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HWE09080 GB
2. 2-unit combination<PQHY>
(1) Cooling operation
Item
2-unit combination
PQHY-P144YSHMU-A
PQHY-P72YHMU-A PQHY-P72YHMU-A
Operating
conditions
Indoor temperature DB/WB 26.7°C/19.4°C[80°F/67°F]
Heat source water temperature °C [ °F] 29.4[85]
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
4
No. of units in operation 4
Model - 36/36/36/36
Pipe
length
Main pipe
m [ft]
5 [16-3/8]
Branch pipe 10 [32-3/4]
Total pipe length 45 [148]
Fan speed - Hi
Refrigerant charge
kg
[lbs-oz] 20.3 [45]
Heat source
unit
Current A 42.3
Voltage V 230
Compressor frequency Hz 66 66
LEV opening
Indoor unit
Pulse
325/325/325/325
SC (LEV1) 80 80
LEV2 1400 1400
Pressure
switch
High pressure (after O/S)/
Low pressure (before accumulator)
MPa
[psi] 2.20/0.81 [319/117] 2.20/0.81 [319/117]
Sectional
temperatures
Heat
source
unit
Discharge (TH4)
°C [°F]
65 [149] 65 [149]
Heat exchanger outlet 33 [91] 33 [91]
Accumulator inlet 8 [46] 8 [46]
Accumulator outlet 8 [46] 8 [46]
Compressor inlet 19 [66] 19 [66]
Compressor shell bottom 47 [117] 47 [117]
Indoor
unit
LEV inlet 19 [66]
Heat exchanger outlet 6 [43]