8
Summary
Operating conditions
• The units referred to within this manual conform with the protection requirements of Directives 89/336/EEC
Electromagnetic Compatibility and 73/23/EEC Low voltage.
• Operating conditions of the unit are as follows:
Outdoor temperature -5 ~ 43°C Cooling
-15 ~ 21°C Heating
Room temperature 18 ~ 32°C Cooling
15 ~ 29°C Heating
Room humidity <80% Cooling
Note 1: Cooling capacity is rated at the following temperature conditions:
Indoor air inlet temperature 27°C DB, 19°C WB.
Outdoor air inlet temperature 35°C DB.
Note 2: Heating capacity is rated at the following temperature conditions:
Indoor air inlet temperature 20°C DB.
Outdoor air inlet temperature 7°C DB, 6°C WB.
Note 3: For details about the Outdoor unit, Indoor units or Remote Controller installation refer to the relevant literature, i.e.
Installation Instructions supplied with the units.
Note 4: Operatives handling refrigerants must be suitably qualified in accordance with local and national codes of practice
and statutory requirements.
Note 5: Legislation may regulate the removal of waste refrigerant from the systems. We advise awareness of any
regulations and duty of care. Waste refrigerant must NEVER be discharged to atmosphere.
Note 6: Electrical work should be in accordance with all relevant codes of practice and should be carried out by suitably
qualified personnel.
Note 7: Metric/Imperial pipe conversion.
Diameter (mm) 6.4 9.5 12.7 15.9 19.0 2.0 28.6 34.9 41.3 54.1
Nominal diameter (inch) 1/4 3/8 1/2 5/8 3/4 7/8 1-1/8 1-3/8 1-5/8 2-1/8
Note 8: Within this manual:
ODU = Outdoor Unit IDU = Indoor Unit
R/C = Remote Controller D.O.L. = Direct On-Line compressor
INV = Inverter ODU FIX = Fixed-speed ODU
DB = Dry Bulb WB = Wet Bulb
Mg-Sw = Magnetic Contactor IOL = Inner Overload Relay
OCR = Over Current Relay IGBT = Inverter Gate Bi-Polar Transistor
Note 9: MPaG
⇒ kgf/cm
2
G conversion multiplier
1.0 MPaG = 10.2 kgf/cm
2
G
2
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