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Thermoscreens / Mitsubishi Electric
Thermoscreens City Multi Heat Pump Air Curtains can be used with Mitsubishi Electric City
Multi Y/WY-Series (Heat Pump) or City Multi R2/WR2-Series (Heat Recovery) systems.
City Multi Y/WY-Series Heat Pump Air Curtain System
City Multi Y/WY-Series Heat Pump Air Curtain Schematic :Permanent electrical supply
(from local switched spur)
Permanent mains electrical supply
(from local switched spur) for:
PAC-AH AHU
Controller
1 per air
curtain
LEV(s)
Power
Fan
Sensors
Defrost signal
Cond. alarm
Mitsubishi Electric
Compressor Unit
BMS Control
x Fans
x PAC-AH…AHU Controller
x Defrost electric heaters (if used)
PAR-21MAA
remote
controller
Heat Pump
Air Curtain
Remote
3-Speed
Fan Switch
Mitsubishi Electric
Indoor Units
Refrigeration pipework
Electrical/Controls cables
City Multi Y-Series System:Indoor Units and Air Curtains(s) all operate on heating at the same time, or all operate on
cooling at the same time.
The City Multi Y Series Heat Pump Air Curtain system consists of :• One or more Thermoscreens VRF PHV Heat Pump (heating and cooling) Air Curtains *
• A Mitsubishi Electric PAC-AH…M-G AHU Controller or PAC-AH…M-H AHU Controller
(one for each air curtain) *
• A Mitsubishi Electric PAR-21MAA Remote Controller (one for each AHU Controller) +
• One or more Mitsubishi Electric City Multi Y/WY-Series Compressor Unit +
• Mitsubishi Electric Indoor Unit(s) + [NB. Can be used on a full air curtain basis if required
up to 100% diversity]
• Mitsubishi Electric BMS System or Centralised Controller, if required +
* - supplied by Thermoscreens Ltd.; + - supplied by others
9901035-2
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