FOR FOUR ELEMENT FURNACES
COMBINATION Fan and Heater Loads
WIRING DIAGRAMS
FOR FIVE ELEMENT FURNACES
COMBINATION Fan and Heater Loads
TWO-STAGE Room Thermostat Option After 3rd Element
TWO POLE
TWO POLE
|
| WIRING |
M5 | M6 | To 3rd element |
M7 | M8 | To 4th element |
H | H | To 24vAC wall thermostat |
M1 | M2 | To fan & 1st element |
M3 | M4 | To 2nd element |
H | H |
|
| (Two Timings) |
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| WIRING |
| M5 | M6 | To 5th element |
ONE POLE | H | H To W2 of 24vAC wall thermostat | |
| |||
| M1 | M2 | To fan interlock |
TWO POLE M3 | M4 | To 4th element | |
| H | H |
|
| (Two Timings) |
| |
M5 | M6 To common of 24v transformer |
TWO-STAGE Room Thermostat Option after 2nd Element
|
|
| WIRING |
| M5 | M6 | To 4th element |
ONE POLE | H | H To W2 of 24vAC wall thermostat | |
| |||
| M1 | M2 | To fan interlock |
TWO POLE M3 | M4 | To 3rd element | |
| H | H |
|
|
| (Two Timings) |
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TWO POLE
TWO POLE
M7 | M8 | To 3rd element |
H | H | To W1 of 24vAC wall thermostat |
M1 | M2 | To fan & 1st element |
M3 | M4 | To 2nd element |
H | H |
|
| (Two Timings) |
|
|
|
| M5 | M6 To common of 24v transformer |
ONE POLE | H | H To W1 of 24vAC wall thermostat |
|
SEPARATE Fan and Heater Loads
M1 | M2 | To fan & 1st element |
TWO POLE M3 | M4 | To 2nd element |
H | H |
|
(Two Timings)
SEPARATE Fan and Heater Loads
TWO POLE
TWO POLE
|
| WIRING |
M5 | M6 | To 4th element |
M7 | M8 | To 5th element |
H | H To W2 of 24vAC wall thermostat | |
M1 | M2 | To fan interlock |
M3 | M4 | To 3rd element |
H | H |
|
| (Two Timings) |
|
|
|
|
|
| WIRING |
| M5 | M6 | To 4th element |
ONE POLE | H | H To W2 of 24vAC wall thermostat | |
| |||
| M1 | M2 | To fan interlock |
TWO POLE | M3 | M4 | To 3rd element |
| H | H |
|
|
| (Two Timings) |
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|
| |
| M5 | M6 To common of 24v transformer | |
TWO POLE | M7 | M8 | To 2nd element |
| H | H | To W1 of 24vAC wall thermostat |
| M1 | M2 | To fan |
TWO POLE | M3 | M4 | To 1st element |
| H | H |
|
(Two Timings)
DOTTED LINE BETWEEN "H" TERMINAL IS A
| M5 | M6 | To common of 24v transformer |
TWO POLE | M7 | M8 | To 2nd element |
| H | H | To W1 of 24vAC wall thermostat |
| M1 | M2 | To fan |
TWO POLE | M3 | M4 | To 1st element |
| H | H |
|
(Two Timings)
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