Max. Refrigerant Piping Length And Max. Height Difference; Piping Preparation - Mitsubishi Electric MSC-07RV Service Manual

MSC-07RV-
E1
INDOOR UNIT
Room
temperature
thermistor
RT11
Indoor
heat
UNIT A
exchanger
Indoor coil
thermistor
RT12
Room
temperature
thermistor
RT11
Indoor
heat
UNIT B
exchanger
Indoor coil
thermistor
RT12
MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
ADDITIONAL REFRIGERANT CHARGE (R-22:g)
-
MSX-10RV precharged (g)
E1
unit+ unit
A B

PIPING PREPARATION

1 Table below shows the specifications of pipes commercially available.
UNIT No.
and
UNIT
A B
2 Ensure that the 2 refrigerant pipes are well insulated to prevent condensation.
3 Refrigerant bending radius must be 10cm or more.
Refrigerant pipe
9.52 (3/8)
(option)
(With insulation)
Flared connection
Refrigerant pipe
6.35 (1/4)
(option)
(With insulation)
Stop
valve
Refrigerant pipe
9.52 (3/8)
(option)
(With insulation)
Stop valve
with service port
Flared connection
Stop
valve
Refrigerant pipe
6.35 (1/4)
(option)
(With insulation)
Indoor unit A
MSC-07RV
Outdoor unit
MUX-10RV
E1
Outdoor unit
7m
1000g 0
Pipe
mm
For liquid 6.35
For gas 9.52
Stop valve
with service port
Solenoid valve
21R1
Capillary tube
1.4 x 400
Capillary tube
1.4 x 200
Solenoid valve
21R2
Capillary tube
1.4 x 400
Indoor unit B
MSC-07RV
E1
Additional piping max. length 10m
refrigerant piping length (one way,2unit total)
8m 9m 10m
10 20 30
Outside diameter
inch
1/4
3/8
38
MUX-10RV-
OUTDOOR UNIT
Solenoid valve
21R
Capillary tube
1.6 x 1,000
Compressor
Refrigerant flow
E1
Max. length
difference
5m
11m 12m 13m
40 50 60
Insulation
Insulation material
thickness
8 mm Heat resisting foam plastic
8 mm 0.045 specific gravity
Unit : mm
E1
Outdoor
heat
exchanger
14m 15m
70 80