Carrier 58MCA- Manuals

Page 2 - Fig. 2—Multipoise Orientations

The ability to properly perform maintenance on this equip-ment requires certain expertise, mechanical skills, tools, andequipment. If you do not possess these, do not attempt toperform any maintenance on this equipment other than thoseprocedures recommended in the User’s Manual. FAILURETO FOLLOW THI...

Page 3 - Fig. 3—Bottom Filter Arrangement; WASHABLE

Step 1—Cleaning and/or Replacing Air Filter The air filter arrangement may vary depending on the applicationor orientation. Never operate unit without a filter or with the blower accesspanel removed. Failure to follow this warning could result ina fire or personal injury. To clean or replace the fil...

Page 4 - Step 3—Cleaning Burners; Table 1—Speed Selector; MANIFOLD

11. Reinstall condensate trap and tubing if previously removed. a. Reinstall condensate trap in hole in blower shelf. b. Connect condensate trap drain tubes. See Fig. 8 or tubing diagram on main furnace door for proper tube location. (1.) Connect 1 tube (blue or blue and white striped) from collecto...

Page 5 - Step 4—Cleaning Heat Exchangers; Fig. 6—Cleaning Inlet Openings of Primary Heat; PAM

Never use matches, candles, flame, or other sources ofignition to check for gas leakage. Use a soap-and-watersolution. Failure to follow this warning could result in a fire,personal injury, or death. 19. Replace main furnace door. Step 4—Cleaning Heat Exchangers The following items should be perform...

Page 6 - Fig. 8—Furnace Pressure and Drain Tubing Diagram; HORIZONTAL; INSTALLATION

Fig. 8—Furnace Pressure and Drain Tubing Diagram A96212 Furnace is shipped from factory in upflow configuration. Pressure tube and drain tube routing MUST match the diagrams below. 322593-101 REV. A NOTE: This appliance requires a special venting system. Refer to theinstallation instructions for par...

Page 7 - Step 6—Servicing Hot Surface Ignitor; BURNER FLAME; Fig. 10—Gasket on Collector Box; RTV

Never use matches, candles, flame, or other sources ofignition to check for gas leakage. Use a soap-and-watersolution. Failure to follow this warning could result in a fire,personal injury, or death. 18. Replace main furnace door. SECONDARY HEAT EXCHANGERS NOTE: The condensing side (inside) of the s...

Page 8 - Step 7—Electrical Controls and Wiring; Fig. 11—Hot Surface Ignitor Location and Burner

Allow ignitor to cool before removal. Normal operationtemperatures exceed 2000°F. a. Do not remove ignitor from retainer while assembly is in furnace. Using a small pocket straight-blade screwdriver,slowly pry 1 edge of the spring retainer from burner boxhousing. While working ignitor assembly loose...

Page 9 - Step 8—Troubleshooting; Fig. 13—Control Center

NOTE: If the polarity is not correct, the STATUS LED on the control center will flash rapidly and prevent the furnace fromoperating. The control system also requires an earth ground forproper operation of the control center and flame sensing. The 24-v circuit contains an automotive-type, 3-amp fuse ...

Page 10 - Step 10—Winterizing; F MINIMUM INSTALLED

NOTE: Leave blower access panel installed to maintain power to control center to view current LED status. 4. BRIEFLY remove either wire from the main limit switch until the LED goes out, then reconnect it. Make sure limit switch wire does not contact any metalliccomponent such as the gas valve. If w...

Page 12 - Diagram; PCB

Fig. 16—Wiring Diagram A95087 PCB BL OWER O FF DE LAY SE LEC T IO N CH AR T 90 SEC 135 SEC 180 SEC 225 SEC GVR H I/L O RE L A Y SE C- 1 SE C- 2 WHT PL 1 3 2 1 6 5 4 9 87 LE D TEST/TWIN BL OWER OF F DE LAY G R Y W C HU M HS IR ID R B L W R BL OWER SP EED SE LEC T FU 1 C OOL HE AT L2 PL 3 PL 2 VA C 12...

Page 13 - Fig. 17—Service Label; SERVICE; 3 PRESSURE SWITCH DID NOT OPEN Check for:; COMPONENT TEST; LED CODE

→ Fig. 17—Service Label A96263 SERVICE 11 NO PREVIOUS CODE - Stored status codes are erased when power (115V or 24V) to control is interrupted or 48 hours after each fault is cleared. 12 BLOWER ON AFTER POWER UP (115V or 24V) - Blower runs for 90 seconds, if unit is powered up during a call for heat...

Page 16 - 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...