MITSUBISHI ELECTRIC MXZ-32SV - Manual (Page 12)

12
REFRIGERANT SYSTEM DIAGRAM 9
Unit:mm
● Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes,refer to the
tables below.
● When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe,see page BACK COVER.
Indoor unit
Extension pipe diameter
class Pipe diameter
Liquid 6.35(1/4) Liquid 6.35(1/4)
07/09
Gas 9.52(3/8) Gas 9.52(3/8)
Liquid 6.35(1/4) Liquid 6.35(1/4)
12(13)
Gas 12.7(1/2) Gas 12.7(1/2)
Liquid 6.35(1/4) Liquid 6.35(1/4)
18
Gas 15.88(5/8) Gas 15.88(5/8)
Outdoor unit union diameter
For
Liquid 6.35(1/4)
Indoor unit A
Gas 12.7(1/2)
Liquid 6.35(1/4)
Indoor unit B
Gas 12.7(1/2)
Liquid 6.35(1/4)
Indoor unit C
Gas 9.52(3/8)
Liquid 6.35(1/4)
Indoor unit D
Gas 9.52(3/8)
Unit : mm (inch)
Piping length each indoor unit (a, b, c, d) 25m
Total piping length (a+b+c+d) 60m
Height difference between units (H) 10m
Bending point for each unit 25
Total bending point 60
❋ It does not matter which unit is higher.
a
b
c
d
Outdoor
unit
Indoor
units
H
H
H
Indoor unit
D Ball valve with
service port
Ball valve with
service port
Distributor
Strainer
Strainer
LEV
Oil
separator
Compressor
High pressure
switch 1
Accumulator Capillary tube
Reversing valve
Discharge
temperature
thermistor
Evaporation
temperature
thermistor
(RT67)
Defrost
thermistor
Strainer Distributor
Outdoor
heat
exchanger
High pressure
switch 2
Unit D gas pipe temperature thermistor
[ 9.52
Indoor unit
C
Unit C gas pipe temperature thermistor
[ 9.52
[ 6
Indoor unit
B
Unit B gas pipe temperature
thermistor
[ 12
Indoor unit
A
Indoor unit
A
Strainer LEV
[ 6
Indoor unit
B
Strainer LEV
[ 6
Indoor unit
C
Strainer LEV
[ 6
Indoor unit
D
Unit A gas pipe
temperature thermistor
[ 12
[ 16
[ 16
[ 9.52
[ 16
Capillary tube
[ 2.5 ✕[ 0.6 ✕ 750
[ 2.5 ✕ [ 0.6 ✕ 1000
Capillary tube
[ 4.0 ✕[ 2.4 ✕ 400
Capillary tube
Capillary tube
Capillary tube
Capillary tube
[ 3.0 ✕[ 2.0 ✕ 200
[ 3.0 ✕[ 2.0 ✕ 200
[ 3.0 ✕[ 2.0 ✕ 200
[ 3.0 ✕[ 2.0 ✕ 200
Refrigerant flow in cooling
Refrigerant flow in heating
Reversing valve coil
heating ON
cooling OFF
MXZ-32SV -
MXZ-32SV -
E2
E1
OB254-1.qxp 03.1.16 4:33 PM Page 12