If pmenum is wider than stiffener:
2.The five reference hole marks you've made on the pbnum outline the area that must be cut out. Mark straight Hinesconnecting the five points.
WARNING: Wear safety giasses! Be sure not to driU or cut into air conditioner coii or tubing! BfebctMc driU is used, be sure it is propeMy grounded.
3.DriU or punch a iarge hob in one corner of the area to be cut out. This wiU aUow you to insert tin snips or a metai saw.
4.Cut along the lines connecting the five points. If any of the cut edges are rough, fib them smooth.
5.DriU the remaining hobs marked on the pbnum with a 1/8" drill bit.
6.Mount the stiffener with the mounting tabs facing out toward you. Use the seven sheet metal screws, supplied, to fasten the stiffener. Make sure the stiffener is flush with the plenum and is airtight. Seal around the edge with caulking (not furnished) if necessary.
7.Using the two finger grips (Fig. 9) on the lower edge of the front panel, simply lift the front panel about 1/8" straight up, swing the lower edge out, pull down until the front panel is free. Remove lower rod screw (Fig. 9).
Disconnect media motor wiring at the electrical disconnect. Grasp both ends of the electrical
disconnect and simply pull apart (Fig. 9).
WARNING: Do not pull on wires to separate electrical connector.
Upper Case Electrical Disconnect
Lower
Rod
Screw
Front | Reservoir | Lower |
Panel | Assembly | Case |
Finger Grips | Latch |
|
Fig, | 9 |
|
Remove the reservoir assembly. Remove the lower case from the humidifier by unfastening the latches on both sides and removing the lower rod screw. Set the lower case, reservoir media wheel assembly, and front panel aside. Remove the humidistat from the lower case.
8_ Hang the upper case assembly on plenum stiff- ener mounting tabs (Fig. 7). Tabs may have to be bent out slightly to fit into the slots in the back of the upper case assembly. Secure the upper case to the stiffener by pressing the capped fastener (No. 47, Page 16) through the back of the humidifier and into hole "A" (Fig. 10).
NOTE: It is very important that this fastener be used. If the upper case is not attached with the fastener, it could be dropped and damaged during routine maintenance.
Conduit Box | Hole "A" |
Fig, 10
HUMIDISTAT
Locate the humidistat on the return (cold) air plenum (Fig. 11). DO NOT install the humidistat on the supply (hot) air plenum because the humidistat cannot accurately measure indoor relative humidity and will cause the humidifier to function improperly.
Cut
Hole
Supply
Air
Plenum
Return
Air
Plenum\\
Gasket
Fig, 11
2, The humidistat mounts in a horizontal position, Using gasket as a template, mark the location of the two mounting holes and the opening for the humidistat on the return air plenum,
3.Drill 1/8" holes for two mounting screws. Cut out the opening for the humidistat.
