38GL_M…G / 38YY(S)_M…G
GB - 5
ENGLISH
Table III: Operating limits
(1)
Cooling (2)
Outdoor temperature °C
Indoor temperature °C
Applicable
d.b. w.b. d.b. w.b.
Maximum conditions
43 – 32 23 All multisplit units
38GL2M12G
21
(3)
– 21 15 38GL2M18G; 38GL2M24G; 38GL3M21G
Minimum conditions
38GL3M30G; 38GL4M24G
15 – 21 15 38GL2M36G
(4)
; 38GL2M48G
(4)
;
38YY2M18G; 38YY2M36G;38YY2M48G;
38YY2M21G;38YY2M24G.
-10 – 21 15 38YYS2M36G;38YYS2M48G.
Heating
(2)
Maximum conditions
24 18 27 – All heat pump
Minimum conditions
-15 -17 20 – multisplit units
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
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.
Connections and operating limits
Model YY(S) 2M36G 2M48G 2M18G 2M21G 2M24G
Max. height difference
H m10 15 5 5 5
Max.
pipe length L1 m30 40 15 15 15
L2 m30 40 15 15 15
L1 + L2 m60 80 30 30 30
Min.
pipe length L1 m 3,0 3,0 3,0 3,0 3,0
L2 m 3,0 3,0 3,0 3,0 3,0
Table II: Connections
Model 38GL 2M12G 2M18G 2M24G 3M21G 3M30G 4M24G 2M36G 2M48G
Max. height difference
H m5 5 5 5 5
(1)
/ 10
(2)
51015
Max.
pipe L1 m – 15 15 –––30 40
length L2 m ––––––30 40
L3 m – 15 15 15 30 –––
L1 + L2 m15 ––15 15 30 60 80
L3 + L4 m –––––30 ––
Min.
pipe L1 m – 1.5 1.5 –––3.0 3.0
length L2 m – –– – –– ––
L3 m – 1.5 1.5 1.5 1.5 – 3.0 3.0
L1 + L2 m 1.5 ––1.5 1.5 1.5 ––
L3 + L4 m –––––1.5 ––
Difference max L1 - L2 m5 –– 555––
L3 - L4 m –––––5 ––
Note (1): Circuit A1 and A2
(2): Circuit B
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