Mitsubishi MUX-2A28VB - Indoor Unit; Piping Preparation; Refrigerant System Diagram

21
REFRIGERANT SYSTEM DIAGRAM
8
Indoor unit A
Outdoor unit
MUX-2A28VB- E1
Additional piping max. length 15m
Max. length
difference
10m
Indoor unit B
UNIT A
Indoor
heat
exchanger
Indoor coil
thermistor
RT12
Room
temperature
thermistor
RT11
UNIT B
Indoor
heat
exchanger
Outdoor
heat
exchanger
Indoor coil
thermistor
RT12
Room
temperature
thermistor
RT11
(With insulation)
Refrigerant pipe
[9.52
(With insulation)
Refrigerant pipe
[9.52
Flared connection
(With insulation)
Refrigerant pipe
[6.35
(With insulation)
Refrigerant pipe
[6.35
Flared connection
Stop valve
with service port
Solenoid valve
21R1
Solenoid
valve
21R
Solenoid valve
21R2
Capillary tube
Capillary tube
Capillary tube
Capillary tube
[3.0 x [1.4 x 1000
Compressor
Strainer
#100
Muffler
Refrigerant flow in cooling
Stop valve
with service port
Stop
valve
Stop
valve
[3.0 x [1.6 x 900
[3.0 x [1.4 x 400
[3.0 x [1.4 x 400
Strainer
#100
OUTDOOR UNIT
INDOOR UNIT
MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
PIPING PREPARATION
1 Table below shows the specifications of pipes commercially available.
2 Ensure that the 2 refrigerant pipes are well insulated to prevent condensation.
3 Refrigerant bending radius must be 10cm or more.
MUX-2A28VB-
E1
Unit : mm
Outside diameter Insulation
UNIT No. Pipe
mm thickness
Insulation material
and
UNIT
For liquid 6.35 8 mm Heat resisting foam plastic
For gas 9.52 8 mm 0.045 specific gravity
BA
ADDITIONAL REFRIGERANT CHARGE (R410A:g)
Outdoor unit
precharged
900g
Refrigerant piping length (one way)
10
m
11
m
12
m
13
m
14
m
15
m
16
m
17
m
18
m
19
m
20
m
21
m
22
m
23
m
24
m
25
m
26
m
27
m
28
m
29
m
30
m
0 10 20 30 40 50 60
70 80 90 100 110 120 130 140 150 160 170 180 190 200
unit + unit
BA
UNIT No.
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