ENGLISH
5.1.2 YUTAKI S COMBI
RAS-(2-3)WHVNP + RWD-(2.0-3.0)NW(S)E-(200/260)S(-K)
Nº Part name
1
Compressor
2
Air side heat exchanger
3
Accumulator
4
OU electronic expansion valve
5
4-way valve
6
OU refrigerant strainer
7
Distributor
8
Refrigerant check joint
9
High pressure switch for protection
10
Pressure switch for control
11
Stop valve for gas line
Nº Part name
12
Stop valve for liquid line
13
Ambient thermistor
14
Discharge gas thermistor
15
Pipe thermistor
16
OU refrigerant gas connection
17
OU refrigerant liquid connection
18
IU electronic expansion valve
19
IU refrigerant strainer
20
Water side heat exchanger
21
Manometer
22
Safety valve
Nº Part name
23
Drain pipe
24
Low pressure switch
25
Air valve for pressure regulation of
expansion vessel
26
Expansion vessel
27
Water electric heater
28
Air purger
29
3-way valve
30
T-branch
31
Drain port (For DHW)
32
Domestic hot water tank
Nº Part name
33
Water strainer
34
Water pump
35
Drain port (For indoor unit water)
36
Manual air purger
37
IU refrigerant gas connection
38
IU refrigerant liquid connection
39
Water inlet (DHW)
40
Water outlet (DHW)
41
Water inlet (Space heating)
42
Water outlet (Space heating)
43
Shut-off valve (Accessory)
Nº Part name
44
IU refrigerant gas pipe thermistor
45
IU refrigerant liquid pipe thermistor
46
Water inlet thermistor
47
PHEX water outlet thermistor
48
Water outlet heat pump thermistor
49
DHW thermistor
50
Solar coil inlet (For solar models)
51
Solar coil outlet (For solar models)
52
P & T relief valve (For UK market)
53
DHWT sensor (For UK market)
Refrigerant
Heating refrigerant ow Cooling refrigerant ow Water ow (Heating/Cooling) Field supplied piping line Flare nut connection Brazed connection R410A
Outdoor unit
YUTAKI
S COMBI
? NOTE
(*): Use refrigerant pipe adapters factory supplied
with the outdoor unit:
Model
Pipe adapter
Gas pipe Liquid pipe
2 HP Ø15.88→Ø12.7 -
2.5 HP Ø15.88→Ø12.7 Ø9.52→Ø6.35
REFRIGERANT CYCLE AND HYDRAULIC CIRCUIT
PMML0335A rev.1 - 04/2016
79
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