Mitsubishi Electric Thermoscreens VRF HP Installation, Operation & Maintenance Instructions Manual page 4

City Multi R2/WR2-Series Heat Pump Air Curtain System
City Multi R2/WR2-Series Heat Recovery Heat Pump Air Curtain Schematic :-
Permanent electrical supply
(from local switched spur)
Mitsubishi Electric
VRF Compressor Unit
BMS
Control
Refrigeration pipework
Electrical cables
City Multi R2/WR2-Series System:-
Indoor Units and Air Curtains(s) can operate on heating or cooling simultaneously, e.g.
some indoor units are cooling whilst other indoor units and air curtain are heating at the
same time.
The City Multi R2/WR2-Series heat recovery system with Heat Pump Air Curtain(s) consists
of :-
 one or more Thermoscreens VRF HP Heat Pump (heating and cooling) Air Curtains *
 one or more Mitsubishi Electric City Multi R2/WR2-Series Compressor Units
 Mitsubishi Electric BC Controller
 a Mitsubishi Electric PAR-31MAA or PAR-U02MEDA Remote Controller
 a door switch to change fan speeds; higher speed when the door is open, lower speed
when the door is closed (optional)
 Mitsubishi Electric Indoor Unit(s)
up to 100% diversity]
* - supplied by Thermoscreens Ltd.
+
- Mitsubishi Electric items supplied by the installer
^
- supplied by the installer
T9901075-2-3 UK
BC Controller
M-Net Comms
Link
Mitsubishi Electric
Indoor Units
+
+
[NB. Can be used on a full air curtain basis if required
Permanent electrical supply (from local switched spur)
1-phase for air curtain as supplied,
3-phase only if defrost cycle auxiliary heater is needed
(site change then required to air curtain)
Heat Pump
Air Curtain
Control cables
BMS Control
^
On/Off
Mode change
Capacity control
3-Speed fan control
Temp. monitoring
Mitsubishi error
Mitsubishi Electric
PAR-31MAA
or PAR-U02MEDA
Remote Controller
Door Switch to change fan speeds
Door open - High; Door shut - Low
(optional)
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