Danfoss Infocal 9 Operation manual

www.danfoss.com

Installation & User Guide

Infocal 9

Energy calculator

for heating and cooling applications

2 | © Danfoss | Energy Meters | 2017.03 VUIGN102

Installation & User Guide Infocal 9

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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 10m. 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

ocket

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 THot (5-6) THot (1/5-6/2) Supply pipe

Blue TCold (7-8) TCold (3/7-8/4) Return pipe

1.4. Mounting and sealing of calculator

On the wall: On standard DIN-rail:

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Installation & User Guide 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

yello

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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Installation & User Guide 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 (+)

5T1 Current terminal for 1-st temperature sensor“+I”

1T1 Voltage terminal for 1-st temperature sensor “+U”

2T1 Voltage terminal for 1-st temperature sensor “-U”

6T1 Current terminal for 1-st temperature sensor“-I”

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

7T2 Current terminal for 2-nd temperature sensor“+I”

3T2 Voltage terminal for 2-nd temperature sensor “+U”

4T2 Voltage terminal for 2-nd temperature sensor “-U”

8T2 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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Installation & User Guide 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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Installation & User Guide Infocal 9

4. Display function overview

4.1. Display symbols description

Parameter and group numbers Operation mode

Measurement units

Group of parameters

alues

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 

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 heang system operaon error

2-nd heang system operaon error

Calculator error

Error display Error description

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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 Θ1

Status of sensor Θ2

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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