TABLE OF CONTEN S
USING THIS MANUAL 1
A. INSTALLATION SEQUENCE ............. 1
B. SPECIAL ATTENTION BOXES ........... 1
1. PREINSTALLATION 2
A. ACCESSIBILITY CLEARANCES .......... 2
B. CLEARANCE FROM COMBUSTIBLE
CONSTRUCTION ..................... 2
C. AFR FOR COMBUSTION AND
VENTILATION ....................... 2
D. LIQUEFIED PETROLEUM (LP) GAS ....... 4
E. INSTALLATION SURVEY ............... 4
E PLANNING THE LAYOUT ............... 4
2. BOILER SET.;UP 5
3.
A. BOILER SUPPLY AND RETURN .......... 6
B. SAFETY RELIEF VALVE ................ 7
C. PIPING FOR ZONED SYSTEMS .......... 8
D. EXPANSION TANK .................... 9
E. INDIRECT-FIRED WATER HEATER ........ 9
E FREEZE PROTECTION ................. 9
4. VENTING _ 10
A. GENERAL .......................... 10
B, CHIMNEY VENTING .................. 10
C. DIRECT EXHAUST
HORIZONTAL VENTING- . ............. 11
D. DIRECT EXHAUST
VERTICAL VENTING .................. 13
E. BOILER REMOVAL FROM
COMMON VENTING SYSTEM .......... 14
5. GASPIPING: ; __ " ....... ........
6. ELECTRICAL 17
A. WIRING ........................... 17
B. ZONED SYSTEM WIRING ............. 17
C. CONTROLS ........................ 17
D. SEQUENCE OF OPERATION ........... 18
7, START-UP PR_CE_URES_ _ _._ 2,1
A. COMPLETING THE INSTALLATION ...... 21
B. CONTROL DESCRIPTIONS ............. 24
C. ADJUSTMENT OF GAS PRESSURE
REGULATOR ....................... 24
D. CHECKING BURNER INPUT ............ 24
E. CHECK-OUT PROCEDURE ............. 25
A. SHUT-DOWN CAUSED BY PILOT OUTAGE,
PRESSURE SWITCH OR FLAME ROLL-OUT
SAFETY SHUT-OFF SWITCH ........... 26
B. TROUBLESHOOTING GUIDES .......... 26
C. MEASURING SUCTION PRESSURE ...... 26
A. GENERAL .......................... 30
B. DAILY (WITH BOILER IN USE) .......... 30
C. WEEKLY (WITH BOILER IN USE) ........ 30
D. MONTHLY (WITH BOILER IN USE) ....... 30
E. ANNUALLY (BEFORE START OF HEATING
SEASON) .......................... 31
A. BLOCK!BASE/FLOOR PAN
JACKET/FLUE COLLECTOR ............ 33
B, BASE/BURNERS/MANIFOLD ........... 34
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