EHPT20X-VM2HB SP

CYLINDER UNIT
January 2013
No. OCB531
REVISED EDITION-A
PARTS CATALOG
R410A
[Model name]
[Service Ref.]
EHST20C-VM6HB
EHST20C-VM6HB.UK
EHST20C-YM9HB.UK
EHST20C-TM9HB.UK
EHST20C-VM2B.UK
EHST20C-VM6B.UK
EHST20C-YM9B.UK
EHST20C-VM6EB.UK
EHST20C-YM9EB.UK
EHST20C-VM6SB.UK
EHPT20X-VM2HB.UK
EHPT20X-VM6HB.UK
EHPT20X-YM9HB.UK
EHPT20X-TM9HB.UK
EHPT20X-VM6B.UK
EHPT20X-YM9B.UK
EHST20C-YM9HB
EHST20C-TM9HB
EHST20C-VM2B
EHST20C-VM6B
EHST20C-YM9B
EHST20C-VM6EB
EHST20C-YM9EB
EHST20C-VM6SB
EHPT20X-VM2HB
EHPT20X-VM6HB
EHPT20X-YM9HB
EHPT20X-TM9HB
EHPT20X-VM6B
EHPT20X-YM9B
Revision:
• EHST20C-TM9HB.UK,
EHST20C-VM2B.UK and
EHPT20X-TM9HB.UK
have been added in
REVISED EDITION-A.
• Some descriptions have
been modified.
• Please void OCB531.
Note:
• RoHS compliant products
have <G> mark on the
spec name plate.
CONTENTS
1. RoHS PARTS LIST .............................. 2
2. OPTIONAL PARTS ............. Back cover
SERVICE MANUAL (OCH531)
CYLINDER UNIT
MAIN CONTROLLER
1
RoHS PARTS LIST
EHST20C-VM6HB.UK
EHST20C-YM9HB.UK
EHST20C-TM9HB.UK
EHST20C-VM2B.UK
EHST20C-VM6B.UK
EHST20C-YM9B.UK
1
4
5
26
2
3
6
3
27
7
25
8
24
9
23
10
3
11
21
22
10
20
12
13
14
19
15
18
16
3
17
15
OCB531A
2
RoHS PARTS LIST
EHST20C-YM9HB.UK
EHST20C-TM9HB.UK
EHST20C-VM2B.UK
EHST20C-VM6B.UK
EHST20C-YM9B.UK
G S70 C18 404 PRESSURE RELIEF VALVE 3bar
1
1
1
1
1
1
G S70 C60 096 FLARE JOINT
3/8F-R1/2
1
1
1
1
1
1
3
G S70 C50 096 FLARE JOINT
3/8F-G3/8
4
4
4
4
4
4
4
G S70 C17 150 AIR VENT (AUTOMATIC)
1
1
1
1
1
1
6 years
1
1
1
1
1
1
6 years
1
1
1
1
1
1
Part No.
Parts name
5
G S70 C20 205 MANOMETER
6
G S70 C15 402 EXPANSION VESSEL
7
Specification
1
2
No.
