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© 2011
D 406 - 12/11
Adjust Menu (4 of 6)
Item Field
Range
Description
35 to 70°F
(4 to 21°C)
Default = 50°F
(10°C)
Access:
Installer
Set to:
COOL SETPOINT
SECTION D
Tank setpoint that will be maintained when in cooling mode (not for floor
cooling).
ON, OFF
Default = ON
Access:
Installer
Set to:
DEW POINT
SECTION C
ON - a humidity sensor is required in order to operate floor cooling.
OFF - no humidity sensor is required to perform floor cooling. The floor-cooling
supply target will be the value of the COOL MINIMUM setting.
OFF, 40 to 75°F
(4.5 to 24°C)
Default = 60°F
(15.5°C)
Access:
Installer
Set to:
COOL MINIMUM
SECTION C
Minimum supply temperature to deliver when:
Performing floor cooling for a loop
Limiting a zone’s target supply temperature based on dewpoint
considerations.
The target for floor-cooling or dewpoint limiting is calculated as the higher of:
2 °F above the dewpoint or this setting.
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•
•
O, B
Default = O
Access:
Installer
Set to:
SWITCHOVER
SECTION E
O - Close O/B contacts to operate heat pump in cool mode.
B - Close O/B contacts to operate heat pump in heat mode.
2 to 20°F
(1 to 11°C)
Default = 4°F
Access:
Installer
Set to:
HEAT PUMP DIFFERENTIAL
SECTION E
Differential around the tank sensor which the heat pump will cycle its compressor
(half above and half below target).
AUTO, 2:00 to
20:00 minutes
Default = AUTO
Access:
Installer
Set to:
HEAT PUMP 2 DELAY
SECTION E
The minimum time delay between the Y1 and Y2 stages of the heat pump.
Note:
Item is only available when HP TYPE = 2STG or ROT.
INTR, ON
Default = INTR
Access:
Installer
Set to:
HP LOOP
SECTION B
INTR - The HP Loop Pump will operate together with the heat pump including
pre & post purge
ON - The HP Loop Pump will operate whenever heat is being drawn from or
pushed into the tank:
When heat pump operates including pre & post purge
When there is a tank call
When there is a mix call
When the transfer pump is running
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•
•
70 to 120°F
(21 to 49°C)
Default = 100°F
(38°C)
Access:
Installer
Set to:
HP RETURN MAX
SECTION E
Prevents the heat pump from operating in heating mode if the heat pump return
temperature exceeds this setting.
