Mitsubishi Electric Mr. SLIM MSZ-FA25VA Technical Manual página 258

Esquemas frigorífi cos
MUZ-HC25VA
MUZ-HC35VA
MUZ-HC35VAB
Refrigerant pipe [ 9.52
(with heat insulator)
Flared connection
Flared connection
Refrigerant pipe [ 6.35
(with heat insulator)
MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
Model
MUZ-HC25VA
MUZ-HC35VA
MUZ-HC35VAB
Indoor
unit
Max. Height
difference
ADDITIONAL REFRIGERANT CHARGE (R410A:g)
Outdoor unit
Model
MUZ-HC25VA
MUZ-HC35VA
MUZ-HC35VAB
NOTE: Refrigerant piping exceeding 7 m requires additional refrigerant charge according to the calculation.
258
Muffler
Stop valve
(with service port)
Stop valve
(with strainer)
Refrigerant piping : m
Max. length
A
10
B
Max. length
A
Refrigerant piping length (one way)
precharged
5m 6m
730
0 0
750
Calculation : Xg=30 g/m ✕ (Refrigerant piping length (m)–5)
4-way valve
Muffler
Discharge
temperature
thermistor
RT62
Compressor
Defrost
thermistor
RT61
Capillary tube
[ 3.0o[ 1.4o450 (MUZ-HC25)
[ 3.0o[ 1.4o235 (MUZ-HC35)
Check Capillary tube
valve
[ 3.0o[ 1.4o800 (MUZ-HC25)
[ 3.0o[ 1.4o600 (MUZ-HC35)
Max. Height difference
B
5
Outdoor unit
7m
8m 9m 10m
0 90 120 150
Outdoor
heat
exchanger
Strainer
R.V. coil
heating ON
cooling OFF
Refrigerant flow in cooling
Refrigerant flow in heating
Piping size O.D : mm
Gas
9.52
Unit:mm
Liquid
6.35