Honeywell L4017 User's Manual
Contents
1. WIRING TA PLATE MOUNTING gt FAN DIFF HOLE ADJ DIAL 2601 FIG 9 L4017B WITH COVER REMOVED L4017A IS SIMILAR BUT DOES NOT INCLUDE THE MANUAL FAN SWITCH FAN SETTING FIXED DIFFERENTIAL Set the fan indicator to the desired fan off tempera ture The fan will come on 35 F 19 C above that setting CHECKOUT l Follow the furnace manufacturer s instructions for placing the furnace in operation If a manual re set Pilotstat control is used make sure that it is holding in 2 Set the thermostat and limit control to call for heat The main burner should light 3 To check the high limit control disconnect the fan motor and close all dampers Set thermostat to call for heat Main burner should light When plenum temperature reaches limit control setting main burner should shut off When checkout is complete connect fan motor and open all dampers 4 Make sure that the fan operates when the furnace temperature rises to the setting and shuts off when tem perature drops below set point and through the desired differential On fixed differential models the fan should operate when furnace temperature rises to setting plus differential and shut off when temperature drops to setting OVERHEATING FURNACE LIMIT SWITCH FREQUENTLY CUTS OUT 1 Make sure fan is operating by jumpering across the fan terminals If fan does not operate check the wiring 2 Make sure that fan setting is low enough so tha2. 3 Conduct a thorough checkout after the instal lation is complete LOCATION Locate the control on a solid area of the furnace casing or jacket or on the discharge plenum The stand off plate furnishes a heat barrier and a 1 4 inch 6 4 mm thick asbestos washer Part No 106638 is provided to slip over the capillary for air seal between the element clearance hole and the diaphragm power head see Fig 4 Since the ambient temperature rating is 190 F 88 C at the switches this heat barrier should be adequate for all normal applications Locate element where it will be exposed to rapid temperature changes in the furnace After the fan starts the element temperature should be affected as much as practicable by the changing temperature of the outlet air and receive only enough radiant heat to reduce element temperature lag The element should not touch any internal part of the furnace When pro vided use the furnace manufacturer s recommendations to determine the exact location Fig 3 BEND NEXT TO JOINT CAUSES RUPTURE FIG 2 PROPER POSITIONING OF ELEMENT Page NENT RECOGNIZED File No MP466 Guide No MBPR 2 CANADIAN STANDARDS ASSOCIATION CERTI FIED File No LR1620 Guide No 400 E 0 OPTIONAL SPECIFICATION L4017A Combination Fan and Limit Control with fan off scale Unit has fixed fan and limit differentials Fan on setting is fixed at 33 F 19 C above fan off setting With ca
3. reference label and special instruction sheet MODELS L4017A Combination Fan and Limit Control Unit has adjustable fan on and high limit set points with fixed limit and adjustable fan differentials With case and cover L4017B Combination Fan and Limit Control Unit has adjustable fan on and high limit set points with fixed limit and adjustable fan differentials with MANUAL AUTO fan switch With case and cover ELECTRICAL RATING amperes FAN 120V 240V 120V Full Load 14 7 8 Locked Rotor _84 42 48 0 25 amp at 0 25 to 12V de limit only Maximum connected load 2000 VA MAXIMUM AMBIENT TEMPERATURE 190 F 88 C at switches and 300 F 149 C at sensing element LIMIT DIFFERENTIAL Fixed at 25 F 14C SWITCH ACTION Fan switch makes at set point adjustable differential model and limit switch breaks at set point on temperature rise Fan switch breaks at set point on model with fixed differential on tempera ture fall 240V STANDARD MODELS v21 ttal 17 5 5 1 134 9 LOCATION OF 7 8 IN 22 2 MM DIRECT IN SERTION gt ELEMENT 106 4 476 EME 3 88 9 FIG 1 L4017A AND B DIMENSIONS IN INCHES MILLIMETERS IN BRACKETS AND LO CATION OF MOUNTING HOLES continued on page 3 WHEN PURCHASING REPLACEMENT AND MODERNIZATION PRODUCTS FROM YOUR TRADELINE WHOLESALER OR YOUR DISTRIBUTOR REFER TO THE TRADELINE CATALOG OR PRICE SHEETS FOR COMPLE
