Specifications

33
Part 2
Optional Accessories
1. Plenum Chamber...........................................................................................34
1.1 USP3H...............................................................................................................34
1.2 USP5H/8H .........................................................................................................35
2. Heaters ...........................................................................................................36
2.1 Electric Heaters ................................................................................................36
2.2 Steam Heater and Steam Spray Type Humidifier .........................................49
3. Rear Duct Connection....................................................................................58
3.1 USP5H...............................................................................................................58
3.2 USP8H/USP10H................................................................................................60
4. Fresh Air Intake Duct Connection.................................................................63
4.1 Cautions............................................................................................................63
4.2 Mounting Procedure........................................................................................63
4.3 Parts ..................................................................................................................64
5. Air Discharge Duct Connection (Without Plenum Chamber).....................65
5.1 Caution .............................................................................................................65
5.2 Mounting Procedure........................................................................................65
5.3 Parts ..................................................................................................................66
6. Fan Motor One Size Larger ...........................................................................67
6.1 Applicable Model.............................................................................................67
6.2 Mounting Procedure........................................................................................67