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FIG. 61
PILOT FLAME
HONEYWELL Q179D PILOT W/THERMOCOUPLE
SECTION V – SERVICE (continued)
FIG. 62
PILOT FLAME
HONEYWELL Q179C PILOT
FIG. 63
PILOT FLAME
HONEYWELL Q327A PILOT W/THERMOCOUPLE
7.
LOW WATER CUT-OFF
–
a. Float Type Low Water Cut-off
During the heating season, if an external low water
cut-off is on the boiler, the blow off valve should
be opened once a month (use greater frequency
where conditions warrant), to flush out the sediment
chamber so the device will be free to function
properly.
Low-water fuel cut-offs and water feeders should
be dismantled annually by qualified personnel,
to the extent necessary to insure freedom from
obstructions and proper functioning of the
working parts. Inspect connecting lines to boiler
for accumulation of mud, scale, etc. and clean as
required. Examine all visible wiring for brittle or
warn insulation and make sure electrical contacts
are clean and that they function properly. Give
special attention to solder joints on bellows and float
when this type of control is used. Check float for
evidence of collapse and check mercury bulb (where
applicable) for mercury separation or discoloration.
Do not attempt to repair mechanisms in the field.
Complete replacement mechanisms, including
necessary gaskets and installation instructions, are
available from the manufacturer.
regulator 5.5” WC in pilot line so that a medium hard
center flame envelops flame rod, see Fig. 61. If flame
is yellow, primary air opening may be covered with dirt
or lint. This can be removed with a soft brush or by
vacuuming.
The EP Control Systems utilize a Honeywell Q179C
Flame Rectification Pilot. Adjust pilot line regulator
(5.5” WC in pilot line) so that a medium hard center
flame envelops flame rod, see Fig. 62. If flame is
yellow, primary air opening may be covered with dirt
or lint. This can be removed with a soft brush or by
vacuuming.
The Thermocouple Control System utilizes a
Honeywell Q327A non-primary aerated pilot with a
Q309A thermocouple. Adjust pilot line regulator to
give a steady flame enveloping 3/8” to 1/2” of the tip of
the thermocouple, see Fig. 63.
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...