Panasonic AQUAREA WH-ADC0912K6E5AN Service Manual page 158


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 ~ 35°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

SG ready Control Mode
Using same SG ready from Sub Board input to control boiler ON/OFF output.
o
* When this SG ready is select for bivalent control, default SG ready function will change to control bivalent
output
Remote controller can set the External Pump ON/OFF like bivalent alternative mode
o
Control Content
Indoor will follow the SG ready bit input to control ON/OFF heat pump and boiler
00 : Heat pump OFF, Boiler OFF
01 : Heat pump ON, Boiler OFF
* External pump will turn ON when the external pump selection is ON when boiler is ON even heat pump is OFF.
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
| START_TEMP |
| START_TIMER |
| STOP_TEMP |
| STOP_TIMER |
| DELAY_TIMER |
10 : Heat pump OFF, Boiler ON
11 : Heat pump ON, Boiler
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