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WIRING - EC72D

1. Loosen terminal cover screw (see Figure 7) and set terminal cover

aside. The screw is captive to the control. Wiring access for power
input and relay output is provided at bottom of terminal block.
Terminals can accommodate 12 to 24 AWG wire.

2. Wire 12 Vdc or 24, 120 or 240 Vac to terminals 1 and 2. See Figure

7 at right. Determine voltage according to the model selected.

3. Connect output wiring as required for the particular application.

See pages 34-44 for wiring diagrams.

4. Cut out terminal cover for wiring. Cutting guides are molded in the

inside bottom of the cover.

5. Replace terminal cover and tighten terminal screw.

6. Make sure that all wiring is in accordance with national and local

electrical codes.

16

CAUTION: Damage will occur to unit if incorrect voltage
is applied. Application of incorrect input voltage will void
warranty. See product label to make sure you are apply-
ing the correct voltage.

Summary of Contents for EC72 Series

Page 1: ...EC72 EC72D GENERAL INSTRUCTIONS http waterheatertimer org Paragon timers and manuals html EC Replacement timer http waterheatertimer org Intermatic ET series timers and manuals html ET1700...

Page 2: ...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 taken apart...

Page 3: ...WIRING 11 EC72D INSTALLATION BATTERY and WIRING 14 FRONT PANEL DESCRIPTION 19 GENERAL PROGRAMMING INSTRUCTIONS 20 MOMENTARY OPTION 22 PROGRAMMING TIME DAY and DATE 24 PROGRAMMING EVENTS 26 OVERRIDE 29...

Page 4: ...4...

Page 5: ...s ideal control for indoor and outdoor lighting heating ventilation and air conditioning and motors pumps and fans in convenience and retail stores commercial buildings industrial facil ities schools...

Page 6: ...2 events per week per channel Holiday Programming twelve single day holidays and two holiday durations are programmable by date Daylight Saving Time can be programmed for automatic changeover in the s...

Page 7: ...c 50 60 4 EC72D 240 200 240 Vac 50 60 4 Output Two SPDT relays with contacts rated as follows VOLTAGE RESISTIVE INDUCTIVE H P PILOT DUTY 12 Vdc 1A 15 a 24 Vac 15 A 15 A 1 10 60 VA 120 Vac 15 A 15 A 1...

Page 8: ...ronment that is free from excessive contaminants such as oil moisture and dirt or in an appropriate outdoor panel For outdoor use an EC72D can be mounted in a NEMA 3 enclosure 4010EC X9092 which must...

Page 9: ...Figure 1 EC72 Series Dimensions 9 EC72 EC72D...

Page 10: ...Figure 2 EC72 Installation 10 Spring Clip...

Page 11: ...esired knockouts to provide wiring access 3 Mount case in a vertical position using the mounting holes provid ed 4 Replace control by inserting tabs on left side of front panel into slots on left side...

Page 12: ...ion that holds it Swivel battery cover up and out of the way Snap bat tery into battery clip Mark date on battery log Replace battery cover Figure 3 EC72 Battery Cover Removal Replacement Alkaline app...

Page 13: ...1 and 2 See Figure 4 below Determine voltage according to the model selected 3 Connect output wiring as required for the particular application See wiring diagrams on pages 34 44 4 Make sure that all...

Page 14: ...ace flush side to panel or wall Utilize the mounting holes on the back mounting plate Screws are not provided 3 Pull down on spring loaded catch and snap control onto back mounting plate Figure 5 EC72...

Page 15: ...pulling left or right See Figure 6 below Snap battery into battery clip Mark date on battery log Replace bat tery cover Figure 6 EC72D Battery Cover Removal Replacement Alkaline approximately every 2...

Page 16: ...g to the model selected 3 Connect output wiring as required for the particular application See pages 34 44 for wiring diagrams 4 Cut out terminal cover for wiring Cutting guides are molded in the insi...

Page 17: ...tate controls utilize DRY CON TACTS Input power enables the control to keep time store pro grammed information and carry out instructions but input power does not power the loads In order to make the...

Page 18: ...Figure 8 EC72 Series Keypad and Screen 18...

Page 19: ...ay of week or day being programmed or reviewed Sunday 1 Monday 2 Tuesday 3 Wednesday 4 Thursday 5 Friday 6 Saturday 7 Holiday 8 Daily 0 Channel Indicators bar s appear when channel s C1 C2 are energiz...

Page 20: ...Up to 16 ON OFF events can be programmed for each chan nel a maximum of 8 ONs and 8 OFFs for Channel 1 and 8 ONs and 8 OFFs for Channel 2 If one ON and one OFF is assigned to each day of the week at...

Page 21: ...e once a week events e g 6 00 PM ON Wednesday only At least one ON and one OFF should be reserved for Holiday Programming See below Repeat Programming creates a maximum capacity of 112 events per week...

Page 22: ...e ON events of two second duration 2 When Manual Override is used on either channel the relay for that channel will be energized for two seconds 3 Channel indicator bars are not displayed when relays...

