ClimateMaster OB Series Installation Instructions Manual

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INSTALLATION INSTRUCTIONS

ENERGY RECOVERY VENTILATOR

SERIES OB, OC, OD, OE, OF & OG

Energy recovery COMPONENT certi

ed to the ARI Air-to-

Air Energy Recovery Ventilation Equipment Certi

cation

Program in accordance with ARI Standard 1060-2000.
Actual performance in packaged equipment may vary.

ETL Certi

ed per UL 1995 and CSA 22.2

97B0042N06

Rev.: 04 April, 2014

Installation Instructions For Energy Recovery Ventilator (Fixed)

For Stand Alone Rooftop Application

Inspection

Upon receipt of shipment at the job site, carefully check the
shipment against the bill of lading. Make sure all units have
been received. Inspect the carton or crating housing of each
Rooftop Unit and inspect each unit for damage. Assure that
the carrier makes proper notation of any shortages or damage
on all copies of the freight bill and that he completes a Carrier
Inspection Report. Concealed damage not discovered during
unloading must be reported to the carrier within 15 days of
receipt of shipment.

NOTE: It is the responsibility of the

purchaser to

le all necessary claims with the carrier.

Storage

Upon the arrival of equipment at the job site, immediately store
units in a clean, dry area. Do not stack units.

Do not remove

equipment from pallets until equipment is required for
installation.

Unit Protection

Cover rooftop units on the job site. Cap the open ends of pipes.
In areas where painting, plastering, roo

ng, or the spraying of

reproof material has not been completed, all due precautions

must be taken to avoid physical damage to the units and
contamination by foreign material.

Physical damage and

contamination may prevent proper start-up and may result
in costly equipment cleanup.

Application

Field supplied balancing dampers in duct are recommended.

Recovery Wheel Mode

The Recovery Wheel mode is accomplished by two blowers
providing continuous exhaust of stale indoor air and
replacement by equal amount of outdoor air. Energy recovery
is achieved by slowly rotating the energy recovery wheel within
the cassette frame work. In winter, the ERV adsorbs heat
and moisture from the exhaust air stream during one half of a
complete rotation and gives them back to the cold, drier intake
air supply during the other half rotation. In summer, the process
is automatically reversed. Heat and moisture are absorbed
from incoming fresh air supply and transferred to the exhaust
air stream. This process allows outdoor air ventilation rates
to be increased by factors of three or more without additional
energy penalty or increase in size of heating or air conditioning
systems.

Rigging Unit For Lifting

1. Maximum weight 300-1200 lbs. See Physical Data Table.
2. Remove crating.
3. All panels must be in place for rigging.
4. Remove barometric exhaust hood from door marked

lter

access. Install barometric exhaust hood over exhaust blower
outlet.

5. Forklift channels must be removed from the base of
ERV.
6. Position unit and provide service access to ERV control

access door and wheel.

7. Duct work should be installed into roof curb before installing

ERV on curb.

8. Roof curb gasket must be applied to all top surfaces of the

curb.

9. Position unit on roof curb and provide service access to ERV

control access door and wheel.

CAUTION!

Danger of sharp metallic edges. Can cause

injury. Take care when servicing unit to avoid accidental

contact with sharp edges.

WARNING!

Electric shock hazard. Can cause injury or death.

Before attempting to perform any service or maintenance,

turn the electrical power to unit OFF at disconnect switch(es).

Unit may have multiple power supplies.

WARNING!

To avoid equipment damage, do not use these

units as a source of heat during the construction process.

The mechanical components and

lters used in these units

will quickly become clogged with construction dirt and debris

which may cause system damage.

WARNING!

The installation of water-source heat pumps and

all associated components, parts, and accessories which

make up the installation shall be in accordance with the

regulations of ALL authorities having jurisdiction and MUST

conform to all applicable codes. It is the responsibility of

the installing contractor to determine and comply with ALL

applicable codes, regulations and ANSI/NFPA No. 70

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Installation
Fresh Air Hood Assembly (See Figure1)

1. Attach duct work to duct

anges on roof curb.

2. Remove forklift channels from base of ERV.

3. Set ERV on curb. Verify ERV is positioned on curb properly.

4. Remove barometric exhaust hood from door marked

lter

access. Install barometric exhaust hood over exhaust
blower outlet.

5. Remove ERV control access panel to connect

eld wiring.

6. Route class II low voltage wire (3 conductor) from

thermostat or energy management through small bushing in
end panel of ERV.

