96
OCH714D
12
SUPPLEMENTARY INFORMATION
Refrigerant collecting (pumpdown) for split model systems only
Refer to “Refrigerant collection” in the outdoor unit installation manual or service manual.
Back-up operation of boiler
Heating operation is backed up by boiler.
For more details, refer to the installation manual of PAC-TH012HT(L)-E.
<Installation & System set up>
1. Set DIP-SW1-1 to ON "With boiler" and SW2-6 to ON “With Mixing tank”.
2. Install the thermistors THWB1 (Flow temp.)
*1
on the boiler circuit.
3. Connect the output wire (OUT10: Boiler operation) to the input (room thermostat input) on the boiler.
*2
4. Install one of the following room temperature thermostats.
*3
Wireless remote controller (option)
Room temp. thermostat (local supply)
Main remote controller (remote position)
*1
The boiler temperature thermistor is an optional part.
*2
OUT10 has no voltage across it.
*3
Boiler heating is controlled on/off by the Room temp. thermostat.
<Remote controller settings>
1. Go to Service menu > Heat source setting and choose “Boiler” or “Hybrid”.
*4
2. Go to Service menu > Operation settings > Boiler settings to make detailed settings for “Hybrid” above.
*4
The “Hybrid” automatically switches heat sources between Heat pump (and Electric heater) and boiler.
