10
Unit: mm
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperature
thermistor
RT62
Flared connection
Stop valve
(with strainer)
Refrigerant flow in cooling
Compressor
4-way valve
Refrigerant flow in heating
Refrigerant pipe ø9.52
(with heat insulator)
Refrigerant pipe ø6.35
(with heat insulator)
R.V. coil
heating ON
cooling OFF
Strainer
#100
LEV
Ambient
temperature
thermistor
RT65
Muffler
Capillary tube
ø3.0×ø2.0×150
Capillary tube
ø3.0×ø2.0×100
Outdoor heat
exchanger
temperature
thermistor
RT68
Stop valve
(with service port)
Muffler
REFRIGERANT SYSTEM DIAGRAM
8
MUZ-AP20VG
Max. Length
A
Max. Height
difference
B
Indoor
unit
Outdoor unit
MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
Model
Refrigerant piping: m
Piping size O.D: mm
Max. Length A
Max. Height difference B
Gas
Liquid
MUZ-AP20VG
20
12
9.52
6.35
ADDITIONAL REFRIGERANT CHARGE (R32: g)
Model
Outdoor unit
precharged
Refrigerant piping length (one way)
7 m
8 m
9 m
10 m
11 m
12 m
13 m
14 m
15 m
20 m
MUZ-AP20VG
550
0
20
40
60
80
100
120
140
160
260
Calculation: X g = 20 g/m × (Refrigerant piping length (m) – 7)
NOTE:
Refrigerant piping exceeding 7 m requires additional refrigerant charge according to the calculation.
OBH839A
Содержание MUZ-AP20VG
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