PRE-INSTALLATION
Pre-Installation
1. The power supply (v, ph, and Hz) must correspond to that specified on unit rating plate.
2. The electrical supply provided by the utility must be sufficient to handle load imposed by this unit.
3. Refer to Installation, General section for locations of electrical inlets, condensate drain, duct connections, and
required clearances before setting unit in place.
4. This installation must conform with local building codes and with the NEC (National Electrical Code) provincial
and local plumbing or wastewater codes and other applicable local codes.
Moving and Storage - To transfer unit from truck to storage site, use a fork truck. Do not stack units more than 2
high during storage. If unit is to be stored for more than 2 weeks before installation, choose a level, dry storage site
free from vibration. Do not remove plastic wrap or skid from unit until final installation.
Rigging - All 40RUM Series units can be rigged by using the shipping skid. Units are shipped fully assembled. Do not
remove shipping skids or protective covering until unit is ready for final placement; damage to bottom panels can
result. Use slings and spreader bars as applicable to lift unit.
INSTALLATION
General - Allow the following clearances for service access and airflow:
• Rear: 3 ft (914 mm) [21/2 ft (762 mm) with electric heat accessory]
• Front: 2
1
2
�
ft (762 mm)
• Right Side: 3
1
2
�
ft (1067 mm)
• Left Side: 2
1
2
�
ft (762 mm)
Be sure floor, wall, or ceiling can support unit weight, refer Dimensional Drawing for dimensions.
Uncrating - Move unit as near as possible to final location before removing shipping skid.
Remove metal banding, top skid, and plastic wrap. Examine unit for shipping damage. If shipping damage is evident,
file claim with transportation agency. Remove base skid just prior to actual installation. Check nameplate information
against available power supply and model number description.
NOTE: Be sure to remove the styrofoam shipping pad from the thermostatic expansion valve (TXV). Verify that it has
been removed
Accessories - Refer to instructions shipped with each accessory for specific information.
Foam Block Location
Unit Positioning -
The unit can be mounted on the floor for vertical application with return air entering the face of
the unit and supply air discharging vertically through the top of the unit. The unit can also be applied in a horizontal
arrangement with return air entering horizontally and the supply air discharging horizontally. When applying the unit in
a horizontal arrangement, ensure the condensate drain pan is located at the bottom center of the unit for adequate
condensate disposal. See Typical Unit Positioning for condensate connections for each unit position.
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