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GENERAL INFORMATION

DO NOT USE THIS FURNACE
DURING CONSTRUCTION IF AIR
LADEN CORROSIVE COMPOUNDS
ARE PRESENT SUCH AS CHLORINE
AND FLUORINE. OTHERWISE,
PROVISIONS MUST BE TAKEN TO
PROVIDE CLEAN,
UNCONTAMINATED COMBUSTION
AND VENTILATION AIR TO THE
FURNACE. FURNACE
COMBUSTION AND VENTILATION
AIR CONTAMINATED WITH THESE
COMPOUNDS FORMS ACIDS
DURING COMBUSTION WHICH
CORRODES THE HEAT
EXCHANGER AND COMPONENT
PARTS. SOME OF THESE
CONTAMINANTS ARE FOUND IN,
BUT NOT LIMITED TO, PANELING,
DRY WALL, ADHESIVES, PAINTS,
STAINES, VARNISHES, SEALERS,
AND MASONRY CLEANING
MATERIALS.

1.

NOTE:

This furnace is shipped with

heat exchanger support brackets
installed under the back of the heat
exchanger. These may be removed
before installation, but it is not
required.

LOCATION

THIS FURNACE IS NOT APPROVED
FOR INSTALLATION IN A MOBILE
HOME. DO NOT INSTALL THIS
FURNACE IN A MOBILE HOME.
INSTALLATION IN A MOBILE HOME
COULD CAUSE FIRE, PROPERTY
DAMAGE, PERSONAL INJURY OR
DEATH.

2.

IMPORTANT: 

This furnace is not

approved or recommended for
installation on its back, with access
doors facing upwards.

3. This furnace is suitable for

installation in buildings constructed
on-site. This heating unit should be
centralized with respect to the heat
distribution system as much as
practicable.

4.

NOTE:

These furnaces are

approved for installation in attics, as
well as alcoves, utility rooms,
closets and crawlspaces.

5.

IMPORTANT: 

Support this unit

when installed. For attic or crawl
space installation, horizontal
furnaces may be installed on
combustible wood flooring or by
using support brackets. See Figure
1.

6.

IMPORTANT: 

If installing in a utility

room, be sure the door is wide
enough to:

a. allow the largest part of the

furnace to pass; or

b. allow any other appliance (such

as a water heater) to pass.

The 80PJ and 80LJ series furnaces are
design certified by CSA for use with
natural and propane gases as follows:

As a Category I furnace, it may be
vented vertically with type B-1 vent
pipe and also may be common
vented as described in these
instructions.

This furnace should be installed in
accordance with the American National
Standard Z223.1 - latest edition booklet
entitled “National Fuel Gas Code”
(NFPA 54) (in Canada, CSA B149.1

and .2 Installation Codes for gas
burning appliances), and the
requirements or codes of the local utility
or other authority having jurisdiction
including local plumbing or waste water
codes.

Additional helpful publications available
from the “National Fire Protection
Association” are: NFPA-90A –
Installation of Air Conditioning and
Ventilating Systems 1985 or latest
edition. NFPA-90B – Warm Air Heating
and Air Conditioning Systems 1984.

These publications are available from:

National Fire Protection Association,

Inc.

Batterymarch Park
Quincy, MA 02269

CSA-INTERNATIONAL
178 Rexdale Blvd.
Etobicoke (Toronto), Ontario
Canada M9W, 1R3

GENERAL INFORMATION

LOCATION REQUIREMENTS AND CONSIDERATIONS

WARNING

!

FIGURE 1

HORIZONTAL FURNACE INSTALLED W/SUPPORT BRACKETS

EXHAUST
VENT

GAS
PIPE

ELECTRICAL
CONDUIT

ST-A0799-01

CAUTION

!

Summary of Contents for 80LJ SERIES

Page 1: ...CTIONS FOR UPFLOW UPFLOW HORIZONTAL AND DOWNFLOW INDUCED DRAFT GAS FURNACES 80PJ AND 80LJ SERIES PROPOSITION 65 THIS PRODUCT CONTAINS CHEMICALS INCLUDING CARBON MONOXIDE KNOWN TO THE STATE OF CALIFORN...

Page 2: ...furnace ground to electrical panel DC microamp A flame signal hot surface ignition units Correct control voltage Measure and set heat anticipator amperage Air conditioning low voltage wires connected...

