91
17. Pump flowrate
Initial setting: ∆T
System setup
12:00am,Mon
Force heater
Force defrost
Defrost signal
Pump flowrate
Select
Confirm
If pump flowrate setting is ∆T, unit adjust pump duty to get different of water inlet
and outlet base on setting on * ∆T for heating ON and * ∆T for cooling ON in
operation setup menu during room side operation.
If pump flowrate setting is set to Max. duty, unit will set the pump duty to the set
duty at *Pump maximum speed in service setup menu during room side operation.
18. Force DHW
Initial setting: Manual
System setup
12:00am,Mon
DHW capacity
Defrost signal
Pump flowrate
Force DHW
Select
Confirm
Force DHW mode is priority request to heat up tank from heat pump with tank only
mode.
If selection is Manual, force DHW mode can be activate from quick menu force
DHW icon.
If selection is Auto, force DHW mode will auto activated if tank temperature drop
below the force DHW tank set temperature. (Please refer to operation setup->Tank
for more information)
19. DHW Defrost
Initial setting: Yes
System setup
12:00am,Mon
Defrost signal
Pump flowrate
Force DHW
DHW Defrost
Select
Confirm
If setting is YES, system can run defrost operation by using hot water while other
room units in heat mode operation.
If setting is NO, system will not run defrost by using hot water.
11.3.3.4 Operation
Setup
Heat
20. Water temp. for heating ON
Initial setting: compensation curve
35°C
-5°C
15°C
55°C
Hot water temperature
compensation curve
Outdoor
temperature
Decide temperature
of 4 points as shown
in diagram
Set target water temperature to operate heating operation.
Compensation curve: Target water temperature change in conjunction with
outdoor ambient temperature change.
Direct: Set direct circulation water temperature.
In 2 zone system, zone 1 and zone 2 water temperature can be set separately.
21. Outdoor temp. for heating OFF
Initial setting: 24°C
24°C
OFF
ON
Set outdoor temp to stop heating.
Setting range is 5°C ~ 35°C
22. ∆T for heating ON
Initial setting: 5°C
Out
Return
Out — Return = 1°C ~ 15°C
Set temp difference between out temp & return temp of circulating water of
Heating operation.
When temp gap is enlarged, it is energy saving but less comfort. When the
gap gets smaller, energy saving effect gets worse but it is more comfortable.
Setting range is 1°C ~ 15°C