SERVICE MANUAL - Alarko Carrier

Outdoor Unit : RAS-4M27GAV-E
Temperature
condition
Indoor
Outdoor
No. of
operating
units
Operating combination
(Unit)
A B C D
Standard
pressure
P (MPa)
Heat exchanger
pipe temp.
T1 (°C)
T2 (°C)
Indoor
fan
Outdoor
fan
Compressor
revolution
(rps)
1 unit
10 – – – 2.7 to 2.9 44 to 46 2 to 4 High MED 41
13 – – – 3.2 to 3.4 52 to 54 2 to 4 High MED 52
16 – – – 3.6 to 3.9 53 to 55 2 to 4 High MED 56
2 units
10 10 – – 2.7 to 2.9 45 to 47 0 to 2 High MED 62
13 10 – – 2.8 to 3.0 45 to 47 0 to 2 High MED 64
16 10 – – 2.9 to 3.1 46 to 48 0 to 2 High MED 66
13 13 – – 2.9 to 3.1 46 to 48 0 to 2 High MED 67
16 13 – – 3.0 to 3.2 47 to 49 –1 to 1 High MED 69
16 16 – – 3.1 to 3.3 48 to 50 –1 to 1 High MED 71
3 units
10 10 10 – 2.3 to 2.5 38 to 40 –1 to 1 High MED 72
13 10 10 – 2.3 to 2.5 38 to 40 –1 to 1 High MED 72
16 10 10 – 2.3 to 2.5 38 to 40 –1 to 1 High MED 72
13 13 10 – 2.3 to 2.5 38 to 40 –1 to 1 High MED 73
20 / – 7 / 6
16 13 10 – 2.3 to 2.5 38 to 40 –1 to 1 High MED 73
13 13 13 – 2.3 to 2.5 38 to 40 –1 to 1 High MED 73
16 16 10 – 2.3 to 2.5 38 to 40 –1 to 1 High MED 73
16 13 13 – 2.5 to 2.7 37 to 39 –2 to 0 High MED 74
16 16 13 – 2.5 to 2.7 37 to 39 –2 to 0 High MED 74
16 16 16 – 2.5 to 2.7 37 to 39 –2 to 0 High MED 74
4 units
10 10 10 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 72
13 10 10 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 72
16 10 10 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 73
13 13 10 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 73
16 13 10 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 73
13 13 13 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 73
16 13 13 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 74
16 16 10 10 2.0 to 2.2 33 to 35 –2 to 0 High MED 74
NOTES :
1. Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent.
(Thermistor themometer)
2. Connecting piping condition : 5 meters × 4 units (5m/each indoor unit)
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