Paragon EL74 General Instructions Manual Download | Manualshive

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Application Examples

Example No. 1:

Objective: To control an air conditioner to
operate at 73˚ F from 8:00 AM to 12:00 PM
and to operate at 77˚ F from 12:00 PM to
5:00 PM on Monday through Friday. On
nights and weekends the air conditioner will
be off. The air conditioner will also be off
from October 1st to April 30th. Temperature
setpoints are to have a +/- 1˚F deadband.

Wiring Diagram:

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Summary of Contents for EL74

Page 1: ...EL74 Four Channel Electronic Time Controls General Instructions 110 708B http waterheatertimer org Paragon timers and manuals html EL...

Page 2: ...9 SENSOR EVENT 28 PHYSICAL 9 HOLIDAY 29 FUNCTIONAL DESCRIPTION 10 OVERRIDE 34 CONTROL LAYOUT 10 RUN 35 INPUT CONNECTIONS 11 ACCESSORIES 36 KEYPAD DESCRIPTION 12 TEMPERATURE SENSOR 36 HIERARCHY OF CONT...

Page 3: ...a member of the EL series of time controls that also includes the EL71 EL72 EL78 and EL712 1 2 8 and 12 channel respectively All are versatile yet easy to program A simple keypad combined with a larg...

Page 4: ...le type override input that is assignable to any combination of outputs Closing the input causes the affected output s to be toggled to the opposite state and remain in that state until the occurrence...

Page 5: ...ons Programmable from 1 to 366 days e g June 9th to August 27th 6 Specific Holidays Each holiday can be optionally selected Good Friday Easter Sunday Easter Monday Boxing Day Victoria Day Thanksgiving...

Page 6: ...conds 30 seconds 1 minute 5 minutes 10 minutes and 15 minutes Momentary The EL74 will normally be configured as maintained The momentary option is intended for use with latching relays An EL74 configu...

Page 7: ...acts 20 amp resistive or inductive at 120 277 Vac 1 HP at 120 Vac 2 HP at 208 277 Vac 5 amp tungsten at 120 240 Vac 20 amp ballast at 120 Vac 10 amp ballast at 208 277 Vac 470 VA at 120 240 Vac Normal...

Page 8: ...an accommodate 18 22 AWG 4 Power Outage Carryover The program and time of day are maintained during a power outage for a minimum of two days by means of a capacitor After two days a lithium battery ta...

Page 9: ...n condensing 3 The EL74 should be mounted indoors in an environment that is free from excessive conta minants such as oil moisture and dirt Physical Enclosure Dimensions Enclosure NEMA 1 drawn steel w...

Page 10: ...RS232 Master Reset Program Header Menu TIME CONF ASTR EVNT INPT EVNT SENS HOL FUNCTIONAL DESCRIPTION Front Panel Layout 10...

Page 11: ...ply voltage to sensor inputs To do so will damage control NOTE It is highly recommended that shield ed cable be used for sensor and override input wiring The shield should be tied to earth ground at t...

Page 12: ...header When pressed from a menu header the control will advance to the next menu header When pressed from a programming step the control returns to that menu header When pressed during review the con...

Page 13: ...ontrol will go straight to the RUN mode without updating If the REVIEW key was pressed while in a programming step the control will perform a status update and return to the RUN mode When in the overr...

Page 14: ...urrent flashing item The keys will not work during review except to allow a faster step through of events inputs and holidays Hierarchy of Control Priority Level 1 Stagger Up Priority Level 2 Timed Ex...

Page 15: ...t recent event is the one that is active As an example of hierarchy consider a simple lighting control application It is desired to turn parking lot lights on at sunset and off at 11 00 PM Programming...

Page 16: ...in the programming mode During operation the control will be in the RUN mode When programming or reviewing the order of the program headers and steps is as follows TIME set time date Daylight Savings...

Page 17: ...mode This mode is only accessible once Toggle between MAINtAin maintained or MOMNtARY momen tary operation using the key When configured for momentary relays 1 and 3 will provide the ON pulses and re...

Page 18: ...indicator is used in the 12 hour format AM begins with midnight and PM begins with noon NOTE Only the PM indicator will appear in the 12 hr format Program month date and year To disable Daylight Savin...

Page 19: ...lengths of the 4 durations and for programming the on off times of the 4 duty cycle patterns Use the NEXT key to begin programming Select 12 hour or 24 hour clock format using the key Select the stagg...