See wiring diagram.

a. Thermostat (dependent) - connect in parallel at rooftop

unit with “G”, “C” and “W”. Then connect matching color
at terminal 1, 2, and 3 respectively on ERV circuit board.

b. Energy Management - provide +24 VAC to “1” and

common, 24 VAC to “2” terminals on ERV circuit board.

c. Thermostat (dedicated) - splice into +24 vac (blue wire)

at (control circuit board) transformer connection run wire
to “R” terminal. Then run another wire from “G” terminal
to ERV (control circuit board) terminal block #1.

7. All electrical connections must conform to any local codes

and current National Electric Codes (NEC) and Canadian
Electric Codes (CEC). Refer closely to unit wiring diagram
in unit and/or in these instructions for proper wiring
connections.

8. Refer to the unit nameplate for minimum circuit ampacity

(MCA) and maximum overcurrent protection size (fuse).

9. Electrical data is listed on unit rating plate and motor name

plates.

10. Connect line voltage power supply to ERV fuse block in

control box of unit from disconnect switch.

See wiring

diagram.

11. Ground unit with a suitable ground connection either

through unit supply wiring or an earth ground.

Note: Unit voltage entries must be sealed weather tight
after wiring is complete.

12. Remove motor access panels. Locate belts fastened to

blower assembly. Install belt onto motor and blower pulley.
Adjust motor sheave to correct blower RPM for CFM and
external static pressure requirements. See charts in this
instruction. Multiple pulley arrangements are available to
meet the entire range.

13. Replace access panel onto the ERV unit and secure.

14. Restore power to unit.

15. Cleanup once unit is operating properly, caulk any open

joints, holes or seams to make the units completely air and
water tight.

16. Leave this instruction manual with owner or in an envelope

to be kept near unit.

Operation
(How It Works)

The unit contains an Energy Recovery Wheel (ERW) that is a
new concept in rotary air-to-air heat exchangers. Designed as a
packaged unit for ease of installation and maintenance, only the
connection of electrical power is required to make the system
operational.

When slowly rotating through counter

owing exhaust and fresh

CAUTION!

Blower speed must be adjusted for the given

external static pressure and air

ow (CFM) requirements. If

blower speed is not adjusted for conditions, possible motor
over loading can occur.

(E)

(B)

(C)

(A)

(F)

(D)

(G)

(H)

ASSEMBLED FRESH

AIR HOOD

Figure 1

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air streams the ERW adsorbs sensible heat and latent heat
from the warmer air stream and transfer this total energy to the
cooler air stream during the second half of its rotating cycle.
Rotating at 50-60 revolutions per minute, the wheel provides
constant

ow of energy from warmer to cooler air stream.

The large energy transfer surface and laminar

ow through

the wheel causes this constant

ow of recovered energy to

represent up to 85% of the difference in total energy contained
within the two air streams.

Sensible and latent heat are the two components of total heat.
Sensible heat is energy contained in dry air and latent heat is
the energy contained within the moisture of the air. The latent
heat load from the outdoor fresh air on an air conditioning
system can often be two to three times that of the sensible heat
load and in the winter it is a signi

cant part of a humidi

cation

heat load.

During both the summer and winter, the ERW transfers mois-
ture entirely in the vapor phase. This eliminates wet surfaces
that retain dust and promote fungal growth as well as the need
for a condensate pan and drain to carry water.

Because it is constantly rotating when in the air stream, the
ERV is always being cleaned by air,

rst in one direction then

the other. Because it is always dry, dust or other particles
impinging on the surface during one half cycle, are readily
removed during the next half cycle.

During the heating season, when outdoor air temperatures
are below 15ºF, it is recommended to use the (optional) low
ambient kit (

eld installed).

Low Ambient Kit is appropriate for climates with limited HVAC
system operation when outdoor temperatures are below 10ºF.

The frost threshold is the outdoor temperature at which frost
will begin to form on the ERV wheel. For Energy Recovery
Ventilators, the frost threshold is typically below 10ºF. Frost
threshold is dependent on indoor temperature and humidify.
The table shows how the frost threshold temperatures vary
depending on indoor conditions.

Because Energy Recovery Ventilators have a low frost
threshold, frost control options are not necessary in many
climates. Where outdoor temperatures may drop below the frost
threshold during the ERV operational hours, exhaust only frost
control option is available.

Low Ambient Kit (Optional)

Low Ambient Kit turns off the supply blower when outdoor
temperatures fall below the frost threshold. The exhaust only
thermostat set points are

eld adjustable. Supply fan operation

is automatically restored when the exhaust air temperature rises
above the thermostat set point. Provisions for introducing make-
up air into the building when the supply blower is off to avoid
depressurization should be considered.

