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Thru-the-Wall Comfort for all types of Multi-Family Construction
Installation
Guide
NCC Series
Cased Coil
All phases of this installation must comply with National, State and Local codes.
Go Thru-the-Wall
Please read the Manual prior to starting the installation.
National Comfort Products
NATIONAL
®
A Division of National Refrigeration and Air Conditioning Products, Inc.
COMFORT
PRODUCTS
539 Dunksferry Road • Bensalem, PA 19020-5908
(800) 523-7138 • Fax (215) 639-1674
www.nationalcomfortproducts.com
HEATING & A/C EQUIPMENT
NATIONAL
®
COMFORT
PRODUCTS
HEATING & A/C EQUIPMENT
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Summary of Contents for National Comfort Products NCC Series
- Page 1 HEATING & A/C EQUIPMENT Thru-the-Wall Comfort for all types of Multi-Family Construction Installation Guide NCC Series Cased Coil Please read the Manual prior to starting the installation. All phases of this installation must comply with National, State and Local codes.
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Page 2: Table Of Contents
Table of Contents Safety Warnings ..............page 3 Inspection ................page 3 Installation Preparation ............page 3 Condensate Drain Preparation ..........page 3 Coil Installation ..............page 4 Metering Device/TXV ............page 6 Leak Check................page 7 Important: This Document is customer property and is to remain with this unit. DO NOT DESTROY OR THROW AWAY THIS MANUAL. -
Page 3: Safety Warnings
SITUATION, WHICH IF NOT AVOIDED, MAY RESULT IN MODERATE INJURY OR PROPERTY DAMAGE. National Comfort Products recommends an auxiliary drain pan be provided and installed by the installing contractor, which should be properly sloped, installed according to code, and terminated WARNING in an area visible to the home owner. -
Page 4: Coil Installation
Condensate disposal through the secondary at the time of the installation; National Comfort Products bears drain line indicates that the primary drain line is plugged and no responsibility for damages caused by improper condensate needs cleaning. - Page 5 BRAZING. POINTING THE BRAZING FLAME AWAY FROM THE VALVE AND SENSING BULB PROVIDE PARTIAL PROTECTION ONLY. CAUTION SOME NATIONAL COMFORT PRODUCTS COILS MAY INCLUDE A SCHRADER VALVE ON THE SUCTION MANIFOLD. ENSURE THAT THE SCHRADER VALVE AND VALVE CORE (WHERE PRESENT) ARE PROTECTED...
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Page 6: Metering Device/Txv
2 o’clock or 10 o’clock. Fig. 7B-2 shows the recommended position for the TXV bulb installation in the horizontal plane. Metering Device/TXV National Comfort Products coils are made with a TXV. Fig. 3B-1 Fig. 3A Recommended location for horizontal TXV bulb... -
Page 7: Leak Check
Coil Cleaning Instructions National Comfort Products cased coils are equipped with a two- piece panel door to allow for cleaning and maintenance access. Remove one or both doors to access the coil for cleaning. - Page 8 NATIONAL ® COMFORT PRODUCTS HEATING & A/C EQUIPMENT National Comfort Products 539 Dunksferry Road • Bensalem, PA 19020-5908 (800) 523-7138 Fax (215) 639-1674 12/2022...