NOTE: 110/120 electric power is required to operate blower (fan).
Be sure to leave sufficient excess wire in case minor adjustments are required.
Any electrical rewiring of this fan must be done by a qualified electrician.
Whether wiring directly to the fan junction box or into the EB1 (electrical receptacle box, P/N ZA1200) first ensure cable is secured using box connector.
Turn off all power before hookup.
Hard (Direct) Wire Hook-Up
First connect ground wire to ground stud located on the base of either box. Black wire from supply should connect to the variable speed switch. Alternate speed switch wire connects to temperature sensor. Alternate lead from sensor connects to fan. Alternate fan con- nects back to white supply wire. (Fig. 10)
| Fan |
| Temperature |
Speed | Sensor |
| |
Control |
|
Black | Sensor Wire |
White |
|
Ground |
|
| FP394 |
Fig. 10 Wiring diagram. | |
Remove sensor wire from bottom of heater. Remove temperature sensor from FK24 wire leads. Attach male coupler end of sensor wire to wire leads and opposite end of sensor wire to temperature sensor. Attach tem- perature sensor to left louvre bracket behind left side of top louvre assembly with two #6 machine screws and hex nuts. (Fig. 11)
Machine Screws
Hex Nuts 
Louvre Bracket
FP1001
Fig. 11 Louvre bracket.
Fan should come on within 10 minutes of ignition with speed control in "ON" position.
UVS33/36
EB1 (Receptacle) Hook-Up:
1.Remove 2" knockout. Slide the electrical box back plate into the back and bottom lances (clips) while fitting the box connector into the knockout. Fasten into place with fastening screws provided. (Fig. 12)
2.Connect the black positive wire to brass screw (polarized side) of the receptacle. The white wire is connected to the chrome screw. The ground wire is connected to the green ground screw of the recep- tacle. Fit the receptacle into the electrical box.
3.Screw the cover plate provided to the electrical box.
Label all wires prior to dicsonnection when servicing controls. Wiring errors can cause improper and danger- ous operation.
Verify proper operation after servicing.
Inside
Electrical Box
Retaining Screw
FrontofUnit
Outside
Front | of | Unit |
| ||
|
|
FP580
Fig. 12 Junction box
Remote Wall Switch
CAUTION: Do not wire millivolt remote wall switch for gas heater to a 120v power sup- ply. For lighting instructions, see Page 13.
1.Thread wire through the electrical knockout located on either side of unit. Do not cut wire or insulation on metal edges. Ensure that wire is protected. Run the other end to a conveniently located wall recep- tacle box.
2.Attach wire to switch and install switch into recep- tacle box. Attach cover plate to switch.
3.Connect wiring to gas valve. (Fig. 13)
20002211 | 9 |