Recovery Wheel Mode

On a thermostat call for blower operation in heating, cooling or
continuous blower, the ERW will rotate between fresh air and
exhaust air streams. Both the fresh air and exhaust air blowers
will also be operating to overcome the air resistance of the ERV.

System Check

1. Disconnect main power.

2. Turn to “Cont” for blower operation on thermostat controlled

models.

3. Restore power to unit. Observe ERV wheel rotation and

both fresh air and exhaust air blowers will operating.

NOTE: If Low ambient kit is used the jumper between
TB37-5 & TB37-6 should be removed. Also if system
check out is being conducted at low ambient
temperatures, technician should be aware that this kit
can cause system not to operate.

4. Verify that the ERV (3) three phase blower motors are

phased sequentially ensuring correct rotation and operation.

a. Disconnect power.

b. Reverse any two

eld power leads to the ERV.

c. Reapply power.

5. Verify that both blower motors are operating under their

full load AMP rating (FLA). The FLA can be found on each
motor and the unit nameplate.

A. Return Damper Settings

Manually adjust position of

eld installed dampers to

balance air

ow.

B. Air Flow / Blower Speed Adjustment

Blower speed selection is accomplished by changing the
sheave setting on both fresh air and exhaust air blowers. To
set ERV for the required air

ow (CFM), the external static

pressure applied to the ERV (duct static) must be known.
See the CFM vs External Static Pressure chart for the
appropriate unit to determine the correct blower RPM for
the speci

ed CFM and External Static Pressure.

After blower speed adjustments have been made. Ensure that
when the belt is replaced it is tensioned correctly. The motor
mounting plate can be adjusted to tension the belt. If using a
belt tension checker, adjust the span to the appropriate setting
and check the belt defection force. The belt de

ection force

should be between 5-8 lbs or the lowest tension at which the

FROST THRESHOLD TEMPERATURE

INDOOR RH AT 70ºF

FROST THRESHOLD

TEMPERATURE

20%

0ºF

30%

5ºF

40%

10ºF

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belt will not slip under peak load conditions.

1. Disconnect main power to unit before making adjustment to

economizer and/or ERV unit.

2. Replace ERV control access cover.

3. Set thermostat to normal operating position.

4. Restore power to unit.

Maintenance

1. All motors use pre-lubricated sealed bearings; no further

lubrication is necessary.

2. Make visual inspection of motors, belts and wheel rotating

bearings during routine maintenance.

3. Eight pie-shaped segments, are seated on stops between

the segment retainer which pivots on the wheel rim and
secured to the hub and rim of wheel. Annual inspection
of the self cleaning wheel is recommended. With power
disconnected, remove ERV access panels (rear) and
unplug [J150 & P150]

(Refer to wiring diagram in this

instruction manual)

. Remove segment and wash with

water and/or mild detergent.

4. To install wheel segments follow steps A through E .

See

Figure 2.

Reverse procedure for segment removal.

A. Unlock two segment retainers (one on each side of the

selected segment opening.

B. With the embedded stiffener facing the motor side, insert

the nose of the segment between the hub plates.

C. Holding segment by the two outer corners, press the

segment towards the center of the wheel and inwards
against the spoke

anges. If hand pressure does not

fully seat the segment, insert the

at tip of a screw driver

between the wheel rim and outer corners of the segment
and apply downward force while guiding the segment
into place.

D. Close and latch each segment retainer under segment

retaining catch.

E. Slowly rotate the wheel 180º. Install the second segment

opposite the

rst for counterbalance. Rotate the two

installed segments 90º to balance the wheel while the
third segment is installed. Rotate the wheel 180º again
to install the fourth segment opposite the third. Repeat
this sequence with the remaining four segments.

Pulley Kit Installation

The units are shipped from the factory at the low static setting.
Pulley kits are available for the medium and high static settings.
To install a pulley kit.

1. Check content of pulley kit, if pulley kit contains:

a. An adjustable sheave and a

xed pitch pulley then

remove belt and both motor and blower pulley

b. An adjustable sheave then remove the motor pulley.
c. A

xed pitch pulley then remove the blower pulley.

2. Replace pulley(s) with the pulley(s) from pulley kit. Make

sure each pulley is installed with a key. Tighten the set

screw on the pulley(s) to 100 in.lb.

3. Install the belt that came with the pulley kit. Tension belt as

explained in the blower speed adjustment section.

4. Check the speed of the blower. Adjust the motor sheave to

increase or decrease the speed of the blower. See blower
adjustment section.

