Unit Operating Temperature - Gree Ultra Heat GMV Multi VRF Heat Pump Series Service Manual

Ultra Heat GMV VRF Technical Service Manual
If the above equation cannot be satisfied, then follow the following steps.
 Selection of air conditioning system: select one of the next
(1) Installation of effective opening part
(2) Reconfirmation of Outdoor Unit capacity and piping length
(3) Reduction of the amount of refrigerant
(4) Installation of 2 or more security device (alarm for gas leakage)
 Change Indoor Unit type:
Installation position should be over 6.6ft from the floor (Wall mounted type → Cassette type)
 Adoption of ventilation system:
Choose ordinary ventilation system or building ventilation system
 Limitation in piping work:
Prepare for earthquake and thermal stress

8 UNIT OPERATING TEMPERATURE

Cooling
Heating
NOTICE! Out of the working Temperature Range may damage this products and will invalidate the
warranty.
Electrify the unit 8 hours before operation. Please switch on for 8 hours before operation. Do not cut
off the power when 24 hours short-time halting (to protect the compressor).
 If unit operates out of the above range, it may not work stably and components may even be
damaged.
Ambient temperature: -10º C(14º F)~52º C(125.6º F)
Ambient temperature: -30º C (-22º F)~24º C (75.2º F)
16
UNIT INTRODUCTION