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CANADIAN GAS ASSOCIATION
58PAV, 58RAV
Induced-Combustion Furnaces
Service and Maintenance Instructions
For Sizes 045-155, Series 131
NOTE: Readtheentireinstructionmanualbeforeperformingany
service or maintenance.
This symbol → indicates a change since the last issue.
Index Page
SAFETY CONSIDERATIONS..................................................1-2
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
PROCEDURES.........................................................................2
CARE AND MAINTE
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The ability to properly perform maintenance on this equip- Neverstoreanythingon,near,orincontactwiththefurnace, ment requires certain expertise, mechanical skills, tools, and such as: equipment. If you do not possess these, do not attempt to 1. Spray or aerosol cans, rags, brooms, dust mops, vacuum perform any maintenance on this equipment other than those cleaners, or other cleaning tools. procedures recommended in the User’s Manual. FAILURE 2. Soap powders, bleaches, waxes or other cleaning co
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d. Furnaces are equipped with permanent, washable filters. Clean filters with tap water. Spray water through filter in opposite direction of airflow. e. Rinse and let dry. Oiling or coating of filters is not recommended or required. f. Reinstall filters. g. Replace blower access door. AIRFLOW h. Restore electrical power to furnace. 2. Upflow Each furnace requires 1 or 2 filters which are installed in the blower compartment. (See Fig. 6.) To remove filte
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VENT PIPE
DRAFT
ENCLOSURE MOUNTING
SAFEGUARD
SCREWS AUXILIARY
SWITCH LIMIT
SWITCH
RELIEF
(WHEN USED) BOX FLUE
CONTROL
MOUNTING
COLLECTOR
BOARD SCREWS BOX CONTROL
DRAFT
BOARD MANUAL
SAFEGUARD
RESET LIMIT
SWITCH RELIEF
SWITCH BOX FILTER
RETAINER MANUAL
WASHABLE
RESET LIMIT
FILTER SWITCHES A92063 A92064 Fig. 6—Model 58PAV Upflow Fig. 7—Model 58RAV Downflow 9. Loosen setscrew holding blower wheel on motor shaft. 18. Reconnect wires to auxiliary limit switch on blower housing (d
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8. Cleancellsusingfield-providedsmallwirebrush,steelspring 13 11 32" 32" cable, reversible electric drill, and vacuum cleaner. BURNER a. Assemble wire brush and steel spring cable. (1.) Use 48 in. of 1/4-in. diameter high-grade steel spring cable (commonly known as drain clean-out or Roto- CELL
PANEL Rooter cable). (2.) Use1/4-in.diameterwirebrush(commonlyknownas 25-caliber rifle cleaning brush). HOT
SURFACE
NOTE: Thematerialsneededinitems(1.)and(2.)canusuallybe IGNITOR
purchased at local ha
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→ELECTRICAL CONTROLS AND WIRING a. LEDflashesafaultcode4times.Recordthisfaultcodefor further troubleshooting. b. Inducer motor operates for 10 sec, then turns off. Theremaybemorethan1electricalsupplytotheunit.Check c. Hot surface ignitor is energized for 15 sec, then de- accessoriesandcoolingunitforadditionalelectricalsupplies. energized. d. Main blower operates at cooling speed for 10 sec, then The electrical ground and polarity for 115-v wiring must be turns off. maintained properly. Refer to
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FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING THERMOSTAT
W R G Y FOUR
FIELD-SUPPLIED
TERMINALS WIRE
FUSED DISCONNECT TWO-WIRE
208/230- OR
HEATING-
460-VOLT
ONLY THREE
PHASE W BLK BLK R WHT WHT 208/230-
VOLT
GND GND G SINGLE
AUXILIARY
115-VOLT FIELD-
PHASE J-BOX C GND SUPPLIED
CONTROL
FUSED
CONDENSING
Y BOX DISCONNECT UNIT TWO
24-VOLT
NOTE: If any of the original wire,
WIRE
TE
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8 (WHEN USED) SCHEMATIC DIAGRAM TO 115VAC FIELD DISCONNECT SW2 NOTE #12 (WHEN USED) G BLOWER PRS LGPS R DSS ALS NEUTRAL (NATURAL GAS & PROPANE) NOTE #4 OFF L1 PCB Y ORN EQUIPMENT GROUND DELAY W SW1 C L2 OM ILK LO BLOWER OFF DELAY HUM SPARE-1 MED LO SELECTION CHART TEST/TWIN YEL NOTE #6 HEAT MED HI PL4 1 2 LED BLU HI 90 SEC SPARE-2 START (WHEN USED) HI/LO OL L1 NOTE #8 BLWR 135 SEC FRS2 RED 1-M 3-P COOL RED CAP COM PL1 180 SEC 3 2 1 LS COM GV BLWM EAC-1 WHT 225 SEC 6 4 5 FSE HSIR 9 8 7 RED 2-C E
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TEST STATUS 3 2 1 6 5 4 9 8 7 SERVICE LABEL SERVICE LED CODE STATUS CONTINUOUS OFF
- Check for 115VAC at L1 and L2, and 24VAC at SEC-1 and SEC-2.
CONTINUOUS ON
- Control has 24V power.
RAPID FLASHING - Line voltage (115V) polarity reversed. If twinned, 24V power to
one furnace may be out of phase with 24V power to other furnace. EACH OF THE FOLLOWING STATUS CODES IS A TWO DIGIT NUMBER WITH THE FIRST
DIGIT DETERMINED BY THE NUMBER OF SHORT FLASHES AND THE SECOND DIGIT
BY THE NUMBER OF L
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10 TROUBLESHOOTING GUIDE START NO NO NO Is red LED status light on? Is there 115v at L1 and L2? Is door switch closed? Close door switch and go to start. YES YES YES NO NO NO Is there 24v at SEC-1 and SEC-2? Is there 115v going to switch? Is circuit breaker closed? YES YES Replace door switch. Close circuit breaker and
Replace control board. go back to start. YES Replace transformer. Check for continuity in wire from
circuit breaker to furnace. Is red LED status light blinking
YES Check for
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11 31 PRESSURE, DRAFT
Unplug ignitor harness from control
11 NO PREVIOUS FAULT - Faults
SAFEGUARD (WHEN USED),
center and inititate another
are erased after 48 hrs or
OR AUXILIARY LIMIT (WHEN
component test sequence and check
NO whenever power (115V or 24V)
Replace control board. USED) SWITCH WILL NOT
for 115v between pins 1 and 2 on
is interrupted. Run system
CLOSE OR REOPEN - If open
the board. Was there 115v present
through a heating or cooling
longer than 5 minutes, induc
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Copyright 1994 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58pr9sm Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 535-835 Printed in U.S.A. Form 58P,R-9SM Pg 12 9-94 Replaces: 58P,R-8SM Tab 6a 8a