HUB

SEGMENT

SPOKE

SEGMENT RETAINER CATCH

WHEEL RIM

SEGMENT RETAINER

Figure 2

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ERV with Hori zon tal Duct work

(bal anc ing damper(s) field sup plied)

Features and Notes:

1. Stand alone design allows higher levels of outdoor air

to be introduced into the a/c space.

2. Static test ports provided to verify intake and exhaust

CFM.

3. Balancing damper(s) is

eld provided when connected

to ductwork. System will not operate properly without

balancing

damper.

4. Roof curbs are available for the ERV’s.
5. See blower performance charts for air

ow at various

E.S.P.

6. Filter rack with 2" pleated

lters included.

ERV Data

Dimensional Data

ERV

Series

CFM Range

O11-B

300-1100

56.75

32.13

39.50

11.00

27.00

6.50

10.00

2.56

1.00

11.00

55.00

30.25

O20-C

1200-2000

54.38

37.25

37.50

12.00

30.00

8.00

4.00

3.63

1.50

20.32

52.75

35.50

O28-D

1200-2800

60.00

42.63

43.56

14.00

32.00

9.56

4.50

5.31

1.50

18.32

49.50

41.00

O36-E

2000-3600

60.00

46.69

57.37

16.50

39.50

12.13

6.38

3.59

5.88

18.32

55.75

41.81

O46-F

3000-4600

60.00

52.69

57.37

16.50

39.50

12.13

6.38

6.59

5.88

18.32

55.75

47.81

O62-G

4600-6200

72.00

70.88

63.63

19.50

39.50

12.13

6.50

15.69

5.88

18.32

67.75

66.00

O Series Stand Alone ERV’s for Over and Under Duct Arrangements

ERV Roof Curbs

Series

Model Number

ACURBEVFB

ACURBEVFC

ACURBEVFD

ACURBEVFE

ACURBEVFF

ACURBEVFG

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Notes:

Remove jumper to install field optional low ambient switch.

Se lec tive volt age ter mi nals for proper unit volt age.

Optional low ambient switch.

Optional motorized intake damper.

Op tional Stop, Start and Jog Con trol.

For energy man age ment systems connect +24v to “G” and common 24v to “C”.

OB-OC

208/230-1-60

ERV UNIT SCHE MATIC DIAGRAM

COM PO NENT CODE

A131

Fixed Re lay Board

B26

Mo tor, Ex haust Air

B27

Mo tor, Fresh Air

B28

Mo tor, Des ic cant Wheel

B30

Mo tor, Damper (Op tional)

C23

Ca paci tor, Wheel Mo tor

C25

Ca paci tor, Ex haust Air

C26

Ca paci tor, Fresh Air

DL43

De lay, Cy cle Timer (Op tional)

F29

Fuse

J33

Jack, Cy cle Con trol (Op tional)

J34

Jack, Cy cle Con trol Har ness (Op tional)

J40

Jack, Cy cle (Op tional)

J48

Jack, Con trol Box (Fresh Air)

J50

Jack, Con trol Box (Wheel)

J51

Jack, Con trol Box (Ex haust Air)

J56

Jack, Con trol Box (Damper)

J148

Jack, Fresh Air Mo tor Har ness

J150

Jack, Wheel Mo tor Har ness

J151

Jack, Ex haust Air Mo tor Har ness

J160

Jack, Damper Mo tor Har ness

K94

Re lay, On/Off (Op tional)

K163

Con tac tor, Ex haust Air Mo tor

K164

Con tac tor, Fresh Air Mo tor

P33

Plug, Cy cle Con trol (Op tional)

P34

Plug, Cy cle Con trol Har ness (Op tional)

P40

Plug, Wheel Cy cle (Op tional)

P48

Plug, Fresh Air Mo tor Har ness

P50

Plug, Wheel Mo tor Har ness

P51

Plug, Ex haust Air Mo tor Har ness

P56

Plug, Damper Mo tor Har ness

P148

Plug, Fresh Air Mo tor

P150

Plug, Wheel Mo tor

P151

Plug, Ex haust Air Mo tor

P160

Plug, Damper Mo tor

S23

Ther mo stat - Low Am bi ent (Op tional)

S26

Switch, Low Am bi ent (Op tional)

S51

Switch, Door

S125

Switch, Am bi ent Over ride (Op tional)

T27

Trans former, Con trol

T28

Trans former, Step- down (Op tional)

WIRE COLOR

Black

Blue

Green

Gray

Or ange

Pink

Red

White

Yel low

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Notes:

Remove jumper to install field optional low ambient switch.

