Operating Test; Address Selector; Fault Code; Guide For The Owner - Carrier 40KMC Installation Manual

Infrared remote
Operating test, address selector, fault code and Guide for the owner

Operating test

• Perform the operating test after the units have been installed in
position and the gas leak test has been completed.
• Check all electrical connections (instructions and wiring
diagram).
• Insert the batteries into the remote control and leave it OFF.
• Energise the system, turning the power supply ON.
• Press the and buttons of the infrared remote control and
hold them pressed for more than 5 seconds.
The display will be cleared, the time segments will display the
icon (Src = service test).
• When test mode is selected, the unit will operate as described
below:
- The Unit Status (Green) and Timer (Yellow) LEDS blink every
2 seconds.
- The indoor fan will operate according to user-selected speed.
If user selected speed is Auto, the fan will run in High speed.
- If the unit is configured as an A/C Only unit, it will operate in
cool mode with demand.
• The louver will operate according to user-selected position. If
user selected louver is Auto, louver operates according to cool
louver:
- If the unit is configured as a Heat Pump unit, the louver will
operate according to user-selected position. If user selected
louver is Auto, louver operates according to auto heat or cool
louver based on operating mode. The unit will run in cool
mode for 3 minutes, then it will run in heat mode for 2
minutes, or until the indoor coil is greater than 104 F The unit
will run in cool mode until test mode is exited.
• Any of the following will cancel the test Mode:
- When the unit is turned off by the controller.
- If the power is cycled during the Test Mode, the unit will return
to its normal operating mode.
- After 30 minutes of receiving the last valid test request
message.
- Fail Mode

Address selector

If you are installing two indoor units in the same room and you
want them to operate in independent mode, it is necessary to
assign each unit its own address so that each unit can operate via
its own remote control.
For configuration, proceed as follows:
Configuration (unit address) Table I
• Press the and buttons of the infrared remote control and
hold them pressed for more than 5 seconds.
• The display will be cleared, the time segments will display the
first configuration item (rAdr = remote address) and the
GB - 4
temperature segments will display the default value of this
configuration item (Ab = control of both indoor units).
• Press either the or button to change the default value (Ab)
to the new value (A) or (b).
• Press button to transmit the new configuration to the unit.
• Press button to leave the configuration menu.
Configuration (remote control address) Table II
• Press the and buttons of the infrared remote control and
hold them pressed for more than 5 seconds.
• The display will be cleared, the temperature segments will
display the first configuration item (CH = remote address) and
the time segments will display the default value of this
configuration item (Ab = control of both indoor units).
• Press either the or button to change the default value (Ab)
to the new value (A) or (b).
• Press button to set the new configuration on the remote
control.
• Press button to leave the configuration menu.
Note:
When 30 seconds have elapsed and no buttons have been
pressed, the remote control will automatically exit the
configuration menu and the procedure has to be restarted.

Fault code

To have information on the fault codes, please refer to the unit
installation manual.

Guide for the owner

When installation and tests are completed explain the Operation
and Maintenance Manual to the owner, with particular attention to
the main operating modes of the air conditioner, such as:
• Turning the unit on and off.
• Functions of the remote control.
Leave the two installation manuals for the indoor and outdoor
units with the owner for future use during maintenance operations
or for any other needs.