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Package Terminal
Air Conditioner/Heat Pump
Installation Instructions
and Owner’s Manual
NT Series Units
Made in USA
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product
better than the customer. This includes all safety precautions and
related items.
Prior to actual installation, thoroughly familiarize yourself with this
Instruction Manual. Pay special attention to all safety warnings. Often
during installation or repair it is possible to place yourself in a position
which is more hazardous than when the unit is in operation.
Remember, it is your responsibility to install the product safely and to
know it well enough to be able to instruct a customer in its safe use.
Safety is a matter of common sense...a matter of thinking before acting.
Most dealers have a list of specific good safety practices...follow them.
The precautions listed in this Installation Manual are intended as
supplemental to existing practices. However, if there is a direct conflict
between existing practices and the content of this manual, the
precautions listed here take precedence.
This manual must be left with the owner
May 2001(1)
11113305
of the equipment.
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Table of Contents
Summary of Contents for PTAC NT Series
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Page 1: Installation Instructions
Package Terminal Air Conditioner/Heat Pump Installation Instructions and Owner’s Manual NT Series Units Made in USA ATTENTION INSTALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer. This includes all safety precautions and related items. -
Page 2: Table Of Contents
Contents Unit Features ........................... 3 General Information ........................ 4 Installation Instructions ......................5 Wiring ............................7 Operating Instructions ......................8 Care and Cleaning .........................10 Normal Operating Sounds and Conditions ................. 12 Obtaining Service ........................12 RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION. IMPORTANT NOTE TO THE OWNER This equipment is to be serviced by professionally trained personnel only. -
Page 3: Unit Features
Unit Features This unit has many features which are different than those found on conventional PTAC units. The servicer must be familiar with these features in order to properly service the unit. WARNING To avoid possible equipment damage, personal injury, fire or death, the following instructions must be observed regarding unit location, air requirements and operating procedures •... -
Page 4: General Information
Unit Accessories This unit is designed for through-the-wall installation in new or existing buildings. To complete the installation of this PTAC, an insulated wall sleeve and an outdoor grille (either the stamped aluminum grille or the architectural grille) are required. -
Page 5: Installation Instructions
Installation Instructions To ensure that the unit operates safely and efficiently, it must be installed, operated and maintained according to these installation and operating instructions and all local codes and ordinances or, in their absence, with the latest edition of the National Electric Code. - Page 6 • A slight downward pitch from the indoor side to the outdoor side as shown in Figure 6. Refer to the Installation Instructions supplied with the PTAC wall sleeve for a complete description of the installation procedure. Figure 7 Cabinet Front Removal View 1...
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Page 7: Wiring
Installation Instructions 3. Slide the chassis into the wall sleeve until the chassis 4. Secure the chassis to the wall sleeve using three flanges contact the front edge of the wall sleeve (Fig- screws on each side of the chassis to ensure a ure 10). -
Page 8: Operating Instructions
Operating Instructions USERS CONTROLS WARNING Two rotary knobs (Figure 11) controlling temperature and operational mode are located behind the control door To prevent death or personal injury due to electrical located to the top-right of the cabinet front. shock, unplug the nit at the wall outlet or turn off power at the fuse box or circuit breaker before THERMOSTAT SETTING servicing the unit. -
Page 9: Discharge Air Flow
Operating Instructions AIR DISCHARGE GRILLE The discharge grille can be adjusted to expel air at either a 15° or 40° angle as shown in Figure 12. Use the following procedure to change the angle of the 15° Discharge 40° Discharge discharge air flow: Angle Angle... -
Page 10: Care And Cleaning
Care and Cleaning WARNING To prevent death, personal injury or property damage due to electrical shock, disconnect the electrical power supply before cleaning this unit. INTAKE AIR FILTER The intake air filter and vent door filter are both con- structed of durable polypropylene. The air intake air filter is snapped into the cabinet front, and the intake air grille swings out for easy access to the filter. - Page 11 Care and Cleaning COMPRESSOR CABINET FRONT AND DISCHARGE AIR GRILLE The compressor is hermetically sealed, permanently The cabinet front and discharge air grille can be cleaned lubricated and requires no additional oiling. with a water dampened cloth . Under no circumstances should hydrocarbon-based cleaners (e.g.
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Page 12: Normal Operating Sounds And Conditions
Normal Operating Sounds and Conditions WATER TRICKLING SOUNDS Water is picked up and distributed over the coil. This improves the efficiency and helps with water removal. WATER DRIPPING Water will collect in the base pan during high humidity days. This can cause overflow and drip from the outside of the unit.
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