Mitsubishi Electric CITY MULTI PUHY-400YMF-B, Service Handbook

Page: 41 / 204

–38–
Variable
capacity
unit
Constant
capacity
unit
Indoor unit
Outdoor unit
Items
Ambient temp.
Indoor unit
Piping
Condition
Indoor
Outdoor
Quantity
Quantity in operation
Model
Main pipe
Branch pipe
Total piping length
Discharge (TH11/TH12)
Heat exchanger outlet (TH5)
Accumulator
Inlet
Outlet
Suction (Comp)
Low pressure saturation
temperature
(TH2)
Liquid level
Upper (TH4)
Lower (TH3)
Shell bottom (Comp)
Heat exchanger gas line
(TH10a/TH10b)
Discharge temperature (TH11)
Suction (Comp) (No.1/No.2)
Liquid level
Upper (TH4)
Lower (TH3)
Shell bottom (Comp)
Bypass inlet (TH9)
Heat exchanger gas line
(TH10a)
Heat exchanger inlet
LEV inlet
-
Variable
capacity unit
Constant
capacity unit
DB/WB
Set
-
m
-
kg
A
V
Pulse
kg/cm 2 G
(MPa)
°
C
Outdoor
unit
Sectional temper
ature
Pres-
sure
LEV opening
Indoor unit fan notch
Refrigerant volume
Current
Voltage
Indoor unit
SC (LEV1)
Oil return (SLEV)
SC (LEV1)
Liquid pipe (LEV2)
High pressure/Low pressure
(after O/S)
(before Main ACC)
PUHY-650YSMF-B PUHY-750YSMF-B
PUHY-400YMF-B PUHY-500YMF-B
PUHN-250YMF-B PUHN-250YMF-B
21/-
7/6
5
5
250/200/125/50/25 250/250/125/100/25
5
5
30
Hi
31.9 37.9
41.2/39.1/37.7 47.7/45.3/43.7
380 ~ 415
440/350/440/450/280 440/440/440/350/280
0
198
100
800
18/3.5 18/3.5
(1.76/0.34) (1.76/0.34)
85/90
7 9
– 3 – 4
– 3 – 4
– 3/4 – 4/2
– 3 – 4
30
– 3 – 4
43/45 40/33
– 3/– 3 – 4/– 4
90
2
30
– 4
33
– 4
– 4
78
37
Variable
capacity
Constant
capacity