WIRING INSTRUCTIONS
7.With the cabinet installed, the air cleaner can now be wired to electrical input source.
!WARNING
Installation of this unit must comply with local electric codes or other applicable codes.
Review and understand local codes prior to in- stallation.
Failure to do so could result in serious personal injury or death.
8. | The air cleaner must be wired through the furnace |
| controls. This unit requires a 120 VAC 60 Hz input |
| circuit. A 20 amp circuit is more than adequate. |
9. | Remove junction box cover and install the required |
| bushing into the 3/4 in. knock out. With the supply |
| voltage turned off, route three (3) wires into junction |
| box for connections. (See Fig. 17.) |
| Insure all wires are clamped, wire connectors prop- |
| erly installed and grommets used to prevent wire |
| abrasion. |
10. | The air cleaner must be wired to have power supplied |
| when the furnace blower is on and there is airflow |
| through the duct. Some furnace control modules |
your system is not equipped with an EAC output terminal, Figure 19 shows a method for installing a relay (customer supplied) to switch power to the air cleaner when the blower is on.
Floor
Conduit
Duct
Electronic
Air Cleaner
Figure 18
Cooling Fan
have an output terminal for an electronic air cleaner |
that will energize the unit when the blower is on. If |
Relay
(External)
Electronic
Air Cleaner
N.C.
Hi
Vertical |
Section |
Tape All
Joints
N.O.
N.C. | Black |
|
Brown 
120 Volt
60 Hz
N.O.
Fan Control (Open)
N.O. | 120 Volt |
|
2 Speed | C | |
N.C. | Fan |
|
| Lo | |
N.O. |
|
|
| 120 Volt | 120 Volt |
| Relay (OFF) | |
| 60 Hz | |
| (Customer | |
|
| |
| Supplied) |
|
Cooling Mode - Fan Operating in Hi Speed
Cooling Fan
Wood Block
Relay
(External)
Electronic
Figure 16
Air Cleaner
N.C.
Hi
Hot
Hot
N.O. | Black | |
N.C. | ||
|
Brown
N.O. | 120 Volt |
|
2 Speed | C | |
N.C. | Fan |
|
| Lo |
|
Grounding
Conductor
Front View
N.O.
120 Volt
60 Hz
Fan Control (Closed)
N.O. |
| |
120 Volt | 120 Volt | |
Relay (ON) | ||
60 Hz | ||
(Customer | ||
| ||
Supplied) |
|
Figure 17
Heating Mode - Fan Operating in Low Speed
Figure 19
7