4. 2 w POWER SUPPLY A ADD DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED FAN MOTOR FIG 8 CONNECTIONS TO THE L4017 WITH LIMIT SWITCH IN LOW VOLTAGE CIRCUIT JUM PER REMOVED LIMIT SETTING To set the cutout point for the high limit switch move the high limit indicator Fig 9 to the desired set point Follow setting instructions furnished by the furnace manufacturer whenever possible The limit dif ferential is fixed at 25 F 14 C The switch breaks at the setting and remakes 25 F 14 C below the set point IMPORTANT The high limit setting is provided with a stop to limit the maximum temperature setting Do not force indicator above this point FAN SETTING ADJUSTABLE DIFFERENTIAL The fan differential is adjustable from 15 to 50 F 8 to 28 C The fan switch makes at the set point and breaks 15 to 50 F 8 to 28 C below the fan on setting depending on the position of the fan adjustment dial To change the setting move the fan on indicator Fig 9 to the desired temperature Set the fan dif ferential adjustment dial Fig 9 to the desired dif ferential For constant fan operation L4017B only set the MANUAL AUTO switch in the manual position CONDUIT SENSING KNOCKOUT 3 ELEMENT MOUNTING HOLE CAPILLARY an TUBING Mir ae p vwm HIGH LIMIT ba INDICATOR z INDICATOR a MANUAL HIGH LIMIT FAN SWITCH TERMINAL Id FAN TERMINAL SCREWS SCREWS JUMPER SEE STAND OFF
5. 4017 Adapter plate bag assembly Part No 21136E is available to fit mounting holes of similar controls Fig 6 3 4 106 9 16 2 17 91 FIG 6 ADAPTER PLATE AND DIMENSIONS IN INCHES MILLIMETERS IN BRACKETS WIRING CAUTION Disconnect power supply before connecting wiring to prevent electrical shock or equipment damage All wiring must comply with applicable local codes and ordinances Follow the system wiring diagrams furnished with the burner Figs 7 and 8 illustrate the connections to the L4017 For ease in wiring 2 conduit knockouts are furnished at the bottom and 1 at the top of the case CAUTION A jumper is provided between the fan and the limit terminals This jumper is used when both the fan and the limit switches are switching line voltage circuits When the high limit switch is used in the low voltage circuit remove this jumper NORMALLY CLOSED OPENS ON TEMP RISE NORMALLY OPEN CLOSES ON TEMP JUMPER RISE OR MANUALLY ON L4017B LINE VOLTAGE IN SERIES WITH PRIMARY CONTROL CIRCUIT L1 HOT t2 A vv FAN MOTOR POWER SUPPLY A ADD DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 2599A FIG 7 CONNECTIONS TO 14017 WITH LIMIT SWITCH IN LINE VOLTAGE CIRCUIT JUM PER IN PLACE NORMALLY CLOSED OPENS NORMALLY ON TEMP RISE OPEN CLOSES ON TEMP RISE OR MANUALLY ON L40178 LOW VOLTAGE IN SERIES WITH PRIMARY CONTROL CIRCUIT L1 HOT L
6. Honeywell THE L4017 COMBINATION FAN AND LIMIT CONTROL PROVIDES FAN AND HIGH LIMIT SWITCHING FOR ALL TYPES OF FORCED AIR HEATING SYSTEMS O The fan switch makes and the limit switch breaks on temperature rise O The control may be used in line voltage low voltage or millivolt systems O The sensing element is installed directly in the plenum duct O The liquid filled element operates indepen dently of changes in pressure O Electrical circuits are switched by reliable snap switches O Temperature settings are adjustable D Fast response sensing elements D The sensing element may be bent away from an obstruction if necessary O Models available with a manual fan switch H A 11 75 046 Residential Div Form Number COMBINATION FAN AND LIMIT CONTROLS LAOT AB 60 2259 TRADELINE MODELS Tradeline models