Paragon EL71 General Instructions Manual
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Paragon EL71 General Instructions Manual

Single channel & two channel electronic time controls
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EL71 - Single Channel & EL72 - Two Channel
Electronic Time Controls
General Instructions

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Summary of Contents for Paragon EL71

  • Page 1 EL71 - Single Channel & EL72 - Two Channel Electronic Time Controls General Instructions...

  • Page 2: Table Of Contents

    Table of Contents INTRODUCTION ....3 CONFIGURATION ....19 SPECIFICATIONS .

  • Page 3: Introduction

    Introduction The EL71 and EL72 are one- and two-channel electronic time controls that provide simple, inexpen- sive control of lighting, HVAC, motors, pumps, bell-ringing or any electrical load with a time-of-day schedule. The control may be utilized as a 24 hour, 7 day or full year (365 day) control.
  • Page 4 • 2 User Defined Inputs - Each input can be independently defined as one of two override types, an enable input or as one of four sensor types. • ON With Off Delay Override Input - Provides a retriggerable override input that is assignable to either or both outputs.
  • Page 5 • 32 Sensor Events - A sensor event will control a channel based on programmable on/off sensor levels. Each sensor event can be assigned to any day or combination of days, including the three holiday schedules. • Optional Daylight Savings Correction - Programmable as a day of the month (i.e. 1st Sunday in April / last Sunday in October) •...
  • Page 6 5 seconds, 15 seconds, 30 seconds, 1 minute, 5 minutes, 10 minutes, and 15 minutes • Momentary - The EL71 and EL72 each have two relays. Both controls can be configured for either maintained or momentary operation. The momentary option is intended for use with latching relays.

  • Page 7: Electrical

    1. Electrical: Power Requirements Model Description Voltage EL71/120 Single channel, metal case 120Vac, 50/60 Hz EL71/208-240 Single channel, metal case 208-240Vac, 50/60 Hz EL71/277 Single channel, metal case 277Vac, 50/60 Hz EL71PC/120 Single channel, plastic case 120Vac, 50/60 Hz EL71PC/208-240 Single channel, plastic case...
  • Page 8 2. Outputs - Two SPDT relays with contacts rated as follows: Normally Open Contacts: 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 Normally Closed Contacts: 10 amp resistive or inductive at 120-277 Vac...

  • Page 9: Environmental

    Environmental: 1. Temperature - Operating: -20˚ F (-29˚ C) to 140˚ F (60˚ C) 2. Relative Humidity - 10 to 90% RH (non-condensing) 3. The NEMA 1 (metal) enclosure models should be mounted indoors in an environment that is free from excessive contaminants such as oil, moisture and dirt.

  • Page 10: Functional Description

    FUNCTIONAL DESCRIPTION Control Layout RS232 Program Header Menu TIME CONF ASTR Master Reset EVNT INPT EVNT SENS Channel 1 (EL72) Channel 2 (EL72) On Relay (momentary) Off Relay (momentary)

  • Page 11: Input Connections

    Input Connections (backside of control) Input #2 Input #1 Sensor Connection: 1. red 2. yellow 3. black External Override: use 1 + 2 (Use manual switch or iso- lated contacts.) CAUTION: Do not apply voltage to sensor inputs. To do so will damage control.

  • Page 12: Keypad Description

    Keypad Description Master Reset - Clears time and program. Display will show “MEM CLR.” The reset switch is accessed by inserting a pointed object, such as a paper clip, into the reset hole to the right of the keypad. PROGRAM - This key allows the user to add, delete or change parameters (events, time, holidays, etc).
  • Page 13 When pressed from any menu header during review, the control will move to the next menu header. When pressed from a review step, the control returns to that menu header. - This key will return the control to the RUN mode. From all programming steps (excluding the override menu), the control will perform a status update and return to the RUN mode.

  • Page 14: Hierarchy Of Control

    PREVIOUS/NEXT - Moves the display selection to the previous or next program step. While in a programming step, the current item (to be modified) will be flashing. - These keys will change (increment or decrement) the current (flashing) item. The +/- keys will not work during review, except to allow a faster step through events, inputs and holidays.
  • Page 15 NOTES: 1. A keyboard override cannot be performed during stagger up. 2. An external override can be done during stagger up, but the stagger up sequence is still observed. 3. Status update will cancel a keyboard override or an external toggle override, but will not cancel an external timed override.

  • Page 16: Programming

    Programming Programming Overview: After pressing the PROGRAM key, the EL71 and EL72 will continue to control the outputs based on the events that were operating at the time the PROGRAM key was pressed. The control will not check for new events until it has gone through a status update.