Page 20: ...ycle off time for CYC1 CYC4 which are event types see Events The off cycle is programmable from 1 second to 23 hours 59 minutes and 59 seconds The control will not allow an off cycle of 0 00 00 A duty...

Page 21: ...ll automatically update the sunrise time each day Offset Feature program today s sunrise time with the desired offset figured in The control will automatically update the desired offset time each day...

Page 22: ...U S LATITUDE CHART 22...

Page 23: ...23...

Page 24: ...24 World Latitude Chart...

Page 25: ...be assigned to any day or combina tion of days including the 3 holiday schedules A B and C Use the NEXT key to begin programming The keys will quickly step through the events when the event is flashi...

Page 26: ...se the desired input type NONE not used On d On with off delay override OVr Toggle override ENb Enabler input F Fahrenheit temperature sensor C Celsius temperature sensor L Light level sensor U User d...

Page 27: ...ggle on toggle off override When a non zero value is programmed the override functions as a timed on toggle off override This screen is used for assigning channels to the inputs This applies only to t...

Page 28: ...gin programming The keys will quickly step through the sensor events when the event is flashing Select the sensor number select the channel and program the hours and minutes while each of these parame...

Page 29: ...as a holiday schedule B Also assume that Nov 1st to Nov 30th SPAN is programmed as a holiday schedule A Then on Thanksgiving Day and the Friday after the control will execute the events that include H...

Page 30: ...e of the 3 holiday schedules A B or C or not selected Press the NEXT key to program the special holidays starting with Good Friday or press the keys to move to a different holiday type e g Date Good F...

Page 31: ...e keys to move to a different holiday type e g day of week NONE indicates that this holiday date number 1 10 is not used no holiday schedule has been selected Press the NEXT key to program this holida...

Page 32: ...y type e g SPAN NONE indicates that this holiday day of week number 1 10 is not used no holiday schedule has been selected Press the NEXT key to program this holiday day of week or press the keys to m...

Page 33: ...XT key to program the span type holidays or press the keys to move to a different holiday type e g SPEC NONE indicates that this holiday span number 1 10 is not used no holiday schedule has been selec...

Page 34: ...nnel is overrid den on If it is flashing mostly off the channel is overridden off The channel currently pointed to will be flashing in the upper right hand corner of the display The current event for...

Page 35: ...channel is overridden on If it is flashing mostly off the channel is overridden off The input is also shown along with the status of that input The following is a list of the possible input status me...

Page 36: ...urn to the automatic sequencing of inputs press the NEXT key again Accessories each sold separately Temperature Sensor Model TS3 OAT is a sealed outdoor solid state temperature sensor designed to inte...

Page 37: ...ware The Pecosoft EL software program provides a quick and easy method of programming and reviewing the EL74 from a personal computer Programs can be written and stored on the PC and then loaded into...

Page 38: ...F from 8 00 AM to 12 00 PM and to operate at 77 F from 12 00 PM to 5 00 PM on Monday through Friday On nights and weekends the air conditioner will be off The air conditioner will also be off from Oc...

Page 39: ...t time date and Daylight Savings Time information 5 PROGRAM Press PROGRAM key to step through headers until EVNT event header is reached 6 NEXT First event is shown with event flashing 7 NEXT Event ty...

Page 40: ...nput flashing 18 NEXT Input type is flashing 19 Select F Fahrenheit 20 NEXT CAL calibration offset is shown 21 Calibrate sensor if necessary 22 PROGRAM Advance to EVNT SENS sensor event header 23 NEXT...

Page 41: ...flashing 32 Roll to 074F 33 NEXT OFF is displayed with off setpoint flashing Default value of 072F is what we want If another value is desired use the keys to roll to that value NOTE Because the resol...

Page 42: ...ber 41 NEXT Holiday start date is flashing 01 is the desired date 42 NEXT Holiday end month is flashing 43 Roll to APR April 44 NEXT Holiday end date is flashing 45 Roll to 30 46 NEXT HOLIDAY holiday...

Page 43: ...its using latching relays The lights are to turn on at sunset and turn off at 11 00 PM The lights are also to turn on at 4 00 AM and turn off at sunrise This is to occur seven days a week This example...

Page 44: ...4 PROGRAM Display shows TIME header 5 NEXT Use these keys to set time date and Daylight Savings Time information 6 PROGRAM Press PROGRAM key to step through headers until ASTR astro header is reached...

