Carrier 58MTB- Manuals

NOTE: Failure to use CPVC elbows may allow drain to kink and prevent draining. f. Connect larger diameter drain tube and clamp (factory- supplied in loose parts bag) to condensate trap and clampsecurely. g. Route tube to coupling and cut to appropriate length. h. Attach tube to coupling and clamp se...

2. Inducer Housing Drain Tube a. Remove and discard LOWER (molded) inducer housing drain tube which was previously connected to condensatetrap. b. Use inducer housing drain extension tube (violet label and factory-supplied in loose parts bag) to connect LOWERinducer housing drain connection to the c...

d. Clamp tube to prevent any condensate leakage. 3. Relief Port Tube a. Extend collector box tube (green label) which was previ- ously connected to the condensate trap by splicing to smalldiameter tube (factory-supplied in loose parts bag). b. Route extended collector box pressure tube to relief por...

MINOR PROPERTY DAMAGEFailure to follow this caution may result in minor propertydamage.Local codes may require a drain pan under entire furnace andcondensate trap when a condensing furnace is used in atticapplication or over a finished ceiling. NOTE: The auxiliary junction box (J-Box) MUST be reloca...

d. Clamp tube to prevent any condensate leakage. 2. Inducer Housing Drain Tube: a. Remove factory-installed cap and clamp from LOWER inducer housing drain connection. b. Remove and discard UPPER (molded) inducer housing drain tube which was previously connected to condensatetrap. c. Install cap and ...

UNIT MAY NOT OPERATEFailure to follow this caution may result in intermittent unitoperation.The condensate trap MUST be installed below furnace. SeeFig. 5 for dimensions. The drain connection to condensatetrap must also be properly sloped to an open drain. NOTE: Combustion-air pipe (when applicable)...

UNIT DAMAGE HAZARDThis gas furnace may be used for construction heat providedthat:-The furnace is permanently installed with all electricalwiring, piping, air filters, venting and ducting installedaccording to these installation instructions. A return air ductis provided, sealed to the furnace casin...

NON-DIRECT VENT (1-PIPE) APPLICATION UNIT DAMAGE HAZARDFailure to follow this caution may result in intermittent unitoperation.Do not install furnace in a corrosive or contaminated atmo-sphere. Make sure all combustion and circulating air require-ments are met. Refer to the AIR FOR COMBUSTION AND VE...

b. Not less than the sum of the areas of all vent connectors in the space. The opening shall commence within 12 ″ (300 mm) of the ceiling. Appliances in the space shall have clearances of atleast 1 ″ (25 mm) from the sides and back and 6 ″ (150 mm) from the front. The opening shall directly communic...

If: I other = combined input of all other than fan-assisted appli- ances in Btu/hr I fan = combined input of all fan-assisted appliances in Btu/hr ACH = air changes per hour (ACH shall not exceed 0.60.) The following requirements apply to the Standard Method and tothe Known Air Infiltration Rate Met...

Combination of Indoor and Outdoor Air 1. Indoor openings shall compy with the Indoor Combustion Air Method below and, 2. Outdoor openings shall be located as required in the Outdoor Combustion Air Method mentioned previously and, 3. Outdoor openings shall be sized as follows: a. Calculate the Ratio ...

Table 3—Opening Dimensions (In.) FURNACE CASING WIDTH APPLICATION PLENUM OPENING FLOOR OPENING A B C D 17-1/2 Upflow Applications 16 24-1/8 16-5/8 24-3/4 Downflow Applications on Non-Combustible Flooring 15-7/8 19 16-1/2 19-5/8 Downflow Applications on Combustible Flooring Using KGASB Subbase Furnac...

furnace, the return air must also be handled by a duct(s) sealed tothe furnace casing and terminating outside the space containing thefurnace. Secure ductwork with proper fasteners for type of ductwork used.Seal supply- and return-duct connections to furnace with codeapproved tape or duct sealer. Fl...

The air filter arrangement will vary due to application, furnaceorientation, and filter type. The filter may be installed in anexternal Filter/Media cabinet (if provided) or the furnace blowercompartment. Factory supplied washable filters are shipped in theblower compartment. If a factory-supplied e...

CUT HAZARDFailure to follow this caution may result in minor personalinjury.Use care when cutting support rods in filters to protect againstflying pieces and sharp rod ends. Wear safety glasses, gloves,and appropriate protective clothing. UNIT MAY NOT OPERATEFailure to follow this caution may result...