  • Page 17: Memory Clear

    From the HOL header, the control will loop around to the TIME header. The OVER (override) mode is only accessible from the RUN mode. The following is a detailed explanation of each mode. In all modes use the NEXT key to advance to the next item to be programmed or reviewed and the PREVIOUS key to go back to the previous item.

  • Page 18: Set Time

    Set Time Set Time header. This mode is used for setting time, date and daylight saving time. Use the NEXT key to begin programming. Program hours, minutes, seconds and day of week using the +/- key. The PM indicator is used in the 12 hour format.

  • Page 19: Configuration

    Configuration Configuration header. This mode is used for changing the clock format, selecting stagger up, setting the 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.
  • Page 20 Programs the duty cycle 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 cycle event will always start with the OFF cycle.

  • Page 21: Astro

    Astro Astro header. The Astro function provides a means for controlling lights based on the changing sunrise and sunset times throughout the year without use of a photocontrol. The Astro feature does not turn loads on or off. Between sunrise and sunset the load(s) are not allowed to be on.
  • Page 22 U.S. LATITUDE CHART...
  • Page 24 World Latitude Chart...

  • Page 25: Events

    Events Events header. Up to 128 events can be programmed. Events can be an ON, an OFF, dUR1(duration), dUR2, dUR3, dUR4, CYC1 (duty cycle), CYC2, CYC3 or CYC4. An event can be assigned to either channel. Each event can be assigned to any day or combination of days including the 3 holiday schedules (A, B and C).

  • Page 26: Input Configuration

    Input Configuration Input header. Each input can be individually configured as a retriggerable override, a tog- gle override, an enabler or as one of four sensor types. Use the NEXT key to begin pro- gramming. Choose the desired input type. NONE: not used On\d: On with off delay override OVr: Toggle override...
  • Page 27 This screen is used for setting the on time when the input is configured as an OVr (toggle) override type. The on time is programmable from 0 seconds to 23 hours, 59 minutes and 59 seconds. When this on time is set to 0:00.00, the override functions as a toggle on/tog- gle off override.

  • Page 28: Sensor Events

    Sensor Events Sensor Events header. Up to 32 sensor events can be programmed. A sensor event can be assigned to either channel. Each sensor event can be assigned to any day or combi- nation of days including the 3 holiday schedules (A, B and C). Use the NEXT key to begin programming.

  • Page 29: Holiday

    Holiday Holiday header. The four holiday types with their priorities are as follows: SPEC (special) - highest priority DATE (month/date) - 2nd highest priority D/WK (day of week) - 3rd highest priority SPAN (duration) - lowest priority To demonstrate the use of priorities assume that Thanksgiving Break (SPEC) is pro- grammed as a holiday schedule B.
  • Page 30 Special Holiday type. Each of the 6 special holidays can either be assigned as one 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.
  • Page 31 Holiday Date type. Up to 10 date type holidays can be programmed. 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 holiday (date) or press the +/- keys to move to other holiday (date) number(s).

  • Page 32: Override

    This screen shows the status of both channels (one channel for the EL71) on the bottom line of the display. If the channel number is flashing, the channel is currently overridden. If it is flashing mostly on, the channel is overridden on.

  • Page 33: Run

    The RUN mode is the normal operating mode. In the RUN mode the current time and day are shown. If today is a holiday, the active holiday schedule is also shown. Channel status is shown on the bottom line. The channel number is shown if that channel is on. If the channel number is flashing, that channel is currently overridden.

  • Page 34: Accessories

    Specifications: Operating temperature: -40 F to 140 F (-40 C to 60 C), Resolution: 1.5F (1C) Light Sensor Model LS-R is a solid-state light sensor designed to interface directly with the EL71 and EL72. It provides a relative light level to the control (0-100 L).

  • Page 35: Computer Software

    The Pecosoft.EL software program provides a quick and easy method of programming and review- ing the EL71/EL72 from a personal computer. Programs can be written and stored on the PC and then loaded into the time control. Programs can also be copied from the time control into the PC to allow easy review and verification.

