© 2011
D 406 - 12/11
28 of 48
Item Field
Range
Description
30 to 70°F
(1 to 21°C)
Default = 40°F
(4.5°C)
Access:
Installer
Set to:
HP RETURN MIN
SECTION E
Prevents the heat pump from operating in cooling mode if the heat pump return
temperature falls below this setting.
OFF, -10 to 60°F
(-23.5 to 15.5°C)
Default = OFF
Access:
Installer
Set to:
BALANCE POINT
SECTION E
Prevents the heat pump from operating in heating mode if the outdoor air
temperature falls below this setting.
Note:
This item is only available when HP SOURCE = AIR.
OFF, 35 to 100°F
(-12 to 15.5°C)
Default = OFF
Access:
Installer
Set to:
Y COOLING CWSD
SECTION E
Prevents the heat pump from operating in cooling mode if the outdoor air
temperature falls below this setting (Cold Weather Shut Down).
0:30 to 10:00
minutes
Default = 5:00
minutes
Access:
Installer
Set to:
Y MINIMUM RUN-TIME
SECTION E
Minimum compressor run-time for the heat pump.
0:30 to 10:00
minutes
Default = 5:00
minutes
Access:
Installer
Set to:
Y MINIMUM OFF-TIME
SECTION E
Minimum compressor off-time for the heat pump.
10 to 180 minutes,
OVR
Default = 60 minutes
Access:
Installer
Set to:
BACKUP DELAY
SECTION E
The time that heat pump(s) have to run at full output before the backup heat
source is called upon.
OVR (override) - When selected, the backup source will not be called upon for
heat unless the MODE is set to BKUP or the heat pump is locked out on high
return temperature or outdoor temperature.
Note:
This item is only available when BACKUP is set to other than NONE.
OFF, 1, 2, 3, 4, 5
Default = OFF
Access:
Installer
Set to:
DHW MODE
SECTION F
Sets the mode of DHW operation:
OFF - No DHW generation.
1 - Parallel piping with no priority
2 - Parallel piping with priority.
3 - Primary/secondary piping with no priority
4 - Primary/secondary piping with priority
5 - DHW pre-heat
Note:
Modes 1-4 are only available when the WATERTEMP item has been set to T+B
or T+MB. Mode 5 is only available when the WATERTEMP item has been set to T.
100 to 200°F
(38 to 93.5°C)
Default = 180°F
(82°C)
Access:
Installer
Set to:
DHW EXCHANGE
SECTION F
Boiler target required to satisfy a DHW demand.
Note:
Item is only available when the DHW Mode is set to 1 to 4.
Adjust Menu (5 of 6)