are selected and packaged to provide ease of stocking ease of handling and maximum re placement value Tradeline model specifications are the same as those of standard models except as noted below TRADELINE MODELS AVAILABLE L4017B Combination Fan and Limit Control MANUAL AUTO fan switch 60 inch 1524 mm capillary sensing element Includes limit stop adjusting tool and element support bracket L4017B Combination Fan and Limit Control MANUAL AUTO fan switch and 10 inch 254 mm self supporting element Includes limit stop adjusting tool ADDITIONAL FEATURES Tradeline pack with cross
7. TE ORDERING NUMBER SPECIFY 1 MODEL NUMBER TRADELINE IF DESIRED 2 SELF SUPPORTING ELEMENT OR CAPILLARY 3 CAPILLARY LENGTH CAPILLARY MODELS ONLY IF YOU HAVE ADDITIONAL QUESTIONS NEED FURTHER INFORMATION OR WOULD LIKE TO COMMENT ON OUR PRODUCTS OR SERVICES PLEASE WRITE OR PHONE 4 OPTIONAL SPECIFICATION IF DESIRED 5 FAHRENHEIT OR CELSIUS SCALEPLATE AND RANGES IF DESIRED 6 ACCESSORY IF DESIRED 1 YOUR LOCAL HONEYWELL RESIDENTIAL DIVISION SALES OFFICE CHECK WHITE PAGES OF PHONE DIRECTORY 2 RESIDENTIAL DIVISION CUSTOMER SERVICE HONEYWELL INC 1885 DOUGLAS DRIVE NORTH MINNEAPOLIS MINNESOTA 55422 612 542 7500 IN CANADA HONEYWELL CONTROLS LIMITED 740 ELLESMERE ROAD SCARBOROUGH ONTARIO M1P 2V9 INTERNATIONAL SALES AND SERVICE OFFICES IN ALL PRINCIPAL CITIES OF THE WORLD LENGTH OF ELEMENT in inches millimeters Self supporting model 10 254 total length of element Capillary models 24 609 6 36 914 4 and 54 1371 6 flexible capillary length Add 6 152 4 inches for total length including sensing element SENSING ELEMENT Liquid filled ADJUSTMENT MEANS Indicators are inside cover MOUNTING MEANS Two holes in backplate DIMENSIONS See Fig 1 FINISH Gray UNDERWRITERS LABORATORIES INC COMPO CAUTION be a trained experienced l Installer must serviceman 2 Disconnect electricity before connecting wiring to prevent electrical shock or equipment damage
8. se and cover ACCESSORY Adapter plate bag assembly Part No 21136E to match mounting holes of competitive devices WRONG ELEMENT TOO FAR FROM HEAT SOURCE ELEMENT IN AIR FLOW AT AVERAGE DISCHARGE TEMPERATURE ELEMENT IN DEAD AIR ELEMENT TOUCHING HEAT EXCHANGER 2594 FIG 3 PROPER AND IMPROPER LOCATIONS FOR SENSING ELEMENT WHEN PROVIDED USE THE FURNACE MANUFACTURER S REC OMMENDATIONS TO DETERMINE THE EX ACT LOCATION ASBESTOS WASHER FIG 4 USE OF ASBESTOS WASHER FOR HEAT BARRIER MOUNTING 1 Make a 7 8 inch 22 2 mm diameter hole where the element is to be inserted 2 Loosen the cover screw and remove the cover from the L4017 3 Use the control as a template to mark the location of the 2 mounting holes see Fig 1 4 Punch or drill the holes for the mounting screws 60 2259 5 Insert the element into the element opening and slip the asbestos washer over the capillary Fig 4 With the 2 screws provided securely fasten the control to the furnace casing 6 Position the element as described in Location above bending as necessary Avoid sharp bends or repeated flexing with the self supporting model Fig 2 FLEXIBLE CAPILLARY MODEL The element must be firmly held in position by use of capillary support Part No 107324A or similar support Fig 5 SUPPORT ELEMENT WITH NO 107324A SUPPORT FIG 5 CAPILLARY SUPPORT REPLACEMENT OF SIMILAR DEVICE BY THE L
9. t the hot air is circulated from the furnace before the plenum temperature nears the high limit setting 3 If limit switch continues to cut out check for obstruction to airflow through furnace Inspect for clogged air filters and improperly adjusted dampers HONEYWELL MINNEAPOLIS MINN 55408 INTERNATIONAL Sales Offices in all principal cities of the world Manufacturing in Australia Canada Finland France Germany Japan Mexico Netherlands Spain Taiwan United Kingdom U S A PRINTED IN U S A
Download Pdf Manuals
Related Search