RoHS
EHST20C-VM6HB.UK
Q'ty/unit
12L
G S70 C30 239 EARTH LEAKAGE CIRCUIT BREAKER 1
40A
G S70 C40 239 EARTH LEAKAGE CIRCUIT BREAKER 3
20A
G S70 C50 239 EARTH LEAKAGE CIRCUIT BREAKER 3
30A
G S70 C20 239 EARTH LEAKAGE CIRCUIT BREAKER 1
20A
1
Remarks
6 years
1
1
ECB1
1
ECB1
1
1
1
ECB1
1
1
ECB1, ECB2
1
1
1
G S70 C29 708 CONTACTOR
45A
1
G S70 C39 708 CONTACTOR
30A
3
4
3
2
2
3
1
1
1
1
1
1 BK00L813GA0
10 G S70 C10 356 PUMP VALVE
2
2
2
2
2
2
11 G S70 C03 355 WATER PUMP
1
1
1
1
1
1
8
9
12
G
—
PUMP FRAME ASSY
G S70 C80 441 BOOSTER HEATER
1
230V 6 kW 1
G S70 C90 441 BOOSTER HEATER
3
400V 9 kW
G S70 C71 441 BOOSTER HEATER
3
230V 9 kW
G S70 C70 441 BOOSTER HEATER
1
230V 2 kW
13 G
—
BHCP
BHCP, BHC1,
BHC2, IHC
MP1
1
1
20,000 hrs
(3 years)(*)
BH1, BH2
1
BH1, BH2
1
BH1, BH2
1
BH1
1
1
1
1
1
1 BK00L667G03
14 G S70 C20 601 FLEXIBLE HOSE
1
1
1
1
1
1
15 G S70 C30 357 DRAIN COCK
2
2
2
2
2
2
16 G S70 C22 266 FLOW SWITCH
1
1
1
1
1
1
WATER COIL ASSY
17 G S70 C30 408
(PLATE HEAT EXCHANGER)
1
1
1
1
1
1
18 G S70 C10 450 STRAINER
1
1
1
1
1
19 G S70 C10 357 DRAIN COCK
1
1
1
1
1
WITH PIPE &
FLEXIBLE HOSE
MESH: 24 WIRE
1 DIAMETER:
0.29mm
1 FOR TANK
20 G S70 C40 601 FLEXIBLE HOSE
1
1
1
1
1
1
6 years
21 G S70 C25 150 AIR VENT (MANUAL)
1
1
1
1
1
1
6 years
3WAY VALVE
22 G S70 C23 762
(DIVERTING MOTOR)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 (#250LNE+S123)
23 G S70 C24 406
HEATER STAY
Required
regular
Wiring
replacement
diagram
(
symbol *: Required
regular
inspection)
3WAY VALVE
(DIVERTING VALVE)
24 G S70 C20 515 TERMINAL BED
6P
6 years
FOR PRIMARY
CIRCUIT
25 G
—
TANK CUSHION TOP
1
1
1
1
1
1 BX25A154G04
26 G
—
EXPANSION VESSEL CUSHION
1
1
1
1
1
1 BX25A155G03
27 G
—
MOTOR CAP
1
1
1
1
1
1 BK25J773G01-JP
28 G S70 C11 460 O-RING
1
1
1
1
1
1 FOR STRAINER
29 G S70 C22 460 O-RING
1
1
1
1
1
1 FOR FLOW SWITCH
Parts number that is circled is not shown in the figure.
Do not reuse the O-ring for flow switch and strainer that was once removed, but be sure to replace with a new one.
OCB531A
3
6 years
3WV
RoHS PARTS LIST
EHST20C-VM6EB.UK
EHST20C-YM9EB.UK
1
4
5
2
25
3
26
6
24
7
23
8
22
9
21
3
10
20
9
19
11
12
13
18
14
17
15
3
16
14
OCB531A
4
RoHS PARTS LIST
EHST20C-YM9EB.UK
1
1
3/8F-R1/2
1
1
3/8F-G3/8
3
3
S70 C17 150 AIR VENT (AUTOMATIC)
1
1
6 years
G
S70 C20 205 MANOMETER
1
1
6 years
G
S70 C30 239 EARTH LEAKAGE CIRCUIT BREAKER 1
40A
G
S70 C40 239 EARTH LEAKAGE CIRCUIT BREAKER 3
20A
G
S70 C29 708 CONTACTOR
45A
1
G
S70 C39 708 CONTACTOR
30A
2
3
1
1
RoHS
No.
EHST20C-VM6EB.UK
Q'ty/unit
Part No.
