84
3.6.2 - VOLT-FREE CONTACT ON/OFF/COOLING/
HEATING WITHOUT MULTIPLEXING
If the automatic heating/cooling changeover function is
not selected (see section 5.2) and if the user configuration
allows this (heat pump and Pro-Dialog interface selection)
the operation of contacts 1 and 4 is as follows:
3.6.3 - VOLT-FREE CONTACT ON/OFF/COOLING/
HEATING WITH MULTIPLEXING
If the automatic heating/cooling changeover function is
selected (see section 5.2) and if the user configuration
allows this (heat pump and Pro-Dialog interface selection)
the operation of contacts 1 and 4 is multiplexed:
NOTE:
The automatic changeover function (ON auto)
selects the cooling or heating mode based on the outdoor
temperature (see section 5.2).
3.6.4 - VOLT-FREE SETPOINT SELECTION
This volt-free contact permits changing the setpoint. The
setpoints can be modified in the setpoint menu.
3.6.5 - VOLT-FREE DEMAND LIMIT CONTACT WITH
ENERGY MANAGEMENT OPTION
For units with the energy management option the demand
limit contact 3 is located on the PD5-BASE board and
contact 3 bis is on the NRP2-BASE board. Demand limit
is now multiplexed.
3.6.6 - VOLT-FREE DEMAND LIMIT CONTACT WITHOUT
ENERGY MANAGEMENT OPTION
For units without energy management option, contact 3
is located on the PD5-BASE board.
Contact 3 bis
Closed
100%
Closed
Closed
Contact 3
Capacity
limit 1
limit 2
limit 3
Open
Open
Closed
Open
Open
100%
Contact 3
Capacity
limit 1
Open
Closed
Contact status not significant
O F F
Contact 1
Contact 4
Open
-
Closed
Open
Closed
Closed
ON cooling
ON heating
O F F
Contact 1
Contact 4
Open
Closed
Open
Closed
Closed
ON cooling
ON heating
ON auto
Open
Closed
Open
Contact 2
CSP 1
Open
HSP1
Open
Cooling
Heating
CSP2
Closed
HSP2
Closed
Auto
-
Auto
-