Page 3: ...fects such as fiberglass insulation lead in brass and combustion products from natural gas All new equipment shipped for sale in California will have labels stating that the product contains and or pr...

Page 4: ...N PLACE SET FURNACE INPUT RATE AND TEMPERATURE RISE PER RATING PLATE MARKING MEANS FOR PROVIDING OUTDOOR AIR REQUIRED FOR COMBUSTION RETURN AIR TEMPERATURE MAINTAINED BETWEEN 55 F 13 C AND 80 F 27 C A...

Page 5: ...is unit when installed For attic or crawl space installation horizontal furnaces may be installed on combustible wood flooring or by using support brackets See Figure 1 6 IMPORTANT If installing in a...

Page 6: ...RIZONTAL MODELS TOP LEFT SIDE FRONT RIGHT SIDE BOTTOM 24 1 2 26 13 16 26 5 8 24 11 32 24 11 32 19 32 9 16 24 7 16 28 1 16 26 5 8 14 3 8 11 1 2 34 1 5 8 DIA 23 15 20 D 7 8 DIA 7 8 DIA 19 32 19 32 3 4 1...

Page 7: ...15 5 8 23 5 8 0 0 0 1 3 6 140 lbs 15 24 1 2 23 11 32 15 5 8 23 5 8 0 0 0 1 3 6 150 lbs TOP BOTTOM 24 1 2 19 3 4 C A B D LOW VOLTAGE GAS CONNECTION ELECTRIC CONNECTION E 26 5 8 26 13 16 6 3 16 20 3 8 2...

Page 8: ...uding evaporator coil if used of the entire system should not exceed 0 5 w c Be sure to have adequate space for unit filter IMPORTANT Some high efficiency filters have a greater than normal resistance...

Page 9: ...NTO THE LIVING SPACE AND CREATE POTENTIALLY HAZARDOUS CONDITIONS INCLUDING CARBON MONOXIDE POISONING OR DEATH 2 If summer air conditioning is desired position the indoor coil on the top of the unit In...

Page 10: ...unted in a closet the door must be closed when making this check of the installation DO NOT reset the overtemperature switch without taking corrective action to assure that an adequate supply of combu...

Page 11: ...ht construction contemporary construction outside air may still be required for the furnace to operate and vent properly Outside air openings should be sized the same as for a confined space FIGURE 7...

Page 12: ...uare inch for each 2000 BTUH of total input rating for all equipment in the enclosure see Figure 8 Here are typical duct sizes FIGURE 8 OUTSIDE AIR USING A HORIZONTAL INLET OUTLET B Method 2 One perma...

Page 13: ...SI Z223 1 AND OR THE NATURAL GAS INSTALLATION CODE CSA B149 1 2 FOR PROPER INSTALLATION PRACTICES SINGLE WALL VENT CONNECTORS TO B 1 VENT OR MASONRY CHIMNEYS MAY BE USED UNDER THE GUIDELINES OF THE NA...

Page 14: ...gher than any portion of a building within 10 feet 2 A type B 1 gas vent shall terminate at least 5 feet in vertical height above the highest connected equipment draft hood or flue collar 3 Must rise...

Page 15: ...operate a summer exhaust fan Close fireplace dampers 4 Follow the lighting instructions Place the appliance being inspected into operation Adjust the thermostat so the appliance will operate continuou...

Page 16: ...in size to prevent undue pressure drop and never smaller than the pipe size to the combination gas valve on the furnace Refer to Table 2 for the recom mended pipe size for natural gas and Table 3 for...

Page 17: ...ns The valve can be converted to use liquefied petroleum LP gas by replacing the pressure regulator spring with the conversion kit spring This LP kit spring allows the regulator to maintain the proper...

Page 18: ...the LP supplier adjust the line pressure at the regulator See Table 3 NOTE Depending on the amount of LP vapor and the outdoor ambient temperature the LP storage tank may require supplemental heat to...

Page 19: ...t off the manual main gas valve and remove the gas manifold 2 Replace the orifice spuds 3 Reassemble in reverse order 4 Turn the gas supply back on and check for proper operation and manifold pressure...

Page 20: ...available from the furnace manufacturer s Parts Department are acceptable Generally all thermostats that are not of the current robbing type are compatible with the integrated furnace control used NOT...

