REFRIGERANT SYSTEM DIAGRAM
10
8
Outside diameter
Insulation
UNIT No.
Pipe
mm
thickness
Insulation material
and
UNIT
For liquid
6.35
8 mm
Heat resisting foam plastic
UNIT
For gas
9.52
8 mm
0.045 specific gravity
UNIT
For gas
12.7
8 mm
A
B
B
A
MSC-07RV
Indoor unit B
E3
MUX-19TV
Outdoor unit
Additional piping max. length 15m
E1
MSC-12RV
Indoor unit A
E3
L
L
H
H
OUTDOOR UNIT
INDOOR UNIT
UNIT A
Indoor
heat
exchanger
Indoor coil
thermistor
RT12
Room
temperature
thermistor
RT11
Outdoor
heat
exchanger
(With insulation)
Refrigerant pipe
{
12.7
{
9.52
(With insulation)
Refrigerant pipe
{
6.35
Flared connection
Stop valve
with service port
Stop valve
Capillary tube
{
3.0
✕
{
1.6
✕
660
Compressor(MC1)
MSC-12RV
E3
UNIT B
Indoor
heat
exchanger
Indoor coil
thermistor
RT12
Room
temperature
thermistor
RT11
(With insulation)
Refrigerant pipe
(With insulation)
Refrigerant pipe
{
6.35
Flared connection
Stop valve
with service port
Stop valve
Capillary tube
{
3.0
✕
{
1.4
✕
810
Compressor(MC2)
MSC-07RV
E3
MSC-07RV-
MSC-12RV-
E3
E3
MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
ADDITIONAL REFRIGERANT CHARGE (R22:g)
PIPING PREPARATION
1
Table below shows the specifications of pipes commercially available.
MUX-19TV-
E1
2
Ensure that the 2 refrigerant pipes are well insulated to prevent condensation.
3
Refrigerant bending radius must be 10cm or more.
0
15
30
45
60
75
90
105
120
7m
Refrigerant piping length (one way)
A
UNIT
B
UNIT
Outdoor unit
precharged (g)
870
8m
9m
10m
11m
12m
13m
14m
15m
1,000
Unit: mm
Max. limits
UNIT No.
,
B
A
Pipe length
15m
L
Height difference (H)
10m
No. of bends
10
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