Supplementary Information - Mitsubishi Electric PAC-IF081B-E Installation Manual

11. Supplementary information

11.1 Refrigerant collecting (pumpdown) for split model systems only
Refer to "Refrigerant collection" in the outdoor unit installation manual or service manual.
11.2 Back-up operation of boiler
Heating operation is backed up by boiler.
For more details, refer to the installation manual of PAC-TH012HT-E.
<Installation & System set up>
1. Set DIP-SW 1-1 to ON "With boiler" and SW2-6 to ON "With Mixing tank".
2. Install the thermistor (Boiler flow water temp.) (THWB1) *1 on the boiler circuit.
3. Connect the output wire (OUT10: Boiler operation) to the signal input (room thermostat input) on the boiler. *2
4. Install one of the following room temp. thermostats. *3
Wireless remote controller (option)
Room temp. thermostat (local supply)
Main remote controller (remote position)
<Remote controller settings>
1. Go to [Service] menu, then [Heat source setting], and choose [Boiler] or [Hybrid]. *4
2. Go to [Service] menu, and choose [Operation settings], then [Boiler settings] to make detailed settings for [Hybrid settings].
*1 The thermistor (Boiler flow water temp.) is an optional part.
*2 OUT10 has no voltage across it.
*3 Boiler heating is controlled on/off by the room temperature thermostat.
*4 [Hybrid] automatically switches heat sources between heat pump (and electric heater) and boiler.
PRODUCT FICHE OF TEMPERATURE CONTROLS
1 Parts name
2 Model name
3 The class of the temperature control
The contribution to seasonal space heating
4
energy efficiency (%)
Mitsubishi Electric Erp Directive Related Product Information: erp.mitsubishielectric.eu/erp
Details and precautions on installation, maintenance and assembly can be found in the installation and or
operation manuals.
This information is based on EU regulation No 811/2013 and No 813/2013.
5 Main Remote controller
6 (Indoor Unit Accessory)
VI
4
7 Wireless remote controller & receiver
PAR-WT60R-E & PAR-WR61R-E
VI
4
en
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