CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . 1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
RECEIVING AND INSTALLATION . . . . . . . . . . . . . . . . . 10-22 I. Step 1 Ð Check Equipment . . . . . . . . . . . . . . . . . 10 II. Step 2 Ð Provide Unit Support . . . . . . . . . . . . . . 10 III. Step 3 Ð Field Fabricate Ductwork . . . . . . . . . . . 10 IV. Step 4 Ð Provide Clearances . . . . . . . . . . . . . . . . 10 V. Step 5 Ð Rig and Place Unit . . . . . . . . . . . . . . . . 10 VI. Step 6 Ð Connect Condensate Drain . . . . . . . . . 13 VII. Step 7 Ð Install Flue Hood . . . . . . . . . . . . . . . . . . 13 VIII. Step 8 Ð Install Gas Piping . . . . . . . . . . . . . . . . . 13
IX. Step 9 Ð Install Duct Connections . . . . . . . . . . . 16 X. Step 10 Ð Install Electrical Connections . . . . . . 18
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22,23
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-44 I. Check for Refrigerant Leaks . . . . . . . . . . . . . . . . . 23
II. Start Up Heating Section and
Make Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 23
III. Start Up Cooling Section and
Make Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 26
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44-47
I. Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
II. Unit Top Removal . . . . . . . . . . . . . . . . . . . . . . . . . . 45
III. Evaporator Blower and Motor . . . . . . . . . . . . . . . . 45
IV. Flue Gas Passageways . . . . . . . . . . . . . . . . . . . . . 45
V. Combustion-Air Blower . . . . . . . . . . . . . . . . . . . . . 46
VI. Limit Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
VII. Burner Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
VIII. Main Burners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
IX. Condenser Coil, Evaporator Coil, and
Condensate Drain Pan . . . . . . . . . . . . . . . . . . . . . . 47
X. Condenser Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
XI. Electrical Controls and Wiring . . . . . . . . . . . . . . . 47
XII. Refrigerant Circuit . . . . . . . . . . . . . . . . . . . . . . . . . 47
XIII. Gas Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
XIV. Evaporator Air¯ow . . . . . . . . . . . . . . . . . . . . . . . . . 47
XV. Metering Device Ð Acutrol™ Device . . . . . . . . . . 47
XVI. Liquid Line Strainer . . . . . . . . . . . . . . . . . . . . . . . . 47
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . 48-50
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . CL-1
NOTE TO INSTALLER Ð Before the installation, READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY. Also, make sure the User's Manual and Replacement Guide are left with the unit after installation. This unit is NOT to be used for temporary heating of buildings or structures un- der construction.
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical compo- nents. Only trained and quali®ed personnel should install, repair, or service air-conditioning equipment.
Cancels: II 588A-18-8 | II 588A-18-9 |
| 9/15/98 |
Fig. 1 Ð Unit 589A Shown With Optional Base Rail
Untrained personnel can perform basic maintenance func- tions of cleaning coils and ®lters. All other operations should be performed by trained service personnel. When working on air-conditioning equipment, observe precautions in the lit- erature, tags and labels attached to the unit, and other safety precautions that may apply.
Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for unbrazing operations. Have ®re ex- tinguisher available for all brazing operations.
WARNING: Improper installation, adjustment, alter- ation, service, maintenance, or use can cause carbon mon- oxide poisoning, ®re, or an explosion which can result in personal injury or unit damage. Consult a quali®ed installer, service agency, or gas supplier for informa- tion or assistance. The quali®ed installer or agency must use only factory-authorized kits or accessories when modi- fying this product.
WARNING: Before performing service or mainte- nance operations on unit, turn off gas supply then unit main power switch. Electrical shock could cause per- sonal injury.
GENERAL
The 588A, 589A units (see Fig. 1) are fully self-contained, com- bination Category I gas heating/electric cooling units de- signed for outdoor installation. See Fig. 2-9 (pages 2-9) for unit dimensions. All unit sizes have discharge openings for both horizontal and down¯ow con®gurations, and are factory shipped with all 4 duct openings covered. Units may be in- stalled either on a rooftop or a ground-level cement slab. See Fig. 10 for roof curb dimensions.
