© 2011
D 406 - 12/11
24 of 48
Item Field
Range
Description
AUTO,
COOL,
HEAT,
BKUP,
OFF
Default = AUTO
Access:
User
Set to:
MODE
SECTION C
AUTO - Automatic heat pump switchover between heating and cooling. Boiler
or backup heat is brought on automatically as needed for DHW/Setpoint loads
and space heating.
COOL - Heat pump only operates in cooling mode. Backup heat only operates
for DHW/Setpoint loads.
HEAT - Heat pump only operates in heating mode. Boiler or backup heat is brought
on automatically as needed for DHW/Setpoint loads and space heating.
BKUP - Heat pump is disabled. Boiler or backup heat is brought on automatically
as needed for DHW/Setpoint loads and space heating.
OFF - Heat pump is disabled. Boiler or backup heat is disabled.
T, T+M, T+B, T+MB
Default = T
Access:
Installer
Set to:
WATER TEMPERATURE
SECTION B
T - Only a tank loop is configured.
T + B - Tank and boiler loops are configured.
T + M - Tank and mix loops are configured.
T + MB - Tank, mix, and boiler loops are configured.
TANK, BOIL, MIX
Default = TANK
Access:
Installer
Set to:
ZONES 1-4
SECTION B
Selects which water temperature zones 1-4 are associated with.
TANK - links zones 1-4 to the tank loop.
BOIL - links zones 1-4 to the boiler loop.
MIX - links zones 1-4 to the mixing loop.
Note:
This item is only available when either mix or boil water temperatures have
been selected.
GEO, AIR
Default = GEO
Access:
Installer
Set to:
HEAT PUMP SOURCE
SECTION E
Select whether the heat pump is an air-source (AIR) or water-source (GEO) heat
pump.
1STG, 2STG, ROT
Default = 1STG
Access:
Installer
Set to:
HEAT PUMP TYPE
SECTION E
1STG - operates a single stage heat pump.
2STG - operates a two-stage heat pump.
ROT - operates two heat pumps and rotates them every 48 hours difference in
run time.
Adjust Menu (1 of 6)
The Adjust menu items are the programmable settings used to determine what type of system to operate.
Item Field
Range
Description
PRECOOL TANK
The heat pump is cooling the storage tank while the zones remain off. This may
continue for up to 30 minutes and then the zones are allowed to call for cooling.
PURGING COOL
Cool water is being purged from the storage tank and the heat pump is not allowed
to come on. This may continue for up to 30 minutes and then preheat will begin.
PREHEAT TANK
The heat pump is heating the storage tank while the zones remain off. This may
continue for up to 30 minutes and then the zones are allowed to call for heating.
View Menu (3 of 3)
