CONTENTS .........................................................................PAGE
Dimensions............................ ......................................................2
Installation Requirements:
Boiler Location........................................ ................................3
Boiler Foundation....................................................................3
Chimney Requirements............................. .............................3
Minimum Clearance.....................................................................3
Vent Piping..............................................................................4
Gas Piping............................................. ......................................4
Electrical Controls and Wiring.................... ............................5
Boiler Room Air Supply and Ventilation......... .........................5
Draft Hood Installation.............................. ..............................5
Piping at Boiler—Water Boilers................... ...........................6
Steam Controls Assembly and Installation .............................6
Piping a Steam Boiler .........................................................6,7
Vent Damper.......................................... ..............................8,9
Operating Instructions:
Filling and Venting Water Systems.............. ...........................9
Initial Start, Safety and Lighting Instructions... ................10-11
Burner Adjustment, Checking Gas Input...... ........................12
Controls, Safety Check .........................................................13
Low Water Cut-off Check-Out....................................................13
Pressure Control Check-Out .....................................................13
Blowing Off a Steam Boiler........................................................14
Care and Maintenance.................................. ............................15
Safety Check for Control System..........................................16
Protection From Freezing.......................... ...........................16
Water Treatment....................................................................16
Sequence of Operations............................................................17
Wiring Diagrams.......................................... .........................18-25
Pump or Valve Zoning—Water Boilers.............. ........................26
Troubleshooting Guide...............................................................27
Piping a Heating and Cooling System.......................................28
Replacement Parts...................................... ..............................28
Appendix A ................................................................................29
IMPORTANT
READ ALL OF THE FOLLOWING WARNINGS AND
STATEMENTS BEFORE READING THE
INSTALLATION INSTRUCTIONS
WARNING
LIQUEFIED PETROLEUM (L.P.)
PROPANE GAS-FIRED BOILERS
Installation location ONLY as permitted in paragraph entitled
"LIQUEFIED PETROLEUM (L.P.) PROPANE GAS-FIRED
BOILER LOCATION" on page 3 of this instruction book.
The above warning does not apply to NATURAL gas-fired boilers.
The installation must conform to the requirements of the authori-
ty having jurisdiction or, in the absence of such requirements, to
the National Fuel Gas Code, ANSI Z223.1-latest edition. The
installation must also conform to the additional requirements in
this Slant/Fin Instruction Book.
In addition, where required by the authority having jurisdiction,
the installation must conform to American Society of Mechanical
Engineers Safety Code for Controls and Safety Devices for
Automatically Fired Boilers, No. CSD-1.
This manual must be left with owner and should be hung on or
adjacent to the boiler for reference.
WARNING
This boiler, gas piping and accessories must be installed, con-
nected, 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.
Printed in U.S.A. 706
PUBLICATION GG-40
Part No. 41-0549
Rev. I
INSTALLATION AND OPERATING INSTRUCTIONS
HOT WATER—Models GG-75H through GG-399H
LOW PRESSURE STEAM AND HOT WATER—
Models GXH-105 through GXH-300H and Models GX-225 and GX-250
LOW PRESSURE STEAM—Models GXHA-100 through GXHA-200
GALAXY
GAS-FIRED CAST IRON BOILERS FOR NATURAL AND L.P. PROPANE GASES
™
Heating Contractor
Address
Phone Number
Boiler Model Number
Boiler Serial Number
Installation Date
