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Danfoss Infocal 9 Installation & User Manual

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Type: Installation & User Guide
Category: Measuring Instruments
Pages: 12
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www.danfoss.com

Installation & User Guide

Infocal 9
Energy calculator 

for heating and cooling applications

 


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2 | © Danfoss | Energy Meters | 2017.03 

VUIGN102

Installation & User Guide 

 

Infocal 9

 


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© Danfoss | Energy Meters | 2017.03 | 3

Installation & User Guide 

 

Infocal 9

1.  

Installation

1.1.  

Preparation

Only qualified personnel may install the equipment, following the requirements listed in this document. 
More detailed instructions can be found on www.heating.danfoss.com.

1.2.  

Identification of installation: Return or Supply pipe flow meter/sensor installation 

Flow direction

Flow meter/sensor installed in return pipe

Flow direction

Flow meter/sensor installed in supply pipe

 


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Installation & User Guide 

 

Infocal 9

1.3.  

Installation of temperature sensors

Handle the temperature sensors carefully! The sensor cables are fitted with coloured type labels:

•  Red (TH): sensor in supply pipe
•  Blue (TC): sensor in return pipe

Make sure the sensors are mounted symmetrically (both directly immersed, or both installed in a pocket). 
The maximum cable length is 10 m. The connecting cables must not be shortened or extended. The free 
temperature sensors can be installed in a ball valve or adapter or in a conformity tested pocket for this type 
of sensor. Ensure that the temperature sensors are permanently connected during operation.

For installation in a ball valve or adapter, a 4-piece coupling set is enclosed in a separate bag. See procedure 
under item 1…5 on the right. Insert an O-ring in the sensor hole using the mounting pin supplied.
If the sensor is installed in a pocket, it must be inserted as far as the bottom of the pocket and then secured. 
The pockets are best installed in T-pieces with a 45° or 90° angle. The tip of the pocket must point in the op-
posite direction to the direction of flow and must be located in the middle of the pipe. Temperature sensors 
must be sealed after installation in the pockets.

The operation of any violation of this guidance will result in immediate invalidation of the factory 
warranty and verification.

Seal

Pocket

a) angled 45°

Seal

Pocket

b) perpendicular

Installation recommendations for pocket temperature sensors with permanently connected signal leads.

Temperature sensor cables should be connected to terminals as shown in below table: 

Calculator type

Sensor marking

Wiring 2-wire 

sensor

Wiring 4-wire 

sensor

Installation

position

Heating or 

Heating/cooling

Red

T

Hot

 (5-6)

T

Hot

 (1/5-6/2)

Supply pipe

Blue

T

Cold

 (7-8)

T

Cold

 (3/7-8/4)

Return pipe

1.4.  

Mounting and sealing of calculator

On the wall:

On standard DIN-rail:

 


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Infocal 9

1.5.  

Flow meter or flow sensor connection

For connection of flow meter/sensor  to energy calculator Infocal 9  it is important to know in which pipe 
(supply –q1 or return – q2) this flow meter/sensor  will be installed:

Flow sensor in return pipe

Infocal 9 terminal

External 3.6 V*

9(+U)

Flow pulse

52 (q2+)

Ground

11 (q2-)

 

Wiring to flow meter SONO 3500 CT: 

SONO 3500 CT in 

supply pipe

Infocal 9 terminal 

56 (flow pulse)

10 (q1+)

57 (ground)

11 (q1-)

SONO 3500 CT in 

return pipe

Infocal 9 terminal 

56 (flow pulse)

52 (q2+)

57 (ground)

11 (q2-)

Wiring to flow sensor SonoSensor 30:

SonoSensor 30 in 

supply pipe

Infocal 9 terminal 

18 (flow pulse)

10 (q1+)

19 (ground)

11 (q1-)

SonoSensor 30 in 

return pipe

Infocal 9 terminal 

18 (flow pulse)

52 (q2+)

19 (ground)

11 (q2-)

Wiring to flow sensor SONO 1500 CT:

SONO 1500 CT in 

return pipe

Infocal 9 terminal 

Vcc (brown)*

9 (+U)

Pulse (white)

52 (q2+)

GND (blue)

11 (q1-)

Flow sensor in supply  pipe

Infocal 9 terminal

External 3.6 V*

9(+U)

Flow pulse

10 (q1+)

Ground

11 (q1-)

*only if external supply for flow meter/sensor is needed.

white

blue

yellow

brown

 


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Installation & User Guide 

 

Infocal 9

SONO 1500 CT in

supply pipe

Infocal 9 terminal 

Vcc (brown)*

9 (+U)

Pulse (white)

10 (q1+)

GND (blue)

11 (q1-)

*connect only if SONO 1500 CT with external supply.

Maximum permissible pulse input frequency and minimal permissible pulse and pause duration, depending 
on pulse type and cable length:

Power supply type for calculator, 

flow pulse input type

Sensor cable 

length [m]

Maximum per-

missible pulse 

frequency [Hz]

Minimal permissible 

pulse and pause 

duration [ms]

Mains supply or active pulses

≤ 100

200

2.5

Battery supply and passive pulses

≤ 10

200

2.5

≤ 50

10

50

2.   

