Panasonic WH-ADC0309H3E Service Manual page 117


Parallel Mode
Parallel mode allows heat pump and boiler ON at the same time. Boiler operates as an additional heating
o
capacity when low heat pump capacity at low ambient condition.
Control detail:
During operation ON at Heat mode or Tank mode or Heat + Tank mode
Boiler signal turns ON when:
o
 Outdoor ambient < Outdoor Ambient Set AND
 Boiler prohibit flag = 0
Boiler signal turns OFF when:
o
 Outdoor ambient > Outdoor Ambient Set + [2°C] OR
 Boiler prohibit flag = 1

Advance Parallel Mode
Advance parallel mode allow heat pump to operate and turn ON boiler only when ambient and temperature
o
condition is fulfilled.
Remote control setting value:
1 Outdoor Ambient Set = (Range : -15°C ~ 15°C)
2 Selection of boiler connection direction. (Heat only, DHW only, Heat & DHW)
3 Setting data under Heat Direction
Start Temperature
o
Start Delay Timer
o
Stop Temperature
o
Stop Delay Timer
o
4 Setting data under DHW Direction
Delay Timer
o
Control detail:
During operation ON at Heat Mode
Boiler signal turns ON when
o
Outdoor ambient < Outdoor Ambient Set AND

 Buffer tank temperature < Target Buffer Tank Temperature + [START_TEMP] for [START_TIMER]
AND
 Heat pump operate at room side AND
 Connection of Boiler to Heating Select "YES" From installer menu AND
 Buffer Tank connection select "YES" AND
 Boiler prohibit flag = 0
Boiler signal turns OFF when
o
 Outdoor ambient > Outdoor Ambient Set + [-2°C] OR
 Buffer Tank temperature > Target Buffer Tank temperature + [STOP_TEMP] for [STOP_TIMER] OR
 Heat pump not at room side. OR]
 Boiler prohibit flag = 1
During operation ON at Tank Mode
Boiler signal turns ON when
o
 Outdoor ambient < Outdoor Ambient Set AND
 Heat pump operate at tank side for continuous | DELAY_TIMER | AND
 Connection of Boiler to DWH Tank select "YES" from installer menu. AND
 Boiler prohibit flag = 0
Boiler signal turns OFF when
o
 Outdoor ambient > Outdoor Ambient Set + [2°C] OR
Heat pump not operates at tank side. OR

 Boiler prohibit flag = 1
Boiler prohibit flag control
Purpose:
For product safety. Boiler signal is OFF when water temperature is too high.
o
| START_TEMP |
| START_TIMER |
| STOP_TEMP |
| STOP_TIMER |
| DELAY_TIMER |
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