CTC Union EcoZenith i550 Pro, Installation And Maintenance Manual

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116 CTC EcoZenith i550 Pro
For the installer
(B30) Sensor in to solar panels
Position: on the return pipe into the solar panels.
The sensor is connected to expansion card X1 in positions 3 and 4.
Sensor type: PT1000
(B31) Sensor, primary flow solar collector
Position: on the pipe out from the solar collectors.
The sensor is connected to expansion card X1 in positions 1 and 2.
Sensor type: PT1000, red cable
(B32) Sensor, solar energy charging
Position: on the pipe exiting the solar heat exchanger.
The sensor is connected to the circuit card in positions X1 5 and X1 6
Sensor type: PT1000, grey cable
(B33) Sensor, solar coil (factory fitted)
Placement: in the tank’s lowest sensor pipe.
The sensor is connected to the circuit card in positions G67 and G68
Sensor type: NTC 22k
(B41) Sensor, external storage tank upper
Position: in the sensor pipe or jacket surface on the upper part of the tank
The sensor is connected to the circuit card in positions X3 9 and X3 10
Sensor type: NTC 22k
(B42) Sensor, external storage tank lower
Position: in the sensor pipe or jacket surface on the lower part of the tank
The sensor is connected to the circuit card in positions X3 11 and X3 12
Sensor type: NTC 22k
(B43) Sensor, external DHW tank
Position: in the sensor pipe or jacket surface on the external DHW tank.
The sensor is connected to the circuit card in positions X3 7 and X3 8
Sensor type: NTC 22k
(B50) Sensor, pool
Position: on the return pipe between the pool pump and pool.
The sensor is connected to expansion card X3 in positions 15 and 16.
Sensor type: NTC 22k
Sensor NTC 22k, white cable
Solar sensor PT1000, grey or red cable