83
6. Buffer Tank connection
Initial setting: No
System setup
17:26, Wed
Heater capacity
Anti freezing
Tank connection
Buffer tank connection
Select
Con
fi
rm
Select whether it is connected to buffer tank for heating or not.
If buffer tank is used, please set Yes.
Connect buffer tank thermistor and set,
∆
T (
∆
T use to increase primary side temp
against secondary side target temp).
(CAUTION) Does not display if there is no Optional PCB.
If the buffer tank capacity is not so large, please set larger value for
∆
T.
7. Tank heater
Initial setting: Internal
System setup
17:26, Wed
Anti freezing
Tank connection
Buffer tank connection
Tank heater
Select
Con
fi
rm
Select to use either built-in heater or external heater as heater for hot water tank.
If heater is installed on tank, please select External.
(CAUTION) Does not display if there is no tank for hot water supply.
Please set “Tank heater” to “ON” in the “Function setup” from remote controller
when using heater to boil the tank.
External A setting which is using booster heater installed on
DHW tank to boil the tank.
The permissible heater capacity is 3kW and below.
The operation to boil the tank with heater is as below.
In addition, be sure to set suitable “Tank heater: ON
time”
Internal A setting which is using backup heater of indoor unit to
boil the tank.
The operation to boil the tank with heater is as below.
65
53
HP thermo OFF
HP
Booster heater
Tank temp.
ON time
Pump
For 65°C setting
65
53
HP thermo OFF
HP
Booster heater
Tank temp.
A
Pump
For 65°C setting
8. Base pan heater
Initial setting: No
System setup
17:26, Wed
Tank connection
Buffer tank connection
Tank heater
Base pan heater
Select
Con
fi
rm
Select whether Base pan heater is installed or not.
If set Yes, select to use either heater A or B.
A: Turn on Heater when heating with defrost operation only
B: Turn on Heater at heating
9. Alternative outdoor sensor
Initial setting: No
System setup
17:26, Wed
Buffer tank connection
Tank heater
Base pan heater
Alternative outdoor sensor
Select
Con
fi
rm
Set Yes if outdoor sensor is installed.
Controlled by optional outdoor sensor without reading the outdoor sensor of heat
pump unit.
