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38GL_M...G / 38YY(S)_M...G
Connections and operating limits
Table II: Connections
Model
38GL
Max. height difference
L1 m
Max. pipe
L2 m
length
L3 m
L1 + L2 m
L3 + L4 m
L1 m
Min. pipe
L2 m
length
L3 m
L1 + L2 m
L3 + L4 m
Difference max
L1 - L2 m
L3 - L4 m
Model
YY(S)
Max. height difference
Max. pipe length
L1 + L2 m
Min. pipe length
Note
(1): Circuit A1 and A2
(2): Circuit B
Table III: Operating limits
Cooling (2)
Maximum conditions
Minimum conditions
(2)
Heating
Maximum conditions
Minimum conditions
Notes:
(1)
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 VI
"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 VI
"Accessories" for kit availability).
d.b. - dry bulb ;
w.b. - wet bulb
2M12G
2M18G
H m
5
5
–
15
–
–
–
15
15
–
–
–
–
1.5
–
–
–
1.5
1.5
–
–
–
5
–
–
–
2M36G
H m
10
L1 m
30
L2 m
30
60
L1 m
3,0
L2 m
3,0
(1)
Outdoor temperature °C Indoor temperature °C
d.b.
43
(3)
21
15
-10
24
-15
2M24G
3M21G
3M30G
(1)
5
5
5
15
–
–
–
15
15
–
15
–
–
1.5
–
–
–
1.5
1.5
–
1.5
–
–
–
5
–
–
2M48G
2M18G
15
5
40
15
40
15
80
30
3,0
3,0
3,0
3,0
w.b.
d.b.
w.b.
–
32
23
–
21
15
–
21
15
–
21
15
18
27
-17
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.
4M24G
2M36G
(2)
/ 10
5
10
–
–
30
–
–
30
30
–
–
15
30
60
–
30
–
–
–
3.0
–
–
–
1.5
–
3.0
1.5
1.5
–
–
1.5
–
5
5
–
–
5
–
2M21G
5
15
15
30
3,0
3,0
Applicable
All multisplit units
38GL2M12G
38GL2M18G; 38GL2M24G; 38GL3M21G
38GL3M30G; 38GL4M24G
38GL2M36G
(4)
; 38GL2M48G
38YY2M18G; 38YY2M36G;38YY2M48G;
38YY2M21G;38YY2M24G.
38YYS2M36G;38YYS2M48G.
–
All heat pump
–
multisplit units
E N G L I S H
2M48G
15
40
40
–
80
–
3.0
–
3.0
–
–
–
–
2M24G
5
15
15
30
3,0
3,0
(4)
;
GB - 5
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