Page 2 - Table of Contents
2 IO-247A 12/04 Table of Contents I. Warnings .......................................................................................................................................................................... 3 T O T HE O WNER ....................................................................
Page 3 - WARNING
3 IO-247A 12/04 Table of Contents N ORMAL C OOLING S EQUENCE ........................................................................................................................... 21 C ONSTANT F AN ....................................................................................................
Page 4 - CARBON MONOXIDE POISONING HAZARD; WNER; III; RANSPORTATION; Keep this literature in a safe place for future reference.
4 IO-247A 12/04 WARNING S HOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE TURNING OFF THE ELECTRICAL SUPPLY. CARBON MONOXIDE POISONING HAZARD - Special Warning for Installation of Furnace or Air Handling U nits inEnclos...
Page 6 - for servicing; IV. LOCATION REQUIREMENTS AND CONSIDERATIONS; Combustion and Ventilation Air Requirements.
6 IO-247A 12/04 • Provisions must be made for venting combustion products outdoors through a proper venting system. The length offlue pipe could be a limiting factor in locating the furnace. • Ensure adequate combustion air is available for the furnace. Improper or insufficient combustion air can ex...
Page 7 - Suspended Furnace; Thermostat Influences
7 IO-247A 12/04 ACCESSIBILITY CLEARANCE,WHERE GREATER, SHOULDTAKE PRECEDENCE OVER MINIMUM FIRE PROTECTIONCLEARANCE. A gas-fired furnace for installation in a residentialgarage must be installed so that the ignition source and burnersare located not less than eighteen inches (18") above the floor...
Page 8 - Equipment Located in Confined Spaces; V. COMBUSTION AND VENTILATION AIR REQUIREMENTS; W A R N I N G; National Fuel Gas Code NFPA 54/ANSI; (c) In addition to air needed for combustion, process air shall
8 IO-247A 12/04 safety exhaust, odor control, and air for compressors. (d) In addition to air needed for combustion, air shall be supplied for ventilation, including all air required for comfort andproper working conditions for personnel. (e) While all forms of building construction cannot be covere...
Page 9 - Equipment Located in Confined Spaces All Air from Outdoors—Inlet; When communicating with the outdoors through vertical; Equipment Located in Confined Spaces All Air from Outdoors; When communicating with the outdoors through horizontal; One permanent opening may be permitted, provided the
9 IO-247A 12/04 (b) All Air from Outdoors: The confined space shall be provided with two permanent openings, one commencing within 12inches of the top and one commencing within 12 inches oft h e b o t t o m o f t h e e n c l o s u r e . T h e o p e n i n g s s h a l lcommunicate directly, or by duct...
Page 10 - MINIMUM VENT; UPFLOW; MODEL; Upflow or Horizontal units; Upflow Rotated Induced Draft Blower
10 IO-247A 12/04 5.3.5 Louvers and Grilles: In calculating free area in 5.3.3, consideration shall be givento the blocking effect of louvers, grilles or screens protectingopenings. Screens used shall not be smaller than 1/4 inchmesh. If the area through a design of louver or grille is known,it shoul...
Page 11 - CATEGORY I FURNACES ONLY; Second Floor; Basement Floor; Figure 8 - Typical Multiple Flue Clay Tile Chimney
11 IO-247A 12/04 VII. EXTERIOR MASONRY CHIMNEYS - CATEGORY I FURNACES ONLY An exterior masonry chimney is defined as a “Masonry chimneyexposed to the outdoors on one or more sides below the roofline.” The ability to use a clay lined masonry chimney dependson a parameter not associated with interior ...
Page 12 - d) Tile liner cracked; Termination 10 Feet Or Less From Ridge, Wall or Parapet
12 IO-247A 12/04 C HECK 3 - C HIMNEY C ROWN C ONDITION . Damage from condensate usually shows up first in the crown. Ifany of the following trouble signs are present, the condition of thecrown is not satisfactory: a) Crown leaning b) Bricks missing c) Mortar missing d) Tile liner cracked e) No tile ...
Page 14 - Line voltage wiring; VIII. ELECTRICAL CONNECTIONS
14 IO-247A 12/04 WARNING T O AVOID THE RISK OF INJURY, ELECTRICAL SHOCK OR DEATH, THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR, IN THEIR ABSENCE, WITH THE LATEST EDITION OF THE N ATIONAL E LECTRIC C ODE. W IRING H ARNESS The wiring harness is an integral part of this f...
Page 15 - Integrated Ignition Control; OLT; INGLE; Two-Stage Heating with Single-Stage Cooling
15 IO-247A 12/04 burner compartment will need to move the juction boxdirectly over. 4. Attach the junction box to the right side of the furnace, using the screws removed in step 2. 5. Check the location wiring. Confirm that it will not be damaged by heat from the burners or by the rotation of thefan...
Page 16 - T h e r m o s t a t D i a g r a m s; timed; opens on; A heat pump thermostat with
16 IO-247A 12/04 T h e r m o s t a t D i a g r a m s S ETTING THE H EAT A NTICIPATOR The following method should be used in measuring the ampdraw of the control circuit to assure proper adjustment of thethermostat heat anticipator R R • Wrap the “R” leg around a clip-on amp meter 10 times.• Energize...
Page 17 - Control Module; Optional; Figure 15 - Accessories Wiring; IX. GAS SUPPLY AND PIPING; CAUTION; O R I F IC E S I Z E
17 IO-247A 12/04 All field wiring must conform to applicable codes. Connectionsshould be made as shown in the following illustration. EA C Li ne T ran s for me r Hu m Li ne T ran s for me r EA C Hu m Air Cleaner Humidifier Control Module Hot 120 VAC Neutral 120 VAC Optional Accessories { Figure 15 -...
