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13

65-0156—1

8. Put the back section of the mounting flange, rub-

ber washer, and asbestos-neoprene gasket into place on
the faceplate, and securely tighten the three mounting
screws.

NOTE: Make sure the red rubber washer between the

gray asbestos-neoprene gasket and the back section
of the mounting flange does not protrude over the
window aperture or otherwise obscure the detector
line of sight.

9. Clean both sides of the viewing window (or focus-

ing lens) with a clean cloth placed over the eraser end of
a pencil.

10. Reinstall the sensing tube.
11. Replace the detector cover and reinstall the detec-

tor on the sight pipe.

Fig. 14—Replacing quarts viewing window or
focusing lens on C7024E.

PENCIL

1

VIEWING WINDOW CAN BE REPLACED WITH EITHER SIDE TOWARD 
THE FLAME.

ONLY 1 GASKET ON EACH SIDE OF A FOCUSING LENS.

ON A C7024, REMOVE THE 3 MOUNTING SCREWS AND MOVE THE
COIL AND SHUTTER ASSEMBLY OUT OF THE WAY TO PUSH OUT THE
VIEWING WINDOW.

3

114372 (20 PSI) OR 122748 (50 PSI)
QUARTZ VIEWING WINDOW (OR 124204 
QUARTZ FOCUSING LENS, 20 PSI)

FACEPLATE

1

2

RED RUBBER WASHER 
(BETWEEN GASKET 
AND
FLANGE)

114465 RUBBER
MOUNTING 
GASKETS (3)

WINDOW
APERTURE

BACK SECTION OF
MOUNTING FLANGE

120739 GRAY ASBESTOS-NEOPRENE GASKET

MOUNTING
SCREWS (3)

2

3

M1961A

C7024F (See Fig. 15)

1. Open the master switch and remove the detector

from the sight pipe.

2. Unscrew the four hex-head bolts holding the seal-

off flange to the faceplate and remove the flange. To
avoid losing the bolts, put them in a safe place.

3. Unscrew the retaining ring (with its rubber O-ring

seal) from the seal-off flange.

4. Tip the flange and let the viewing window fall out

into your hand.

5. Insert either side of the new 122037 Quartz View-

ing Window into the window aperture.

6. Screw the retaining ring (with its O-ring seal) into

the seal-off flange and securely tighten.

7. Clean both sides of the viewing window with a

clean cloth placed over the eraser end of a pencil.

8. Put the seal-off flange back into place on the

faceplate and securely tighten the four hex-head bolts.

9. Reinstall the detector on the sight pipe.

Fig. 15—Replacing quartz viewing window on
C7024F.

SEAL-OFF FLANGE

HEX-HEAD BOLT (4)

WINDOW
APERTURE

122037 QUARTZ
VIEWING WINDOW (100 PSI)

RETAINING RING
SEAL (RUBBER O-RING)

RETAINING RING

FACEPLATE

BODY

M1960

C7024E,F

SERVICE

Содержание C7024E

Страница 1: ...ed lead wires allow rapid electrical installation Two flame detectors can be wired in parallel to reducenuisanceshutdownsindifficultflamesight ing applications A swivel mount is available to facilitate flame sighting Models are available with a 40 F 40 C rating Incorporates UV sensor tube checking feature used with Honeywell dynamic self check R7824C Flame Signal Amplifiers Oscillating shutter int...

Страница 2: ...TINGS 60 F to 175 F 51 C to 79 C HOUSING C7024E Violet cast aluminum cover mounting flange with heat block and faceplate are separate to pro vide heat insulation and sealoff Meets NEMA 4 enclosure requirements indoor outdoor protec tion rain tight dust tight hose directed water Optional water jacket available for the C7024E C7024F Explosion proof two piece violet cast aluminum PRESSURE RATING OF Q...

Страница 3: ...k the ratings given in the instructions and on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced flame safe guard service technician 4 After installation is complete check out product operation as provided in these instructions CAUTION Ultraviolet sensing tubes have a life expectancy of 40 000 hours of continuous use within ambi ent tem...

Страница 4: ... If the C7024 is subject to excessive vibration a spe cial antivibration mount part number 123539 can be used for the C7024E If you use this mount install it before positioning and sighting the detector CLEARANCE Make sure there is enough room to easily mount the sight pipe detector and all the required fittings and to remove the detector for troubleshooting and service RADIATION SOURCES Other tha...