Step-down transformer assembly for 460/575 volt units.

Se lec tive volt age ter mi nals for proper unit volt age.

Optional low ambient switch.

Optional motorized intake damper.

Op tional Stop, Start and Jog Con trol.

For energy man age ment systems connect +24v to “G” and common 24v to “C”.

OB-G

208/230-3-60

460-3-60

575-3-60

COM PO NENT CODE

A131

Fixed Re lay Board

B26

Mo tor, Ex haust Air

B27

Mo tor, Fresh Air

B28

Mo tor, Des ic cant Wheel

B30

Mo tor, Damper (Op tional)

C23

Ca paci tor, Wheel Mo tor

DL43

De lay, Cy cle Timer (Op tional)

F29

Fuse

J33

Jack, Cy cle Con trol (Op tional)

J34

Jack, Cy cle Con trol Har ness (Op tional)

J40

Jack, Cy cle (Op tional)

J48

Jack, Con trol Box (Fresh Air)

J50

Jack, Con trol Box (Wheel)

J51

Jack, Con trol Box (Ex haust Air)

J56

Jack, Con trol Box (Damper)

J148

Jack, Fresh Air Mo tor Har ness

J150

Jack, Wheel Mo tor Har ness

J151

Jack, Ex haust Air Mo tor Har ness

J152

Jack, Trans former (High Volt age)

J160

Jack, Damper Mo tor Har ness

K94

Re lay, On/Off (Op tional)

K163

Con tac tor, Ex haust Air Mo tor

K164

Con tac tor, Fresh Air Mo tor

P33

Plug, Cy cle Con trol (Op tional)

P34

Plug, Cy cle Con trol Har ness (Op tional)

P40

Plug, Wheel Cy cle (Op tional)

P48

Plug, Fresh Air Mo tor Har ness

P50

Plug, Wheel Mo tor Har ness

P51

Plug, Ex haust Air Mo tor Har ness

P56

Plug, Damper Mo tor Har ness

P148

Plug, Fresh Air Mo tor

P150

Plug, Wheel Mo tor

P151

Plug, Ex haust Air Mo tor

P152

Plug, Trans former (High Volt age)

P160

Plug, Damper Mo tor

S23

Ther mo stat - Low Am bi ent (Op tional)

S26

Switch, Low Am bi ent (Op tional)

S51

Switch, Door

S125

Switch, Am bi ent Over ride (Op tional)

T27

Trans former, Con trol

T28

Trans former, Step- down (Op tional)

WIRE COLOR

Black

Blue

Green

Gray

Or ange

Pink

Red

White

Yel low

ERV UNIT SCHE MATIC DIAGRAM

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Des ic cant Wheel for Roof top Unit

208- 230V (1 PH)

ERV UNIT WIR ING DIAGRAM

Notes:

Remove jumper to install field optional low ambient switch.

Se lec tive volt age ter mi nals for proper unit volt age.

Optional low ambient switch.

Optional motorized intake damper.

Op tional Stop, Start and Jog Con trol.

For energy man age ment systems connect +24v to “G” and common 24v to “C”.

C L I M A T E M A S T E R W A T E R - S O U R C E H E A T P U M P S

O (ERV) Series

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OB-G

Des ic cant Wheel for Roof top Unit

208- 230/460/575V (3 PH)

ERV UNIT WIR ING DIAGRAM

Notes:

Remove jumper to install field optional low ambient switch.

Step-down transformer assembly for 460/575 volt units.

Se lec tive volt age ter mi nals for proper unit volt age.

Optional low ambient switch.

Optional motorized intake damper.

Op tional Stop, Start and Jog Con trol.

For energy man age ment systems connect +24v to “G” and common 24v to “C”.

T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y

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Mist Eliminator Filter in Intake Hood (1.5HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

300

N/A

1175

1350

1450

1605

1730

500

N/A

1170

1340

1540

1655

1725

1840

700

1295

1425

1600

1625

1795

1960

2035

900

1540

1660

1720

1790

2030

2110

2195

1100

1785

1915

2025

2185

N/A

Barometric Hood, 2" Pleated Filters (1.5HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

300

N/A

1030

1225

N/A

500

N/A

1025

1180

1265

1425

1535

N/A

700

1120

1190

1340

1445

1540

1646

1720

900

1285

1525

1500

1575

1670

1785

1865

1100

1570

1665

1670

1775

1860

1920

N/A

SUPPLY

EXHAUST

Low

1000-1300 Standard Unit

Medium 1300-1700 Optional Kit

High

1750-2200 Optional Kit

RPM Range

Mist Eliminator Filter in Intake Hood (2HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

