–25–
Sectional temperature
2
Heating operation
Discharge (TH11/TH12)
Heat exchanger inlet (TH5)
Inlet
Accumulator
Outlet
Suction (Comp) (No.1/No.2)
Low pressure saturation
temperature (TH2)
Upper (TH4)
Liquid level
Lower (TH3)
Shell bottom (Comp No.1/No.2)
CS circuit (TH9)
Circulating refrigerant
configuration (
α
OC)
LEV inlet
Heat exchanger outlet
100
100
100
50
50
125
125
125
100
25
10
10
10
10
10
10
10
10
10
10
Hi
Hi
Hi
Hi
Hi
Hi
Hi
Hi
Hi
Hi
600
600
600
450
450
650
650
650
600
350
DB/WB
Set
-
m
-
kg
A
V
Pulse
Outdoor unit
Items
Ambient temp.
Indoor unit
Piping
Condition
Indoor
Outdoor
No. of units
No. of units in opera-
tion
Model
Main pipe
Branch pipe
Total piping length
Outdoor
unit
Indoor
unit
Outdoor unit
Pressure
LEV opening
Indoor unit fan notch
Refrigerant volume
Total electrical current
Voltage
Indoor unit
BC controller (1, 3)
Oil return (SLEV)
380/400/415
380/400/415
P400
P500
2.01/1.72
2.01/1.72
MPa
°
C
High pressure/Low pressure
(after O/S)
(before MA)
88/93
88/93
– 3
– 1
– 6
– 7
– 6
– 7
– 5/2
– 5/0
– 10
30
– 6
43/45
40/33
5
0.28
81
34
2.11/0.35
2.11/0.31
BC
controller
High/Intermediate
20.0/-
20.0/-
7.0/6.0
7.0/6.0
5
5
5
5
5
5
55
55
27.1
29.2
24.6/23.4/22.5
30.8/29.2/28.2
60
1400
60
1600
122