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PA3P
SINGLE- -PACKAGED AIR CONDITIONER SYSTEM
WITH R- -22 REFRIGERANT
2 TO 5 NOMINAL TONS (SIZES 024- -060) 1 & 3 PHASE
NOTE: Read the entire instruction manual before starting the
installation.
NOTE: Installer: Make sure the Owner's Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
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Installation Instructions
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Installation and servicing of this equipment can be hazardous due to
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mechanical and electrical components. Only trained and qualified
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personnel should install, repair, or service this equipment.
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Untrained personnel can perform basic maintenance functions such
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as cleaning and replacing air filters. All other operations must be
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performed by trained service personnel. When working on this
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equipment, observe precautions in the literature, on tags, and on
labels attached to or shipped with the unit and other safety
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precautions that may apply.
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Follow all safety codes. Installation must be in compliance with
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local and national building codes. Wear safety glasses, protective
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clothing, and work gloves. Have fire extinguisher available. Read
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these instructions thoroughly and follow all warnings or cautions
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included in literature and attached to the unit.
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Recognize safety information. This is the safety- -alert symbol
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When you see this symbol on the unit and in instructions or manuals,
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be alert to the potential for personal injury. Understand these signal
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words: DANGER, WARNING, and CAUTION. These words are
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used with the safety- -alert symbol. DANGER identifies the most se-
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rious hazards which will result in severe personal injury or death.
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WARNING signifies hazards which could result in personal injury
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or death. CAUTION is used to identify unsafe practices which may
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result in minor personal injury or product and property damage.
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NOTE is used to highlight suggestions which will result in en-
hanced installation, reliability, or operation.
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Fig. 1 - - Unit PA3P
SAFETY CONSIDERATIONS
A05120
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Summary of Contents for Payne PA3P048
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Page 1: Table Of Contents
PA3P SINGLE- -PACKAGED AIR CONDITIONER SYSTEM WITH R- -22 REFRIGERANT 2 TO 5 NOMINAL TONS (SIZES 024- -060) 1 & 3 PHASE Installation Instructions NOTE: Read the entire instruction manual before starting the installation. NOTE: Installer: Make sure the Owner’s Manual and Service Instructions are left with the unit after installation. -
Page 2: Introduction
recirculate to the outdoor coil. Do not locate the unit in either a WARNING corner or under an overhead obstruction. The minimum clearance under a partial overhang (such as a normal house overhang) is 48 in. above the unit top. The maximum horizontal extension of a partial ELECTRICAL SHOCK HAZARD overhang must not exceed 48 in. - Page 3 REQUIRED CLEARANCE TO COMBUSTIBLE MATL. REQUIRED CLEARANCE FOR OPERATION AND SERVICING INCHES [mm] INCHES [mm] TOP OF UNIT..................1 4.00 [355.6] EVAP. COIL ACCESS SIDE............36.00 [914.0] DUCT SIDE OF UNIT.................2.00 [50.8] POWER ENTRY SIDE..............36.00 [914.0] SIDE OPPOSITE DUCTS ..............14.00 [355.6] (EXCEPT FOR NEC REQUIREMENTS) BOTTOM OF UNIT ................
- Page 4 “A” PA3P042 208/230- -1- -60, 208/230- -3- -60, 460- -3- -60 250.8 46.98 [1193] 21.0 [533] 20.5 [520] 17.1 [434] PA3P048 208/230- -1- -60, 208/230- -3- -60, 460- -3- -60 253.5 46.98 [1193] 21.0 [533] 20.0 [508] 17.4 [442] PA3P060 208/230- -1- -60, 208/230- -3- -60, 460- -3- -60 255.8...
- Page 5 HVAC unit HVAC unit base base Gask eting inner flange* Scre w Scre w Gask eting (NO TE A) (NO TE A) inner flange* *Gask eting *Gask eting outer flange outer flange Wood nailer* Wood nailer* Flashing field Flashing field supplied supplied Roof curb*...
