83
Description
Evaporator pump 1 control
Evaporator pump 2 control
Evaporator heater control
Alarm relay output
Alert relay output
Operation or ready-to-start
relay output
Contact 1:
Start/stop
Contact 2:
Setpoint selection
Contact 3:
Demand limit selection 1
Contact 3 bis:
Demand limit selection 2
User safety loop input
Contact 4:
Heat reclaim selection
Contact 5:
Pump operation status
Connection to CCN
Connector/channel
J2A / CH19
J2A / CH20
J2B / CH21
J3 / CH24
J3 / CH25
J3 / CH26
J4 / CH11
J4 / CH12
J4 / CH13
CH9
J4 / CH15a
J4 / CH14
J12
Terminal
32-33
65-66
63-64
34 - 35
Board
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
NRCP2-BASE
PD5-BASE
PD5-BASE
PD5-BASE
Remarks
The control can regulate one or two evaporator pumps, and automatically
change over between the two pumps.
The control can regulate one or two evaporator pumps, and automatically
change over between the two pumps.
This (and the pipe heater for units without pumps) protects the evaporator
against frost.
Indicates alarms
Indicates alerts
Indicates if the unit is ready to start or operates.
This contact is used for unit start/stop. It is only taken into account if the
unit is under remote operation control (rEM).
This contact is only taken into account if the unit is under remote operation
control (rEM).
See the description of these contacts in sections 3.6.5 and 3.6.6.
This contact is only present if the energy management option is used.
This contact is mounted in series with the water flow control contact. It can
be used for any customer safety loop that requires that the unit is stopped,
if it is open. If it is unused this contact must be bridged.
This contact is used to select the heat reclaim mode.
If this contact is open, the pump is controlled and an alarm has tripped.
An RS-485 bus is used for connection to the CCN.
- Pin 1:
- Pin 2: ground
- Pin 3: signal -
COOLING UNITS
Description
Evaporator pump 1 control
Evaporator pump 2 control
Evaporator heater control
4-way valve A control
4-way valve B control
Alarm relay output
Alert relay output
Operation or ready-to-start
relay output
Contact 1:
Start/stop
Contact 2:
Setpoint selection
Contact 3:
Demand limit selection 1
Contact 3 bis:
Demand limit selection 2
User safety loop input
Contact 4:
Heating/cooling selection
Contact 5:
Pump operation status
Connection to CCN
Connector/channel
J2A / CH19
J2A / CH20
J2B / CH21
J2C/ CH22
J2C/ CH23
J3 / CH24
J3 / CH25
J3 / CH26
J4 / CH11
J4 / CH12
J4 / CH13
CH9
J4 / CH15a
J4 / CH14
J5C / CH18
J12
Terminal
32-33
65-66
63-64
34 - 35
Board
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
NRCP2-BASE
PD5-BASE
PD5-BASE
PD5-BASE
PD5-BASE
Remarks
The control can regulate one or two evaporator pumps, and automatically
change over between the two pumps.
The control can regulate one or two evaporator pumps, and automatically
change over between the two pumps.
This (and the pipe heater for units without pumps) protects the evaporator
against frost.
The control regulates the 4-way valve during heat/cool changeover or
during defrost cycles.
The control regulates the 4-way valve during heat/cool changeover or
during defrost cycles.
Indicates alarms
Indicates alerts
Indicates if the unit is ready to start or operates.
This contact is used for unit start/stop. It is only taken into account if the
unit is under remote operation control (rEM).
This contact is only taken into account if the unit is under remote operation
control (rEM).
See the description of these contacts in sections 3.6.5 and 3.6.6.
This contact is only present if the energy management option is used.
This contact is mounted in series with the water flow control contact. It can
be used for any customer safety loop that requires that the unit is stopped,
if it is open. If it is unused this contact must be bridged.
This contact is used for heating/cooling mode selection. It is only taken into
account if the unit is under remote operation control (rEM).
If this contact is open, the pump is controlled and an alarm has tripped.
An RS-485 bus is used for connection to the CCN.
- Pin 1:
- Pin 2: ground
- Pin 3: signal -
HEAT PUMP UNITS