Step 7—Gas Piping Gas piping must be installed in accordance with national and localcodes. Refer to current edition of NFGC in the United States. Canadian installations must be made in accordance with NSCNG-PIC and all authorities having jurisdiction. Gas supply line should be a separate line runnin...

Step 8—Electrical Connections See Fig. 31, 32, and 50A-H for field wiring diagram showingtypical field 115-v and 24-v wiring. Check all factory and fieldelectrical connections for tightness. ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injuryor death.Blower access d...

Use a separate, fused branch electrical circuit containing a properlysized fuse or circuit breaker for this furnace. See Table 6 for wiresize and fuse specifications. A disconnecting means must belocated within sight from and readily accessible to furnace. NOTE: Proper polarity and proper grounding ...

Step 9—Removal of Existing Furnaces fromCommon Vent Systems When an existing Category I furnace is removed or replaced, theoriginal venting system may no longer be sized to properly ventthe remaining attached appliances. An improperly sized CategoryI venting system could cause the formation of conde...

Fig. 36—Wiring Diagram A02176 GV HI M G RN/ Y E L C NO T E #3 BR N BL U BR N G R N /YEL RE D RE D FR S LS NO T E #1 1 OR N YEL HS I L1 NO T E # 2 GN D NE UT R A L FU 2 FU SE O R C IR C U IT B R EA K ER & DI SC O N N EC T SWI TC H ( WHE N R EQ’ D ) BL K IL K PL5 JB 1 2 SEC -1 LE D SEC -2 FU SE 3-...

FIRE AND EXPLOSION HAZARDFailure to follow this warning could result in fire, propertydamage, personal injury, or death.Solvent cements are combustible. Keep away from heat,sparks, and open flame. Use only in well-ventilated areas.Avoid breathing in vapor or allowing contact with skin oreyes. In Can...

UNIT CORROSION HAZARDExcessive exposure to contaminated combustion air mayresult in safety and performance related problems.Combustion air must not be taken from inside structurebecause inside air is frequently contaminated by halogens,which include fluorides, chlorides, bromides, and iodides.These ...

Table 8—Direct Vent Termination Clearance A05009 32

→ Table 9—Other than Direct Vent Termination Clearance A05013 33

Attachment of Combustion Air Pipe 1. Determine location of combustion air intake pipe connection to combustion air intake housing as shown in Fig. 38 forapplication. 2. Reposition combustion air intake housing plug fitting in appropriate unused intake housing connection. 3. Install combustion-air pi...

NOTE: (Direct Vent/2-Pipe ONLY) vent pipe system has the same diameter and same length as combustion air pipe as men- tioned in section ″ Assembly of Combustion Air Pipe (Direct Vent/2-Pipe system ONLY). ″ NOTE: Do not count elbows or pipe sections in terminations or within furnace (all elbows shown...

UNIT DAMAGE HAZARDFailure to follow this caution may result in unit componentdamage.Vent pipe must be installed and fully seated against inducerhousing internal stop. Clamp must be tightened to prevent anycondensate leakage. 6. Install casing hole filler cap (factory-supplied in loose parts bag) in ...

EXAMPLE:An 080-12 size furnace located in Indianapolis, elevation650 ft above sea level, could be installed as either a directvent/2-pipe system that requires 3 elbows and 32 ft of ventpipe, along with 5 elbows and 34 ft of combustion-air pipeOR a non-direct vent/1-pipe system that requires 3 elbows...

Vent/2-Pipe system and Table 9 for Non-direct Vent/1-Pipesystem. For exterior piping arrangements, refer to Fig. 44 forDirect Vent/2-Pipe system and Fig. 45 for Non-Direct/1-Pipesystem. Roof termination is preferred since it is less susceptible to damageor contamination, and it has less visible vent...

Fig. 44—Combustion Air and Vent Pipe Termination for Direct Vent (2-pipe) System (All Sizes) A05090 At least 36 in. 18 in. maximum Vertical separationbetween combustionair and vent8 3/4 in. for 3 in. kit6 3/4 in. for 2 in. kit Roof Termination (Preferred) Abandoned masonryused as raceway(per code) A...

Combustion air and vent pipes MUST terminate outside structure.A factory accessory termination kit must be installed as shown inTable 13. There are four options of vent/combustion air termina-tion kits available as shown in Table 13. NOTE: Combustion air pipe must have the same diameter as vent pipe...

PERSONAL INJURY HAZARDCaution should be taken to prevent draining where slipperyconditions may cause personal injuries.Excessive condensate draining may cause saturated soilconditions which could result in damage to plants. CONDENSATE DRAIN PROTECTION Freezing condensate left in condensate trap and ...

