Operating Limits And System Charge - Carrier 38GL_M...G Installation Manual

38GL_M...G / 38YY(S)_M...G

Operating limits and system charge

Table III: Operating limits
Cooling (2)
Maximum conditions
Minimum conditions
(2)
Heating
Maximum conditions
Minimum conditions
(1)
Notes: Data referred to the outdoor unit only.
(2)
According to prEN 14511-5.
(3) Thanks to the high pressure regulation kit, the unit can also be
used with outdoor temperatures up to +10°C (see table V
"Accessories" for kit availability).
(4) Thanks to the high pressure regulation kit, the unit can also be
used with outdoor temperatures up to -10°C (see table V
"Accessories" for kit availability).
d.b. - dry bulb ; w.b. - wet bulb
Table IV: System charge
Refrigerant
Cooling
charge
only
for compressor
models
circuit (g)
38GL2M12G 1130(A1+A2)
38GL2M18G 670
38GL2M24G 760
38GL2M36G 1300
38GL2M48G 1370
900 (A1+A2) /
38GL3M21G
600 (B)
860 (A1+A2) /
38GL4M24G
860 (B1+B2)
Heat Refrigerant
pump charge
models for compressor
circuit (g)
38YY2M18G 700
38YY2M21G 850
38YY2M24G 870
38YY(S)2M36G 1400
38YY(S)2M48G 1580
Note 1: A1 and A2 are connected to the same compressor.
Note 2: Side compressor A only (A1 and A2 are connected to the same compressor).
Note 3: Side compressor B only.
(1)
Outdoor temperature °C Indoor temperature °C
d.b. w.b.
43 –
21 (3) –
15 –
-10 –
24 18
-15 -17
Extra charge
Suitable up to
(m) compressor
circuit (g/m)
15 (L1+L2)
8 for each circuit
8 for each circuit
8 for each circuit
8 for each circuit
15 (L1+L2) /
15
8 (L3)
15 (L1+L2) /
15 (L3+L4)
(with connection pipes use as few elbows as possible)
Extra charge
Suitable up to
(m) compressor
circuit (g/m)
8 for each circuit
8 for each circuit
8 for each circuit
8 for each circuit
8 for each circuit
R-410A
d.b. w.b.
32 23
21 15
21 15
21 15
27 –
20 –
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.
Extra charge (g) for no. 1 indoor unit
for
Hi-Wall
H2PHQ-N 42HMC-N 42VMC-N 42KMC-N
- -
15 -
15 -
15 -
15 -
Note 3
-
- -
Extra charge (g) for no. 1 indoor unit
for
Hi-Wall
42PHQ-N 42HMC-N 42VMC-N 42KMC-N
15 -
15 -
15 -
20 -
20 -
E N G L I S H
Applicable
All multisplit units
38GL2M12G
38GL2M18G; 38GL2M24G; 38GL3M21G
38GL4M24G
38GL2M36G (4) ; 38GL2M48G
38YY2M18G; 38YY2M36G;38YY2M48G;
38YY2M21G;38YY2M24G.
38YYS2M36G;38YYS2M48G.
All heat pump
multisplit units
Console Cassette Satellite
- - -
- - -
- - -
- - -
- 40 -
- - -
- - -
Console Cassette Satellite
- - -
- - -
- - -
- - -
- 370 -
(4) ;
40SMC-N
50 Note 1
70
70
-
150
50 Note 2 /
70 Note 3
100
40SMC-N
-
(note 3)
50
50
-
-
GB - 5