Mitsubishi Electric City Multi PUHY-HP144TSHMU-A, Service Handbook

Page: 119 / 265

[
VIII
Test Run Mode ]
- 110 - HWE0716A GB
(2) Heating operation
Operation
Outdoor unit model
PUHY-HP72THMU-A PUHY-HP96THMU-A
Operating
conditions
Ambient
tempera-
ture Indoor
DB/WB
21.1°C/ - [70°F/ - ] 21.1°C/ - [70°F/ - ]
Outdoor
8.3°C/6.1°C [47°F/43°F] 8.3°C/6.1°C [47°F/43°F]
Indoor
unit
No. of connected units
Unit
2 2
No. of units in operation 2 2
Model - 112/112 140/140
Piping
Main pipe
m [ft]
5 [16-3/8 ] 5 [16-3/8 ]
Branch pipe 10 [32-3/4 ] 10 [32-3/4 ]
Total pipe length 25 [82] 25 [82]
Fan speed - Hi Hi
Amount of refrigerant
kg
[lbs-oz]
11.3 [25] 13.8 [30-1/2]
Outdoor
unit
Electric current A 18.3 23.6
Voltage V 230 230
Compressor frequency Hz 55 72
LEV open-
ing
Indoor unit
Pulse
325/325 406/406
SC (LEV1) 0 0
LEV2 1400 1400
LEV4 0 0
Pressure
High pressure (after O/S)/low pres-
sure (before accumulator) MPa
[psi]
2.81/0.66 [408/96] 2.87/0.67 [416/97]
Temp. of
each sec-
tion
Outdoor
unit
Discharge (TH4)
°C [°F]
84 [183] 84 [183]
Heat exchanger outlet
(TH3)
-2 [28] -3 [26]
Accumulator inlet -2 [28] -3 [26]
Accumulator outlet -2 [28] -3 [26]
Compressor inlet -2 [28] -3 [26]
Compressor shell bottom 40 [104] 40 [104]
Indoor
unit
LEV inlet 38 [100] 39 [102]
Heat exchanger outlet 80 [176] 80 [176]