Page 18 - not; Natur al Gas Capacity of Pipe
18 IO-247A 12/04 1,000 Btu/ft 3 is determined by- Corrected Input = 90,000 - (6,000 X .04) X (90,000 / 1,000) Corrected Input = 90,000 - (240 X 90) Corrected Input = 90,000 - 21,600 Corrected Input = 68,400 Using the orifices sized as shown in the table for 6,000 feet (#45),a meter time of 52.6 seco...
Page 19 - Drip Leg; General Furnace Layout; When the gas piping enters through the right side of the furnace; W ARN ING
19 IO-247A 12/04 • Install a drip leg to trap dirt and moisture before it can enter the gas valve. The drip leg must be a minimum of threeinches long. • Install a 1/8" NPT pipe plug fitting, accessible for test gage c o n n e c t i o n , i m m e d i a t e l y u ps t r e a m o f t h e g a s s u p...
Page 20 - Continuous; Pipe or; X. CIRCULATING AIR AND FILTERS
20 IO-247A 12/04 For satisfactory operation, propane gas pressure must be 11 inchWC at the furnace manifold with all gas appliances in operation.Maintaining proper gas pressure depends on three main factors: 1. Vaporization rate, depending on temperature of the liquid, and “wetted surface” area of t...
Page 21 - FURNACE INPUT; MINIMUM FILTER SIZES; XI. SEQUENCE OF OPERATION; balance
21 IO-247A 12/04 F ILTERS - R EAD T HIS S ECTION B EFORE I NSTALLING T HE R ETURN A IR D UCTWORK Filters must be used with this furnace. Discuss filter maintenancewith the building owner. Filters do not ship with this furnace, butmust be provided by the installer. Filters must comply with UL900or CA...
Page 22 - White-Rodgers Model 36E54 Connected to Manometer; Troubleshooting Chart
22 IO-247A 12/04 1. Close the manual gas shutoff valve external to the furnace. 2. Turn off the electrical power to the furnace. 3. Set the room thermostat to the lowest possible setting. 4. Remove the burner compartment door. NOTE: This furnace is equipped with an ignition device which automaticall...
Page 23 - With Power and Gas Off:; Measuring Inlet Gas Pressure (Alternate Method)
23 IO-247A 12/04 manifold pressure, use the following procedure. 1. Turn OFF gas to furnace at the manual gas shutoff valve external to the furnace. 2. Connect a calibrated water manometer (or appropriate gas pressure gauge) at the gas valve outlet pressure tap (referto gas valve figure in previous ...
Page 24 - Temperature Rise Measurement; OFF; blinks once for each 100 CFM of airflow.
24 IO-247A 12/04 5. Turn ON gas and relight appliances turned off in step 1. Ensure all the appliances are functioning properly and thatall pilot burners are operating. T EMPERATURE R ISE Air temperature rise is the temperature difference between supplyand return air. The proper amount of temperatur...
Page 25 - Heat Off Delay S; air circulator blower fan; Adjustment Switches
25 IO-247A 12/04 O FF 1 00 % C FM C o ol i ng Dem and 1 00 % C FM 1 m in 5 0% C FM O FF ½ m in • Profile C ramps up to 82% of the full cooling demand airflowand operates there for approximately 7 ½ minutes. The motorthen steps up to the full demand airflow. Profile C also hasa 1 minute/100% OFF dela...
Page 26 - Burner Flame
26 IO-247A 12/04 XIII. OPERATIONAL CHECKS WARNING T O AVOID PERSONAL INJURY OR DEATH, DO NOT REMOVE ANY INTERNAL COMPARTMENT COVERS OR ATTEMPT ANY ADJUSTMENT. E LECTRICAL COMPONENTS ARE CONTAINED IN BOTH COMPARTMENTS. T O PREVENT PROPERTY DAMAGE, PERSONAL INJURY OR DEATH DUE TO EXPLOSION AND/OR FIRE...
Page 27 - Internal Filter Removal
27 IO-247A 12/04 XV. TROUBLESHOOTING E LECTROSTATIC D ISCHARGE (ESD) P RECAUTIONS NOTE: Discharge body’s static electricity before touching unit. An electrostatic discharge can adversely affect electrical components. Use the following precautions during furnace installation andservicing to protect t...
Page 28 - “Operational; XVII. BEFORE LEAVING AN INSTALLATION
28 IO-247A 12/04 U PRIGHT F ILTER R EMOVAL To remove filters from an external filter rack in an upright upflowinstallation, follow the directions provided with external filter rackkit. Clean, wash and dry a permanent filter. When using a metal filter,both sides should be sprayed with a dust adhesive...
Page 29 - FLASH
29 IO-247A 12/04 1 Integrated control module will automatically attempt to reset from lockout after one hour. Troubleshooting Chart • Furnace lockout due to an excessivenumber of ignition“retries” (3 total) 1 . • Auxiliary limit open • Locate and correct gas interruption. • Replace or realign ignite...
Page 31 - Wiring Diagram
31 IO-247A 12/04 Wiring Diagram AUTO RESET F U S E 3 A YL 2 4 V A C PR D R A F T P R E S S U R E S W I T C H I N T E G R A T E D C O N T R O L 9 3 . I F A N Y O F T H E O R I G I N A L W I R E A S S U P P L I E D W I T H T H E F U R N A C E M U S T B E 4 . U N I T M U S T B E P E R M A N E N T L Y G...
Page 32 - Quality Makes the Difference!; There’s No Better Quality.
32 IO-247A 12/04 NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE Quality Makes the Difference! All of our systems are designed and manufactured with the same high quality standards regardless of size orefficiency. We have designed these units to significa...