Parts name
PRESSURE RELIEF VALVE
3bar
1
G
S70 C18 404
2
G
S70 C60 096 FLARE JOINT
3
G
S70 C50 096 FLARE JOINT
4
G
5
6
7
S70 C10 356 PUMP VALVE
2
2
10
G
S70 C03 355 WATER PUMP
1
1
G
S70 C80 441 BOOSTER HEATER
1
230V 6 kW
G
S70 C90 441 BOOSTER HEATER
3
400V 9 kW
13
G
HEATER STAY
S70 C20 601 FLEXIBLE HOSE
6 years
ECB1
BHCP
G
—
symbol
1
9
G
diagram
Required
regular
replacement
(*: Required
regular
inspection)
ECB1
G
12
PUMP FRAME ASSY
Remarks
1
8
11
—
Specification
Wiring
BHCP, BHC1,
BHC2
BK00L813GA0
MP1
1
20,000 hrs
(3 years)(*)
BH1, BH2
1
1
1
1
1
BH1, BH2
BK00L667G03
6 years
FOR PRIMARY
CIRCUIT
14
G
S70 C30 357 DRAIN COCK
2
2
15
G
S70 C22 266 FLOW SWITCH
1
1
16
G
S70 C30 408
1
1
17
G
S70 C10 450 STRAINER
1
1
18
G
S70 C10 357 DRAIN COCK
1
1
19
G
S70 C40 601 FLEXIBLE HOSE
1
1
6 years
20
G
S70 C25 150 AIR VENT (MANUAL)
1
1
6 years
21
G
3WAY VALVE (DIVERTING
S70 C23 762
MOTOR)
1
1
22
G
S70 C24 406
3WAY VALVE (DIVERTING
VALVE)
1
1
23
G
S70 C20 515 TERMINAL BED
1
1
(#250LNE+S123)
24
G
—
TANK CUSHION TOP
1
1
BX25A154G04
25
G
—
EXPANSION VESSEL CUSHION
1
1
BX25A155G03
26
G
—
MOTOR CAP
1
1
BK25J773G01-JP
27
G
S70 C11 460 O-RING
1
1
FOR STRAINER
28
G
S70 C22 460 O-RING
1
1
FOR FLOW SWITCH
WATER COIL ASSY
(PLATE HEAT EXCHANGER)
6P
WITH PIPE &
FLEXIBLE HOSE
MESH: 24
WIRE DIAMETER:
0.29mm
FOR TANK
3WV
Parts number that is circled is not shown in the figure.
Do not reuse the O-ring for flow switch and strainer that was once removed, but be sure to replace with a new one.
OCB531A
5
6 years
RoHS PARTS LIST
EHST20C-VM6SB.UK
1
4
5
25
2
3
6
26
3
7
24
8
23
9
22
10
21
3
11
20
10
12
13
19
14
18
15
16
3
17
15
OCB531A
6
RoHS PARTS LIST
Wiring
diagram
symbol
Required
regular
replacement
(*: Required
regular
inspection)
No.
RoHS
EHST20C-VM6SB.UK
Q'ty/unit
Part No.
1
G
S70 C18 404
2
G
S70 C60 096 FLARE JOINT
3/8F-R1/2
1
3
G
S70 C50 096 FLARE JOINT
3/8F-G3/8
4
4
G
S70 C17 150 AIR VENT (AUTOMATIC)
1
6 years
5
G
S70 C20 205 MANOMETER
1
6 years
6
G
S70 C15 402 EXPANSION VESSEL
7
G
S70 C30 239 EARTH LEAKAGE CIRCUIT BREAKER 1
1
ECB1
G
S70 C29 708 CONTACTOR
45A
1
BHCP
G
S70 C39 708 CONTACTOR
30A
2
BHC1, BHC2
8
—
Parts name
Specification
PRESSURE RELIEF VALVE
3bar
Remarks
1
12L
40A
1
9
G
10
G
S70 C10 356 PUMP VALVE
2
11
G
S70 C03 355 WATER PUMP
1
MP1
12
G
S70 C80 441 BOOSTER HEATER
1
BH1, BH2
13
G
14
G
S70 C20 601 FLEXIBLE HOSE
1
15
G
S70 C30 357 DRAIN COCK
2
16
G
S70 C22 266 FLOW SWITCH
1
17
G
S70 C30 408
18
G
S70 C10 450 STRAINER
1
19
G
S70 C10 357 DRAIN COCK
1
20
G
S70 C25 150 AIR VENT (MANUAL)
1
21
G
S70 C23 762 3WAY VALVE (DIVERTING MOTOR)
1
22
G
S70 C24 406 3WAY VALVE (DIVERTING VALVE)
1
23
G
S70 C20 515 TERMINAL BED
24
G
—
25
G
26
G
27
G
28
G
—
PUMP FRAME ASSY
6 years
1
1
HEATER STAY
230V 6 kW
1
WATER COIL ASSY
(PLATE HEAT EXCHANGER)
1
6P
BK00L813GA0
BK00L667G03
6 years
FOR PRIMARY CIRCUIT
FOR TANK
6 years
3WV
(#250LNE+S123)
TANK CUSHION TOP
1
BX25A154G04
—
EXPANSION VESSEL CUSHION
1
BX25A155G03
—
MOTOR CAP
1
BK25J773G01-JP
S70 C11 460 O-RING
1
FOR STRAINER
S70 C22 460 O-RING
1
FOR FLOW SWITCH
Parts number that is circled is not shown in the figure.