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Page 6: Installation
DETAIL A C00071 A06361 CORNER WEIGHTS (SMALL CABINET) CORNER WEIGHTS (LARGE CABINET) Unit Unit Total Weight Total Weight Corner Weight 1 Corner Weight 1 Corner Weight 2 Corner Weight 2 Corner Weight 3 Corner Weight 3 Corner Weight 4 Corner Weight 4 Rigging Weight Rigging Weight Shipping Weight... -
Page 7: Connect Condensate Drain
3. Attach each of the 4 metal rigging brackets under the panel drain tube for leaks. Prime trap at the beginning of the cooling rain lip (See Fig. 5). Use the screws removed in step 2 above season start- -up. to secure the brackets to the unit. -
Page 8: Install Electrical Connections
2. Remove return duct cover located on duct panel by breaking four (4) connecting tabs with screwdriver and a hammer (See Fig. 9 & 10). 3. To remove supply duct cover, break front and right side connecting tabs with a screwdriver and a hammer. Push louver down to break rear and left side tabs (See Fig. -
Page 9: High- -Voltage Connections
SPECIAL PROCEDURES FOR 208- -V OPERATION CAUTION WARNING UNIT COMPONENT DAMAGE HAZARD ELECTRICAL SHOCK HAZARD Failure to follow this caution may result in damage to the unit being installed. Failure to follow this warning could result in personal injury or death. 1. -
Page 10: Pre- -Start- -Up
Table 1—Physical Data- -Unit PA3P UNIT SIZE NOMINAL CAPACITY (ton) 2--1/2 3--1/2 OPERATING WEIGHT (lb.) COMPRESSOR Scroll REFRIGERANT (R- -22) Quantity (lb.) 12.4 12.0 ® REFRIGERANT METERING DEVICE AccuRater ORIFICE OD (in.) 0.065 0.070 0.080 0.084 0.088 0.098 OUTDOOR COIL 2…21 Rows…Fins/in. -
Page 11: Start- -Up
START- -UP An accurate superheat, thermocouple- - or thermistor- -type thermometer, and a gauge manifold are required when using the CHECK FOR REFRIGERANT LEAKS superheat charging method for evaluating the unit charge. Do not Proceed as follows to locate and repair a refrigerant leak and to use mercury or small dial- -type thermometers because they are not charge the unit: adequate for this type of measurement. - Page 12 Table 3—Wet Coil Air Delivery* — Horizontal Discharge (Deduct 10% for 208- -Volt Operation) Motor External Static Pressure (in. wc) Unit Speed Watts --- --- --- --- --- --- --- --- --- --- Watts 50SD024 Medium 1195 1155 1100 1028 Watts High 1484...
- Page 13 A07034 Fig. 13 - - Wiring Diagram 208/230- -1- -60...
- Page 14 A07035 Fig. 14 - - Wiring Diagram 208/230- -3- -60...
- Page 15 A07037 Fig. 15 - - Wiring Diagram 460- -3- -60...
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Page 16: Cooling Sequence Of Operation
A05109v2 Fig. 16 - - Cooling Charging Chart Airflow can be changed by changing the lead connections of the coil (C) (through unit wire Y) and time delay relay (TDR) (through blower motor. unit wire G) across the 24- -v secondary of transformer (TRAN). All PA3P units are factory wired for low speed. -
Page 17: Air Filter
inspected at least once each year by a qualified service person. To NOTE: All motors are pre- -lubricated. Do not attempt to lubricate troubleshoot unit, refer to Table 6, Troubleshooting Chart. these motors. NOTE TO EQUIPMENT OWNER: Consult your local dealer For longer life, operating economy, and continuing efficiency, clean about the availability of a maintenance contract. -
Page 18: Outdoor Fan
inner condenser coil, be sure to clean between the coils. Be sure to cycle to ensure proper operation. If discrepancies are observed in flush all dirt and debris from the unit base. operating cycle, or if a suspected malfunction has occurred, check each electrical component... - Page 19 Table 6—Troubleshooting Chart SYMPTOM CAUSE REMEDY Power failure Call power company Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective contactor, transformer, control relay, or high-- Replace component pressure, loss--of--charge or low--pressure switch Compressor and outdoor fan will not start Insufficient line voltage Determine cause and correct...
- Page 20 †Measured at liquid line leaving condenser. HEATING & COOLING Catalog No: IM---PA3P---06 E2007 Payne Heating & Cooling Systems Printed in the U.S.A. Edition Date: 03/07 Manufacturer reserves the right to change, at any time, specifications and design without notice and without obligation.
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