Page 21: ...with identical control boards 1 thermostat per 2 furnaces IMPORTANT Only bottom returns can be used No more than two furnaces can share the same supply and return Furnaces must have same heating and...

Page 22: ...22 I400 FIGURE 16 UT Electronic Controls 1028 928 CONTROL BOARD TWINNING CONNECTION SINGLE STAGE OPERATION a099201...

Page 23: ...23 FIGURE 17 UTEC 1028 928 CONTROL BOARD TWINNING CONNECTION TWO STAGE OPERATION a099301...

Page 24: ...lations are the best method Example 900 BTU ft3 Regional Natural Gas Heating Value I H Q 25000 900 27 78 ft 3 I Sea Level input per burner 25000 H Sea Level Heating Value 900 Q 27 78 ft 3 Natural Gas...

Page 25: ...23 000 22 000 21 000 20 000 19 000 18 000 17 000 16 000 All calculations are performed by using the first three columns of information only Before beginning any calculations determine the individual...

Page 26: ...site with manifold pressure adjustment to ensure that an actual 10 reduction in input rate is achieved Once this field adjustment has been made the label shown in Figure 18 rmust be affixed in a consp...

Page 27: ...don t light the system goes through another ignition sequence It does this up to four times 7 The main blower starts approximately 20 seconds after the burners ignite 8 When the thermostat W Heat Call...

Page 28: ...inducer run for 3 minutes before another ignition attempt is made NOTE The following applies only to units manufactured before third Quarter 2003 After a 30 second inter purge inducer runs continuous...

Page 29: ...to the furnace as possible FIGURE 21 TEMPERATURE RISE MEASUREMENT GAS FURNACE DIRECT DRIVE INSTRUCTIONS FOR CHANGING BLOWER SPEED DISCONNECT THE ELECTRICAL SUPPLY TO THE FURNACE BEFORE ATTEMPTING TO...

Page 30: ...30 BLOWER PERFORMANCE DATA 80LJ DOWNFLOW MODELS ONLY BLOWER PERFORMANCE DATA 80PJ UPFLOW HORIZONTAL MODELS...

Page 31: ...ck PRESSURE SWITCH This furnace is equipped with a normally open pressure switch that monitors pressure conditions within the furnace vent system during the heating cycle There are several reasons for...

Page 32: ...alified installer service agency or the gas supplier to prevent the possibility of overheating due to an accumulation of dust and dirt on the windings or on the motor exterior Air filters should be ke...

Page 33: ...or a filter base For systems with a return air filter grill or multiple filter grills can have a filter installed at each of the return air openings DO NOT DOUBLE FILTER THE RETURN AIR DUCT SYSTEM DO...

Page 34: ...D SIDE RETURN FIGURE 27 DOWNFLOW FILTER INSTALLATION FILTER ROD 45 24095 01 FILTER ROD SUPPORT ANGLE AE 60520 01 FILTER SUPPORT ANGLE SEE ANGLE DETAIL AE 61883 01 FILTER ROD SUPPORT ANGLE AE 60520 01...

Page 35: ...S OF THE VENT PIPE THE AREA AROUND THE FURNACE MUST BE KEPT CLEAR AND FREE OF ALL COMBUSTIBLE MATERIALS INCLUDING GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS PLACEMENT OF COMBUSTIBLE MATERIALS ON...

Page 36: ...F Did a limit open during ignition trial If yes go to D Check line voltage between HEAT and NEUTRAL on IFC Check wires connections and continuity between IFC and IBM Check IBM capacitor Check IBM CHE...

Page 37: ...37 FIGURE 29 FOR MODELS WITH UT ELECTRONIC CONTROLS 1028 928 INTEGRATED FURNACE CONTROL AND DIRECT SPARK IGNITION...

Page 38: ...38 FIGURE 30 FOR MODELS WITH UT ELECTRONIC CONTROLS 1012 925 OR INVENSYS CLIMATE CONTROLS ICC H1MC7 01 INTEGRATED FURNACE CONTROL AND HOT SURFACE IGNITION...

Page 39: ...39...

Page 40: ...40 CM 0604 MANUFACTURED BY ICECO 5600 OLD GREENWOOD ROAD FORT SMITH ARKANSAS 72908...

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