7
3
1
4
2
TO CONVERT TO 3 PHASE
MOVE WIRES #2 AND #3 TO
THE 3RD OPEN TERMINAL
CONNECTOR Z SHOWN.
FOR SUPPLY CONNECTION USE
COPPER WIRE ONLY, SUITABLE FOR
AT LEAST 90°C (194°F). USE GAUGE
SHOWN OR LARGER.
NOMINAL AMPS PER LINE 3 PH.
208V-3 PHASE
X
55.3
Y
Z
240V-3 PHASE
X
Y
Z
48
36.2
55.3
48
31.4
208V
240V
17.4 KW
SINGLE PHASE
83.6
72.5
#3
AWG
#3
AWG
X-Y
X-Y
5
6
8
7
2,3
4,6,8
1,5,7
2M-Z8447
AWG
#6
AWG
#6
AWG
#8
AWG
#6
AWG
#6
AWG
#8
X
Y
TERMINAL BLOCK
1 PHASE FIELD WIRING
GROUND WIRE
1,3,5,7
2,4,6,8
17.4 KW
17.4 KW
17.4 KW
X
Y
Z
TERMINAL BLOCK
3 PHASE FIELD WIRING
GROUND CONNECTOR
GROUND WIRE
PILOT LIGHT
THERMOSTAT
HEATING ELEMENT
MODEL 748T
MODEL 736T, 760T (1 SIDE), 772T (BOTH SIDES EACH)
MODEL 724T AND 760T (1SIDE)
3
1
4
2
TO CONVERT TO 3 PHASE
MOVE WIRE #3 TO
THE 3RD OPEN TERMINAL
CONNECTOR Z SHOWN.
FOR SUPPLY CONNECTIONS USE COPPER WIRE ONLY, SUITABLE FOR AT
LEAST 90°C (194°F). USE GAUGE SHOWN OR LARGER.
NOMINAL AMPS PER LINE 3 PH.
208V-3 PHASE
X
20.9
Y
Z
240V-3PHASE
X
Y
Z
18.1
20.9
36.2
31.3
18.1
208V
240V
8.7 KW
SINGLE PHASE
41.8
36.3
#6
AWG
#8
AWG
X-Y
X-Y
#12
AWG
#8
AWG
#12
AWG
#12
AWG
#8
AWG
#12
AWG
2M-Z8445
1
2,4
3
TERMINAL BLOCK
SINGLE PHASE
FIELD WIRING
GROUND WIRE
1,3
2,4
8.7 KW
8.7 KW
8.7 KW
X
TERMINAL BLOCK
3 PHASE
FIELD WIRING
GROUND WIRE
Y
Z
PILOT
LIGHT
HEATING ELEMENT
THERMOSTAT
3
1
6
5
4
2
TO CONVERT TO 3 PHASE
MOVE WIRES #4 AND #5 TO
THE 3RD OPEN TERMINAL
CONNECTOR Z SHOWN.
NOTE:
1) FOR SUPPLY CONNECTIONS
USE COPPER WIRE ONLY,
SUITABLE FOR AT LEAST 90°C
(194°F). USE GAUGE SHOWN OR
LARGER.
NOMINAL AMPS PER LINE 3 PH.
208V-3 PHASE
X
36.2
Y
Z
36.2
36.2
240V-3PHASE
X
Y
Z
31.4
31.4
31.4
208V
240V
13.05 KW
SINGLE PHASE SUPPLY
62.7
54.4
#8
AWG
#8
AWG
#4
AWG
#6
AWG
X-Y
X-Y
2M-Z8446
1,3
2,6
4,5
X
Y
TERMINAL BLOCK
SINGLE PHASE
FIELD WIRING
GROUND WIRE
1,3,5
2,4,6
13.05 KW
13.05 KW
13.05 KW
X
Y
Z
TERMINAL BLOCK
3 PHASE
FIELD WIRING
GROUND CONNECTOR
GROUND WIRE
THERMOSTAT
HEATING ELEMENT
PILOT
LIGHT
NOTE: Wattage is 4.35 kw
per heated zone. See unit
nameplate on front panel
for correct supply voltage.