Page 45: ...17 NEXT Displays CHAN 1 NO 18 Change NO to YES to assign astro to Channel 1 19 PROGRAM Press PROGRAM key to step through headers until EVNT event header is reached 20 NEXT First event is shown with e...

Page 46: ...ssign this ON event to Sunday 28 NEXT Assign this ON event to MON SAT 29 NEXT Second event is shown with event flashing Program this second event as an OFF at 11 00 PM for SUN SAT 30 RUN Programming i...

Page 47: ...Example No 3 Operation of Enabler Input 47...

Page 48: ...Example No 4 Operation of On d On with off delay override input Assume that off delay time is programmed for 1 hour Also assume that the channel s pro grammed state is off 48...

Page 49: ...der control of a duty cycle event Case 1 no programmed ON time ONt 0 00 00 NOTES 1 OVr can be canceled from the keyboard override mode 2 Toggle override will end when the next programmed event is reac...

Page 50: ...OVr ON cancels after 1 hour unless OVr input is closed again which will force an override OFF 2 OVr OFF can be canceled from the keyboard override mode 3 OVr input is active with the closing of the i...

Page 51: ...ce and 2 this device must accept any interference received including interference that may cause undesired operation This Class B digital apparatus meets all requirements of the Canadian Interference...

Page 52: ...tes seconds Duration 3 ___ ___ ___ hours minutes seconds Duration 4 ___ ___ ___ hours minutes seconds Duty Cycle OFF 1 ___ ___ ___ hours minutes seconds Duty Cycle ON 1 ___ ___ ___ hours minutes secon...

Page 53: ...ime yes no if yes Spring start DST ____ ____ in ____ i e 1st SUN in APR Fall end DST ____ ____ in ____ i e last SUN in OCT Astro Latitude ___ north south Channel 1 Assignment yes no Channel 2 Assignme...

Page 54: ...m SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR SA H...

Page 55: ...m pm SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR SA HA HB HC ___ ___ am pm SU MO TU WE TH FR S...

Page 56: ...min sec chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no OVr ONt __ __ __ hr min sec chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no ENb chan 1 yes no chan 2 yes no chan 3 yes no chan 4...

Page 57: ...an 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no OVr ONt __ __ __ hr min sec chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no ENb chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no F...

Page 58: ...an 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no OVr ONt __ __ __ hr min sec chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no ENb chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no F...

Page 59: ...an 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no OVr ONt __ __ __ hr min sec chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no ENb chan 1 yes no chan 2 yes no chan 3 yes no chan 4 yes no F...

Page 60: ..._ am pm SU MO TU WE TH FR SA HA HB HC 07 ___ ___ am pm SU MO TU WE TH FR SA HA HB HC 08 ___ ___ am pm SU MO TU WE TH FR SA HA HB HC 09 ___ ___ am pm SU MO TU WE TH FR SA HA HB HC 10 ___ ___ am pm SU M...

Page 61: ..._ am pm SU MO TU WE TH FR SA HA HB HC 23 ___ ___ am pm SU MO TU WE TH FR SA HA HB HC 24 ___ ___ am pm SU MO TU WE TH FR SA HA HB HC 25 ___ ___ am pm SU MO TU WE TH FR SA HA HB HC 26 ___ ___ am pm SU M...

Page 62: ...A HOL B HOL C not used Easter Sunday HOL A HOL B HOL C not used Easter Monday HOL A HOL B HOL C not used Thanksgiving Thu Fri HOL A HOL B HOL C not used Boxing Day HOL A HOL B HOL C not used Victoria...

Page 63: ...Holidays date Holiday Schedule Month Date HOLIDAY A B C or NONE 1 2 3 4 5 6 7 8 9 10 63...

Page 64: ...Holidays Day of week Week Holiday Schedule 1st 2nd 3rd 4th or last Date Month HOLIDAY A B C or NONE 1 2 3 4 5 6 7 8 9 10 64...

Page 65: ...Holidays duration Begin End Holiday Schedule Month Date Month Date HOLIDAY A B C or NONE 1 2 3 4 5 6 7 8 9 10 65...

Page 66: ...NOTES 66...

Page 67: ...NOTES 67...

Page 68: ...s defective This warranty does not apply to damage caused by misuse neglect accident or mishandling or to products which have been subject to repair by anyone other than Maple Chase Company opened or...

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