National Comfort Products 24-A User manual

National Comfort Products®
A Division of National Refrigeration & Air Conditioning Products, Inc.
539 Dunksferry Road • Bensalem, PA 19020 • [phone] • 1-800-523-7138 • Fax: [phone]
HEATING & A/C EQUIPMENT
NATIONAL
COMFORT
PRODUCTS
®
Heating Comfort for Multi-Family Construction
This unit is designed to
be installed with
Please read the entire installation guide
before starting the installation.
All phases of this installation must comply
with National, State and Local codes.
Electric Heat Kit for use in
A-Series Air Handler
Installation Guide NCPAH
Series:
24-A
36-A

Important: This Document is customer property and is to remain with this unit.
DO NOT DESTROY OR THROW AWAY THIS MANUAL.
IT SHOULD BE KEPT IN A SAFE PLACE FOR FUTURE REFERENCE.

Electric Heat Kit Installation Instructions
3
ATTENTION INSTALLING PERSONNEL
CAUTION
Prior to installation, thoroughly familiarize yourself with this Installation
Manual. Observe all safety warnings. During installation or repair, caution
is to be observed. It is your responsibility to install the product safely and
to educate the customer on its safe use.
• ENSURE THAT ALL POWER IS CONNECTED PRIOR TO ATTEMPTING
INSTALLATION OF THIS HEATER KIT. THERE MAY BE MORE THAN ONE
DISCONNECT SERVICING THE UNIT.
• A MEANS OF STRAIN RELIEF AND CONDUCTOR PROTECTION MUST BE
PROVIDED AT THE SUPPLY WIRE ENTRANCE INTO CABINET.
• USE COPPER CONDUCTORS ONLY.
• INSTALLATION MUST FOLLOW NATIONAL ELECTRIC CODE AND OTHER
APPLICABLE CODES.
IF THIS APPLIANCE IS INSTALLED IN AN ENCLOSED AREA SUCH AS A
GARAGE OR UTILITY ROOM WITH ANY CARBON MONOXIDE PRODUCING
APPLIANCE, ENSURE THE AREA IS PROPERLY VENTILATED.
WARNING
After connect all wires, check all screws of breaker and make sure all
screws are properly tight.
Failure to do so will result in breaker malfunction, fire, death, personal
injury or property damage.
FIRE, ELECTRICAL SHOCK, HAZARD

Electric Heat Kit Installation Instructions
4
1. Remove the upper access panel
from the fan coil unit.
2. Remove the cover plate from the fan
coil unit. Fix the heater kit instead of
that and secure element plate with
previous removed screws.
4. Fit the attachment clip and the hole.
3. Install the electronic-control system
into the slot and fixed by screws.

Electric Heat Kit Installation Instructions
5
5. Cover the upper access panel on the
fan coil unit.
"EHK2" Electric Heater Kits
"EHK2" MCA/MOP DATA
230 208 230 208
27.2 24.6 30 25
40.8 36.9 45 40
54.4 49.2 60 50
27.2 24.6 30 25
40.8 36.9 45 40
54.4 49.2 60 50
EHK2-05B 5
EHK2-08B 7.5
EHK2-10B 10
EHK2-05B 5
EHK2-08B 7.5
EHK2-10B 10
24
36
MIN. Circuit Ampacity MAX.Fuse or Breaker
(HACR) Ampacity
Heat Kit
Model
Air Handler
Model
(kW)Electric
Heat
Kit# Description Ref. Air Handler use
EHK2-05B 5kW Heat Strip 24, 36
EHK2-08B
7.5kW Heat Strip
EHK2-10B
10kW Heat Strip
24, 36
24, 36
NO.
1
2
3

Electric Heat Kit Installation Instructions
6
1
2
3
4
5
6
1
2
3
4
5
6
- - - -FIELD POWER WIRING
FACTORY POWER WIRING
LEGEND:
- - - -FIELD POWER WIRING
FACTORY POWER WIRING
LEGEND:
GROUND
LUG
GROUND
LUG

7
Notes

National Comfort Products
539 Dunksferry Road | Bensalem, PA 19020-5908
[phone]
Fax [phone]
HEATING & A/C EQUIPMENT
NATIONAL
COMFORT
PRODUCTS
®
Manual Electric Heat Kit for A Series Air Handler 07/2016