Sentry S-120 Installation And Operating Instructions Manual
CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAGE
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,3
Installation Requirements
Boiler Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Boiler Foundation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chimney Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Minimum Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Draft Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Vent Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Vent Damper Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 4,5,6
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Controls and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 6
Boiler Water Temperature Control . . . . . . . . . . . . . . . . . . . . 7–9
Multi-zoning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–11
Sequence of Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Boiler Room Air Supply and Ventilation . . . . . . . . . . . . . . . . 13
Water Piping at Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operating Instructions
Filling and Venting Water Systems . . . . . . . . . . . . . . . . . . . . 13
Burner Adjustment, Checking Gas Input. . . . . . . . . . . . . . . . 14
Care and Maintenance
General Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Water Level Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Annual Inspection and Cleaning . . . . . . . . . . . . . . . . . . . . . . 16
Safety Check for Control Systems . . . . . . . . . . . . . . . . . . . . 16
Protection from Freezing/Water Treatment . . . . . . . . . . . . . . 16
Keeping Area Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Appendix A & B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Appendix C & D & E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Printed in Canada 0713 Publication No. S-41
Part No. 46-0528C
Revision B
HOT WATER MODELS S-34 THROUGH S-150
INSTALLATION AND OPERATING INSTRUCTIONS
GAS-FIRED CAST-IRON BOILERS FOR NATURAL AND L.P. PROPANE GASES
IMPORTANT
READ ALL OF THE FOLLOWING
WARNINGS AND STATEMENTS
BEFORE READING THE
INSTALLATION INSTRUCTIONS
The installation must conform to the requirements of the authority
having jurisdiction or, in the absence of such requirements, to the
National Fuel Gas Code, ANSI Z223.1-latest edition or CSA
B149.1 latest edition for natural gas and propane. The installation
must also conform to the additional requirements in this Slant/Fin
Instruction Book.
In addition, where required by the authority having juris dic tion,
the installation must conform to American Society of Mechanical
Engineers Safety Code for Controls and Safety Devices for
Automatically Fired Boilers, No. CSD-1 or CSA B149.1 latest
edition
for natural gas and propane
. If there is any conflict
in the above requirements, then the more stringent requirement
will apply.
WARNING
This boiler, gas piping and accessories must be installed,
connected, serviced and repaired by a trained, experienced
service technician, familiar with all precautions required for gas-
fired equipment and licensed or otherwise qualified, in
compliance with the authority having jurisdiction.
SENTRY
™
This manual must be left with owner and should be hung
on or adjacent to the boiler for reference.
Heating Contractor
Address
Phone Number
Boiler Model Number
Boiler Serial Number
Installation Date
WARNING
SEE "WARNING" ON PAGE 3
FOR LIQUEFIED PETROLEUM (L.P.)
PROPANE GAS-FIRED BOILERS