1200

1055

1135

1295

1420

1540

1650

1725

1400

1140

1240

1340

1490

1600

1690

1795

1600

1200

1330

1460

1565

1645

1740

1830

1800

1320

1405

1525

1615

1705

1785

1885

2000

1415

1515

1605

1690

1775

1875

1960

Barometric Hood, 2" Pleated Filters (2HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

1200

1010

1195

1350

1445

1580

1685

1735

1400

1125

1315

1435

1545

1620

1730

1800

1600

1185

1370

1500

1610

1695

1790

1965

1800

1305

1485

1600

1685

1781

1955

2030

2000

1410

1550

1670

1765

1855

N/A

SUPPLY

EXHAUST

RPM Range

Low

1000-1300 Standard Unit

Medium 1300-1700 Optional Kit

High

1700-2080 Optional Kit

Notes:
1. Drive losses included in the above tables.
2. Performance can vary depending on ambient conditions
3. Blower RPMs are for reference only

Blower RPM for OB

Blower RPM for OC

C L I M A T E M A S T E R W A T E R - S O U R C E H E A T P U M P S

O (ERV) Series

R e v. : 0 4 A p r i l , 2 0 1 4

C l i m a t e M a s t e r Wa t e r - S o u r c e H e a t P u m p s

Mist Eliminator Filter in Intake Hood (3HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

1200

N/A

790

960

1110

1210

1315

1380

1600

750

900

1005

1145

1230

1365

1410

2000

900

1005

1105

1210

1275

1400

1450

2400

1005

1125

1210

1275

1365

1450

1500

2800

1125

1230

1315

1380

1450

1535

1600

Barometric Hood, 2" Pleated Filters (3HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

1200

750

885

1015

1145

1260

1350

1485

1600

870

1015

1125

1215

1325

1410

1500

2000

1015

1145

1240

1345

1410

1485

1560

2400

1125

1250

1345

1430

1500

1575

1630

2800

1250

1410

1485

1520

1630

1650

1675

SUPPLY

EXHAUST

RPM Range

Low

750-975 Standard Unit

Medium 1008-1314 Optional Kit

High

1311-1708 Optional Kit

Mist Eliminator Filter in Intake Hood (3HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

2000

725

825

900

1000

1070

1180

1250

2400

800

900

1000

1070

1160

1250

1275

2800

900

1000

1070

1160

1250

1275

1340

3200

1000

1070

1160

1250

1275

1340

1400

3600

1055

1180

1250

1300

1360

N/A

Barometric Hood, 2" Pleated Filters (3HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

2000

750

865

950

1030

1100

1200

1265

2400

820

950

1035

1100

1200

1265

1300

2800

925

1035

1150

1200

1265

1315

1350

3200

1035

1160

1215

1265

1325

1350

1390

3600

1100

1215

1300

1350

1390

N/A

SUPPLY

EXHAUST

RPM Range

Low

725-975 Standard Unit

Medium 1000-1315 Optional Kit

High

1215-1425 Optional Kit

Notes:
1. Drive losses included in the above tables.
2. Performance can vary depending on ambient conditions
3. Blower RPMs are for reference only

Blower RPM for OD

Blower RPM for OE

T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y

O (ERV) Series

R e v. : 0 4 A p r i l , 2 0 1 4

c l i m a t e m a s t e r . c o m

Mist Eliminator Filter in Intake Hood (5HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

3000

965

1085

1150

1230

1295

1345

1420

3400

1035

1145

1250

1290

1335

1415

1475

3800

1120

1245

1285

1315

1440

1470

1535

4200

1215

1305

1355

1430

1465

1530

1595

4600

1300

1375

1450

1460

1540

1590

1650

Barometric Hood, 2" Pleated Filters (5HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

3000

1010

1105

1195

1255

1300

1375

1415

3400

1100

1190

1250

1320

1370

1410

1480

3800

1185

1245

1360

1410

1440

1475

1540

4200

1240

1355

1425

1465

1530

1590

1630

4600

1345

1410

1485

1520

1585

1650

1700

SUPPLY

EXHAUST

RPM Range

Low

780-1020 Standard Unit

Medium 1000-1315 Optional Kit

High

1315-1700 Optional Kit

Mist Eliminator Filter in Intake Hood (5HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

4600

815

900

975

1045

1085

1125

1175

5000

880

940

1015

1060

1135

1175

1215

5400

915

975

1045

1125

1150

1195

1250

5800

975

1045

1085

1175

1250

1260

N/A

6200

1000

1075

1165

1200

N/A

Barometric Hood, 2" Pleated Filters (5HP)

