Input Values - Carrier 80HMA Mode D'emploi

Variable table

Input values

NOTE: if the input has positive configuration, input
CLOSE is read as a request. If the input has negative
configuration, input OPEN is read as a request.
All the descriptions are referred to positive configurations.
Nr.
0
1
2
3
4
5
6
7
8
9
10
11
12
*NOTE:
Thermostat A: It's a normal thermostat. Contact is open/
close depending on temperature. The behaviour of
contact not depends on the Heating/Cooling working
mode.
Thermostat B: It's a 'smart' thermostat. Contact is open/
close depending on the demand. The behaviour of
contact depends on the Heating/Cooling working mode.
26 80HMA
Name
Not Used
Sanitary input
On/Off Command
Thermostat A*
On/Off Command
Thermostat B*
Off peak
Heating/Cooling command
Eco input
System ON/OFF
Defrost signal
Alarm severity 1
Alarm severity 2
Flow switch
Control input
Example:
1 if contact is close, there is sanitary hot water
production request
-1 if contact is open, there is sanitary hot water
production request
Description
Input not used
Demand from sanitary thermal switch (close = demand)
Input from thermostat type A. Not depending on mode.
(Close = room temperature < room setpoint temperature)
Input from thermostat type B. depending on mode.
(Close = demand)
Off Peak request.
(Close = Off Peak active)
When active, it uses the gas boiler in heating, if available, or
operates with Eco setpoints
Heating /Cooling mode command
(Close = Heating mode)
ECO request.
(Close = ECO active)
ON/OFF input
(Close = System OFF)
Defrost signal from heat pump
(Close = Defrost active)
Input for Alarm Severity 1, generate fail 32
(Close = Alarm present)
Input for Alarm Severity 2, generate fail 33
(Close = Alarm present)
Flow switch input
(Close = Flow)
For internal use only