Full Product Manual

2
WARNING: Read the Installation & Operating Instructions before using this appliance.
IMPORTANT: Read all instructions and warnings carefully before starting installation.
Failure to follow these instructions may result in possible injury to persons or a re
hazard and will void the warranty.
TABLE OF CONTENTS
Specications ...................................................................................................................................2
Important Safety Information ............................................................................................................3
Product Identication ........................................................................................................................5
Product Features ..............................................................................................................................6
Unpacking.........................................................................................................................................6
Preparing for Installation...................................................................................................................7
Installation ......................................................................................................................................10
Operation ........................................................................................................................................19
Care and Maintenance ................................................................................................................... 21
Troubleshooting ..............................................................................................................................23
Replacement Parts .........................................................................................................................26
Accessories ....................................................................................................................................27
Warranty ......................................................................................................................................... 29
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specied heat
• for propane/LP units, propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, contact your local natural or propane/LP gas supplier.
Model
VFS2-L20DT
VFS2-PH20DT
VFS2-L30DT
VFS2-PH30DT
Input Rating
20,000 BTU/Hr 30,000 BTU/Hr
Minimum Input Rating
16,000 BTU/Hr 10,000 BTU/Hr 24,000 BTU/Hr 15,000 BTU/Hr
Gas Type LP NG LP NG
Manifold Pressure 10'' WC 5'' WC 10'' WC 5'' WC
Max. Inlet Pressure 14'' WC 14'' WC 14'' WC 14'' WC
Min. Inlet Pressure 11'' WC 6'' WC 11'' WC 6'' WC