External Static Pressure (in water)

0.25

0.5

0.75

1.25

1.5

CFM

4600

825

915

1000

1025

1100

1140

1170

5000

890

975

1025

1100

1140

1170

1240

5400

925

1000

1085

1140

1170

1240

1280

5800

975

1025

1140

1170

1240

N/A

6200

1025

1120

1170

N/A

SUPPLY

EXHAUST

RPM Range

Low

820-1000 Standard Unit

Medium 1000-1200 Optional Kit

High

1175-1375 Optional Kit

Notes:
1. Drive losses included in the above tables.
2. Performance can vary depending on ambient conditions
3. Blower RPMs are for reference only

Blower RPM for OF

Blower RPM for OG

C L I M A T E M A S T E R W A T E R - S O U R C E H E A T P U M P S

O (ERV) Series

R e v. : 0 4 A p r i l , 2 0 1 4

C l i m a t e M a s t e r Wa t e r - S o u r c e H e a t P u m p s

CLIMA

TE MASTER, INC.

LIMITED EXPRESS

ARRANTY/ LIMIT

TION OF

REMEDIES

AND LIABILITY

It is expressly understood that unless a statement is speci

cally

identi

ed as a warranty

, statements made by Climate Master

, Inc., a Delaware corporation, (“CM”) or its representatives, relating to

CM’

s products, whether oral,

written or contained in any sales literature, catalog or any other agreement, are not express warranties and do not form a part

of the basis of the bar

gain, but are merely CM’

s opinion or commendation of CM’

s products.

EXCEPT

AS SPECIFICALL

SET

FOR

TH HEREIN,

THERE IS NO EXPRESS

ARRANTY

ANY

CM’S PRODUCTS. CM MAKES NO

ARRANTY

AGAINST

TENT

DEFECTS. CM MAKES

ARRANTY

MERCHANT

ABILITY

THE GOODS OR OF

THE FITNESS OF

THE GOODS FOR

ANY

TICULAR PURPOSE.

GRANT

LIMITED EXPRESS

ARRANTY

CM warrants CM products purchased and retained in the United States of

America and Canada to be free from defects in material a

nd workmanship under normal use and maintenance as follows: (1)

All complete air condition-

ing, heating and/or heat pump units built or sold by CM for twelve (12) months from date of unit start up or eighteen (18) mont

hs from date of shipment (from factory), whichever comes

rst; (2) Repair and replacement parts,

which are not supplied under warranty

, for nintey (90) days from date of shipment (from factory).

All parts must be returned t

o CM’

s factory in Oklahoma City

, Oklahoma, freight prepaid, no later than sixty (60) days after

the date of the failure of the part; if CM determines the part to be defective and within CM’

s Limited Express

arranty

, CM sha

ll, when such part has been either replaced or repaired, return such to a factory recognized dealer

contractor or service or

ganization, F

.O.B. CM’

s factory

, Oklahoma City

, Oklahoma, freight prepaid.

The warranty on any parts re

paired or replaced under warranty expires at the end of the original warranty period.

This warranty does not cover and does not apply to: (1)

Air

lters, fuses, refrigerant,

uids, oil; (2) Products relocated after initial installation; (3)

Any portion or component of any system that is not supplied

by CM, regardless

of the cause of the failure of such portion or component; (4) Products on which the unit identi

cation tags or labels have been removed or defaced; (5) Products on which payment to CM is or has been in default; (6) Product

which have defects or damage which result from improper installation, wiring, electrical imbalance characteristics or maintenan

ce; or are caused by accident, misuse or abuse,

re,

ood, alteration or misapplication of the prod-

uct; (7) Products which have defects or damage which result from a contaminated or corrosive air or liquid supply

, operation at

abnormal temperatures, or unauthorized opening of refrigerant circuit; (8) Mold, fungus or bacteria

damages; (9) Products subjected to corrosion or abrasion; (10) Products manufactured or supplied by others; (1

1) Products which

have been subjected to misuse, negligence or accidents; (12) Products which have been operated

in a manner contrary to CM’

s printed instructions; or (13) Products which have defects, damage or insuf

cient performance as a result of insuf

cient or incorrect system design or the improper application of CM’

s products.

