Electric Heat Kit Installation Manual
Table Of Contents
- Electric Heat Kit
- Table of Contents
- CHECK LIST AFTER INSTALLATION
- Dimensions
- 1. Electric Heat Kit Models
- 2. Electric Heat Kit Accessories
- 3. Safety precautions
- 4. Installing the Electric Heat Kit
- 4.1 Read the safety precautions section of the Multi-Position Air Handler before installing the electric heat option.
- 4.2 Setting proper external static pressure.
- 4.3 Enabling Electric Heat
- 4.4 Operation Mode
- 4.5 Attaching the enclosure to the Air Handler
- 4.6 Proper Support in the Horizontal Position for the Multi-Position Air Handler with Electric Heat Kit:
- 4.7 Rotating circuit breaker orientation for Horizontal Left Installations:
- 5. Electrical Schematics
3. Safety precautions
Before installing the unit, make sure you read all the “Safety precautions”.
The “Safety precautions” provide very important points regarding safety
. Make sure you follow them.
WARNING
This symbol denotes what could lead to serious injury or death if you misuse the Electric Heat Kit
CAUTION
This symbol denotes what could lead to a personal injury or property damage if Electric Heat Kit is
misused.
WARNING
• Ask your technical representative to install the unit. Any deficiency caused by your own installation may
result in electric shock or fire.
• Ensure that installation work is done correctly following this instruction manual. Any deficiency caused
by installation may result in electric shock or fire.
• Firmly connect the wiring using the specified cables. Carefully check that the cables do not exert any
forces on the terminals. Improper wiring connections may produce heat and possibly fire.
• Never modify or repair the Electric Heat Kit. Any deficiency caused by your modification or repair may
result in electric shock or fire. Consult with your technical representative about repair.
• All electrical work must be performed by a licensed technician, according to the local regulations and
the instructions given in this manual. Any lack of electric circuit or any deficiency caused by installation
may result in electric shock or fire.
• Stop the operation if any malfunction occurs. If malfunction occurs (burning smell, etc.) stop the
operation and turn off the power supply. Contact your technical representative. If the controller
continues to operate after a malfunction occurs, this may cause damage, electric shock or fire.
• Do not turn on the main power until installation has been completed. Doing so may result in electric
shock or fire.
• Keep the area around the unit clean to keep the indoor unit from accumulating dust on the components.
Dust particles that enter the indoor unit may cause fire.
• Do not move and re-install the Electric Heat Kit yourself. Any deficiency caused by the installation may
result in electric shock or fire. Ask your distributor or special technical representative for moving and
installation.
• This kit must be controlled exclusively through the use of CN24-1 and CN24-2 (2 stage models)
connections on the indoor unit control board. Failure to do so may cause fire.
Electric Heat Kit
Specifications are subject to change without notice. 9 © 2018 Mitsubishi Electric US, Inc.