JOHNSON CONTROLS
5
FORM 102.20-OM2
ISSUE DATE: 6/01/2015
TABLE OF CONTENTS
SECTION 1 - GENERAL INFORMATION AND SAFETY ....................................................................................... 13
Introduction .....................................................................................................................................................13
About This Manual..........................................................................................................................................13
Warranty .........................................................................................................................................................13
Responsibility For Safety ................................................................................................................................13
SECTION 2 - START-UP AND OPERATION .......................................................................................................... 15
Before Start-Up ..............................................................................................................................................15
Inspecting Fan Assembly ......................................................................................................................16
Inspecting Belts and Sheaves ...............................................................................................................17
Checking Isolators ................................................................................................................................. 17
Start-Up .................................................................................................................................................19
Checking Operation of Fans ..................................................................................................................19
Checking Operation of Dampers ...........................................................................................................19
Energize Fan Motors .............................................................................................................................29
Variable Frequency Drive (VFD) ..........................................................................................................29
Check Doors And Latches .....................................................................................................................29
Energy Recovery Wheel ........................................................................................................................29
Indirect Fired Gas Heat Start Up ..........................................................................................................34
Starting the Electric Heater ...................................................................................................................46
Operation ........................................................................................................................................................50
Test And Balance ...................................................................................................................................50
Setting Limits ......................................................................................................................................... 50
Checking Motors, Belts and Sheaves ...................................................................................................51
P-Cone
®
................................................................................................................................................51
SECTION 3 - MAINTENANCE ................................................................................................................................53
General Requirements ...................................................................................................................................53
Inspect Parts ..................................................................................................................................................54
Cabinet ..................................................................................................................................................54
Door Hardware and Gaskets ................................................................................................................. 54
Panels ...................................................................................................................................................54
Hoods and Louvers ...............................................................................................................................54
Bird Screens .......................................................................................................................................... 54
Optional Moisture Eliminators ...............................................................................................................54
Outdoor Air Hood ...................................................................................................................................54
Fan Segment (Supply, Return or Exhaust) ....................................................................................................55
Removing the Fan .................................................................................................................................55
Checking the Fan ..................................................................................................................................55
Operating Adjustable Motor Base ..................................................................................................................55
Standard ................................................................................................................................................ 55
Checking Belt Tension ........................................................................................................................... 57
Aligning Sheaves ...........................................................................................................................................57
Using a Straightedge ............................................................................................................................. 58
Using a String ........................................................................................................................................ 58
Belt Replacement Tensioning and Sheave Alignment for Top Mount ............................................................. 58
Lubrication ...................................................................................................................................................... 60
Fan Bearing Lubrication ........................................................................................................................61
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