I. SAFETY INFORMATION WARNING PROPOSITION 65: THIS APPLIANCE CONTAINS FIBERGLASS INSULATION. RESPIRABLE PARTICLES OF FIBERGLASS ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER. WARNING THE MANUFACTURER’S WARRANTY DOES NOT COVER ANY DAMAGE OR DEFECT TO THE AIR CONDITIONER CAUSED BY THE ATTACHMENT OR USE OF ANY COMPONENTS, ACCESSORIES OR DEVICES (OTHER THAN THOSE AUTHORIZED BY THE MANUFACTURER) INTO, ONTO OR IN CONJUNC- TION WITH THE AIR CONDITIONER.
II. INTRODUCTION WARNING This booklet contains the installation and operating instructions for your self-contained IMPORTANT: ALL MANUFACTUR- air conditioner. There are a few precautions that should be taken to derive maximum ER PRODUCTS MEET CURRENT satisfaction from it. Improper installation can result in unsatisfactory operation or danger- FEDERAL OSHA GUIDELINES ous conditions.
2. Quick Reference Guide For R-410A WARNING • R-410A refrigerant operates at approximately 60% higher pressure (1.6 times) than THE MANUFACTURER’S WAR- R-22. Ensure that servicing equipment is designed to operate with R-410A. RANTY DOES NOT COVER ANY • R-410A refrigerant cylinders are pink. DAMAGE OR DEFECT TO THE AIR CONDITIONER CAUSED BY THE •...
When an abnormal system condition occurs, the Comfort Alert module displays the appropriate ALERT and/or TRIP LED. The yellow ALERT LED will flash a number of times consecutively, pause and then repeat the process. To identify a Flash Code number, count the number of consecutive flashes. IMPORTANT: Every time the module powers up, the last ALERT Flash Code that occurred prior to shut down is displayed for one minute.
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Active protection occurs under the following conditions: 1) Flash Code 2 - System Pressure Trip Condition: Four consecutive compressor protector trips occur where the average run time until trip is between 1 minute and 15 minutes Possible causes: Low suction pressure •...
V. EQUIPMENT PROTECTION (Corrosive Environment) The metal parts of this unit may be subject to rust or deterioration if exposed to a cor- rosive environment. This oxidation could shorten the equipment’s useful life. Corrosive elements include, but are not limited to, salt spray, fog or mist in seacoast areas, sulphur or chlorine from lawn watering systems, and various chemical contaminants from indus- tries such as paper mills and petroleum refineries.
FIGURE 3 UNIT DIMENSIONS 30% ± 2% TOP COVER THERMOSTAT WIRING ENTRANCE 21% ± 2% 29% ± 2% 20% ± 2% CORNER WEIGHTS ELECTRICAL % OF TOTAL UNIT POWER WEIGHT SIDE RETURN ENTRANCE DUCT OPENING BLOWER/ EVAPORATOR SIDE SUPPLY ACCESS PANEL DUCT OPENING OUTDOOR FAN GRILLE AND COMPRESSOR ACCESS...
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BOTTOM VIEW FIGURE 3 (continued) UNIT DIMENSIONS ⁄ INSIDE TOP VIEW ⁄ TYP. ⁄ ⁄ TYP. BOTTOM RETURN OUTDOOR DUCT FAN GRILLE OPENING COMPRESSOR ACCESS ⁄ INSIDE BOTTOM SUPPLY DUCT ⁄ ⁄ OPENING TYP. ⁄ ⁄ ⁄ ⁄ ⁄ SIDE VIEW THERMOSTAT SIDE VIEW FILTER ACCESS...
VI. INSTALLATION A. GENERAL 1. PRE-INSTALLATION CHECK-POINTS Before attempting any installation, the following points should be carefully consid- ered: a. Structural strength of supporting members. (rooftop installation) b. Clearances and provision for servicing. c. Power supply and wiring. d. Air duct connections. e.
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FIGURE 4 FIGURE 5 PACKAGE AIR CONDITIONER – OUTSIDE SLAB INSTALLATION, PACKAGE AIR CONDITIONER – OUTSIDE SLAB INSTALLATION, BASEMENT OR CRAWL SPACE DISTRIBUTION SYSTEM. CLOSET DISTRIBUTION SYSTEM. SLAB FLOOR CONSTRUCTION. SUPPLY DUCT AT CLOSET CEILING FILTER GRILL 60( OVERHEAD CLEARANCE BRANCH CIRCUIT DISCONNECT...
FIGURE 5 FIGURE 7 ROOFCURB INSTALLATION ROOFCURB INSTALLATION FIGURE 5 ROOFCURB INSTALLATION ** BY CONTRACTOR ** FOR INSTALLATION OF DUCT AS SHOWN, USE RECOMMENDED DUCT SIZES FROM ROOFCURB INSTALLATION INSTRUCTIONS. FOR DUCT FLANGE ATTACHMENT TO UNIT, SEE UNIT INSTALLATION INSTRUCTIONS FOR RECOMMENDED DUCT SIZES. I271 VI.