  • Page 36: Application Examples

    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 con- ditioner will be off.
  • Page 37 Programming: STEP KEY DESCRIPTION RESET Clears control’s memory. Control is finished initializing when # stops flashing (about 6 seconds). NEXT Display shows MAINtAin (maintained relay operation). PROGRAM Display shows TIME header. NEXT,+,- Use these keys to set time, date and daylight savings time information. PROGRAM Press PROGRAM key to step through headers until EVNT (event header) is reached.
  • Page 38 STEP KEY DESCRIPTION PROGRAM Advance to INPT (configure inputs) header. NEXT 1st input is shown with input # flashing. NEXT Input type is flashing. Select F (Fahrenheit). NEXT CAL (calibration) offset is shown. Calibrate sensor if necessary. PROGRAM Advance to EVNT SENS (sensor event) header. NEXT First sensor event is shown with event # flashing.
  • Page 39 STEP KEY DESCRIPTION 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 resolution is 1.5 F, not all values of F will be possible. NEXT Sensor event # 02 is shown.
  • Page 40 Example No. 2 Objective: To control lighting circuits 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.
  • Page 41 Programming: STEP KEY DESCRIPTION RESET Clears control’s memory. Control is finished initializing when # stops flashing (about 6 seconds). NEXT Display shows MAINtAin (maintained relay operation). Toggle to MOMENTARY (momentary relay operation). PROGRAM Display shows TIME header. NEXT,+,- Use these keys to set time, date and daylight savings time information. PROGRAM Press PROGRAM key to step through headers until ASTR (astro header) is reached.
  • Page 42 STEP KEY DESCRIPTION Change NO to YES to assign astro to channel 1. PROGRAM Press PROGRAM key to step through headers until EVNT (event header) is reached. NEXT First event is shown with event # flashing. NEXT Event type is flashing. Select ON event type.
  • Page 43 Example No. 3 Operation of Enabler Input...
  • Page 44 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 programmed state is off.
  • Page 45 Example No. 5 Operation of OVr (toggle) override input Assume that the channel is currently under 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.
  • Page 46 Case 2: programmed ON time = 1 hour NOTES: 1. OVr ON cancels after 1 hour, unless OVr input is closed again which will force an over- ride OFF. 2. OVr OFF can be canceled from the keyboard override mode. 3.
  • Page 47 Note: This device complies with Part 15 of the FCC Rules. Operation is subject to the following con- ditions: (1) this device may not cause harmful interference, 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-Causing Equipment Regulations.

  • Page 48: Programming Worksheets

    Programming Worksheets Configuration Relay Operation: maintained / momentary Clock Format: 12 hr / 24 hr Stagger up: No/5 second/15 second/30 second/1 minute/5 minute/10 minute/15 minute Duration 1: ___:___.___ (hours:minutes.seconds) Duration 2: ___:___.___ (hours:minutes.seconds) Duration 3: ___:___.___ (hours:minutes.seconds) Duration 4: ___:___.___ (hours:minutes.seconds) Duty Cycle OFF 1: ___:___.___ (hours:minutes.seconds) Duty Cycle ON 1: ___:___.___ (hours:minutes.seconds) Duty Cycle OFF 2: ___:___.___ (hours:minutes.seconds)
  • Page 49 Daylight Savings Time: 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 Assignment: yes / no...
  • Page 50 Events Event Type Channels Time Day(s) ___:___ 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 HA HB HC ___:___ am/pm...
  • Page 51 Events Event Type Channels Time Day(s) ___:___ 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 HA HB HC ___:___ am/pm...
  • Page 52 Input Configuration Input # 1 (choose one of the following): NONE On\d OFFd = __:__.__ (hr:min.sec) chan 1 = yes/no chan 2 = yes/no ONt = __:__.__ (hr:min.sec) chan 1 = yes/no chan 2 = yes/no chan 1 = yes/no chan 2 = yes/no calibration = ___ calibration = ___...
  • Page 53 Input # 2 (choose one of the following): NONE On\d OFFd = __:__.__ (hr:min.sec) chan 1 = yes/no chan 2 = yes/no ONt = __:__.__ (hr:min.sec) chan 1 = yes/no chan 2 = yes/no chan 1 = yes/no chan 2 = yes/no calibration = ___ calibration = ___ calibration = ___...
  • Page 54 Sensor Events Setpoints Sens. # Channels Time Day(s) ___:___ 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 HA HB HC ___:___ am/pm...
  • Page 55 Sensor Events Setpoints Sens. # Channels Time Day(s) ___:___ 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 HA HB HC ___:___ am/pm...
  • Page 56 Holidays (special) Good Friday: HOL 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 Day:...
  • Page 57 Holidays (date) Holiday Schedule Month Date HOLIDAY A, B, C or NONE...
  • Page 58 Holidays (Day of week) Week Holiday Schedule 1st, 2nd, 3rd, 4th or last Date Month HOLIDAY A, B, C or NONE...
  • Page 59 Holidays (duration) Begin Holiday Schedule Month Date Month Date HOLIDAY A, B, C or NONE...
  • Page 60 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 Paragon, opened or taken apart, or which have not been proper- ly installed or have been used other than in accordance with Paragon’s instructions.

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El72

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