38MURA: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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START-UP
Test Operation
Perform a test operation after completing a gas leak and electrical safety
check. Review the indoor unit installation instructions and owner's
manual for additional start up information.
System Checks
1. Conceal the tubing where possible.
2. Ensure that the drain tube slopes downward along its entire length.
3. Ensure all required piping and connections are properly insulated.
4. Fasten the tubes to the outside wall, when possible.
5. Seal the hole through which the cables and tubing pass.
Outdoor Unit
1. Are there unusual noises or vibrations during operation?
Explain the Following Items to the Customer (with the aid of the
Owner's Manual):
2. Explain care and maintenance.
3. Present the installation instructions to the customer.
CARE AND MAINTENANCE
To help ensure high performance and minimize possible equipment
failure, periodic maintenance must be performed on this equipment.
Maintenance frequency may vary depending upon geographic areas.
TROUBLESHOOTING
For ease of service, the systems are equipped with diagnostic code
display LEDs on both the indoor and outdoor units. The outdoor
diagnostic display are two LEDs (Red and Green) on the outdoor unit
board and is limited to very few errors. The indoor diagnostic display is a
combination of flashing LEDs on the display panel or the front of the
unit.
There may be a few error codes displayed in the indoor unit that might
relate to the outdoor unit’s problems. If possible, always check the
diagnostic codes displayed on the indoor unit first.
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