Trane WC-IOM-7 Installation, Factory Installed Economizer, Main Electrical Power Requirements

Installation

personnel with what is required in the installation process. It does not replace the detailed instructions called out in the applicable sections of this manual.

•Check the unit for shipping damage and material shortage; file a freight claim and notify appropriate sales representative.

•Verify correct model, options and voltage from nameplate.

•Verify that the installation location of the unit will provide the required clearance for proper operation.

•Assemble and install the roof curb (if applicable). Refer to the latest edition of the curb installers guide that ships with each curb kit.

•Fabricate and install ductwork; secure ductwork to curb.

•Rigging the unit.

•Set the unit onto the curb; check for levelness.

•Ensure unit-to-curb seal is tight and without buckles or cracks.

•Install and connect a condensate drain line to the evaporator drain connection.

Factory Installed Economizer

•Ensure the economizer has been pulled out into the operating position. Refer to the economizer installers guide for proper position and setup.

•Install all access panels.

Main Electrical Power Requirements

•Verify that the power supply complies with the unit nameplate specifications.

•Inspect all control panel components; tighten any loose connections.

•Connect properly sized and protected power supply wiring to a field- supplied/installed disconnect switch and to the main power terminal block (HTB1) in the unit control panel.

•Install proper grounding wires to an earth ground.

Note: All field-installed wiring must comply with NEC and applicable local codes.

Electric Heat Requirements

•Verify that the power supply complies with the electric heater specifications on the unit and heater nameplate.

•Inspect the heater junction box and control panel; tighten any loose connections.

•Check electric heat circuits for continuity.

Low Voltage Wiring (AC & DC) Requirements

•Install the zone thermostat, with or without switching subbase.

22 Packaged Heat Pump • WC-IOM-7