Mitsubishi MCFH-24NV - Page 15

15
INDOOR UNIT
MCFH-24NV-
E3
OUTDOOR UNIT
MUCFH-24NV-
E3
Indoor
heat
exchanger
Outdoor
heat
exchanger
Distributor
Flared connection
Room temperature
thermistor
RT11
Coil temperature
thermistor
RT12
Flared connection
Check
valve
Stop valve
(with service port)
Stop valve
Strainer
Capillary tube
Capillary tube
Capillary tube
[4.0o[2.4o200
Discharge pressure
regurator
Check
valve
Refrigerant flow in cooling
Compressor
Accumulator
Strainer
Muffler
4-way valve
Refrigerant flow in heating
Refrigerant pipe [15.88
(with heat insulator)
Refrigerant pipe
[9.52
(with heat insulator)
[3.0o[1.6o350
[3.0o[2.0o350
R.V.coil
heating ON
cooling OFF
Models
A: Refrigerant piping Max.length 15m
W Max. Height
difference
5m
MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
MCFH-13NV -
MCFH-18NV -
MCFH-24NV -
E3
E3
E4
Refrigerant piping MAX. length :mm
A
15
Piping size O.D. : mm
Gas
Liquid
{12.7
{6.35
{15.88
wIt does not matter which unit is higher.
Models
MCFH-13NV -
MCFH-18NV -
MCFH-24NV -
E3
E3
E4
Outdoor unit:precharged
(up to 7m)
1,350
1,800
Refrigerant piping length (one way)
7m
0
8m
50
9m
100
10m
150
11m
200
12m
250
13m
300
14m
350
15m
400
Calculation : (MCFH-13/18NV)✕g=50g/m✕(Refrigerant piping length (m)-7)
(MCFH-24NV)✕g=65g/m✕(Refrigerant piping length (m)-7)
If pipe length exceeds 7m, additional refrigerant (R22) charge is required
ADDITIONAL REFRIGERANT CHARGE (R22 : g)
{9.52
2,400
65
130
195 260
325
390 455 520
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