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CHECKING THE GAS PIPING
Test all piping for leaks. When checking gas piping to
the furnace with gas pressure less than 1/2 PSI, shut off
manual gas valve to the furnace. If gas piping is to be
checked with the pressure at or above 1/2 PSI, the furnace
and manual shut off valve must be disconnected during
testing. (SEE WARNING.) Apply soap solution to each joint.
Bubbles forming indicate a leak. Correct even the slightest
leak at once.
WARNING: Danger of property damage, bodily
injury or loss of life. Never use a match or open flame
to test for leaks. Never exceed specified pressures for
testing. High pressures may damage the gas valve and
cause over-firing which may result in heat exchanger
failure. liquid petroleum (propane gas) is heavier
than air and it will settle in any low area, including
open depressions and it will remain there unless area
is ventilated. Never attempt startup of unit before
thoroughly ventilating area.
FIGURE 23 - GAS PIPE SIZES
PIPE CAPACITY - BTU/hr. WITH FITTINGS
NATURAL GAS PIPE CAPACITY BTU/hr.
LENGTH
PIPE SIZE (INCLUDES FITTINGS)
OF PIPE
FEET
1/2"
20
92,000
40
63,000
60
50,000
PROPANE PIPE CAPACITY BTU/hr.
LENGTH
PIPE SIZE (INCLUDES FITTINGS)
OF PIPE
FEET
1/2"
20
189,000
40
129,000
60
103,000
Electrical Wiring
The appliance, when installed, must be electrically
grounded in accordance with local codes, or in the
absence of local codes, with the National Electrical Code
(ANSI/NFPA 70) or Canadian Electrical Code (CSA C22.1),
if an external electrical source is utilized. This appliance is
equipped with a three-prong (grounding) plug for your
protection against shock hazard and should be plugged
directly into a properly grounded three-prong receptacle.
Do not cut or remove the grounding prong from this plug.
3/4"
1"
190,000
350,000
130,000
245,000
105,000
195,000
3/4"
1"
393,000
732,000
267,000
504,000
217,000
409,000
ELECTRICAL SUPPLY
Remove three-prong (grounding) service cord from the
envelope parts package to install in the furnace. Remove
7/8" diameter (22mm) knockout at the left or right bottom
side panel to route the three-prong service cord to an
electrical outlet.
1. Insert the nylon cap attached to the end of the
three-prong service cord thru the 7/8" diameter
(22mm) knockout into the burner control assembly
area and insert it into the nylon plug attached
to the outer casing bottom. If desired, you may route
the thermostat wire alongside of the service cord and
thru the same opening or choose another entry into
the burner control assembly area.
2. Attach 7/8" diameter (22mm) strain relief around the
three-prong (grounding) service cord and the
thermostat wire (if thermostat wire is routed thru
knock-out. Insert the 7/8" (22mm) strain relief into the
7/8" (22mm) hole in the side panel of furnace.
WARNING: Do not insert the three-prong
(grounding) service cord inside the burner control
assembly area more than 10 inches (245mm). This
could cause damage to the electrical cord resulting
in electrical shock hazard and/or fire.
LOW VOLTAGE CONNECTIONS
CAUTION: The Heat Anticipator will burnout if 24 volts
are applied directly to thermostat by shorting out
the gas valve or primary control during testing or by
incorrect wiring.
WALL THEMOSTAT WIRING
Run thermostat wire to the furnace. Connect thermostat
to two wires marked "Thermostat" near the gas valve of
the furnace, using two wire nuts provided. See Wiring
Diagrams on pages 27 or 28.
Replace fan to original position on motor shaft, tightening
securely. Replace fan shroud, making sure it is centered
vertically on the fan.
Tighten screws securely.
Replace top front panel and secure with thumbscrew.
COMPLETE WIRING DIAGRAMS ON PAGES 27 AND 28.
COUNTERFLOW TOP VENT GAS WALL HEATER
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