FIGURE 8 PACKAGE AIR CONDITIONER FLAT ROOFTOP INSTALLATION, ATTIC OR DROP CEILING DISTRIBUTION SYSTEM. MOUNTED ON ROOFCURB, CURB MUST BE LEVEL. SERVICE ACCESS PANELS. DO NOT BLOCK ACCESS CONDENSATE INTO ROOFDRAIN IF REQ’D THERMO- BY LOCAL CODES. STAT WIRE CONDUIT BRANCH CIRCUIT DISCONNECT POWER...
FIGURE 10 COVER GASKET DETAIL INSULATED DUCT COVER I321 OVERLAP 1 PIECE ⁄ INSULATION ” IX. CONVERSION PROCEDURE 1. HORIZONTAL TO DOWNFLOW a. Remove screws and covers from the downflow supply and return sections. Both covers are accessible from the inside of the unit. b.
XI. ELECTRICAL WIRING Field wiring must comply with the National Electrical Code* and local ordinances that may apply. *C.E.C. in Canada WARNING TURN OFF THE MAIN ELECTRICAL POWER AT THE BRANCH CIRCUIT DISCONNECT CLOSEST TO THE UNIT BEFORE ATTEMPTING ANY WIRING. FAILURE TO DO SO CAN CAUSE ELECTRICAL SHOCK RESULTING IN PERSONAL INJURY OR DEATH.
Alcoa, No. 2EJC; T&B KPOR Shield. c. Clean and recoat aluminum conductor with inhibitor. d. Make the splice using the above listed wire nuts or split bolt connectors. e. Coat the entire connection with inhibitor and wrap with electrical insulating tape. WARRANTY MAY NOT APPLY IF CONNECTIONS ARE NOT MADE PER INSTRUCTIONS.
F. THERMOSTAT The thermostat should be mounted on an inside wall about five feet above the floor in a location where it will not be affected by unconditioned air, sun, or drafts from open doors or other sources. READ installation instructions in thermostat package CAREFULLY because each has some different wiring requirements.
8. Check the refrigerant charge using the instructions located on control box cover. Replace service port caps. Service port cores are for system access only and will leak if not tightly capped. 9. Turn thermostat system switch to proper mode “HEAT” or “COOL” and set thermo- stat to proper temperature setting.
XVIII. BLOWER MOTOR SPEED TAPS Note: These instructions to be used in conjunction with airflow tables. After determining necessary CFM and speed tap, follow the steps below to change speeds. Units with PSC Blower Motors: 1. Remove blower access panel. 2.
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XIX. GENERAL DATA - RACA14 MODELS NOMINAL SIZES 2-5 TONS [7-17.6 kW] Model RACA14 Series 024AJD***AA 024AJT***AA 024BJT***AA 030AJD***AA Cooling Performance1 Continued -> Gross Cooling Capacity Btu [kW] 24,500 [7.18] 24,500 [7.18] 24,500 [7.18] 29,100 [8.53] EER/SEER2 11/14 11/14 11/14...
Over Current Rated Protective Device Protective Device RXQJ- Heater Heater Unit Min. Min. No. of Heater Min. Ckt. Max. RHEEM Model Number Size Size Heater Kit KBTU/Hr Amp. @ Ckt. Am- Circuit Sequence kW @ Ampacity Fuse Size Nominal @ 208/240...
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Over Current Rated Unit Min. Protective Device Protective Device RXQJ- Min. No. of Heater Heater Heater Ckt. Min. Ckt. Max. RHEEM Model Number Size Size Heater Kit Circuit Sequence kW @ KBTU/Hr @ Amp. @ Ampac- Ampacity Fuse Size Nominal Ampacity Min./...
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Over Current Rated Unit Min. Protective Device Protective Device RXQJ- Heater Heater Min. No. of Heater Ckt. Min. Ckt. Max. RHEEM Model Number Size Size Heater Kit KBTU/Hr Amp. @ Circuit Sequence kW @ Ampacity Ampacity Fuse Size Nominal @ 208/240...
XXV. TROUBLESHOOTING TROUBLESHOOTING CHART WARNING DISCONNECT ALL POWER TO UNIT BEFORE SERVICING. CONTACTOR MAY BREAK ONLY ONE SIDE. FAILURE TO SHUT OFF POWER CAN CAUSE ELECTRICAL SHOCK RESULTING IN PERSONAL INJURY OR DEATH. SYMPTOM POSSIBLE CAUSE REMEDY Unit will not run •...
FIGURE 26 COMFORT ALERT DIAGNOSIS CHART SINGLE PHASE UNIT Status LED Status LED Description Status LED Troubleshooting Information Green “POWER” Module has power Supply voltage is present at module terminals Red “TRIP” Thermostat demand signal 1. Compressor internal overload is open Y1 is present, but the 2.
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FIGURE 27 COMFORT ALERT DIAGNOSIS CHART THREE PHASE UNIT Status LED Status LED Description Status LED Troubleshooting Information Green “POWER” Module has power Supply voltage is present at module terminals Red “TRIP” Thermostat demand signal 1. Compressor internal overload is open Y1 is present, but the 2.
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