Electrical wiring

Electrical wiring diagram with 2-wire temperature sensors

q1 - pulse input signal from flow meter in supply pipe

q2 - pulse input signal from flow meter in return pipe

q3, q4 - pulse inputs from water meters

T1 - temperature sensor in supply pipe

T2 - temperature sensor in return pipe

Note: Only required for selected calculator type should be connected

 


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Infocal 9

Electrical wiring diagram with 4-wire temperature sensors

    
Calculator

Terminal

Marking

Description

9

+U

+3,6V power supply (only if mains supply)

11

-q1

Ground for 1-st flow sensor (-)

10

+q1

Pulse input signal from flow meter in supply pipe

11

-q2

Ground for flow  sensor

52

+q2

Pulse input signal from flow meter in return pipe

11

-q3

Ground for 3-rd flow sensor (-)

53

+q3

Pulse input signal from 3-rd  flow sensor (+)

11

-q4

Ground for 4-th flow sensor (-)

54

+q4

Pulse input signal from 4-th flow sensor (+)

5

T1

Current terminal for 1-st temperature sensor “+I”

1

T1

Voltage terminal for 1-st temperature sensor “+U”

2

T1

Voltage terminal for 1-st temperature sensor “-U”

6

T1

Current terminal for 1-st temperature sensor “-I”

50

Shield terminal (for 1-st temperature sensor etc.)

7

T2

Current terminal for 2-nd temperature sensor “+I”

3

T2

Voltage terminal for 2-nd temperature sensor “+U”

4

T2

Voltage terminal for 2-nd temperature sensor “-U”

8

T2

Current terminal for 2-nd temperature sensor “-I”

50

Shield terminal (for 2-nd temperature sensor etc. )

q1 - pulse input signal from flow meter in supply pipe

q2 - pulse input signal from flow meter in return pipe

q3, q4 - pulse inputs from water meters

T1 - temperature sensor in supply pipe

T2 - temperature sensor in return pipe

Note: Only required for selected calculator type should be connected

 


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Infocal 9

Communication modules

Terminal

Marking

Description

76

Current output ground (-)

77

Iout1

1-st current output (+)

78

Iout2

2-st current output (+)

79

Pulse output ground (-)

80

Puls1

1-st pulse output (+)

81

Puls2

2-st pulse output (+)

24, (73)

BUS

M-Bus interface L1 signal (M-Bus , CL – -CL or RS232 – Rx (input))

25, (74)

BUS

M-Bus interface L2 signal (M-Bus , CL – +CL or RS232 – Tx (output))

75

BUS

Ground for RS-232 interface “GND”

Power supply

Terminal

Marking

Description 

26

Main ground

27

0

Neutral

28

L

Mains power supply (230V AC)

3.  

Commissioning

3.1.  

Bleeding 

1.  Bleed the system until the flow rate display is steady. 
2.  Make sure no error codes are displayed. 
3.  Check the display for a plausible indication of flow rate and temperatures. 

 


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Infocal 9

4.   

Display function overview

4.1.  

Display symbols description 

Parameter and group numbers

Operation mode

Measurement units

Group of parameters

Values

   L1                L2               L3                L4                L5

4.2.  

Menu structure

Parameters shown

Identification symbols

Integral values

L1

L2

L3

L4

L5

Instantaneous parameters values (L2)

L1

L2

L3

L4

L5

Set day parameters and archive data values (L3)

L1

L2

L3

L4

L5

Printing reports by standard printer (L4)

L1

L2

L3

L4

L5

Configuration settings parameters (L5)

L1

L2

L3

L4

L5

Parametrization (configuration) mode (SET)

L1

L2

TEST 

L3

L4

L5

Test mode (TEST)

L1

L2

TEST

L3

L4

L5

Note: More detailed display description is available for download from www.danfoss.com.

4.3.  

Error codes check

The calculator continuously analyzes operational modes, diagnoses and informs of errors in system.

General errors:

1-st heang system operaon error 

2-nd heang system operaon error 

Calculator error 

Error display Error description

 


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10 | © Danfoss | Energy Meters | 2017.03 VUIGN102

Installation & User Guide 

 

Infocal 9

ErΣ: 0

No error. Normal mode.

ErΣ: 1

Warning! Estimated battery lifetime less than 6 months.

ErΣ: 5

Flow rate outside designated limits or temperature difference is under programmed 
minimum allowed value (only when energy calculation algorithm “2 – special” is applied).

ErΣ: 8

Flow or temperature sensor error.

Status of flow sensors:

 Status of flow sensor q1 

Status of flow sensor q2 

Display

Description

Er2: 0

No error. Normal mode.

Er2: 4

Flow rate exceeds programmed maximum allowed value.

Er2: 8

Sensor failure (broken connection or disconnected power supply.

Status of flow 
temperature sensors:

Status of sensor 

Θ

1   

Status of sensor 

Θ

2  

Display

Description

Er2: 0

No error. Normal mode.

Er2: 1

Temperature difference is under programmed minimum allowed value.

Er2: 8

Sensor failure (open circuit or short circuit).

 


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Infocal 9

5. Disposal

This symbol on the product indicates that it will not be treated as household waste. 
It must be handed over to the applicable take-back scheme for the recycling of elec-
trical and electronic equipment. For more detailed information about the recycling 
of this product, please contact your local municipal office.

Item

Material

Disposal

Battery

D-cell lithium/thionyl chloride
3.5 g lithium

Approved deposit for lithium 
batteries

PCBA with display

Coppered epoxy laminate components 
soldered on, PC, TPE

Electronic waste

Other plastic parts

PC, PPS, PEI, TPE

Plastic recovery

 


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12 | © Danfoss | Energy Meters | 2017.03 VUIGN102

Danfoss A/S
Energy Meters   •   Ulvehavevej 61   •   DK-7100 Vejle   •   Denmark
Phone: +45 7488 8500   •   Fax: +45 7488 8501
heating@danfoss.com   •   www.heating.danfoss.com

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter 

its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential 

changes being necessary in specifications already agreed.

All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S.

All rights reserved.