Do not reuse the O-ring for flow switch and strainer that was once removed, but be sure to replace with a new one.
7
6 years
WITH PIPE &
FLEXIBLE HOSE
MESH: 24
WIRE DIAMETER:
0.29mm
1
OCB531A
20,000 hrs
(3 years)(*)
RoHS PARTS LIST
EHPT20X-VM2HB.UK
1
4
5
24
2
3
6
25
3
7
23
8
22
9
21
10
20
3
11
19
10
18
12
13
17
14
16
15
3
14
OCB531A
8
RoHS PARTS LIST
Part No.
Parts name
Specification
PRESSURE RELIEF VALVE
3bar
EHPT20X-VM2HB.UK
No.
RoHS
Q'ty/unit
Wiring
Remarks
diagram
symbol
1
G S70 C18 404
2
G S70 C60 096 FLARE JOINT
3/8F-R1/2
1
3
G S70 C50 096 FLARE JOINT
3/8F-G3/8
4
4
G S70 C17 150 AIR VENT (AUTOMATIC)
1
6 years
5
G S70 C20 205 MANOMETER
1
6 years
6
G S70 C15 402 EXPANSION VESSEL
7
G S70 C20 239 EARTH LEAKAGE CIRCUIT BREAKER 1
8
G S70 C39 708 CONTACTOR
9
G
10
G S70 C10 356 PUMP VALVE
2
11
G S70 C03 355 WATER PUMP
1
MP1
12
G S70 C70 441 BOOSTER HEATER
1
BH1
13
G
14
—
—
1
Required
regular
replacement
(*: Required
regular
inspection)
12L
20A
30A
PUMP FRAME ASSY
1
2
ECB1, ECB2
3
BHCP, BHC1,
IHC
1
1
230V 2 kW
HEATER STAY
6 years
BK00L813GA0
20,000 hrs
(3 years)(*)
1
BK00L667G03
G S70 C30 357 DRAIN COCK
2
FOR PRIMARY CIRCUIT
15
G S70 C22 266 FLOW SWITCH
1
16
G S70 C10 450 STRAINER
1
MESH: 24
WIRE DIAMETER:
0.29mm
17
G S70 C10 357 DRAIN COCK
1
FOR TANK
18
G S70 C40 601 FLEXIBLE HOSE
1
6 years
19
G S70 C25 150 AIR VENT (MANUAL)
1
6 years
20
G S70 C23 762 3WAY VALVE (DIVERTING MOTOR)
1
21
G S70 C24 406 3WAY VALVE (DIVERTING VALVE)
22
G S70 C20 515 TERMINAL BED
23
G
—
24
G
25
G
26
27
3WV
1
6P
1
(#250LNE+S123)
TANK CUSHION TOP
1
BX25A154G04
—
EXPANSION VESSEL CUSHION
1
BX25A155G03
—
MOTOR CAP
1
BK25J773G01-JP
G S70 C11 460 O-RING
1
FOR STRAINER
G S70 C22 460 O-RING
1
FOR FLOW SWITCH
Parts number that is circled is not shown in the figure.
Do not reuse the O-ring for flow switch and strainer that was once removed, but be sure to replace with a new one.
OCB531A
9
6 years
RoHS PARTS LIST
EHPT20X-VM6HB.UK
EHPT20X-YM9HB.UK
EHPT20X-TM9HB.UK
EHPT20X-VM6B.UK
EHPT20X-YM9B.UK
1
4
5
24
2
3
6
25
3
7
23
8
22
9
21
10
20
3
11
19
10
18
12
13
17
14
16
15
3
14
OCB531A
10
RoHS PARTS LIST
EHPT20X-VM6B.UK
EHPT20X-YM9B.UK
1
1
1
1
1
3/8F-R1/2
1
1
1
1
1 BK42L672H01
3/8F-G3/8
4
4
4
4
4
1
1
1
1
1
6 years
6 years
Specification
PRESSURE RELIEF VALVE
3bar
1
G S70 C18 404
2
G S70 C60 096 FLARE JOINT
3
G S70 C50 096 FLARE JOINT
4
G S70 C17 150 AIR VENT (AUTOMATIC)
5
G S70 C20 205 MANOMETER
6
G S70 C15 402 EXPANSION VESSEL
7
EHPT20X-TM9HB.UK
Parts name
EHPT20X-YM9HB.UK
Part No.
