Mitsubishi Electric PUHZ-W50VHA Technical Manual page 12

[ 4 ] Capacity correction curves (Refrigerant pipng length)
Cooling and heating capacity is lowered according to pipe length. Capacity can be obtained by referring to the capacity curves
below.
100
95
90
85
80
75
Note: The permitted pipe length is up to 55m for RP 60, 71 model.
The permitted pipe length is up to 80m for HRP71 and 100~ 140 model.
70
5 10 15
[ 5 ] Refrigerant circuit diagram (Representative pattern)
PUHZ-HRP • V/Y HA2 + Plate HEX (ACH50) + FTC (TH1/2)
Refrigerant
GAS pipe
Thermistor TH1
connection
(Outlet water)
(5/8 inch)
Water OUT
Plate HEX
Refrigerant
LIQUID pipe
Water IN
connection
(3/8 inch)
Thermistor TH2
(Liquid pipe)
Stop valve
(with service port)
20 25 30 35 40
Corrected pipe length [m]
Ball valve
Strainer
#50
Charge plug
(Low pressure)
Strainer
#100
Linear
expansion valve B
Power
receiver
Strainer
Linear
#100 expansion valve C
Cooling 60 models
45 50 55 60 65
P-sensor
Solenoid valve
(Four-way valve)
Charge plug
(High pressure)
Muffler
High pressure
switch 63H
Low pressure
switch 63L
Thermistor
TH32
(Outdoor pipe)
Strainer
Thermistor TH4
#100
(Discharge)
Strainer
#100
Compressor
Heat interchange circuit
12
Heating
Cooling 71 model
Cooling 100 model
Cooling 125 model
Cooling 140 model
70 75 80
Thermistor TH7
(Outdoor)
Heat exchanger
Distributor
Thermistor TH33
(Outdoor pipe)
Strainer
#100
Linear expansion valve A
Injection port
Restrictor
valve
Refrigerant flow in cooling
Refrigerant flow in heating
Cooling
Heating
Thermistor
TH6
(Outdoor
2-phase pipe)
Thermistor TH3
(Outdoor pipe)
Bypass
valve
Replace
filter
Strainer
#100