Page 23: ...ntrol according to directions on page 17 2 The jumper wire J29 is located on the back side of the control in the upper left hand corner of the board See Figure 10 below Clip J29 Figure 10 EC72D Jumper...

Page 24: ...and two for date e g 0101 January 1 6 E Enters month and date 84 is displayed indicating 1984 7 Enter current year Two keys must be pressed e g 88 8 E Enters year Control switches automatically to run...

Page 25: ...ng the entire minute that the event was scheduled to occur Press C1 or C2 to initiate override if the status of either circuit is incorrect This applies to programming as well as reviewing To Change T...

Page 26: ...7 Saturday 8 Holiday 0 Daily If no events are desired on a particular day for instance on Day 8 the Holiday Program key in 0000 for the time and in Step 4 below select ON or OFF for the entire day 4...

Page 27: ...ON OFF S M T W T F S 6 ON OFF S M T W T F S 6 ON OFF S M T W T F S 7 ON OFF S M T W T F S 7 ON OFF S M T W T F S 8 ON OFF S M T W T F S 8 ON OFF S M T W T F S 9 ON OFF S M T W T F S 9 ON OFF S M T W...

Page 28: ...w all 16 events for one chan nel followed by all 16 events for the other channel 4 CLR Press if any displayed time and or day must be changed 5 Enter correct time and day 6 RUN Restores normal operati...

Page 29: ...for each weekday but you wish to skip both Saturday and Sunday Program the ON and OFF as daily events and then program a 0000 event for each Saturday and Sunday See Step 3 on page 26 This process howe...

Page 30: ...ting begin date for first holiday duration 5 Enter month then date that holiday duration will begin 6 E H 14 displayed indicating end date for first holiday duration 7 Enter month then date that holid...

Page 31: ...days that will follow the holiday schedule HOLIDAYS NO DATE DESCRIPTION H 01 H 02 H 03 H 04 H 05 H 06 H 07 H 08 H 09 H 10 H 11 H 12 H 13 Duration 1 begins H 14 Duration 1 ends H 15 Duration 2 begins...

Page 32: ...ny date is incor rect The title of the cleared holiday H 01 H 16 or Daylight Savings Time date Spr or FaLL will be dis played 4 Enter correct month and date 5 E Enters new date into memory and advance...

Page 33: ...om its case EC72 See directions on page 11 EC72D The plug in case of the DIN model allows removal of the control without disturbing the wiring See pages 16 17 for terminal cover removal then pull the...

Page 34: ...pen hours Relay contacts 3 and 4 open to turn indoor lights OFF during business closed hours Channel 2 Relay contact 6 and 7 close to turn parking lot lights ON Relay contacts 6 and 7 open to turn par...

Page 35: ...Figure 13 EC72D Wiring Diagram for Indoor and Outdoor Lighting 35...

Page 36: ...ol from night thermostat to day thermostat At or near end of occupancy timer transfers control of HVAC system from day thermostat to night thermostat Channel 2 Relay contacts 6 and 7 close opening dam...

Page 37: ...Figure 15 EC72D Wiring Diagram for Nighttime Setback and Damper Control 37...

Page 38: ...school bells To eliminate Saturday and Sunday from daily schedule program one event for each channel on each of those days The bells will ring once on Saturday and once on Sunday at the programmed ti...

Page 39: ...Figure 16 EC72 School Bell Wiring Diagram Figure 17 EC72D School Bell Wiring Diagram 39...

Page 40: ...ri ate jumper wire See pages 22 23 Sequence of Operation Relay contacts 6 and 7 close for two seconds to turn lights ON Relay contacts 3 and 4 close for two seconds to turn lights OFF Note that wiring...

Page 41: ...Figure 19 EC72D Latching Relay Wiring Diagram 41...

Page 42: ...ry control and still obtain a day without any events follow these steps 1 Wire the control as shown below 2 Program an event on both channels at the same time on the day that should have no events Bot...

Page 43: ...Figure 21 EC72D School Bell Alternate Wiring Diagram 43...

Page 44: ...Figure 22 EC72 Latching Relay Alternate Wiring Diagram Figure 23 EC72D Latching Relay Alternate Wiring Diagram 44...

Page 45: ...led Ensure proper connections of wiring If programming was performed changing clock time or entering a setpoint the control will not update itself Press either C1 or C2 to override the load until the...

Page 46: ...ped onto the rail the control can be removed when necessary Dry Contact a contact that operates as a simple switch voltage must be supplied to the contact in order to power the load Event a change in...

Page 47: ...ime 30 Dimensions 8 9 Daily Events 20 26 29 DIN rail 8 14 Events 26 Display panel screen 19 Holidays 21 30 Dry contact 17 46 Time of Day 24 Environmental 8 Repeat Programming 21 Glossary 46 Specificat...

Page 48: ...tcher Road Downers Grove Illinois 60515 Made in Mexico Customer Service 800 951 5526 Technical Support 800 732 8400 ISO 9002 registered Paragon Electric Canada Ltd 5785 Kennedy Road Mississauga Ontari...

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