5
Reglermanual - VMGFF102
Description
Connector/
channel
Terminal
Board
Remarks
Contact 1: Start/stop
J4/CH 8
32-33
NRCP2-BASE
Used with the remote operating mode (Remote).
Contact 2: Heating/cooling selection
J4/CH 9
63-64
NRCP2-BASE
Used with the remote operating mode (Remote) in accordance with the boiler or heat
pump confi guration
Contact 3: Demand limit selection 1
J4/CH 10
73-74
NRCP2-BASE
Customer safety loop input
J4/CH 11A
34-35
NRCP2-BASE
Contact 3 bis: Demand limit selection
2
J5/CH 12
NRCP2-BASE
Unit without NRCP2-SLAVE board.
Setpoint selection
J5/CH 13
NRCP2-BASE
Used with the remote operating mode (Remote), unit without NRCP2-SLAVE board.
Desuperheater contact
J5/CH14
NRCP2-BASE
Used on units with desuperheater
Heat exchanger heater command
J2B/CH 21
NRCP2-BASE
Frost protection, when the unit is stopped.
Command, water pump 1
J2B/CH 22
NRCP2-BASE
Command, water pump 2
J2B/CH 23
NRCP2-BASE
The change-over between the two pumps is confi gurable
Alarm relay output
J3/CH 24
30A-31A
NRCP2-BASE
Unit operation relay output
J3/CH 25
37-38
NRCP2-BASE
CCN network connection
J12
NRCP2-BASE
RS-485 series connection
- Pin 1:
- Pin 2: ground
- Pin 3: signal -
Setpoint selection
J4/CH 8
65-66
NRCP2-SLAVE
Used with the remote operating mode (Remote), unit with NRCP2-SLAVE board.
Contact 3 bis: Demand limit selection
2
J4/CH 10
75-76
NRCP2-SLAVE
Used with the remote operating mode (Remote), use of NRCP2-SLAVE board, depending
on the size
Relay output for boiler command
J3/CH 25
NRCP2-SLAVE
Use of NRCP2-SLAVE board, depending on the size
Triac output for boiler command
J2B/CH 20
NRCP2-BASE
Cooling only unit without NRCP2-SLAVE board
Triac output for boiler command
J3/CH 5
PD-AUX
Heat pump unit without NRCP2-SLAVE board
The following table summarises the connections at the user terminal block.
NRCP2-BASE control board
Optional PD-AUX board
J2A
J2B
J3
J4
J12
J3
Summary of Contents for AR05
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