EHPT20X-VM6HB.UK
No.
RoHS
Q'ty /unit
12L
G S70 C30 239 EARTH LEAKAGE CIRCUIT BREAKER 1
40A
G S70 C40 239 EARTH LEAKAGE CIRCUIT BREAKER 3
20A
G S70 C20 239 EARTH LEAKAGE CIRCUIT BREAKER 1
20A
G S70 C50 239 EARTH LEAKAGE CIRCUIT BREAKER 3
30A
1
1
1
1
1
1
1
1
1
1
1
1
G S70 C39 708 CONTACTOR
30A
3
ECB1
1
ECB1
1
ECB1, ECB2
1
ECB1
4
3
2
3
1
1
1
1
1 BK00L813GA0
10 G S70 C10 356 PUMP VALVE
2
2
2
2
2
11 G S70 C03 355 WATER PUMP
1
1
1
1
1
G
—
PUMP FRAME ASSY
G S70 C80 441 BOOSTER HEATER
1 230V 6 kW 1
12 G S70 C90 441 BOOSTER HEATER
3 400V 9 kW
G S70 C71 441 BOOSTER HEATER
3 230V 9 kW
13 G
—
HEATER STAY
BHCP
BHCP, BHC1,
BHC2, IHC
MP1
1
1
Required
regular
replacement
(*: Required
regular
inspection)
6 years
1
9
45A
1
diagram
symbol
1
8
G S70 C29 708 CONTACTOR
Remarks
1
1
1
Wiring
20,000 hrs
(3 years)(*)
BH1, BH2
1
BH1, BH2
1
BH1, BH2
1
1
1
1
1 BK00L667G03
14 G S70 C30 357 DRAIN COCK
2
2
2
2
2
15 G S70 C22 266 FLOW SWITCH
1
1
1
1
1
16 G S70 C10 450 STRAINER
1
1
1
1
MESH: 24
1 WIRE DIAMETER:
0.29mm
17 G S70 C10 357 DRAIN COCK
1
1
1
1
1 FOR TANK
18 G S70 C40 601 FLEXIBLE HOSE
1
1
1
1
1
6 years
19 G S70 C25 150 AIR VENT (MANUAL)
1
1
1
1
1
6 years
FOR PRIMARY
CIRCUIT
20 G S70 C23 762
3WAY VALVE (DIVERTING
MOTOR)
1
1
1
1
1
21 G S70 C24 406
3WAY VALVE (DIVERTING
VALVE)
1
1
1
1
1
1
1
1
1
1 (#250LNE+S123)
22 G S70 C20 515 TERMINAL BED
6P
23 G
—
TANK CUSHION TOP
1
1
1
1
1 BX25A154G04
24 G
—
EXPANSION VESSEL
CUSHION
1
1
1
1
1 BX25A155G03
25 G
—
MOTOR CAP
1
1
1
1
1 BK25J773G01-JP
26 G S70 C11 460 O-RING
1
1
1
1
1 FOR STRAINER
27 G S70 C22 460 O-RING
1
1
1
1
1 FOR FLOW SWITCH
Parts number that is circled is not shown in the figure.
Do not reuse the O-ring for flow switch and strainer that was once removed, but be sure to replace with a new one.
OCB531A
11
6 years
3WV
RoHS PARTS LIST
EHST20C-VM6HB.UK
EHST20C-VM2B.UK
EHST20C-VM6EB.UK
EHPT20X-VM2HB.UK
EHPT20X-TM9HB.UK
EHST20C-YM9HB.UK
EHST20C-VM6B.UK
EHST20C-YM9EB.UK
EHPT20X-VM6HB.UK
EHPT20X-VM6B.UK
EHST20C-TM9HB.UK
EHST20C-YM9B.UK
EHST20C-VM6SB.UK
EHPT20X-YM9HB.UK
EHPT20X-YM9B.UK
1
5
15
4
14
7
8
6
9
10
11
12
13
OCB531A
12
5
4
3
2
1
1
2 G S70 C08 201 THERMOSTAT
1
1
ELEMENT PLATE
3 G S70 C33 461
TERMINAL COVER
1
4 G S70 C60 097 BACKNUT
5 G S70 C33 460
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3kW 1
1
1
1
1
1
1
1
1
1
1
1
1
Specification
EHPT20X-YM9B.UK
EHST20C-YM9EB.UK
1
EHPT20X-VM6B.UK
EHST20C-VM6EB.UK
1
EHPT20X-TM9HB.UK
EHST20C-YM9B.UK
1
EHPT20X-YM9HB.UK
EHST20C-VM6B.UK
1
EHPT20X-VM6HB.UK
EHST20C-VM2B.UK
1
EHPT20X-VM2HB.UK
EHST20C-TM9HB.UK
1
Part No.
