Refrigerant System Diagram - Mitsubishi Electric MCF-13NV-E3 Service Manual

7

REFRIGERANT SYSTEM DIAGRAM

MCF-13NV -
E3
INDOOR UNIT
Indoor
heat
exchanger
Indoor coil
Distributor
thermistor
RT12
Room
temperature
thermistor
RT11
MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
Model
MCF-13NV -
E3
MAX. HEIGHT DIFFERENCE
Height difference should be within
5m regardless of which unit,
indoor or outdoor position is high.
ADDITIONAL REFRIGERANT CHARGE (R-22 : g)
Model
MCF-13NV -
E3
Refrigerant pipe
[12.7
(option)
(With heat insulation)
Flared
connection
Refrigerant pipe
[6.35
(option)
(With heat insulation)
Length : m (ft)
A
15(49)
Outdoor unit precharged
850
Stop valve
(with service port)
Compressor
Stop valve
Capillary tube
[3.0 [1.6
Piping size O.D : mm(in.)
Gas
[12.7(1/2)
A: Refrigerant piping
Max.length
15m(49ft)
Refrigerant piping length (one way)
7m 8m 9m 10m
0 15 30
8
MUCF-13NV -
OUTDOOR UNIT
Outdoor
heat
exchanger
Strainer
300
Refrigerant flow in cooling
Liquid
[6.35(1/4)
11m 12m 13m
45 60 75 90
Calculation : Xg=15g/mx(A-7)m
Unit:mm
E3
14m 15m
120
105