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(18) Clearances to combustible material – use of
thimbles.
(19) Firestops.
(20) Flashing and storm collars.
(21) Guying or bracing of common vent pipe above
roof.
(22) Securing and gas tightness of joints.
(23) Lightning arrester if top of metal vent is one of
highest points on the roof.
Where choice is possible, many advantages can be
listed for the UL Listed double wall metal type B vent:
WARNiNG
WHEN AN EXISTING BOILER IS REMOVED FROM A COMMON VENTING SYSTEM, THE COMMON VENTING
SYSTEM IS LIKELY TO BE TOO LARGE FOR PROPER VENTING OF THE APPLIANCES REMAINING
CONNECTED TO IT. AT THE TIME OF REMOVAL OF AN EXISTING BOILER, THE FOLLOWING STEPS SHALL
BE FOLLOWED WITH EACH APPLIANCE REMAINING CONNECTED TO THE COMMON VENTING SYSTEM
PLACED IN OPERATION, WHILE THE OTHER APPLIANCES REMAINING CONNECTED TO THE COMMON
VENTING SYSTEM ARE NOT IN OPERATION.
A. SEAL ANY UNUSED OPENINGS IN THE COMMON VENTING SYSTEM.
B. VISUALLY INSPECT THE VENTING SYSTEM FOR PROPER SIZE AND HORIZONTAL PITCH AND
DETERMINE THERE IS NO BLOCKAGE OR RESTRICTION, LEAKAGE, CORROSION AND OTHER
DEFICIENCIES WHICH COULD CAUSE AN UNSAFE CONDITION.
C. INSOFAR AS IS PRACTICAL, CLOSE ALL BUILDING DOORS AND WINDOWS AND ALL DOORS
BETWEEN THE SPACE IN WHICH THE APPLIANCES REMAINING CONNECTED TO THE COMMON
VENTING SYSTEM ARE LOCATED AND OTHER SPACES OF THE BUILDING. TURN ON CLOTHES
DRYER AND ANY APPLIANCE NOT CONNECTED TO THE COMMON VENTING SYSTEM. TURN
ON ANY EXHAUST FANS, SUCH AS RANGE HOODS AND BATHROOM EXHAUSTS, SO THEY WILL
OPERATE AT MAXIMUM SPEED. DO NOT OPERATE A SUMMER EXHAUST FAN. CLOSE FIREPLACE
DAMPERS.
D. PLACE IN OPERATION THE APPLIANCE BEING INSPECTED. FOLLOW THE LIGHTING
INSTRUCTIONS. ADJUST THERMOSTAT SO APPLIANCE WILL OPERATE CONTINUOUSLY.
E. TEST FOR SPILLAGE AT THE DRAFT HOOD RELIEF OPENING AFTER 5 MINUTES OF MAIN BURNER
OPERATION. USE THE FLAME OF A MATCH OR CANDLE, OR SMOKE FROM A CIGARETTE, CIGAR
OR PIPE.
F. AFTER IT HAS BEEN DETERMINED THAT EACH APPLIANCE REMAINING CONNECTED TO THE
COMMON VENTING SYSTEM PROPERLY VENTS WHEN TESTED AS OUTLINED ABOVE, RETURN
DOORS, WINDOWS, EXHAUST FANS, FIREPLACE DAMPERS AND OTHER GAS BURNING
APPLIANCE TO THEIR PREVIOUS CONDITIONS OF USE.
G. ANY IMPROPER OPERATION OF THE COMMON VENTING SYSTEM SHOULD BE CORRECTED
SO THE INSTALLATION CONFORMS WITH THE NATIONAL FUEL GAS CODE, ANSI Z223.1.
WHEN RESIZING ANY PORTION OF THE COMMON VENTING SYSTEM, THE COMMON VENTING
SYSTEM SHOULD BE RESIZED TO APPROACH THE MINIMUM SIZE AS DETERMINED USING THE
APPROPRIATE TABLES IN CHAPTER 10 IN THE NATIONAL FUEL GAS CODE, ANSI Z223.1.
1. Warm up is faster with type B vents than vents
having greater mass.
2. Type B vents permit closer clearance to
combustible material than single wall metal
vents unless special precautions are taken with
the latter.
3. Type B vents are less prone to condensation and
corrosion than single wall metal vents.
4. Type B vents are lightweight, easy to handle and
assemble.
SecTiON iii – iNSTALLATiON iNSTRUcTiONS (continued)
Содержание 5006B
Страница 10: ...10 Fig 6 ARRANGEMENT OF SECTIONS AND CANOPY S SECTION III INSTALLATION INSTRUCTIONS continued...
Страница 22: ...22 Fig 22 SECURING OF CANOPY DRAFTHOOD SECTION III INSTALLATION INSTRUCTIONS continued...
Страница 23: ...23 Fig 23 CANOPY DRAFTHOOD MOUNTING DIAGRAM SECTION III INSTALLATION INSTRUCTIONS continued...
Страница 29: ...29 Fig 28 MOUNTING ELEVATIONS OF M M 150 AND A 67M FLOAT LWCO SECTION III INSTALLATION INSTRUCTIONS continued...
Страница 51: ...51 Fig 46 wiring diagram 5006B THRU 5014B SECTION BOILERS OP CONTROL SYSTEM SECTION IV OPERATION continued...
Страница 53: ...53 Fig 47 wiring diagram 5015B THRU 5026B SECION BOILERS OP CONTROL SYSTEM SECTION IV OPERATION continued...
Страница 55: ...55 Fig 48 wiring diagram 5006B THRU 5014B SECTion BOILERS EP CONTROL SYSTEM SECTION IV OPERATION continued...
Страница 56: ...56 Fig 49 wiring diagram 5015B THRU 5026B SECTION BOILERS EP CONTROL SYSTEM SECTION IV OPERATION continued...
Страница 68: ...68 Fig 58 PILOT LOCATIONS SECTION V SERVICE continued...
Страница 72: ...72 SERVICE RECORD DATE SERVICE PERFORMED...
Страница 74: ...74 Fig 64 BASE PARTS 5006B Thru 5014B SECTION VI REPAIR PARTS continued...
Страница 76: ...76 Fig 65 BASE PARTS 5015B thru 5026B SECTION VI REPAIR PARTS continued...
Страница 78: ...78 Fig 66 INTEGRAL CANOPY DRAFTHOODS SECTIONS SECTION VI REPAIR PARTS continued...
Страница 82: ...82 Fig 67 JACKETS SECTION VI REPAIR PARTS continued...
Страница 102: ...102 Control assembly and mounting bracket OP EP CONTROL SYSTEMS SECTION VI REPAIR PARTS continued...
Страница 111: ...111 SERVICE RECORD DATE SERVICE PERFORMED...
Страница 112: ...112...