FAN DELAY OFF
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| WIRING |
I | 2 | Normally close |
| 3 | Normally open |
H | H |
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(One Timing)
FOR ONE ELEMENT FURNACES
COMBINATION Fan and Heater Loads
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| WIRING |
ONE POLE | M1 |
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| M2 |
| To 1st element & fan |
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H |
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| H |
| To 24 VAC wall thermostat | |
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(One Timing)
SEPARATE Fan and Heater Loads
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| WIRING |
M1 | M2 | To fan |
TWO POLE M3 | M4 | To 1st element |
H | H | To 24vAC wall thermostat |
(One Timing)
FOR TWO ELEMENT FURNACES
COMBINATION Fan and Heater Loads
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| WIRING |
M1 | M2 | To 1st element & fan |
TWO POLE M3 | M4 | To 2nd element |
H | H | To 24vAC wall thermostat |
(One Timing)
SEPARATE Fan and Heater Loads
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| WIRING |
| M5 | M6 To 2nd element or aux. contacts | |
ONE POLE | H | H |
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| M1 | M2 | To fan |
TWO POLE | M3 | M4 | To 1st element |
| H | H To 24vAC wall thermostat | |
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| (Two Timings) |
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DOTTED LINE BETWEEN "H" TERMINAL IS A
WIRING DIAGRAMS
FOR THREE ELEMENT FURNACES WITH COMBINATION FAN & HEATER LOADS
SINGLE-STAGE Room Thermostat
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| WIRING |
| M5 | M6 | To 3rd element |
ONE POLE | H | H | To 24vAC wall thermostat |
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| M1 | M2 | To fan & 1st element |
TWO POLE M3 | M4 | To 2nd element | |
| H | H |
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(Two Timings)
TWO-STAGE Room Thermostat Option
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| WIRING |
| M5 | M6 |
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TWO POLE | M7 | M8 | To 3rd element |
| H | H To 24vAC wall thermostat | |
| M1 | M2 To fan & 1st element | |
TWO POLE | M3 | M4 | To 2nd element |
| H | H |
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| (Two Timings) |
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FOR THREE ELEMENT FURNACES WITH
SEPARATE FAN & HEATER LOADS
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| WIRING |
| M5 | M6 | To 2nd element |
TWO POLE | M7 | M8 | To 3rd element |
| H | H | To 24vAC wall thermostat |
| M1 | M2 | To fan |
TWO POLE | M3 | M4 | To 1st element |
| H | H |
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| (Two Timings) |
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| WIRING |
| M1 | M2 | To fan interlock |
TWO POLE | M3 | M4 | To 3rd element |
| H | H To W2 of 24vAC wall thermostat | |
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| (One Timing) |
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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 |
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(Two Timings)
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