2VCS-VCT-VPS-VPT-IOM (06-23) 1042552-A
TABLE OF CONTENTS
GENERAL INFORMATION ................................................................... 3
References .............................................................................. 3
Important Safety Information................................................................. 3
Warranty ................................................................................ 4
Model Application ......................................................................... 4
Certification .............................................................................. 4
Installation Codes ......................................................................... 5
Heater Location........................................................................... 5
Mounting Height Requirements ............................................................ 5
Hazards of Chlorine ..................................................................... 5
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Clearances .............................................................................. 6
Weights ................................................................................. 8
SYSTEM CONFIGURATIONS ................................................................. 8
INSTALLATION ........................................................................... 19
Unpacking and Inspection.................................................................. 19
Pre-Installation Checklist................................................................... 19
Heater Assembly......................................................................... 19
Heater Suspension ....................................................................... 23
Vent Connections ........................................................................ 24
Vertical Venting ....................................................................... 25
Horizontal Venting ..................................................................... 26
Fresh Air Intake ....................................................................... 28
Piping Connections ....................................................................... 28
Gas Supply Pressure ................................................................... 28
Gas Supply Piping ..................................................................... 29
Supply Piping Connections .............................................................. 30
Electrical Connections..................................................................... 32
CONTROLS .............................................................................. 32
Pressure Switch ......................................................................... 32
Combination Gas Valve.................................................................... 32
Ignition Controller ........................................................................ 32
OPERATION ............................................................................. 33
Pre-Startup Checklist ..................................................................... 33
Startup................................................................................. 34
Measure and Adjust Manifold Gas (Outlet) Pressure ............................................. 34
Post-Startup Checklist..................................................................... 35
MAINTENANCE........................................................................... 36
Service Checklist......................................................................... 36
Maintenance Procedures .................................................................. 37
Burner Maintenance .................................................................... 37
Fan and Motor Assembly Maintenance ..................................................... 38
Combination Gas Valve Maintenance ...................................................... 39
Ignition Controller Replacement ........................................................... 41
Pressure Switch Replacement ............................................................ 41
TROUBLESHOOTING...................................................................... 42
General Troubleshooting................................................................... 42
Troubleshooting Using Ignition Controller ...................................................... 42
APPENDIX: MULTIPLE UNIT WIRING CONNECTIONS (MODELS VCT AND VPT) ..................... 43
INSTALLATION RECORD (TO BE COMPLETED BY INSTALLER) .................................. 44