Up Flow
Down Flow
Horizontal Right
Horizontal Left
FIGURE 1: Typical Installation with MC or FC Evaporator Coil
DOWNFLOW AND HORIZONTAL CONVERSION
These air handler units are supplied ready to be installed in a upflow, downflow and left or right hand horizontal position.
If the unit is to be installed with an evaporator coil, refer to Figure 1 for unit positioning information.
TIE PLATE
AIR HANDLER
COIL
COIL
TOP PLATE
UPFLOW & HORIZONTAL
APPLICATIONS
DOWNFLOW
APPLICATION
AIR HANDLER
FIGURE 2: Coil and Air Handler Attachment Details
AIR HANDLER AND COIL UPFLOW AND HORIZONTAL INSTRUCTIONS
1.Apply neoprene gasket to top of coil.
2.Position blower casing over coil opening. NOTE: Tie plate and screws are provided with coils.
3.Attach tie plate to casings of air handler and coil using screws.
4.Remove blower access panel.
5.Fasten duct flanges of coil to duct flanges of air handler with screws. See Figure 2.
6.Secure base of air handler to top of coil using screws.
7.Complete electrical and blower speed connections as outlined in other sections of this document.
8.Reposition and replace blower access panel.
AIR HANDLER AND COIL DOWNFLOW
INSTRUCTIONS
1.Position blower casing over duct connection and secure such that the supply air end of the blower is down.
2.Apply neoprene gasket to
3.Place coil casing over blower return opening.
NOTE: Tie plate and screws are provided with coils.
4.Attach tie plate to casings of air handler and coil using screws.
5.Remove blower access panel and coil filter door.
6.Fasten duct flanges of coil to base of air handler with screws. See Figure 2.
7.Secure base of air handler to base of coil using screws.
8.Complete electrical and blower speed connections as outlined in other sections of this document.
9.Reposition and replace blower access panel.
Blowers with an electric heater kit may require a
Unitary Products Group | 3 |