Specifications

9
JOHNSON CONTROLS
FORM 102.20-N1 (1109)
TABLE OF CONTENTS (CONT'D)
3.0 STARTUP ....................................................................................................................................................3-1
PRE START-UP ..........................................................................................................................................3-2
PRE START UP FAN ASSEMBLY INSPECTION ......................................................................................3-3
Motors - ODP vs. TEFC ........................................................................................................................3-3
Isolators .................................................................................................................................................3-4
Preparing Fan Isolators for Operation ...........................................................................................3-4
START-UP ..................................................................................................................................................3-5
CHECK OPERATION OF FANS .............................................................................................................3-5
Check Operation of Dampers ...............................................................................................................3-5
Airow Control Dampers .................................................................................................................3-5
Typical Actuators Locations ...........................................................................................................3-6
Basic Actuators Installation ............................................................................................................3-6
Damper Blade Orientation .........................................................................................................3-6
Energize Fan Motor(s) ..........................................................................................................................3-7
Variable Speed Drive (VSD) ..................................................................................................................3-7
Set Up of a Non-Factory Mounted VFD .....................................................................................3-7
Check Doors and Latches for Proper Adjustment .............................................................................3-8
Sheaves ..................................................................................................................................................3-8
General Guidelines for Replacing an Adjustable Sheave with a Fixed Sheave: ........................3-8
Energy Recovery Wheel .......................................................................................................................3-9
Unit Conguration ...........................................................................................................................3-9
Indoor Units .................................................................................................................................3-9
Outdoor Units ..............................................................................................................................3-9
Start-Up Procedure for Energy Recovery Wheel ..........................................................................3-9
Indirect Fired Gas Heat Start Up ........................................................................................................3-11
Introduction ....................................................................................................................................3-11
Identify the Unit Type .....................................................................................................................3-11
Preliminary Coordination ..............................................................................................................3-12
Tools Recommended .....................................................................................................................3-12
Air Handler Pre Start Checks ........................................................................................................3-12
Burner Pre Start Checks ...............................................................................................................3-12
Burner Start-Up Procedure ...........................................................................................................3-14
Condensate Drain Arrangement ...................................................................................................3-15
Electric Heat Startup ...........................................................................................................................3-25
Airow Requirements ....................................................................................................................3-25