Accessory and refrigerant, Table iii: length of refrigerant, Table iv: operating limits – Carrier XPOWER 38VYX080 User Manual

Page 4

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38VYX050/38VYX080

E N G L I S H

Accessory and refrigerant

Table II: Accessory and Installation Parts

Refrigerant Piping

• Piping kit used for the conventional refrigerant cannot be used.
• Use copper pipe with 0.8 mm or more thickness for Ш 6.4, Ш 9.52,

Ш 12.7.

Outdoor unit

Protective bush

Installation manual x 1

(For SM800AT only)

Drain nipple

Guard material for passage

Waterproof rubber cap

part (For SM800AT only)

NOTES: Caution at addition of refrigerant

(1)

When the total length of refrigerant pipe exceeds 20m, add 20g/m. The pipe total maximum length is 30 m. (Max. amount of additional refrigerant is 200g.).
Charge the refrigerant accurately. Overcharge may cause a serious trouble of compressor.

(2)

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 III: Length of refrigerant

Length of refrigerant pipe connected
to indoor/outdoor units.

Refrigerant addition

.

20 m o shorter: for all units

Do not add refrigerant at installation site

(1)

from 20 m to 30 m (38VYX 050) Add 20 g of refrigerant for every meter of pipe beyond 20 m

(2)

from 20 m to 50 m (38VYX 080) Add 40 g of refrigerant for every meter of pipe beyond 20 m

Use copper pipe with 1.0 mm or more thickness for Ø 15.87.

• Flare nut and flare works are also different from those of the

conventional refrigerant.
Take out the flare nut attached to the main unit of the air
conditioner, and use it.

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

Table IV: Operating limits

(1)

Notes:

1. Data referred to the outdoor unit only.
2. According to prEN14511.

d.b. - dry bulb;

w.b. - wet bulb

WARNING:
During heat pump operation unit will undergo several defrost cycles to
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.

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