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GB200-IM-5
42-9184
GB200 SERIES
INSTALLATION, OPERATION
& MAINTENANCE MANUAL
WITH REPLACEMENT
PARTS LIST
GAS-FIRED STEAM
CAST IRON BOILERS
85,000 TO 165,000 BTUH INPUT
INTERMITTENT PILOT/VENT DAMPER
& STANDING PILOT/VENT DAMPER
SECTION 1: INTRODUCTION
Code Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Venting Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Chimney Requirements . . . . . . . . . . . . . . . . . . . . . . . . . .3
Combustion Air Requirements . . . . . . . . . . . . . . . . . . . . .3
Water Treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Shipment of Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
SECTION 2: BOILER INSTALLATION
Step 1: Locating/Setting Boiler . . . . . . . . . . . . . . . . . . . . .4
Step 2: Installing Steam Piping . . . . . . . . . . . . . . . . . . . .5
Step 3: Installing Hydronic Components . . . . . . . . . . . . .5
Step 4: Venting Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Step 5: Installing/Testing Gas Piping . . . . . . . . . . . . . . . . .7
Step 6: Wiring Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
SECTION 3: START-UP & OPERATION
Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . . .11
Prior To Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Start-Up & Adjustments . . . . . . . . . . . . . . . . . . . . . . . . .11
SECTION 4: MAINTENANCE
Before Each Heating Season . . . . . . . . . . . . . . . . . . . . .14
Steam Boiler Cleaning Instructions . . . . . . . . . . . . . . . . .15
How To Change Orifices . . . . . . . . . . . . . . . . . . . . . . . . .15
Heating System Problems & Causes . . . . . . . . . . . . . . .15
REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . .16-17
WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
TABLE OF CONTENTS
WESTCAST, INC.
260 NORTH ELM STREET WESTFIELD, MA 01085
TEL. (413) 562-9631 FAX (413) 562-3799
www.smithboiler.com