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Mitsubishi Electric EHWT17D-MHEDW Data Book page 120

Water to water heat pump
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7
2 ZONE KIT
Wiring
<Cylinder unit>
Earth
terminal
THW6/7/8/9
Pump/Mixing valve/
Earth
Earth terminal
1
1
TBO.1
CN01
(BK)
3
2
5
3
1
CNP1
4
(WH)
3
5
6
1
1
1
CN3C
CNP4
(BU)
1
TBO.2
(RD)
3
3
LED1
2
SW5
1
3
CNPWM
(WH)
4
3
5
8
6
1
1
1
CNV1
3
CN851
1
TBO.3
(WH)
(BK)
2
5
SW4
3
8
4
6
5
1
1
6
CNRF
(WH)
7
SW3
LED2
5
8
TBO.4
1
1
8
CN105
2
1
LED3
(RD)
3
5
4
5
SW2
1
6
CNIT
(BU)
7
5
8
1
8
1
CNIH
(OG)
CN22
1
3
(BU)
2
1
1
1
CNBC
CNBHT
SW1
SW6
(GY)
(BK)
LED4
3
3
CN108
1
8
5
3
CNBH
(WH)
5
7
TAB1
CN401
CN1A
CNW5
CNW12
CN21
CN20
(WH)
(WH)
(BU)
(RD)
(YE)
(RD)
1
1
1
1
1
1
2
4
4
4
4
3
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
TBI.1
TBI.2
TBI.3
TBI.4
TBI.5
TBI.6
THW6/7/8/9
Pump/Mixing valve/Earth
TBO.1
1
2
M
Pump 2
Blue
1~
3
Brown
4
Blue
5
M
Pump 3
Brown
1~
6
Brown
TBO.2
1
Mixing
Blue
M
2
valve
1~
Black
3
4
5
6
<Hydrobox>
1
TBO.1
2
1
3
CNP1
4
(WH)
3
5
6
1
1
CNP4
TBO.2
1
(RD)
3
2
SW5
3
4
5
8
1
6
1
CNV1
TBO.3
3
1
(WH)
2
5
SW4
3
4
6
5
1
Pump/
6
7
SW3
8
1
TBO.4
8
2
1
3
Mixing valve/
4
5
SW2
6
7
8
1
8
1
CNIH
(OG)
3
Earth
1
1
CNBC
CNBHT
SW1
(GY)
(BK)
SW6
3
3
1
8
3
CNBH
(WH)
5
7
TAB1
CN401
(WH)
1
4
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
TBI.1
TBI.2
TBI.3
THW6/7/8/9
TBO.1
1
2
1
3
CNP1
4
(WH)
3
5
6
1
1
CNP4
TBO.2
1
(RD)
LED1
3
2
SW5
3
4
5
8
1
6
1
CNV1
3
TBO.3
1
(WH)
5
SW4
2
3
6
4
1
5
6
7
LED2
SW3
8
TBO.4
1
8
2
1
LED3
3
4
5
SW2
6
7
8
8
1
1
CNIH
(OG)
3
1
1
1
CNBC
CNBHT
SW1
SW6
(GY)
(BK)
LED4
3
3
5
1
8
3
CNBH
(WH)
5
7
TAB1
CN401
CN1A
CNW5
CNW12
CN21
(WH)
(WH)
(BU)
(RD)
(YE)
1
1
1
1
1
3
4
4
4
4
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
TBI.1
TBI.2
TBI.3
TBI.4
TBI.5
TBI.5
8
7
6
5
4
3
2
1
THW6
THW7
THW8
THW9
Gray
Black
Red
Blue
Optional parts
Earth terminal
1
CN01
3
(BK)
5
1
CN3C
(BU)
3
LED1
CNPWM
1
(WH)
3
1
CN851
(BK)
8
1
CNRF
(WH)
LED2
5
1
CN105
(RD)
LED3
5
1
CNIT
(BU)
5
CN22
1
(BU)
2
1
LED4
CN108
5
CN1A
CNW5
CNW12
CN21
CN20
(WH)
(BU)
(RD)
(YE)
(RD)
1
1
1
1
1
2
4
4
4
3
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
TBI.4
TBI.5
TBI.6
Earth
terminal
1
CN01
3
(BK)
5
1
CN3C
(BU)
3
1
CNPWM
(WH)
3
1
CN851
(BK)
8
1
CNRF
OFF ON
(WH)
5
1
1
CN105
(RD)
5
1
SW2
CNIT
(BU)
5
CN22
1
(BU)
2
8
CN108
CN20
(RD)
1
2
8 7
6
5 4 3 2 1
TBI.6
D-49

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