EHST20C-VM6SB.UK
EHST20C-YM9HB.UK
1 G S70 C40 042 TANK INSLATOR
No.
RoHS
EHST20C-VM6HB.UK
Q'ty /unit
Parts name
ELEMENT PLATE
GASKET
6 G S70 C50 445 IMMERSION HEATER 1
7 G S70 C11 525 STAT POCKET ASSEMBLY R1/2
1
8 G S70 C40 446 BLANKING PLATE
9 G S70 C10 097 NUT
1
1
1
1
1
1
1
1
1
1
1
IH 2 years(*)
1
1
1
1
3
3
3
3
3
3
3
3
3
3
3
3
3
3
10 G S70 C61 097 WASHER
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
11 G S70 C30 042 TANK FEET
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
12 G S70 C20 097 WASHER
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
M10×20 3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
14 G S70 C19 404
TEMPERATURE AND
PRESSURE RELIEF VALVE
1
15 G S70 C10 405
JOINT (TEMPERATURE AND
PRESSURE RELIEF VALVE)
1
Required
regular
replacement
(*: Required
regular
inspection)
IHT
3
13 G S70 C30 097 BOLT
M10
1
Remarks
Wiring diagram symbol
RoHS PARTS LIST
FOR TANK/
FOR T&P
Do not reuse the ELEMENT PLATE GASKET (No.5) that was once removed, but be sure to replace with a new one.
When removing and reinstalling the TEMPERATURE AND PRESSURE RELIEF VALVE (No.14), JIG (for BACK NUT) (Page 17 No. 3) is
required.
OCB531A
13
RoHS PARTS LIST
EHST20C-VM6HB.UK
EHST20C-VM2B.UK
EHST20C-VM6EB.UK
EHPT20X-VM2HB.UK
EHPT20X-TM9HB.UK
EHST20C-YM9HB.UK
EHST20C-VM6B.UK
EHST20C-YM9EB.UK
EHPT20X-VM6HB.UK
EHPT20X-VM6B.UK
EHST20C-TM9HB.UK
EHST20C-YM9B.UK
EHST20C-VM6SB.UK
EHPT20X-YM9HB.UK
EHPT20X-YM9B.UK
13
1
2
12
11
3
10
9
8
7
6
5
4
OCB531A
14
RoHS PARTS LIST
1
1
G
S70 C06 641 TOP PANEL ASSY
G
S70 C07 641 TOP PANEL ASSY
G
S70 C08 641 TOP PANEL ASSY
2
G
S70 30L 655 HANDLE
2
2
2
2
2
2
2
2
2
3
G
S70 C12 661 BACK PANEL
1
1
1
1
1
1
1
1
4
G
S70 C17 662 SIDE PANEL L
1
1
1
1
1
1
1
5
G
S70 C30 699 LEAF LABEL
1
1
1
1
1
1
6
G
S70 C20 699 BRAND LABEL
1
1
1
1
1
7
G
S70 C11 710 REMOCON HOLDER
1
1
1
1
8
G
S70 C80 200 REMOCON ASSY
1
1
1
9
G
S70 C18 668 FRONT PANEL ASSY
1
1
1
1
1
10 G
11 G
12
G
G
13 G
—
REMOCON SUPPORT
1
1
1
1
1
1
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 BK00L347G04
OCB531A
FOR TANK
DRAIN PIPE
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
S70 C05 662 SIDE PANEL R
S70 C40 206 MANOMETER COVER
1
1
1
1
1
1
1
1
1
1
1
15
Remarks
WITH BUSH
1
S70 C20 670 V/W PLATE
S70 C04 662 SIDE PANEL R
EHPT20X-YM9B.UK
EHST20C-YM9EB.UK
1
EHPT20X-VM6B.UK
EHST20C-VM6EB.UK
1
EHPT20X-TM9HB.UK
EHST20C-YM9B.UK
1
EHPT20X-YM9HB.UK
EHST20C-VM6B.UK
1
S70 C05 641 TOP PANEL ASSY
EHPT20X-VM6HB.UK
EHST20C-VM2B.UK
1
G
EHPT20X-VM2HB.UK
EHST20C-TM9HB.UK
1
EHST20C-VM6SB.UK
EHST20C-YM9HB.UK
Parts name
EHST20C-VM6HB.UK
Part No.
