The CMH-3 consists of: 1. Installation Instructions 7960-233A 2. Control Assembly 910-1095 3. Low Pressure Control 1804-0107 4. Unit Label 7961-312-0012 For use with all WH182 - WH602 Hi-Boy Wall Mount Heat Pumps. INSTALLATION INSTRUCTIONS Disconnect all power to unit. Remove control panel inner and outer covers, and right side condenser inlet grille. Circled numbers on Figure 2 correspond to installation instruction steps. Dashed lines indicate that a wire has been disconnected from this

A minimum of twelve inch elevation is recommended, while greater elevation may be required for areas of high snow accumulation. Poured concrete, steel framework, brick, cement block, etc., can be utilized to construct a suitable raised mounting platform. See Figure 6. DUCT WORK Refer to Tables 4, 5 and 5A when designing duct work for maximum static pressure available with the specific model and heater package being installed. Unit duct work is suitable for 0” clearance to combustible materials.

(Also see “Electrical Data” on pages 2.) All models are suitable for connection with copper wire only. These instructions must be adhered to. Refer to the National Electrical Code for complete current carrying capacity data on the various insulation grades of wiring material. The electrical specifications on page 2 lists fuse and wire sizes (75° F copper) for all models including the most commonly used heater sizes. The unit rating plate lists a “Maximum Time Delay Fuse” or “HACR” type circuit b

1 General Instructions ................................................. 3 Important ................................................................ 3 Shipping Damage .................................................... 3 General ................................................................ 3 Field-Installed Heater Packages (Optional) .............. 3 Installation................................................................. 5 Location .....................................................