Страница 5: ...ay resulting in burner shutdown The problem can be eliminated by diluting the con taminants A strong flow of air through the sight pipe will clear a viewing path through the attenuating mate rial Refer to Sight Pipe Ventilation section It is also desirable to sight the detector at an area containing fewer masking agents such as near the burner nozzle or near the entrance of the combustion air Incr...

Страница 6: ...7024 1 CLOSE NIPPLE 3 4 in FOR A C7024E 1 in FOR A C7024F TEMPORARY TACK WELD COMBUSTION CHAMBER WALL REDUCER BLACK IRON SIGHT PIPE 1 1 2 TO 3 in 38 TO 76 mm DIA REFRACTORY FLARED HOLE 1 IF VENTILATION OF THE SIGHTING PIPE IS REQUIRED ADD PIPE TEE PERFORATED NIPPLE OR OTHER SUITABLE DEVICE FOR VENTILATION M1958A SIGHT PIPE VENTILATION It may be necessary to ventilate the sight pipe to cool the det...

Страница 7: ... see Fig 8 1 The mounting flange is in two pieces Loosen but do not remove the three screws holding the flange together 2 Slightly rotate the detector so the slots in the back section of the mounting flange clear the screws in the front section then separate the two sections 3 Screw the front section of the mounting flange onto the sight pipe reducer or other fitting 4 Fit the slots in the back se...

Страница 8: ... for operation up to 600 volts and for breakdown up to 7500 volts For the other leadwire use moisture resistant no 14 wire selected for a temperature rating above the maximum operating temperature 7 Refer to Fig 10 for wiring connections Fig 10 Wiring diagram for C7024E F Detec tors with RM7824 Flame Safeguard controls with shutter drive circuitry IMPORTANT Do not run the flame detector wiring in ...

Страница 9: ...rner flame alone and both together unless monitoring only the pilot flame when using an intermittent pilot or only the main burner flame when using direct spark ignition With the detector in its final position all re quired flame signals must be steady or stable and as specified in Table 1 If you cannot obtain the proper signal refer to the Troubleshooting section PILOT TURNDOWN TEST If the detect...

Страница 10: ...u encounter other problems in the system refer to the Trouble shooting section in the instructions for the appropriate flame safeguard control NOTE For instructions for replacing the viewing win dow sensing tube and coil and shutter assembly see the Service section TROUBLESHOOTING PROCEDURES First perform the Preliminary Inspection then follow the applicable procedures for either a low reading or ...

Страница 11: ...roubleshooting section and use a clean cloth placed over the eraser end of a pencil You do not have to remove the window or lens to clean it If it is broken or damaged or if it is coated with a substance that cannot be cleaned replace it see Fig 14 2 Keep the flame detection system adjusted for the smoothest most reliable operation recommended by the burner manufacturer 3 Replace the sensing tube ...

Страница 12: ...section NOTE The C7024F Cover has a small hole that is keyed to a pin on the body flange REPLACING THE QUARTZ VIEWING WIN DOW Or Focusing Lens IMPORTANT A quartz window or lens must be used Ordinary glass absorbs or filters out ultraviolet radiation C7024E see Fig 14 1 Open the master switch remove the detector from the sight pipe and remove the cover from the detector 2 Remove the ultraviolet sen...

Страница 13: ...1 2 RED RUBBER WASHER BETWEEN GASKET AND FLANGE 114465 RUBBER MOUNTING GASKETS 3 WINDOW APERTURE BACK SECTION OF MOUNTING FLANGE 120739 GRAY ASBESTOS NEOPRENE GASKET MOUNTING SCREWS 3 2 3 M1961A C7024F See Fig 15 1 Open the master switch and remove the detector from the sight pipe 2 Unscrew the four hex head bolts holding the seal off flange to the faceplate and remove the flange To avoid losing t...

Страница 14: ...65 0156 1 14 ...

Страница 15: ...15 65 0156 1 ...

Страница 16: ...rol Home and Building Control Helping You Control Your World Honeywell Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley MN 55422 Scarborough Ontario M1P 2V9 Printed in U S A QUALITY IS KEY ...

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