Specification
No.
RoHS
Q'ty /unit
1
RoHS PARTS LIST
EHST20C-VM6HB.UK
EHST20C-VM2B.UK
EHST20C-VM6EB.UK
EHPT20X-VM2HB.UK
EHPT20X-TM9HB.UK
EHST20C-YM9HB.UK
EHST20C-VM6B.UK
EHST20C-YM9EB.UK
EHPT20X-VM6HB.UK
EHPT20X-VM6B.UK
4
EHST20C-TM9HB.UK
EHST20C-YM9B.UK
EHST20C-VM6SB.UK
EHPT20X-YM9HB.UK
EHPT20X-YM9B.UK
3
1
2
6
5
G S70 C11 504 CONTROL BOX COVER
Wiring
Remarks
symbol
1
G S70 C24 504 CONTROL BOX COVER
1
G S70 C23 504 CONTROL BOX COVER
1
G S70 C13 504 CONTROL BOX COVER
1
G S70 C14 504 CONTROL BOX COVER
1
G S70 C16 504 CONTROL BOX COVER
1
1 G S70 C17 504 CONTROL BOX COVER
1
G S70 C15 504 CONTROL BOX COVER
1
G S70 C18 504 CONTROL BOX COVER
1
G S70 C19 504 CONTROL BOX COVER
1
G S70 C20 504 CONTROL BOX COVER
1
G S70 C25 504 CONTROL BOX COVER
1
G S70 C21 504 CONTROL BOX COVER
1
G S70 C22 504 CONTROL BOX COVER
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 BK00L812G01
3 G
—
CONTROL BOX BRACKET
1
G
—
CONTROL BOX
1
G
—
CONTROL BOX
G
—
CONTROL BOX
4 G
—
CONTROL BOX
G
—
CONTROL BOX
G
—
CONTROL BOX
G
—
CONTROL BOX
BK00J686G06
1
1
FTC4
1
1
BK00J686G07
1
BK00J686G17
1
BK00J686G16
1
1
1
1
1
1
BK00J686G08
1 BK00J686G09
1
BK00J686G10
5 G S70 C11 306 BUSH
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5 FOR CABLE
6 G S70 C21 306 BUSH
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5 FOR CABLE
OCB531A
diagram
1
G S70 C12 504 CONTROL BOX COVER
2 G S70 C20 315 ATW CONTROLLER
EHPT20X-YM9B.UK
EHPT20X-VM6B.UK
EHPT20X-TM9HB.UK
EHPT20X-YM9HB.UK
EHPT20X-VM6HB.UK
EHPT20X-VM2HB.UK
EHST20C-VM6SB.UK
EHST20C-YM9EB.UK
EHST20C-VM6EB.UK
EHST20C-YM9B.UK
EHST20C-VM6B.UK
EHST20C-VM2B.UK
EHST20C-TM9HB.UK
EHST20C-YM9HB.UK
Parts name
EHST20C-VM6HB.UK
Part No.
Specification
No.
RoHS
Q'ty /unit
16
RoHS PARTS LIST
EHST20C-VM6HB.UK
EHST20C-VM2B.UK
EHST20C-VM6EB.UK
EHPT20X-VM2HB.UK
EHPT20X-TM9HB.UK
EHST20C-YM9HB.UK
EHST20C-VM6B.UK
EHST20C-YM9EB.UK
EHPT20X-VM6HB.UK
EHPT20X-VM6B.UK
EHST20C-TM9HB.UK
EHST20C-YM9B.UK
EHST20C-VM6SB.UK
EHPT20X-YM9HB.UK
EHPT20X-YM9B.UK
3
EHPT20X-VM6B.UK
EHPT20X-YM9B.UK
7
EHPT20X-TM9HB.UK
G S70 C50 202
EHPT20X-YM9HB.UK
6
EHPT20X-VM6HB.UK
5
EHPT20X-VM2HB.UK
G S70 C23 202
EHST20C-VM6SB.UK
4
EHST20C-YM9EB.UK
G S70 C10 406 JIG (FOR BACK NUT)
EHST20C-VM6EB.UK
3
PRESSURE RELIEF
VALVE 10bar
EHST20C-YM9B.UK
G S70 C20 404
EHST20C-VM6B.UK
2
EHST20C-VM2B.UK
G S70 C40 097 ADJUST BOLT
EHST20C-TM9HB.UK
1
EHST20C-YM9HB.UK
Parts name
EHST20C-VM6HB.UK
Part No.
