McQuay PDAA Installation Manual

Installation & Maintenance Data IM 912

Group: PDAC/PDHP

Part Number: 668899501

Date: February 2008

Remote Thermostat Retro-t Kit for 16" x 44" Replacement Unit

Kit Part No. 668899801

CAUTION

Installation and maintenance is to be performed only by qualied

personnel who are familiar with, and in compliance with state, local and national codes and regulations, and experienced with this type of equipment. Sharp edges and coil surfaces are potential injury hazards. Avoid contact with them.

DANGER

Disconnect all electrical power before servicing unit. Electrical shock will cause severe injury or death.

WARNING

To avoid electrical shock, personal injury or death:

1. Installer must be qualied, experienced technician.

2. Disconnect power supply before installation to prevent electrical shock and damage to equipment.

CAUTION

Sharp metal edges are a hazard, use care when servicing to avoid contact with them.

Tools Required

• 1/4" Nut driver

• Small Screw driver

Procedure

1. Disconnect all power from the unit by unplugging the power cord from the receptacle.

2. Remove the two (2) retaining screws from the upper coners of the front panel and remove the panel.

3. Disconnect the communication cable from the Touchpad.

4. Press in release clips on the back of the Touchpad and remove Touchpad from cabinet.

5. Install Touchpad block-off plate and secure with “pine tree” clips that are included in the kit.

6. Remove screws that will allow access to the inside of the control box and to the Control Board and remove communication cable from control board.

7. Connect Remote Thermostat wires to Remote Thermostat plug connector taking care that the correct wires are under the correct lug and are safely routed. The connector is labeled R C W Y B G and will mate up with the corresponding control board connector.

8. Close control box and secure with screws.

9. Reinstall front panel and secure.

10. Apply power and test for proper operation according to thermostat instructions.