Vanguard Heating VMH26TPB - Manual (Page 13)

111043-01A
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13
3
2
1
Figure 19 - Installing Switch Plate to Valve Cover Shield
Switch
Plate
Screw
Valve Cover
Shield
INSTALLATION
Continued
9. Install the switch plate on the valve cover shield with 2 #10
screws provided (see Figure 18, page 12). Reinstall the valve
cover shield. Route power cord out of the cabinet by inserting
it through the bushing on the outer casing (see Figure 18, page
12). Plug fan kit into 120-Volt grounded power supply and test
operation.
Note: When switch is in the AUTO position, the
fan will start after the heater has run for a few moments. The
fan will continue to run for several moments after the heater
has been turned off. When switch is in the ON position, the
fan will run until turned to OFF. Reinstall upper louver assem-
bly and hood if previously removed, (see Figure 16, page 11).
Close lower louver door.
For Built-In Installation
WARNING: A licensed electrician must connect
the wiring harness to electrical supply following all
local codes. Electrician must provide a clamp on the
box cover to secure the wiring. Wiring should be
routed through the bushing in the hole on the outer
casing of heater.
Follow instructions Removing Valve Cover Shield (page 12), 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
relief clamp (not supplied) to secure incoming electrical supply.
2. Follow steps 2 through 6 in Installing Blower Assembly, page 12.
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 in-
stallations. 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 con-
nect incoming electrical supply to fan kit wiring harness (see
Figure 20).
5. Plug power cord to the outlet receptacle (not provided) as shown
in figure 19. Wind the extra cable in power cord and and tie it
up with the plastic wire strap (see Figure 21). Set the cable
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 16, page 11). Close lower louver door.
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 20 - 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
Figure 21 - Installing Blower Bracket Assembly
INSTALLATION
Installing Blower Accessory - GA3450T(Cont.)