Honeywell RA890F Protectorelay Primary Control Скачать руководство пользователя страница 12

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Home and Building Control

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

Содержание RA890F Protectorelay Primary Control

Страница 1: ... required during Off cycle no tube to warm up before starting Push to reset safety switch in dust resistant enclosure Built inprotectionagainstignitioncrossoverinflame rod systems Does not start if flame simulating failure occurs in flame detector circuit Automatic safety shutdown if flame fails on start or if flame not re established after flame failure Flame signal current is directly measurable...

Страница 2: ...r 1 0A at 120 Vac in suitable wiring enclosure Low Voltage Control Circuit T T 0 3A Ordering Information When purchasing replacement and modernization products from your TRADELINE wholesaler or your distributor refer to the TRADELINE catalog or price sheets for complete ordering number or specify 1 Order number standard or TRADELINE 2 Voltage and frequency 3 Flame response time 4 Safety switch tim...

Страница 3: ...TE All devices meeting UL components recognition have the following symbol Replacement exchange controls that meet current UL requirements are identified with the term REMFR D following the listing or component recognition mark Canadian Standards Association Certified 120V models only File No LR1620 Factory Mutual Approved Report No 17678 19417 and 19784 American Gas Association Design Certified f...

Страница 4: ...nt temperature is within the specified rating Mount the subbase so the top and bottom are horizontal and the back is vertical The subbase can lean backward as much as 45 degrees when necessary See Fig 1 Fig 1 Mounting subbase in in mm M8681 HORIZONTAL VERTICAL 2 7 8 73 0 4 1 8 104 8 KNOCKOUTS 9 FOR 1 2 IN 13 CONDUIT 45 DEGREES MAXIMUM LEAN WIRE SUBBASE 1 Disconnect power supply see Fig 2 before ma...

Страница 5: ... ALARM TERMINALS ARE ENERGIZED THROUGH RA890 SAFETY SWITCH ALARM WILL NOT SOUND UNTIL SAFETY SWITCH TRIPS OUT POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED FOR RA890E REPLACEMENT LEAVE POWER CONNECTED TO TERMINAL 1 SUBBASE WIRING CHANGES ARE NOT REQUIRED SOME AUTHORITIES HAVING JURISDICTION PROHIBIT THE WIRING OF ANY LIMIT OR OPERATING CONTACTS IN SERIES WITH THE MAIN F...

Страница 6: ...ON AS REQUIRED RA890F IS POWERED AT TERMINAL 6 ONLY WHEN REPLACING ANOTHER MODEL LEAVE HOT LINE L1 CONNECTED TO TERMINAL 1 EVEN THROUGH IT IS NOT NECESSARY FOR OPERATION MAY USE LINE OR LOW VOLTAGE CONTROLLER IF LINE VOLTAGE CONTROLLER IS USED CONNECT IT BETWEEN THE LIMIT CONTROLLER AND TERMINAL 6 JUMPER T T FOR INTERMITTENT IGNITION CONNECT TO TERMINAL 3 OPENING OF A LIMIT CONTROL OR LINE VOLTAGE...

Страница 7: ...SET PUSHBUTTON LOAD RELAY 1K Q270A SUBBASE M8766 FLAME RELAY 2K CAPTIVE MOUNTING SCREWS 10 ARC GAP PROTECTOR OPTIONAL ALARM CONTACT 3 PILOT LINK JUMPER WIRE 0N BASE ALONGSIDE TEST JACK TEST JACK PILOT LINK ARC GAP PROTECTOR M8767 Operation NORMAL OPERATION SUMMARY Normal control operation is summarized below Refer to Fig 5 for the internal schematic of the control 1 Call for heat Load relay pulls ...

Страница 8: ...m all checkout tests indicated below Flame Current Check all installations PilotTurndownTest allinstallationsthatrequireproofof pilot before main fuel valve is opened Safe Shutdown Checks Flame failure power failure limit action all installations Hot Refractory Hold In photocell applications only FLAME CURRENT CHECK The flame current check is the best indicator of proper flame detector application...

Страница 9: ... on the axis of a pilot flame or b Adjusting a flame rod detector so that a larger mini mum pilot is required CAUTION If the pilot needs to be adjusted and rechecked allow five minutes for the purge of unburned gases in the firebox before proceeding to the next step 10 Repeat the entire turndown test until the flame is established promptly in step 7 11 Turn up the pilot to full flame at the comple...

Страница 10: ...ners tested were found to leave deposits on the contact surfaces or to attack RA890 chassis parts Troubleshooting Whentroubleoccursintheheatingsystemanditscauseis not immediately apparent the service technician can apply the following step by step checkout to locate the cause of most problems Refer to Fig 3 and 4 for terminal locations and to Fig 6 for location of component parts CAUTION Use extre...

Страница 11: ... PROBLEMS Relay Chatter Load relay chatter can result from extreme low voltage notifypowercompany orfromalooseconnection tighten Flame relay chatter may result from improper combus tion adjust burner or soot or carbon on flame detector clean and correct the cause Difficulty Resetting Safety Switch 30 Second Safety Switch Models _ Ambienttemperaturemaybebelow 10 F 12 C Prob lem is corrected by warm...

Страница 12: ...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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