Page 2 - Fig. 1—Dimensional Drawing
Table 1—Dimensions (In.) UNIT SIZE A D E VENT CONN SHIP. WT (LB) 045-08 14-3/16 12-9/16 12-11/16 4 118 045-12 14-3/16 12-9/16 12-11/16 4 120 070-08 14-3/16 12-9/16 12-11/16 4 124 070-12 14-3/16 12-9/16 12-11/16 4 127 090-14 17-1/2 15-7/8 16 4 142 090-16 21 19-3/8 19-1/2 4 155 111-12 17-1/2 15-7/8 16...
Page 3 - Fig. 2—Clearances to Combustibles; MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION; Vent Clearance to combustibles:
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE Electrostatic discharge can affect electronic components.Take precautions during furnace installation and servicing toprotect the furnace electronic control. Precautions will pre-vent electrostatic discharges from personnel and hand toolswhich are ...
Page 4 - Step 1—Location; HAZARDOUS LOCATIONS; FRONT
and ordinances, especially those that may not have kept pace withchanging residential construction practices. We require theseinstructions as a minimum for a safe installation. Application of this furnace should be indoors with specialattention given to vent sizing and material, gas input rate, airt...
Page 5 - INPUT BTUH
Step 2—Air For Combustion and Ventilation Provisions for adequate combustion and ventilation air must beprovided in accordance with Section 5.3 of the NFGC, Air forCombustion and Ventilation, or applicable provisions of the localbuilding codes. Canadian installations must be installed in accordance ...
Page 6 - Fig. 3—Confined Space: Air For Combustion and; Fig. 4—Confined Space: Air For Combustion and; CONFINED; Table 2—Minimum Free Area Of Combustion Air Opening
Flexible connections should be used between ductwork andfurnace to prevent transmission of vibration. Ductwork passingthrough unconditioned space should be insulated to enhancesystem performance. When air conditioning is used, a vaporbarrier is recommended. Maintain a 1-in. clearance from combustibl...
Page 7 - Fig. 5—Side Filter Arrangement; WASHABLE; Fig. 6—Bottom Filter Arrangement; FURNACE; Fig. 7—Leveling Leg Installation
Step 4—Return Air Connections Never connect return-air ducts to the back of the furnace. Afailure to follow this warning can cause a fire, personal injury,or death. The return-air duct must be connected to bottom, sides (left orright), or a combination of bottom and side(s) of main furnacecasing as ...
Page 8 - Table 4—Maximum Capacity of Gas Pipe*; NOMINAL IRON; Fig. 8—Typical Gas Pipe Arrangement; GAS
Step 7—Gas Piping Gas piping must be installed in accordance with national and localcodes. Refer to the current edition of the NFGC. Canadianinstallations must be installed in accordance with NSCNGPIC andall authorities having jurisdiction. Refer to Table 4 for the recommended gas pipe size. Risers ...
Page 9 - Table 5—Electrical Data
casing). When moved, tuck the wiring harness behind the clipprovided to keep extra wire lengths out of the way. NOTE: Proper polarity must be maintained for 115-v wiring. If polarity is incorrect, control board fault code indicator light willflash rapidly and the furnace will not operate. 24-V WIRIN...
Page 10 - Step 9—Venting; GENERAL; Fig. 10—Furnace Control; Com
DO NOT connect furnace control HUM terminal to HUM(humidifier) terminal on Thermidistat™, Zone Controller, orsimilar device. See Thermidistat, Zone Controller, thermostat,or controller manufacturer’s instructions for proper connec-tion. A failure to follow this warning could result in fire. NOTE: A ...
Page 11 - PC
Fig. 11—Furnace Wiring Diagram A99404 PC B PL 7 3 2 1 6 5 4 98 7 G R Y W C HUM EA C -2 T R A N FS E NO T E # 5 GV NO T E #1 1 LS PR S (W HE N US E D ) LG P S GR N JB LE G E N D BL W R BL O W ER M O T O R R E L A Y, SPST -( N .O .) BL W M BL O W ER M O T O R CA P C A P A C IT O R C P U M IC R O PR O ...
Page 14 - * Orifices sizes shown in BOLD are factory installed.
Table 6—Model 58PAV Orifice Size* and Manifold Pressure for Correct Input (Tabulated Data Based on 22,000 Btuh per Burner, Derated 4 Percent per 1000 Ft Above Sea Level) ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC GRAVITY OF NATURAL GAS 0.58 0.60 0.62 0.64 0.66 Orifice No...
Page 15 - * Orifice sizes shown in BOLD are factory installed.
Table 6—Model 58PAV Orifice Size* and Manifold Pressure for Correct Input (Continued) (Tabulated Data Based on 22,000 Btuh per Burner, Derated 4 Percent per 1000 Ft Above Sea Level) ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC GRAVITY OF NATURAL GAS 0.58 0.60 0.62 0.64 0.6...
Page 16 - Only; BURNER
lead from 1 of the other terminals and relocate it to HEATterminal. See Table 9 for lead color identification. Recon-nect unused lead on SPARE terminal. Recheck temperature rise. It must be within air temperaturerise range specified on unit rating plate. Recommendedoperation is at midpoint of rise o...
Page 17 - BURNER FLAME; Table 9—Speed Selector
3. Set thermostat heat anticipator. The thermostat heat anticipator must be set to match the ampdraw of the electrical components in the R-W circuit. Accurateamp draw readings can be obtained at thermostat subbaseterminals R and W. Fig. 14 illustrates an easy method ofobtaining the actual amp draw. ...
Page 19 - CHECKLIST—INSTALLATION; LOAD CALCULATION
CHECKLIST—INSTALLATION LOAD CALCULATION ____________ Heating Load (Btuh) ____________ Cooling Load (Btuh) ____________ Furnace Model Selection AIR FOR COMBUSTION AND VENTILATION ____________ Unconfined Space ____________ Confined Space VENTING ____________ NFGC (United States) ____________ NSCNGPIC ...
Page 20 - SERVICE TRAINING; • Unit Familiarization
A94328 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory, and skills programs...