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P7RD-A / PPA3RDA SERIES
INSTALLATION INSTRUCTIONS
Single Package Air Conditioner - Single Stage, R-410A
It is your responsibility to know this product better than your customer. This includes being
able to install the product according to strict safety guidelines and instructing the customer on
how to operate and maintain the equipment for the life of the product. Safety should always be
the deciding factor when installing this product and using common sense plays an important
role as well. Pay attention to all safety warnings and any other special notes highlighted in the
manual. Improper installation of the furnace or failure to follow safety warnings could result
in serious injury, death, or property damage.
These instructions are primarily intended to assist qualified individuals experienced in the
proper installation of this appliance. Some local codes require licensed installation/service
personnel for this type of equipment. Please read all instructions carefully before starting the
installation. Return these instructions to the customer's package for future reference.
DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
IMPORTANT
ATTENTION INSTALLERS:
13 SEER
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Summary of Contents for Nortek P7RD-A Series
- Page 1 P7RD-A / PPA3RDA SERIES 13 SEER INSTALLATION INSTRUCTIONS Single Package Air Conditioner - Single Stage, R-410A IMPORTANT ATTENTION INSTALLERS: It is your responsibility to know this product better than your customer. This includes being able to install the product according to strict safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product.
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Page 2: Table Of Contents
TAbLE OF CONTENTS Important Safety Information ........3 Startup & Adjustments ..........10 Pre - Start Checklist ..........10 General Information ...........4 Start - Up Procedure ..........10 Before You Install this Unit .........4 System Cooling ............10 Locating the Air Conditioner ........4 System Heating ............10 Minimum Clearance Requirements ......4 Charging the Unit in AC Mode w/ Outdoor Service Access Clearances ........4... -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION CAUTION: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and any other special This unit uses R-410A refrigerant. DO NOT use notes highlighted in the manual. Safety markings are any other refrigerant in this unit. Use of another used frequently throughout this manual to designate a refrigerant will damage the unit. -
Page 4: General Information
GENERAL INFORMATION • Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in order to achieve This packaged air conditioner is designed only for outdoor rated performance. ground level installations and can be readily connected • Consideration should also be given to availability of to the high static duct system of a home. -
Page 5: Air Conditioner Installation
SINGLE DUCT APPLICATION MULTIPLE DUCT APPLICATION Figure 2. Single & Multiple Duct Applications AIR CONDITIONER INSTALLATION • Duct work should be attached directly to the unit flanges for horizontal applications. Unpacking the Unit • For highly resistive duct systems it may be necessary It is recommended that the unit be unpacked at the to add an additional return air duct and or supply to installation site to minimize damage due to handling. -
Page 6: Return Duct
5. Tighten first screw and rotate collar clockwise so joint the floor. However, if the floor is more than ten inches is near 3 o’clock position. deep, it will only be necessary to cut a hole for the collar on the return air box or for the insulated duct. Return Duct 3. -
Page 7: Condensate Drainage
ELECTRICAL CONNECTIONS 3. Cut a 9-1/8” x 13-1/8” hole in the duct and bend over all tabs flat on the inside of the heat duct. 4. Insert the damper into the duct and bend over all tabs WARNING: flat on the inside of the heat duct. 5. -
Page 8: Grounding
power wiring hole (Figure 7, page 7). Connect L1 & L2 National Electrical Code (ANSI/NFPA 70) or CSA C22.1 directly to the contactor. Electrical Code. Ground the air conditioning unit using • The unit requires both power and control circuit electrical the green grounding screw provided in the control panel. - Page 9 COPPER WIRE SIZE — AWG Recommended T-Stat Wire (1% Voltage Drop) Length (Unit to T-Stat) Thermostat Wire Gauge Supply Supply Wire Length-Feet 2-Wire 5-Wire Circuit (Heating) (Heating/Cooling) Ampacity Table 2. Thermostat Wire Gauge Wire Size based on N.E.C. for 60° type copper conductors. Table 1.
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Page 10: Blower Speed - Ecm Motor
blower Speed - ECM Motor 4. Set the temperature mode below room temperature. Verify that the indoor blower, outdoor fan, and WARNING: compressor energize and the cooling function starts. 5. Verify the discharge air grilles are adjusted and the To prevent electric shock, personal injury, system air is balanced. -
Page 11: Safety Switches
AIR CONDITIONER MAINTENANCE • If the pressure measured in step 1 is greater than the required liquid refrigerant pressure determined in step 3, then there is too much charge in the system. WARNING: Remove refrigerant and repeat steps 1 through 3 until the system is correctly charged. -
Page 12: Figures & Tables
FIGURES & TAbLES Top View 3” Opening for Opening for 14" Diameter 12" Diameter Return Duct Supply Duct 10.15 9.15 3.15 17.50 1” 1.75” Ø Electric Heater Power Supply 1.13” Ø Power Supply Back (Duct) View .88” Ø Low Voltage Supply Control Blower Access Panel Side View... -
Page 13: Wiring Diagrams
WIRING DIAGRAMS Figure 10. Wiring Diagram for 2 & 2.5 Ton Models... - Page 14 Figure 11. Wiring Diagram for 3 Ton Models...
- Page 15 Figure 12. Wiring Diagram for 3.5, 4, & 5 Ton Models...
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Page 16: Refrigerant Charging Tables
REFRIGERANT CHARGING TAbLES LEGEND NOTES: Shaded boxes indicate flooded conditions. 1. All pressures are listed psig and all temperatures in °F Rated design values. The suction pressure 2. Discharge temperatures greater than charted values will vary from design value if outdoor air indicate an undercharged system. - Page 17 OUTDOOR TEMPERATURE (° F) Suct. Press. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Table 6. Charging Table for 3 Ton Units (036K Series) OUTDOOR TEMPERATURE (°...
- Page 18 OUTDOOR TEMPERATURE (° F) Suct. Press. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Liq. Dis. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Press. Temp. Table 9. Charging Table for 5 Ton Units (060K Series)
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Page 20: Replacement Parts
• Blower Assembly • Fan Grille • Cabinet Panels • Filter / Driers • Expansion Valves Specifications & illustrations subject to change without notice or incurring obligations (05/15). 7094190 (NEW) O’Fallon, MO, © Nortek Global HVAC LLC 2015. All Rights Reserved.