Specification
No.
RoHS
Q'ty /unit
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4 ACCESSORY
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 ACCESSORY
1
THERMISTOR
(TANK WATER TEMP)
Remarks
Wiring diagram symbol
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
THW5
THERMISTOR
G S70 C20 202 (FLOW WATER TEMP &
RETURN WATER TEMP)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
THW1/2
THERMISTOR (LIQUID
REFRIGERANT TEMP)
1
1
1
1
1
1
1
1
1
G S70 C44 460 GASKET G1 - 1/2" G 1 - 1/2"
2
2
2
2
2
2
2
2
2
8
G S70 C55 460 GASKET G1"
G1"
12 12 12 12 12 12 12 12 12 11 11 11 11 11 11
FOR CONNECTION
OF WATER CIRCUIT
9
G S70 C66 460 GASKET G3/4"
G3/4"
7
7
7
7
7
7
10
G S70 C77 460 GASKET G3/8"
G3/8"
1
1
1
1
1
1
11
G S70 C88 460 GASKET G1/4"
G1/4"
1
1
1
1
1
1
1
12
G
—
PIPE COVER 10
ID10*OD35*L980 √
√
√
√
√
√
13
G
—
PIPE COVER 19
ID19*OD44*L1000 √
√
√
√
√
14
G
—
PIPE COVER 25
ID25*OD51*L900 √
√
√
√
15
G
—
PIPE COVER ELBOW
√
√
√
√
TH2
2
2
2
17
2
2
FOR CONNECTION
2 OF WATER CIRCUIT
(WATER PUMP)
7
7
7
7
7
7
7
FOR CONNECTION
OF WATER CIRCUIT
1
1
1
1
1
1
1
FOR CONNECTION
OF WATER CIRCUIT
1
1
1
1
1
1
1
FOR CONNECTION
1 OF WATER CIRCUIT
(MANOMETER)
√
√
√
BH33T353R03
FOR REFRIGERANT
(LIQUID) PIPE
√
√
√
√
BH33T353U01
FOR REFRIGERANT
(GAS) PIPE
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
BH33T353L01
√ FOR ELBOW PIPE
BESIDE TANK
Parts number that is circled is not shown in the figure.
Do not reuse the gaskets (No.7 to 11) that were once removed, but be sure to replace with a new one.
OCB531A
replacement
ACCESSORY
1
7
regular
6 years
1
7
Required
BH33T353H06
FOR WATER PIPE
20,000 hrs
(3 years)
2
OPTIONAL PARTS
2-1. IMMERSION HEATER (1Ph 3kW)
Part No.
PAC-IH03V-E
2-2. EHPT ACCESSORIES for UK
Part No.
PAC-WK01UK-E
* Optional part for EHPT20X-VM2HB
2-3. WIRELESS REMOTE CONTROLLER
Part No.
PAR-WT50R-E
2-4. WIRELESS RECEIVER
Part No.
PAR-WR51R-E
2-5. REMOTE SENSOR
Part No.
PAC-SE41TS-E
2-6. JOINT PIPE ([15.88 → [12.7)
Part No.
PAC-SH50RJ-E
2-7. JOINT PIPE ([9.52 → [6.35)
Part No.
PAC-SH30RJ-E
2-8. THERMISTOR
Part No.
PAC-TH011-E
2-9. HIGH TEMPERATURE THERMISTOR
Part No.
PAC-TH011HT-E
HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
CCopyright 2012 MITSUBISHI ELECTRIC CORPORATION
Distributed in Jan. 2013 No.OCB531 REVISED EDITION-A
Distributed in Sep. 2012 No.OCB531
Made in Japan
New publication, effective Jan. 2013
Specifications are subject to change without notice.