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Thru-the-Wall Comfort
Heating & Cooling
Installation Guide
Thru the Wall
Condensing Unit
This unit should be installed in an
Outside Wall For
Thru-The-Wall
Installation Only!
Read Installation Manual
Prior To Starting The Installation.
Please fill in the following information and file it for
future reference.
MODEL NO.______________________________
SERIAL NO.______________________________
INSTALL DATE ___________________________
This manual must be left with the homeowner for future reference.
All Units Department of Energy Listed
* Please consult the DOE Compliance Certification Database (https://tinyurl.com/NCP-
Condensers) for a list of rated combinations of indoor and outdoor units.
National Comfort Products
A Division of National Refrigeration and Air Conditioning Products, Inc.
539 Dunksferry Road • Bensalem, PA 19020-5908
(800) 523-7138
www.nationalcomfortproducts.com
NCP
Series:
1000
3000
4000
5000
Go Thru-the-Wall
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Table of Contents
Related Manuals for NCP Thru-the-Wall Comfort NCP1000 Series
Summary of Contents for NCP Thru-the-Wall Comfort NCP1000 Series
- Page 1 This manual must be left with the homeowner for future reference. All Units Department of Energy Listed * Please consult the DOE Compliance Certification Database (https://tinyurl.com/NCP- Condensers) for a list of rated combinations of indoor and outdoor units. National Comfort Products Go Thru-the-Wall A Division of National Refrigeration and Air Conditioning Products, Inc.
- Page 2 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000...
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Page 3: Table Of Contents
Specifications, Dimensional Drawings .......................... 20-21 Matched systems with Cased Coils ..........................22 Matched systems with Air Handlers ..........................22 Replacement Parts - NCP 1000 Series .......................... 23 Replacement Parts - NCP 3000 Series .......................... 24 Replacement Parts - NCP 4000 Series .......................... 25 Replacement Parts - NCP 5000 Series .......................... -
Page 4: Nomenclature
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Thru-the-Wall Condensing Unit Nomenclature... -
Page 5: Safety Warning
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 WARNING ATTENTION FOR SYSTEM CHARGING HIGH VOLTAGE! Disconnect ALL power before servicing. THIS UNIT IS CHARGED WITH 3.75Lbs (1.7Kg) OF REFRIGERANT TO BE STORED SAFELY. THE SYSTEM WILL Multiple power sources may be present. Failure to do so may REQUIRE ADDITIONAL R454B CHARGE DURING INSTALLATION. -
Page 6: Before You Start
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 CAUTION WARNING Scroll compressors should NEVER be used to evacuate the air Do not use means to accelerate the defrosting process or to clean, conditioning system. Vacuums this low can cause internal electrical other than those recommended by the manufacturer. -
Page 7: Check For Clearances
The less resistive these grilles are to air flow, the better the units performance will be. Outdoor louvers provided by others must be approved by NCP to maintain unit performance and warranty. - Page 8 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 5. Run refrigerant lines as directly as possible. Field piping inside the Maximum Allowable Liquid Line Pressure Drop = 50 PSI Subtract .43 PSI for each foot of Liquid Lift (if any) condensing unit should not block access to major components.
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Page 9: Leak Checking
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Step 4: CAUTION: Dry nitrogen should always be supplied through the tubing while it is being brazed, as the high temperature After brazing, quench with a required for brazing will cause oxidation of the copper unless wet rag to cool the joint and an inert atmosphere is provided. -
Page 10: Evacuation
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Leak checking of refrigerant line braze joints and evaporator unit using Step 6: R454B refrigerant. (See Step 5b) This is not a back seating 1. Connect R454B source to the service port of the liquid line service valve. -
Page 11: Electrical - Low Voltage
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Electrical - Low Voltage Electrical - High Voltage Low Voltage Maximum Wire Length: NOMINAL MINIMUM MAXIMUM Table defines the maximum total length of low voltage wiring from the VOLTAGE... -
Page 12: System Charge Adjustment
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Refrigerant Charging WARNING This condensing unit is factory charged with 3.75 lbs of R454B. The installer LIVE ELECTRICAL COMPONENTS! must add charge to meet the required subcooling value provided on page 22. - Page 13 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 NATIONAL COMFORT PRODUCTS R-454B CHARGING CHART Subcooling (°F) LIQUID PRESSURE AT R-454B REQUIRED LIQUID LINE TEMPERATURE (°F) SERVICE VALVE (psig)
- Page 14 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 1. Charging cylinder shall be in an upright position, kept firmly on a flat and CAUTION stable surface while charging. 2. Connect the charging cylinder to the manifold gauge set. Open the...
