ON DUR C508 INSTALLATION GUIDE
Mode1:003001.C508
This is the guide for the Our C508 thermostat. This low-voltage thermostat directly connects to one or multiple Daikin Indoor Units (IDU).
Typical Our C508 Wiring Diagram
Our C508 Daikin Thermostat, powered from the P1P2 communication wires 
ON DUR C508 INSTALLATION GUIDE
Alternate Our C508 Wiring Diagram
Our C508 Daikin Thermostat is powered from a segregated 16VDC supply from the Daikin Indoor Unit (IDU)
Tools
Screwdriver Wire nuts or Dolphin clips Electrical tape Screws
What’s in the box
ON DUR C508 thermostat Sheet metal mounting frame 4-wire harness
Confirm the thermostat model.
Ensure that the instrument being installed is the C508 ONDUR Thermostat.
Turn off the power to the HVAC equipment
Failure can cause injury or product math inning Warranty is voided if the product is installed under power.
Remove old thermostat
Some thermostats require screws to be removed. Separate wires from the thermostat and from inside the wall.
Evaluate wall box and wires
Trim existing wires and prepare for Later connections. Ensure enough room in the box for wires and connectors.
Install sheet metal mounting frame
Ensure that the mounting frame is level
Install wiring harness
Refer to site-specific wiring instructions.
Insert thermostat
Assure that all magnets have contact with sheet metal mounting frame.Confirm that the thermostat is level.
Restore power to HVAC equipment
Confirm that the thermostat is powered.
Perform basic functional test
Confirm that all fan speeds that are available work properly.Confirm cooling operation (if available).Confirm heating operation (if available).
Configure thermostat
Refer to the ONDUR configuration guide.
FCC STATEMENT :
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving a tenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator & your body.
