I. TABLE OF CONTENTS I. Table of Contents ................2 II. Introduction..................3 III. Checking Product Received ............3 IV. Specifications .................3 A. General ..................3 B. Major Components..............3 C. R-410A Refrigerant ..............3 1. Specification of R-410A ............3 2. Quick Reference Guide for R-410A ........3 3.
Recognize this symbol as an indi- II. INTRODUCTION cation of Important Safety This booklet contains the installation and operating instructions for your package air con- Information! ditioner. There are a few precautions that should be taken to derive maximum satisfac- tion from it.
• R-410A systems are to be charged with liquid refrigerants. Prior to March 1999, R- 410A refrigerant cylinders had a dip tube. These cylinders should be kept upright for equipment charging. Post March 1999 cylinders do not have a dip tube and should be inverted to ensure liquid charging of the equipment.
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FIGURE 1 UNIT DIMENSIONS BACK VIEW SIDE VIEW FRONT VIEW BOTTOM VIEW...
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FIGURE 2 UNIT VIEWS COIL/FILTER ACCESS BLOWER ACCESS SUPPLY COVER RETURN COVER CONDENSATE DRAIN 3/4” NPT FEMALE CONTROL BOX ACCESS ELECTRIC HEAT ACCESS...
FIGURE 3 PACKAGE AIR CONDITIONER – OUTSIDE SLAB INSTALLATION, FIGURE 4 PACKAGE AIR CONDITIONER – OUTSIDE SLAB INSTALLATION, CLOSET BASEMENT OR CRAWL SPACE DISTRIBUTION SYSTEM DISTRIBUTION SYSTEM. SLAB FLOOR CONSTRUCTION 36“ VERTICAL 60“ CLEARANCE 12“ 48“ Allow 57" for 18“ economizer on duct side.
FIGURE 5 PACKAGE AIR CONDITIONER – RIGGING FOR LIFTING CORNER WEIGHTS BY PERCENTAGE ILL I296 C. CLEARANCES The following minimum clearances must be observed for proper unit performance and serviceability. 1. Provide 48" minimum clearance at the front of the unit. Provide 36" minimum clearance at the left and right side of the unit for service access.
FIGURE 6 PACKAGE AIR CONDITIONER – ROOFCURB INSTALLATION ILL I301 VII. DUCTWORK WARNING Ductwork should be fabricated by the installing contractor in accordance with local codes and NFPA90A. Industry manuals may be used as a guide when sizing and designing the DO NOT, UNDER ANY CIRCUM- duct system - contact Air Conditioning Contractors of America, 2800 Shirlington Road, STANCES, CONNECT RETURN...
PACKAGE AIR CONDITIONER – FLAT ROOFTOP INSTALLATION, ATTIC OR FIGURE 7 DROP CEILING DISTRIBUTION SYSTEM. MOUNTED ON ROOFCURB. CURB MUST BE LEVEL FIGURE 8 COVER GASKET DETAIL ILL I631 ILL I310 VIII.FILTERS This unit is provided with 2 - 25" x 16" x 1" disposable filters. When replacing filters, ensure they are inserted fully to the back to prevent bypass.
XI. ELECTRICAL WIRING Field wiring must comply with the National Electrical Code* and local ordinances that may apply. *C.E.C. in Canada A. POWER WIRING 1. It is important that proper electrical power is available at the unit. Voltage should not vary more than 10% from that stamped on the unit rating plate. On three phase units, phases must be balanced within 3%.
FIGURE 10 RECOMMENDED LOCATION OF BRANCH CIRCUIT DISCONNECT 3. Splice copper wire pigtails to aluminum wire with U.L. recognized connectors for copper-aluminum splices. Follow these instructions very carefully to make a posi- tive and lasting connection; a. Strip insulation from aluminum conductor. b.
FIGURE 12 LOW VOLTAGE CONNECTIONS DIAGRAMS STANDARD WIRING RTU-C BOARD LOW VOLTAGE THERMOSTAT CONNECTIONS R Y1 Y2 G C W1 W2 OC B R Y1 Y2 G C NOTE: Y2 IS ONLY NECCESSARY FOR ECONOMIZER OPERATION ST-A1125-40-00 3. Figure 12 shows representative low voltage connection diagrams. Read your ther- mostat installation instructions for any special requirements for your specific ther- mostat.
E. Indoor Dry Bulb______________________________°F. F. Indoor Wet Bulb _____________________________°F. G. Outdoor Dry Bulb ____________________________°F. H. Outdoor Wet Bulb ____________________________°F. I. Voltage at Contactor ________________________Volts J. Current at Contactor _______________________Amps K. Model Number_________________________________ L. Serial Number _________________________________ M.Location______________________________________ N. Owner _______________________________________ O.
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550 [249] 550 [249] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
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577 [262] 577 [262] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
587 [266] 587 [266] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
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597 [271] 597 [271] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
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550 [249] 550 [249] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
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577 [262] 577 [262] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
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587 [266] 587 [266] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
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597 [271] 597 [271] 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. AHRI capaci- NOTES: ty is net and includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment certification program, which is based on AHRI Standard 210/240 or 360.
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 • Power off or loose electrical connection •...
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