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Page 15: Maintenance
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Maintenance Airflow Chart For Coil Matches At all times, NCP maintenance and service guidelines shall be followed. If in Airflow Outdoor Model Indoor Model doubt, consult NCP’s technical department for assistance. -
Page 16: Decommissioning/Recovery
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 11. Reduced indoor air flow through a duct system will cause the indoor 4. Pump down refrigerant system. coil to ice up in cooling. If this condition is not corrected, premature system 5. -
Page 17: Service Access
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Service Access 30" of clearance is required for service accessibility on the Note: inside. All units are serviceable from the inside. Noise We design our unit as quiet as possible; please keep in mind when locating the unit that it does make noise. -
Page 18: Important! Before Removing A Warranty Compressor
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 IMPORTANT!!! BEFORE REMOVING A WARRANTY COMPRESSOR, PLEASE FILL OUT THE FOLLOWING AND CALL (800) 523-7138. REMOVAL OF COMPRESSOR WITHOUT FACTORY VERIFICATION CAN LEAD TO WARRANTY CREDIT BEING DENIED Incoming Voltage to Compressor at Contactor is:__________Volts Compressor Starting AMP Draw:__________ Ω... -
Page 19: Wiring Diagrams
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 208-230 VAC NOMINAL VOLTAGE 196 VAC MINIMUM VOLTAGE 244 VAC MAXIMUM VOLTAGE FUSED OR NON-FUSED DISCONNECT OPTIONAL C Y R BLACK BLACK WHITE (OPTIONAL) BLUE YELLOW BLACK BLACK WHITE... -
Page 20: Specifications, Dimensional Drawings
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 1000 Series w/matches up to 13.0 SEER2* 4 " 8 " All Units 208/230-1-60Hz Shipping Compressor Model Weight (lbs) 8 " NCP5181000A-** 10.3 4 " NCP5241000A-** 12.8 10.4 15.1... - Page 21 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 4000 Series w/matches up to 13.0 SEER2* 30" 8 " All Units 208/230-1-60Hz Compressor Shipping Model Weight 4 " (lbs) 4 " NCP5184000A-** NCP5244000A-** 13.5 NCP5304000A-** 10.4 15.1 Cond. Fan Motor 1/5 HP, 1650 RPM, 1.8 FLA...
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Page 22: Matched Systems With Cased Coils
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Matched system with Cased Coil Nominal Rated Capacity Liquid Subcool Suction Superheat Outdoor Model Indoor Model Rated EER2 Airflow SEER2 (Btu/h) (°F) (°F) (SCFM) NCP5181000A-** NCC518AA-* 18,000 10.5 11.7... -
Page 23: Replacement Parts - Ncp 1000 Series
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 1000 Series Replacement Parts Guide Item Description NCP5181000A-** NCP5241000A-** NCP5301000A-** Contactor 142-62-101 142-62-101 142-62-101 Start/Run Capacitor 142-25-375 142-25-375 142-25-396 Low Pressure Switch 142-65-026 142-65-026 142-65-026 High Pressure Switch 142-65-029... -
Page 24: Replacement Parts - Ncp 3000 Series
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 3000 Series Replacement Parts Guide Item Description NCP5183000A-** NCP5243000A-** NCP5303000A-** Contactor 142-62-101 142-62-101 142-62-101 Start/Run Capacitor 142-25-375 142-25-375 142-25-396 Low Pressure Switch 142-65-026 142-65-026 142-65-026 High Pressure Switch 142-65-029... -
Page 25: Replacement Parts - Ncp 4000 Series
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 4000 Series Replacement Parts Guide Item Description NCP5184000A-** NCP5244000A-** NCP5304000A-** Contactor 142-62-101 142-62-101 142-62-101 Start/Run Capacitor 142-25-395 142-25-395 142-25-396 Low Pressure Switch 142-65-026 142-65-026 142-65-026 High Pressure Switch 142-65-029... -
Page 26: Replacement Parts - Ncp 5000 Series
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 5000 Series Replacement Parts Guide Item Description NCP5185000A-** NCP5245000A-** NCP5305000A-** Contactor 142-62-101 142-62-101 142-62-101 Start/Run Capacitor 142-25-395 142-25-395 142-25-396 Low Pressure Switch 142-65-026 142-65-026 142-65-026 High Pressure Switch 142-65-029... - Page 27 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 539 Dunksferry Road | Bensalem, PA 19020 | 215-244-1400 | 1-800-523-7138 THRU-THE-WALL CONDENSING UNIT & HEAT PUMP LIMITED WARRANTY 1. National Comfort Products warrants to its customers that its product shall be free from defects in material and workmanship under normal use and regular service and maintenance as follows: COMPRESSORS: For five years from the date of original installation.
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Page 28: Warranty
Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 who use the Goods. National Comfort’s Goods are to be used in their recommended applications and all warning labels adhered to the Goods by National Comfort are to be left intact. - Page 29 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Notes...
- Page 30 Installation Guide | Thru the Wall Condensing Units NCP Series 1000/3000/4000/5000 Notes...
- Page 32 National Comfort Products 539 Dunksferry Road | Bensalem, PA 19020-5908 (800) 523-7138 www.nationalcomfortproducts.com 14291154 IM NCP TTW Split System 2025...
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