110
Stop condition:
Force Heater request OFF
OR
Operation OFF request
OR
Mode change request
OR
Power reset
OR
Error of above list happens during force heater operation.
Control contents:
When force heater mode start condition fulfilled, turn ON water pump and turn ON room heater follow below
control.
Operate the 3 ways valve at room side only and turn ON 2 ways valve as heat mode operation.
Turn ON the zone pump and mixing valve if system select 2 zone systems or Buffer tank connect YES, control
according to normal zone pump and mixing valve control.
When Force heater mode stop condition fulfilled, turn OFF heater as below condition and turn OFF water pump
after pump delay time.
Room heater ON condition:
When Force Heater Control start condition fulfill
AND
After water pump operate 1.2 minutes
AND
When water outlet temperature < water set tempe [-4°C]
AND
20 minutes since previous Backup heater Off
Room heater Stop condition:
Force mode off
OR
Operation off
OR
When water outlet temperature > water set tempe [-2°C] for continuous 15 seconds.
* ON/OFF follow normal heater sequence.
** Do not operate room heater at the following situation:
Water outlet temperature sensor and water inlet sensor abnormal.
Water Flowrate abnormal detect.
Circulation pump stop condition.
12.10 Powerful Operation
Powerful mode is use to increase the capacity of heat pump to achieve higher target temperature. Powerful mode is
applicable when heat mode is operating.
Remote control setting:
On quick menu of remote control, there is 4 options of powerful mode can be select.
- OFF
: Cancel powerful mode
- 30 minutes
: Set powerful for 30 minutes
- 60 minutes
: Set powerful for 60 minutes
- 90 minutes
: Set powerful for 90 minutes
Control contents:
During the time set by remote control, powerful will activate according to 2 shift up controls. However, this function is
applicable only for heating. Remote control will transmit the signal to indoor unit once this function is select then
transmit OFF signal to indoor when the timer is complete. Indoor will transmit signal to outdoor for frequency control.
Indoor setting temperature shift
If system is standard system (Optional PCB is not connected)
o
Target water temperature will shift up to Wlo or Whi whichever higher.
If system is extension system (Optional PCB is connected)
o
Target water Zone 1 and Zone 2 temperature will shift up to Wlo or Whi whichever higher.
* If “Direct Type” temperature control is select, this powerful shift up setting is not effective.
Start condition
o
Powerful function is select by remote control.
