5
REFRIGERANT SYSTEM DIAGRAM
7
Unit: mm
MUH-GD80VB
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperature
thermistor
RT62
Flared connection
Stop valve
Stop valve
(with service port)
Refrigerant flow in cooling
Compressor
4-way valve
Refrigerant flow in heating
Refrigerant pipe 15.88
(with heat insulator)
Capillary tube
3.6 2.4 50
Refrigerant pipe 9.52
(with heat insulator)
LEV
R.V. coil
heating ON
cooling OFF
Muffler
#100
Strainer
#100
Receiver
Muffler
Ambient
temperature
thermistor
RT63
Strainer
#100
MAX. REFRIGERANT PIPING LENGTH
Piping size O.D: mm
Refrigerant piping: m
Max. length
A
Max. height
B
Gas
Liquid
30
MUH-GD80VB
9.52
15
15.88
Model
Indoor
unit
Outdoor unit
Max. length
A
Max. Height
difference
B
MAX. HEIGHT DIFFERENCE
ADDITIONAL REFRIGERANT CHARGE (R410A: g)
Outdoor unit
precharged
2,400
0
165
440
715
990
1,265
Refrigerant piping length (one way)
15 m
10 m
7 m
Model
MUH-GD80VB
20 m
25 m
30 m
Calculation: Xg = 55 g/m (Refrigerant piping length (m) - 7)