M0
1
1
C
.0
2
2
M-Z
1
6
2
9
8
O
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rs
Ma
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u
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fo
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Bu
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W
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Mo
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W
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WIRING DIAGRAM: Electronically Control Units
28
13.8
V
240
208
11.9
WATTS
MODEL
MOD400E
WATER FILL
VALVE
1&
LOW WATER CONTROL
6
1
2
3
19
2
5
1
4
S1
HEATING ELEMENT
TEMP CONTROL
(BACK VIEW)
SENSOR
PROBE
INPUT
RELAY
4
5
HEATING ELEMENT
TEMP CONTROL
(BACK VIEW)
SENSOR
PROBE
INPUT
RELAY
6
L1
L2
L3
IN
PU
T
N
O
COMMONMAX
N
C
C
O
M
34
35
36
37
38
WATER PAN
GRN
PROBE
L1=
L3=
L2=
101
102
101
3
1
4 102
6
L1
L2
L3
L1=
4
3 101
1 102
COM
PROBE
1
2
3
4
19
37
34
35
36
38
2M-Z14565 rev~
SINGLE PHASE
POWER INPUT
ALTERNATE WATER
LEVEL CONTROL
NOTES: WIRING DIAGRAM MOD200E
1) TEMPERATURE AND WATER LEVEL SENSOR WIRES
ROUTE SEPARATELY IN SMALLER CONDUIT.
2) GROUND TO EARTH USING SUPPLIED STUD IN CONTROL BOX.
3) OPTIONAL WATER LEVEL CONTROL: WIRES 19 & 35
SHOULD BE CAPPED IF NOT USED.
3300
2480
3&
6.9
6.0
50/60 Hz
11.9
10.3
6.9
6.0
L2=
21
22
20.6
V
240
208
17.9
WATTS
MODEL
MOD300E
WATER FILL
VALVE
1&
LOW WATER CONTROL
6
9
1
2
3
19
2
5
1
4
S1
HEATING ELEMENT
TEMP CONTROL
(BACK VIEW)
SENSOR
PROBE
INPUT
RELAY
4
5
HEATING ELEMENT
TEMP CONTROL
(BACK VIEW)
SENSOR
PROBE
INPUT
RELAY
7
8
HEATING ELEMENT
TEMP CONTROL
(BACK VIEW)
SENSOR
PROBE
INPUT
RELAY
6
9
L1
L2
L3
IN
PU
T
NO
COMMON MAX
NC
CO
M
34
35
36
37
38
WATER PAN
GRN
PROBE
L1=
L3=
L2=
101
102
101
3
7
1
4 102
6
9
L1
L2
L3
L1=
4
7
3 101
1 102
COM
PROBE
1
2
3
4
19
37
34
35
36
38
2M-Z14566rev~
SINGLE PHASE
POWER INPUT
ALTERNATE WATER
LEVEL CONTROL
NOTES: WIRING DIAGRAM MOD300E
1) TEMPERATURE AND WATER LEVEL SENSOR WIRES ROUTE SEPARATELY IN SMALLER CONDUIT.
2) GROUND TO EARTH USING SUPPLIED STUD IN CONTROL BOX.
3) OPTIONAL WATER LEVEL CONTROL: WIRES 19 & 35 SHOULD BE CAPPED IF NOT USED.
4950
3720
3&
11.9
10.3
50/60 Hz
11.9
10.3
11.9
10.3
L2=
21
22
ON NON-AF MODELS
19
35
M200E & M227E Series
M300E & M327E Series