18
MSH-30RV -
E1
MUH-30RV -
E1
INDOOR UNIT
OUTDOOR UNIT
Unit:mm
Indoor
heat
exchanger
Outdoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Indoor coil
thermistor
RT13(sub)
Defrost
thermistor
RT61
Discharge
thermistor
RT62
Flared connection
Stop valve
Stop valve
(with service port)
Capillary tube
[
4.2
✕
[
3.0
✕
50
Refrigerant flow in cooling
Compressor
Muffler
4-way valve
Refrigerant flow in heating
Refrigerant pipe
[
15.88
(with heat insulator)
Refrigerant pipe
[
9.52
(with heat insulator)
Indoor coil
thermistor
RT12(main)
LEV
R.V. coil
heating ON
cooling OFF
Strainer
Strainer
Strainer
Check
valve
Accumulator
Ambient
temperature
thermistor
RT63
Strainer
Capillary tube
[
4.2
✕
[
3.0
✕
50
Model
Piping size O.D : mm
Length of connecting pipe : m
Refrigerant piping
Max. length : m
A
15
30
Indoor unit
Gas 0.43
Liquid 0.5
Gas
15.88
Liquid
6.35
9.52
Outdoor unit
Gas 0
Liquid 0
MSH-18RV -
E1
MUH-18RV -
E1
MSH-24RV -
E1
MUH-24RV -
E1
MSH-30RV -
E1
MUH-30RV -
E1
MUH-18RV -
E2
Indoor
unit
w
Max. Height
difference: 5m
(MSH-18/24RV)/
15m (MSH-30RV)
A
Refrigerant Piping
Max. Length
w
Height difference should be within 5m (MSH-18/24RV) / 15m (MSH-30RV)
regardless of which unit, indoor or outdoor position is high.
Outdoor unit
MAX. HEIGHT DIFFERENCE
MAX. REFRIGERANT PIPING LENGTH
OB272-1.qxp 02.1.26 1:22 PM Page 18