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Adjust Menu (4 of 6)
Item Field
Default = 50°F
Access: Installer
Set to:
Access: Installer
Set to:
OFF, 40 to 75°F
Default = 60°F
Access: Installer
Set to:
Access: Installer
Set to:
Access: Installer
Set to:
AUTO, 2:00 to
20:00 minutes
Access: Installer
Set to:
Access: Installer
Set to:
Default = 100°F
Access: Installer
Set to:
Range
35 to 70°F
(4 to 21°C)
COOL SETPOINT
Tank setpoint that will be maintained when in cooling mode (not for floor
(10°C)
cooling).
ON, OFF
DEW POINT
Default = ON
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.
COOL MINIMUM
Minimum supply temperature to deliver when:
(4.5 to 24°C)
•
Performing floor cooling for a loop
•
Limiting a zone's target supply temperature based on dewpoint
(15.5°C)
considerations.
The target for floor-cooling or dewpoint limiting is calculated as the higher of:
•
2 °F above the dewpoint or this setting.
O, B
SWITCHOVER
Default = O
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)
HEAT PUMP DIFFERENTIAL
Default = 4°F
Differential around the tank sensor which the heat pump will cycle its compressor
(half above and half below target).
HEAT PUMP 2 DELAY
Default = AUTO
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.
HP LOOP
INTR - The HP Loop Pump will operate together with the heat pump including
pre & post purge
INTR, ON
ON - The HP Loop Pump will operate whenever heat is being drawn from or
Default = INTR
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
70 to 120°F
(21 to 49°C)
HP RETURN MAX
Prevents the heat pump from operating in heating mode if the heat pump return
(38°C)
temperature exceeds this setting.
Description
27 of 48
SECTION D
SECTION C
SECTION C
SECTION E
SECTION E
SECTION E
SECTION B
SECTION E
© 2011
D 406 - 12/11
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