Vanguard Heating 000 to 26 - Manual (Page 15)

www.desatech.com 113111-01A 15
Figure 20 - Installing Blower Bracket
Assembly
INSTALLATION
Continued
Figure 18 - Installing Switch Plate to
Valve Cover Shield
Switch
Plate
Screw
Valve Cover
Shield
For Built-In Installation
WARNING: A licensed elec-
trician must connect the wiring
harness to electrical supply fol-
lowing all local codes. Electri-
cian must provide a clamp on
the box cover to secure the wir-
ing. Wiring should be routed
through the bushing in the hole
on the outer casing of heater.
Follow instructions Removing Valve Cover Shield
(page 13), then
1. Install a snap bushing found in hardware kit
into one of the holes found on rear of valve
cover shield. The other hole is for a strain re-
lief clamp (not supplied) to secure incoming
electrical supply.
2. Follow steps 2 through 6 in Installing Blower
Assembly, page 13. Also remove black wire
from middle switch terminal 2.
3. Remove black plastic strain relief and power
cord from switch plate. The power cord supplied
will not be used in built-in installations. Pop in
the plastic snap bushing found in hardware kit
into the hole left by supply cord/strain relief.
4. A licensed electrician must follow the wiring
diagram to connect incoming electrical sup-
ply to fan kit wiring harness (see Figure 19).
5. Plug power cord to the outlet receptacle (not
provided) as shown in Figure 18. Wind the
extra power cord and tie it up with the plastic
wire strap (see Figure 20). Set the power cord
bundle between the burner bracket and outer
casing, away from the burner.
6. Reinstall valve cover shield.
7. Test to make sure the blower is working
properly.
8. Reinstall upper louver assembly and hood if
previously removed, (see Figure 15, page 13).
Close lower louver door.
3
2
1
Red
Red
Fan Switch
(Auto/Off/On)
Blue
Blue
Thermostat
Switch (N.O.)
Green White
Green White
On
110/115
V.A.C.
Blower Motor
Black
Off
1
2
3
Auto
Figure 19 - Wiring Diagram For Blower
Accessory Built-In Installation
Blower Bracket
Assembly
Screw
Wire Harness
Power
Cord
Valve
Cover
Shield
Box Cover
Wire
Harness
Switch
Plate
Switch
Clamp Connector
(not included)
Outlet
Receptacle
Blue
Red
Plastic Wire
Strap