8
Installation
Location
Access for servicing is an important factor in the location of any air handler. Provide a minimum of 30 inches in front of the
door or by locating the appliance so that a wall or partition is not less than 30 inches from the front access panel. Location
decided, consider the following in choosing a suitable location.
1.
connections.
2.
bedrooms, study, etc.
3. Caution should be taken to locate the unit so that supply and return air ducts are about the same length causing even air
distribution of supply and return air to and from the living spaces.
4. Locate appliance where electrical supply wiring can be easily routed to main electrical panel and where electrical wiring will
not be damaged.
5. Locate appliance where control wiring can be easily routed to the controller and where the wiring will not be damaged.
6. Locate appliance where refrigerant lines can be easily routed from the evaporator coil to the system.
7. Locate the appliance where condensate lines can be easily routed to an available drain. Be sure to route condensate drain
8. The coil is installed in a draw-thru application and will create a negative pressure situation in the condensate drain system.
To prevent condensate from being drawn into the blower it is recommended to trap the primary (Main) and secondary
it must be capped. This unit has a connection terminal for drain system monitoring. Refer to Wiring Work section for
9. The draw-thru design will cause exterior surface of cabinet to sweat when unit is installed in a non-conditioned space
such as an attic or garage. Installer must provide protection such as full size auxiliary drain pan on all units installed in a
insulation to be installed on the exterior casing of the air handler to prevent sweating. Refer to the state, city, county or local
non-conditioned spaces be insulated on the exterior of the entire cabinet, including the front access panel with one (1) inch
10.
drain piping, as described for the intake duct installation and in “Drain pipe installation”.
H
H
Clearance - Access for service
30" minimum
Right side of unit
Vertical installation Horizontal installation
Refrigerant pipe work must be done before installing the indoor unit.
Indoor unit installation
DB68-11271A-02_IM_CAC Universal AHU Indoor_AA_EN_.indd 8 2022-09-15 오전 9:53:15
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