FIRE HAZARDFailure to follow this caution may result in intermittent unitoperation or performance satisfaction.This furnace is equipped with a manual reset limit switch inthe burner box area. The switch will open and shut off powerto the gas valve if a flame rollout or overheating conditionoccurs in...

6. Operate furnace per instruction on outer door. 7. Verify furnace shut down by lowering thermostat setting below room temperature. 8. Verify that furnace restarts by raising thermostat setting above room temperature. OPERATE FURNACE Follow procedures on operating instructions label attached tofurn...

Table 14—Model 58MTB Orifice Size and High/Low-Heat Manifold Pressures for Correct Inputs for Use with 060 Through 120 Size Furnaces Only (Tabulated Data Based on 20,000/13,000 Btuh per Burner, Derated 2 Percent for Each 1000 ft Above Sea Level)* ALTITUDE RANGE (FT) AVG GAS HEAT VALUE (BTU/CU FT) SP...

Table 14—Model 58MTB Orifice Size and High/Low-Heat Manifold Pressures for Correct Inputs (Continued) for Use With 060 Through 120 Size Furnaces Only (Tabulated Data Based on 20,000/13,000 Btuh per Burner, Derated 2 Percent for Each 1000 ft Above Sea Level)* ALTITUDE RANGE (FT) AVG GAS HEAT VALUE (B...

3. Verify Natural Gas Input Rate By Clocking Gas Meter. NOTE: Be sure all pressure tubing, combustion-air and vent pipes, and burner enclosure front are in place when checking inputby clocking gas meter. a. Calculate high-altitude adjustment (if required). UNITED STATESAt altitudes above 2000 ft, th...

For low-heat, the following connections can be made at LO-HEAT on control: a. Med (Orange) -Available only on 5-speed motors b. Med-Low (Blue) c. Low (RED) - Factory setting. To change blower motor speed selections for heating mode,remove blower motor lead from control HI-HEAT terminal. (SeeFig. 37....

CHECKLIST 1. Put away tools and instruments. Clean up debris. 2. Check SW-1 through SW-3 after completing installation to ensure desired settings for thermostat type (SW-1) andblower-OFF delay (SW-2 and SW-3). 3. Verify flame rollout manual reset switch has continuity. 4. Verify that blower and oute...

5 Examine the furnace installation monthly to determine that:1. All fl ue gas carrying areas external to the furnace (i.e. chimney, vent connector) are clear and free of obstructions. 2. The vent connector is in place, slopes upward and is phys- ically sound without holes or excessive corrosion. 3. ...

6 11 12 3. Turn OFF electrical supply to the furnace. (See Fig. 12.)4. Remove main furnace door. (See Fig. 13.) 13 5. The gas valve will have a control switch to turn off and on. Turn the control switch on the gas control to the OFF position and wait 5 minutes. (See Fig. 14 or 15.) Then smell for ga...

7 After the hot surface igniter is heated for 17 seconds, the gas valve permits gas to fl ow to the main burners. After ignition and a time delay of about 60 sec, the furnace blower will start. Variable-capacity furnaces start at low speed until the control makes the necessary adjustments to operate...

8 Only trained and quali fi ed personnel should install, repair, or ser- vice heating equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air fi lters. All other operations must be performed by trained and qual-i fi ed service agency personnel. Obser...

9 31 32 b) Electronic air cleaner (EAC) – Refer to EAC Owner’s Manual for maintenance information. 5. If washable fi lter, wash fi lter (if dirty) in sink, bathtub, or out- side with a garden hose. Always use cold tap water. A mild liquid detergent may be used if necessary. Spray water through fi lt...

10 Check the combustion-air intake and vent pipe on the outside of your home for blockage.When dirt, soot, scale, or rust is allowed to build up, your furnace can suffer a loss of ef fi ciency and perform improperly. Accumu- lations on the main burners can result in fi ring out of normal sequence. T...

11 6. Insert fi eld-supplied funnel into tube. 7. Pour 1 quart of antifreeze into funnel/tube. Antifreeze should run through inducer housing, over fi ll condensate trap, and fl ow into open fi eld drain. (See Fig. 43.) 8. Remove funnel and tube from inducer housing and replace drain connection cap a...

TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or the classi fi ed section of your local telephone directory under the “Heating Equipment’’ or “Air Conditioning Contractors & Systems’’ heading for dealer listing by brand name. Have available the Model No., Series Letter, & Se...