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Smith Cast Iron Boilers GB200 SERIES, Руководство по установке и эксплуатации

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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

AA

AA

WESTCAST, INC. 
260 NORTH ELM STREET  WESTFIELD, MA 01085  
TEL. (413) 562-9631  FAX (413) 562-3799
www.smithboiler.com

Содержание GB200 SERIES

Страница 1: ...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...

Страница 2: ...ting sys tem common venting system is likely to be too large for proper venting of appliances remaining connected to it At time of removal of existing boiler the following steps shall be followed with...

Страница 3: ...outside or through a vertical duct each opening must have a minimum free area of one square inch per 4000 Btu hr of gas input Horizontal ducts to the outside must have a minimum free area of one squar...

Страница 4: ...ting flue pipe between draft hood and chimney is as short as possible Observe the following minimum clearances to combustibles 18 on sides alcove at front 28 at top 18 at rear 6 from flue pipe in any...

Страница 5: ...r Check local code requirements if in doubt Discharge piping must be of same size or larger than the relief valve outlet and should be run as short and straight as possible Elbows in the discharge pip...

Страница 6: ...t be maintained The vent damper must be accessible for servicing and checking position indicator If applicable remove hairpin shipping clip which holds damper blade in closed position and observe that...

Страница 7: ...cautions STEP 5 INSTALLING TESTING GAS PIPING Connect the gas piping from the meter to the boiler using a pipe size which will result in a pressure drop of less than 0 3 W C for natural gas or 0 5 W C...

Страница 8: ...6 724 1086 2047 90 83 173 322 677 1023 1921 100 78 162 307 630 967 1811 125 69 146 275 567 866 1606 150 63 132 252 511 787 1498 1 2 3 4 1 1 1 4 1 1 2 2 8 FIGURE 2 7 GAS PIPE SIZING TABLES EXAMPLE Exam...

Страница 9: ...105 C rating Other wise insulation may melt or degrade exposing bare wire NOTE Boiler transformer must not be used to power external accessories i e zone valves relays etc Oth erwise transformer will...

Страница 10: ...tion Sequence for Boilers Equipped with Intermittent Pilot Vent Damper and 400 Series or M M PS804 LWCO FIGURE 2 11 Wiring Diagram Operation Sequence for Boilers Equipped with Standing Pilot Vent Damp...

Страница 11: ...trodes b Set thermostat to no longer call for heat Spark should stop Observe that damper position indicator rotates to the closed position c Set thermostat to call for heat 3 Light the boiler For Mode...

Страница 12: ...es be changed When changing orifices follow the procedures detailed in Section 4 of this manual 9 Start and stop burners several times by raising and low ering the thermostat setting 10 After boiler h...

Страница 13: ...setting 3 Turn off all electric power to the appliance 4 Remove control access panel if applicable 5 Rotate gas control knob clockwise to OFF 6 Wait five 5 minutes to clear out any gas Then smell for...

Страница 14: ...for clean ing Minerals in the water can build up on the heat trans fer surfaces and cause overheating and subsequent fail ure of the cast iron sections NOTE To reduce the risk of fouling the low wate...

Страница 15: ...off position While boiler is still hot drain completely through boiler drain Make sure that all low points in the return line are also completely drained These areas could trap chemicals and dirt 9 C...

Страница 16: ...e 59185 2 3 3 4 21 Low Water Cut Off CG400 50090 1 1 1 1 22 Pigtail 1 4 CG400 61684 1 1 1 1 23 Pressuretrol PA404A 50493 1 17 1 1 24 Press Gauge 0 15 P S I 60268 1 1 1 1 25 Water Gauge 59199 1 1 1 1 2...

Страница 17: ...5 24 V 43VA 50172 1 1 1 1 Honeywell Intermittent Pilot System 5 Pilot Ass y NG Q3451B 72352 1 1 1 Pilot Ass y NG Q3451B 72353 1 Pilot Ass y LP Q3451B 72358 1 1 1 Pilot Ass y LP Q3451B 72359 1 Ignition...

Страница 18: ...18 27 13 12 11 16 17 26 8 5 3 10 4 6 30 14 9 2 15 32 33 20 25 22 23 24 21 FIGURE 1 GB200 GENERAL ASSEMBLY 1 28 31 30 34...

Страница 19: ...19...

Страница 20: ...e living space Flames coming out around the appliance Yellow colored flames in the appliance Stale or smelly air The presence of soot or carbon in or around the appliance Very high unexplained humidit...

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