CM is not responsible for: (1)

The costs of any

uids, refrigerant or other system components, or associated labor to repair or replace the same, which is incurred as a result

of a defective part covered by CM’

s Limited Express

arranty; (2)

The costs of labor

, refrigerant, materials or service incurred in removal of the defective part, or in obtaining

and replacing the new or repaired part; or

, (3)

ransportation costs of the defective part from the installa-

tion site to CM or of the return of any part not covered by CM’

s Limited Express

arranty

Limitation:

This Limited Express

arranty is given in lieu of all other warranties. If, notwithstanding the disclaimers contained herein,

it is determined that other warranties exist, any such warranties, including without limita-

tion any express warranties or any implied warranties of

tness for particular purpose and merchantability

, shall be limited to the duration of the Limited Express

arranty

LIMIT

TION OF

REMEDIES

In the event of a breach of the Limited Express

arranty

, CM will only be obligated at CM’

s option to repair the failed part or

unit or to furnish a new or rebuilt part or unit in exchange for the part or unit which has failed. If

after written notice to CM’

s factory in Oklahoma City

, Oklahoma of each defect, malfunction or other failure and a reasonable n

umber of attempts by CM to correct the defect, malfunction or other failure and the remedy fails

of its essential purpose, CM shall refund the purchase price paid to CM in exchange for the return of the sold good(s). Said re

fund shall be the maximum liability of CM.

THIS REMEDY

THE SOLE

AND EXCLUSIVE

REMEDY

THE BUYER OR

THEIR PURCHASER

AGAINST

CM FOR BREACH OF

CONTRACT

, FOR

THE BREACH OF

ANY

ARRANTY

OR FOR CM’S NEGLIGENCE

OR IN STRICT

LIABILITY

LIMIT

TION OF

LIABILITY

CM shall have no liability for any damages if CM’

s performance is delayed for any reason or is prevented to any extent by any e

vent such as, but not limited to: any war

, civil unrest, government restrictions or restraints, strikes

or work stoppages,

re,

ood, accident, shortages of transportation, fuel, material, or labor

, acts of God or any other reason beyond the sole control

of CM.

CM EXPRESSL

DISCLAIMS

AND EXCLUDES

ANY

LIABIL-

ITY

FOR CONSEQUENTIAL

OR INCIDENT

DAMAGE IN CONTRACT

, FOR BREACH OF

ANY

EXPRESS OR IMPLIED

ARRANTY

, OR IN

, WHETHER FOR

CM’

s NEGLIGENCE OR

STRICT

LIABILITY

OBT

AINING W

ARRANTY

PERFORMANCE

Normally

, the contractor or service or

ganization who installed the products will provide warranty performance for the owner

. Sh

ould the installer be unavailable, contact any CM recognized dealer

, contractor or service or

ganiza-

tion. If assistance is required in obtaining warranty performance, write or call:

Climate Master

, Inc. • Customer Service • 7300 S.W

. 44th Street • Oklahoma City

, Oklahoma 73179 (405) 745-6000

NOTE: Some states or Canadian provinces do not allow limitations on how long an implied warranty lasts, or the limitation or ex

clusions of consequential or incidental damages, so the foregoing exclusions and limitations may

not apply to you.

This warranty gives you speci

c legal rights, and you may also have other rights which vary from state to state and from Canadian province to Canadian provi

nce.

Please refer to the CM Installation, Operation and Maintenance Manual for operating and maintenance instructions.

*LC083*

Rev

.: 1

1/09

LC083

T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y

O (ERV) Series

R e v. : 0 4 A p r i l , 2 0 1 4

c l i m a t e m a s t e r . c o m

Notes

C L I M A T E M A S T E R W A T E R - S O U R C E H E A T P U M P S

O (ERV) Series

R e v. : 0 4 A p r i l , 2 0 1 4

C l i m a t e M a s t e r Wa t e r - S o u r c e H e a t P u m p s

Revision History

*97B0042N06*

97B0042N06

ClimateMaster works continually to improve its products. As a result, the design and speci

cations of each product at the time of order may be

changed without notice and may not be as described herein. Please contact ClimateMaster’s Customer Service Department at 1-405-745-6000 for
speci

c information on the current design and speci

cations. Statements and other information contained herein are not express warranties and

do not form the basis of any bargain between the parties, but are merely ClimateMaster’s opinion or commendation of its products. For the latest
version of this document go to climatemaster.com.
ClimateMaster is a proud supporter of the Geothermal Exchange Organization - GEO. For more information visit geoexchange.org.

7300 S.W. 44th Street

Oklahoma City, OK 73179

Phone: 405-745-6000

Fax: 405-745-6058

climatemaster.com

Date:

Item:

Action:

04/04/14

Logos - page 1 & 16

Updated

11/21/13

Created

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