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[ VIII Test Run Mode ]
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HWE09080 GB
(2) Heating operation
Item
Heat source unit model
PQHY-P72YHMU-A PQHY-P96YHMU-A
Operating
conditions
Indoor temperature DB/WB 21.1°C/- [70°F/-] 21.1°C/- [70°F/-]
Heat source water temperature °C [ °F] 21.1[70] 21.1[70]
Heat source water flow rate
m
3
/h
[G/h]
[gpm]
5.76
[1522]
[25.4]
5.76
[1522]
[25.4]
Indoor
unit
No. of connected units
Unit
22
No. of units in operation 2 2
Model - 36/36 48/48
Pipe
length
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
Refrigerant charge
kg
[lbs-oz] 11.8 [27] 13.0 [29]
Heat source
unit
Current A 18.6 25.2
Voltage V 230 230
Compressor frequency Hz 60 72
LEV opening
Indoor unit
Pulse
332/332 406/406
SC (LEV1) 0 0
LEV2 1400 1400
Pressure
switch
High pressure (after O/S)/
Low pressure (before accumulator)
MPa
[psi] 2.64/0.80 [383/116] 2.90/0.80 [421/116]
Sectional
temperatures
Heat
source
unit
Discharge (TH4)
°C [°F]
73 [163] 80 [176]
Heat exchanger outlet 5 [41] 5 [41]
Accumulator inlet 4 [39] 4 [39]
Accumulator outlet 4 [39] 4 [39]
Compressor inlet 4 [39] 4 [39]
Compressor shell bottom 40 [104] 40 [104]
Indoor
unit
LEV inlet 37 [99] 38 [100]
Heat exchanger inlet 70 [158] 70 [158]