Instruction/ maintenance manual of the product 58MCA Carrier
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58MCA 4-Way Multipoise Fixed-Capacity Direct-Vent Condensing Gas Furnace Service and Maintenance Instructions → For Sizes 040—140, Series 131 NOTE: Read the entire instruction manual before performing any service or maintenance. This symbol → indicates a change since the last issue.
The ability to properly perform maintenance on this equip- ment requires certain expertise, mechanical skills, tools, and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment other than those procedures recommended in the User’s Manual.
Step 1—Cleaning and/or Replacing Air Filter The air filter arrangement may vary depending on the application or orientation. Never operate unit without a filter or with the blower access panel removed. Failure to follow this warning could result in a fire or personal injury.
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 collector box.
Never use matches, candles, flame, or other sources of ignition to check for gas leakage. Use a soap-and-water solution. 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 performed by a qualified service technician.
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.
Never use matches, candles, flame, or other sources of ignition to check for gas leakage. Use a soap-and-water solution. Failure to follow this warning could result in a fire, personal injury, or death.
Allow ignitor to cool before removal. Normal operation temperatures 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 box housing.
NOTE: If the polarity is not correct, the STATUS LED on the control center will flash rapidly and prevent the furnace from operating. The control system also requires an earth ground for proper operation of the control center and flame sensing. The 24-v circuit contains an automotive-type, 3-amp fuse located on the control center.
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 metallic component such as the gas valve.
Fig. 14—Inducer Housing Drain Tube A94208 Fig. 15—Funnel in Drain and Antifreeze Running Through Trap A94209 11.
Fig. 16—Wiring Diagram A95087 PCB BLOWER OFF DELAY SELECTION CH AR T 90 SEC 135 SEC 180 SEC 225 SEC GVR HI/LO RELAY SEC-1 SEC- 2 WHT PL1 3 2 1 6 5 4 9 87 LED TEST/TWIN BLOWER OFF DELAY G R Y W C HUM HSIR IDR BLWR BLOWER SPEED SELECT FU1 COOL HEAT L2 PL3 PL2 VAC 120 L1 PR1 1 2 1 2 3 PR2 24 VAC-3A FUSE SPARE-2 SPARE-1 EAC-1 EAC-2 C 1.
→ Fig. 17—Service Label A96263 SERVICE 11 NO PREVIOUS CODE - Stored status cod es are erased when p ower (115V o r 24V) to control is interrupted or 48 hours after ea ch fault is cleare d. 12 BLOWER ON AFTER POWER UP (115V o r 24V) - Blower runs for 90 seconds, if unit is power ed up during a call for hea t (R-W closed).
Is circuit breaker closed? Close door switch and go to start. Is red LED status light on? Is door switch closed? Is red LED status light blinking rapidly without a pause? Is there 115v going to switch? Replace door switch. Replace control center. Replace transformer.
11 NO PREVIOUS FAULT - Faults are erased after 48 hrs or whenever power (115v or 24v) is interrupted. Run system through a heating or cooling cycle to check system.
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.
An important point after buying a device Carrier 58MCA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 58MCA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Carrier 58MCA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 58MCA you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 58MCA will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 58MCA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Carrier 58MCA.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 58MCA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 58MCA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center