Page 2 - CARE AND MAINTENANCE; WARNING; Step 1—Air Filter Cleaning and Replacement; CAUTION; —Filter Installed for Bottom Inlet in Upflow
CARE AND MAINTENANCE For continuing high performance and to minimize possible equip ment failure, it is essential that maintenance be performed annually on this equipment. Consult your local dealer for maintenance and the availability of a maintenance contract. A WARNING Turn OFF the gas and electr...
Page 3 - Fig. 6—Model 58DXC Downflow Furnace
step 2—Blower Motor and Wheel Maintenance For long life, economy, and high efficiency clean accumulated dirt and grease from blower wheel and motor annually. The following items should be performed by a qualified service technician; Some motors have prelubricated, sealed bearings and require no lubr...
Page 4 - Fig. 7—Cleaning Primary Heat Exchanger Cell
b. Reinstall vent pipe enclosure. c. Reconnect red wires to auxiliary limit switch. 20. Connect electrical leads to blower speed selector. Note that connections are polarized for correct assembly — do not force. 21. Turn ON electrical supply and check for proper rotation and speed changes between he...
Page 5 - Fig. 8—Inside View of Coupling Box
(5.) Repeat procedures (above) until each furnace cell has been cleaned. (6.) Using vacuum cleaner, remove residue from each cell. ' (7.) Using vacuum cleaner with soft brush attachment, clean burner assembly. Step 4 —Reassemble Furnace (After Cleaning Heat Ex changers) 1. Install choke plate (when...
Page 6 - IF; il—fl; Fig. 12—Position of Ignitor to Burner; Fig, 13—Upflow Furnace Pressure and Drain Tub; A WARNING; Step 5—Clean Condensate Drainage System
13/32"- B 1 b IF \X il—fl 'Vaa" / ' IGNITOR A S S E M B L Y K / \ Ig IGNITOR (g BURNER IGNITOR A S S E M B L Y A91064 Fig. 12—Position of Ignitor to Burner ^8 OD PRESSURE TUBING HEAT EXCHANGER DIFFERENTIAL PRESSURE SWITCH % OD PRESSURE TUBING VZ OD DRAIN TUBING(TUBE PASSES THROUGH BLOWER SHE...
Page 7 - Fig. 15—Heating and Cooiing Appiication Wiring Diagram; Step 8—Winterizing
__________ FIELD 24-VOLT WIRING— —FIELD 115-, 208/230-, 460-VOLT WIRING FACTORY 24-VOLT WIRING FACTORY 115-, 208/230-, 460-VOLT WIRING 115-VOLT SINGLE PHASE —^-»-rrn----- -JL— ■=*GND 1^0 115-VOLT FIELD-SUPPLIED FUSED DISCONNECT AUXILIAHY J-BOX (w>- e>- (¡>- o^- -VOLT NOTES: 1. CONNECT Y-TER...
Page 8 - nCX
RED GVR O tpb CPU HUMR HUM-1 (TP YEL 0_R O t P7 W Y R C G 0 0 0 0 0 24V AC 0 .5 AMP. MAX. PC8 COMMON nCX >—I JW9 NOTE /8 SELF ^ ^ ^ ^ 90 135 180 225 I® ^ BLOWER OFF DELAY NOTE #7 STl ST2 LEGEND ALS BLWR BLWMCAPCPUEAC-1EAC-2 FR5FSE .FUlFU2GV6VR HI/LOH5!HSIRHUM-1HUMR !DM ■I DRILK JBJH9 LGPSLSPCB PL...
Page 9 - TROUBLESHOOTING GUIDE; HSI CONDENSING FURNACES
START TROUBLESHOOTING GUIDE HSI CONDENSING FURNACES