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Plug blower
into this
receptacle
Blower
Ground
Tab Intact
Green
Ground
Screw
View A
J-Box Wiring when
using unit mounted
relay module.
BK
W
G
Junction Box
Pilot Burner
Assembly
Igniter
Connector
BL
BL
BK
Optional Control Switch
Schematic Representation Only
Electronic Wiring Diagram (Honeywell) Showing Blower Wiring for Optional FBK-100, FBK-200 & FBK-250 Kits
Figure 45
Ground supply lead must be connected to the wire attached to the green
ground screw located on the outlet box. See Figure 45. Failure to do so
will result in a potential safety hazard. The appliance must be electrically
grounded in accordance with local codes or, in the absence of local codes,
the National Electrical Code, ANSI/NFPA 70-latest edition. (In Canada, the
current CSA C22-1 Canadian Electrical Code).
26
Green
White
Black
Tab
Broken
Red
Neutral
Hot
Side of
Side of
Receptacle
Receptacle
Relay Module C/W FBK-250 only. Plug blower
into J-Box receptacle for FBK-100 or FBK-200
application. See View A for J-Box wiring.
Optional Blower
*OFF/ON Switch
(Integral with
Gas Valve)
Honeywell
Electronic
Gas
Valve
GROUND
Transformer
BL
R
24 V
120 VAC
Secondary
BK
Primary
BK = BLACK BL = BLUE
BK
R = RED
W = WHITE
W
G = GREEN
Field Wired
Factory
Wired
CAUTION
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
G
o r
n u
- d
G
e r
n e
N
e
t u
a r
- l
W
h
e t i
120 VAC - Black
Junction Box
* Wall-mounted
ON/ OFF Blower
Switch or Variable
Speed Control Switch.
J-BOX WIRING FOR
WALL SWITCH
BLOWER CONTROL
* Leave the OFF/ON switch, which is
integral with the gas valve, in the ON
position.
**Optional Control Switches: Wall
Switch, Wall Thermostat or Remote
Control Receiver.
Notes:
1. If any of the original wire as supplied
must be replaced, use Type AWM 105°C
- 18 gage wire ONLY.
2. 120 VAC, 60 Hz - Less than 3 Amps.
Caution: label all wires prior to
disconnection when servicing controls.
Wiring errors can cause improper and
dangerous operation.
Gas Flex Line Connector
Gas
3/8" NPT x
Valve
Flare Fitting
3/8" Flex Tubing
3"
*Sediment
Min
Trap
1/2" x 3/8"
3/8" Nipple
3/8" Union
3/8" Close Nipple
3/8" Shut-off Valve
*A Sediment Trap is recommended to prevent moisture
and debris in gas line from damaging the valve.
Note:The gas supply line must be installed in accor-
dance with building codes by a qualified installer
approved and/or licensed as requed by the locality.
In the Commonwealth of Massachusetts, installa-
tion must be performed by a licensed plumber or
gas fitter.
Figure 46 -
GAS CONNECTION
Step 6. CONNECTING GAS LINE
Make gas line connections. All codes require a
shut-off valve mounted in the supply line. Figure
46 illustrates two methods for connecting the
gas supply. The flex-line method is acceptable
in the U.S., however, Canadian requirements
vary depending on locality. Installation must
be in compliance with local codes.
These appliances are equipped with a gas flex
line for use (where permitted) in connecting
the appliance to the gas line. A gas flex line
is provided to aid in attaching the direct vent
appliance to the gas supply. The gas flex line
can only be used where local codes permit.
See Figure 46 for flex line description. The flex
line is rated for both natural gas and propane
gas. A manual shut off valve is also provided
with the flex line.
The incoming gas line should be piped into the
valve compartment and connected (see Figures
46 & 47). The millivolt control valve has a 3/8"
(10 mm) NPT thread inlet port. The electronic
control valve has a 1/2" (13 mm) NPT thread
inlet port and is fitted with a 1/2" x 3/8" (13 mm x
10 mm) NPT fitting.
Secure all joints tightly using appropriate
tools and sealing compounds (ensure propane
resistant compounds are used in propane
applications).
Optional: Seal around the gas line to pre-
vent cold air leakage.
1/2" x 3/8" Flare
Shut-off Valve
Gas
Stub
Reducer
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