Part Names And Functions - Mitsubishi Electric EHPT17X-VM2E Service Manual

4

PART NAMES AND FUNCTIONS

<E**T***-*M**E>
(Packaged model system)
9
B
D
C
F
E
7
2
1
4
15
11
12
13
14
Note:
For installation of all E**T***-*M*EE* models, make sure to install a suitably sized primary-side expansion vessel. (See figure 8.1 - 8.4 and 10.6.1 for further guidance)
No. Part name
A DHW outlet pipe
B Cold water inlet pipe
C Water pipe (Space heating/cooling return connection)
D Water pipe (Space heating/cooling flow connection)
E Water pipe (Flow from heat pump connection)
F Water pipe (Return to heat pump connection)
G Refrigerant pipe (Gas)
H Refrigerant pipe (Liquid)
1 Control and electrical box
2 Main remote controller
3 Plate heat exchanger (Refrigerant - Water)
4 Booster heater 1, 2
5 3-way valve
6 Drain cock (Primary circuit)
7 Manometer
8 Pressure relief valve (3 bar)
9 Automatic air vent
10 Expansion vessel (Primary circuit)
11 Flow sensor
12 Magnetic filter
13 Water circulation pump 1 (Primary circuit)
*1 Supplied with UK model ONLY. Please refer to PAC-WK02UK-E Installation Manual for more information on accessories.
OCH814A
(Split model system)
21
A
G
H
7
2
1
26
4
27
15
18
11
19
29
12
17
3
22
13
23
14
16
30 6
No.
14 Pump Elbow
15 DHW tank
16 Plate heat exchanger (Water - Water)
17 Scale trap
18 Water circulation pump (Sanitary circuit)
19 Immersion heater *1
20 Temperature and pressure relief valve *1
21 Pressure relief valve (10 bar) (DHW Tank)
22 Drain cock (DHW tank)
23 Drain cock (Sanitary circuit)
24 Thermistor (Flow water temp.) (THW1)
25 Thermistor (Return water temp.) (THW2)
26 Thermistor (DHW tank upper water temp.) (THW5A)
27 Thermistor (DHW tank lower water temp.) (THW5B)
28 Thermistor (Ref. liquid temp.) (TH2)
29 Pressure sensor
30 Drain pan
31 Outdoor unit
32 Drain pipe (Local supply)
33 Back flow prevention device (Local supply)
34 Isolating valve (Local supply)
(Split model 2-zone system)
21
9
A
B
D
C
8
26
27
18
17
22
23
16
6
30
<Figure 4.1>
Part name
<Table 4.1>
10
21
8 A
B
G
H
C
7
2
1
42
4
15
29
3
13
14
16
30 6
No. Part name
35 Magnetic filter (Local supply) (Recommended)
36 Strainer (Local supply)
37 Pressure relief valve (3 bar - In outdoor unit)
38 Inlet control group *1
39 Filling loop (Ball valves, check valves and flexible
hose) *1
40 Potable expansion vessel *1
41 Air vent (Local supply)
42 Pressure relief valve (5 bar)
43 Water circulation pump 2 (Zone 1)
44 Water circulation pump 3 (Zone 2)
45 Mixing valve
46 Magnetic filter
47 Mud trap
48 Thermistor (Zone 1 flow water temp.) (THW6)
49 Thermistor (Zone 1 return water temp.) (THW7)
50 Thermistor (Zone 2 flow water temp.) (THW8)
51 Thermistor (Zone 2 return water temp.) (THW9)
52 Header
D
9
26
27
18
11
17
22
23