Carrier 38VYX110, 38VYX130 installation manual Accessory and refrigerant, Selection of installation

38VYX110/38VYX130

Accessory and refrigerant

E N G L I S H

Table II: Accessory and Installation Parts
Outdoor unit	Drain nipple
Installation manual x 1	Waterproof rubber cap

Refrigerant Piping				• Use copper pipe with 1.0 mm or more thickness for Ø 15,87 mm.
• Piping kit used for the conventional refrigerant cannot be used.				• Flare nut and flare works are also different from those of the
• Use copper pipe with 0.8 mm or more thickness for Ø 9,52				conventional refrigerant.
				Take out the flare nut attached to the main unit of the air
mm.				conditioner, and use it.
Table III: Length of refrigerant
Length of refrigerant pipe connected			Refrigerant addition.
to indoor/outdoor units.
20 m o shorter: for all units			Do not add refrigerant at installation site
(1) from 20 m to 50 m			Add 40 g of refrigerant for every meter of pipe beyond 20 m
NOTES: Caution at addition of refrigerant
(1) When the total length of refrigerant pipe exceeds 20m, add 40g/m. The pipe total maximum length is					50 m. (Max. amount of additional refrigerant is
1200g.). Charge the refrigerant accurately. Overcharge may cause a serious trouble of compressor..
Table IV: Operating limits (1)
Cooling (2)		Maximum conditions			outdoor temperature 43° C
					indoor temperature 32° C d.b.; 23° C w.b.
		Minimum conditions			outdoor temperature -5°C
					indoor temperature 21° C d.b.; 15° C w.b.
Heating (2)		Maximum conditions			outdoor temperature 24° C d.b.; 18° C w.b.
					indoor temperature 27° C d.b.
		Minimum conditions			outdoor temperature –15°C d.b.
Mains power supply		Nominal single-phase voltage			220⎟ 240V ~ 50Hz
		Operating voltage limits			min. 198V – max. 264V
Notes: 1. Data referred to the outdoor unit only.				WARNING:
				During heat pump operation unit will undergo several defrost cycles to
2. According to prEN14511.
				eliminate ice that might possibly collect on the outdoor unit in very low
				ambient temperatures.
				In these cycles, fan speed will automatically reduce and cannot be
				varied until defrost cycle is completed.
d.b. - dry bulb;	w.b. - wet bulb

Selection of installation

Air purge

•For air purge, use a vacuum pump.

•Do not use refrigerant charged in the outdoor unit for air purge. (The refrigerant for air purge is not contained in the outdoor unit.)

Electrical cabling

•Be sure to fix the power cables and indoor/outdoor connecting cables with clamps so that they do not contact with the cabinet, etc.

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