Zonex System 2000 GEN II Installation And Application Manual Download Page 17 | Manualshive

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SUPPLEMENTAL HEAT APPLICATIONS

MODSTAT

NOTE: A larger transformer may be needed to power fan relay and/or heat strip relay.

SUBBASE

ModStat Terminal Designations

TX

– Data transmit

RX

– Data receive

AUX

– Reheat/AUX Heat Fan

RO

– Run Open, damper

RC

– Run Closed, damper

R

– 24vac power input

C-MC

– 24vac power common

{twisted pair}

{18 ga. stat wire}

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Summary of Contents for System 2000 GEN II

Page 1: ...System 2000 GEN II A MODULATING SYSTEM Vote Based Auto Changeover VAV Part GENIIMAN June 2014 Installation and Applications Manual...

Page 2: ...is displayed on the GEN II Controller then daisy chain wires from Stat 01 to the next stat and address it 2 then repeat the ON Off switch operation and confirm the 2 shows up on the display indicating...

Page 3: ...fan is controlled by the HVAC system fan control When a fan output is required from the GEN II controller on a call for heat place the EH jumper over both pins for several seconds and then remove Pla...

Page 4: ...allation 10 Wiring Diagram 10 ModStat Configuration 11 12 Supplemental Heat Applications 13 Zone Thermostats DIGICOM DIGIHP DIGICOM DIGIHP Installation 14 15 DIGICOM DIGIHP Configuration 16 17 Voltage...

Page 5: ...control and changeover strategies allowing the contractor to tailor the GEN II system to your specific application Additional features include LED status indication of all system functions digital LAT...

Page 6: ...ity vote changeover by thermostat assignment The GEN II controllers are shipped from the factory for 10 minute opposing call changeover The GEN II controllers poll the thermostats once per minute to d...

Page 7: ...umper Allows for Priority Vote Setup E On Off Switch F R C Power to ModStats 18 ga Thermostat wire G 24 Volt Transformer H TC TC Time Clock Terminals I Unit Terminals J S S Terminals Leaving Air Senso...

Page 8: ...to the farthest ModStat DIGICOM or DIGIHP 6 Connect the output wires from the controller to the HVAC system using standard 18 ga thermostat wire The LAT sensor leads may be extended using standard 18...

Page 9: ...e reading is displayed and release 4 Press the DN button to verify the new cool cut out temperature Heat cut out temperature Press and hold the UP button after the H is displayed use the same procedur...

Page 10: ...a Transmit Receive S S Leaving Supply Air Sensor Input G Fan Output W2 Auxiliary Emergency Heat O B Reversing Valve Output Y2 Stage 2 Cool Output Y1 Stage 1 Cool Output R 24vac from Unit Transformer T...

Page 11: ...air temperature is 58 F 14 C or above Y2 will energize for 2 stage systems If the supply air temperature drops one degree below the Cool cut out temperature Y1 and Y2 will de energize for 4 minutes B...

Page 12: ...TEMP jumper Q on the middle and upper pins 6 Set NIGHT DAY switch L for DAY position 7 Set LOCK UNLOCK switch P to UNLOCK 8 Switch the controller to ON E 9 Press the UP button N and verify the H cut...

Page 13: ...e buttons and immediately press the UP button and hold until the desired delay time is displayed and release The time delay is fully adjustable from 3 20 minutes To verify the change press and hold th...

Page 14: ...or any heat generating source Mounting screws and anchors are provided The sub base may be installed on a vertical 2x4 electrical box 2 Connect the control wires from the ModStat s R C to the GEN II...

Page 15: ...factory and should require no further adjustment However the display space temperature may be field calibrated by the following procedure 1 Press and hold the Heat Cool and Select buttons together the...

Page 16: ...ed Auto mode Press and release the Menu button Override When the thermostat displays Unoccupied top of display a 2 hour temporary override may be initiated by pressing the Override Select button When...

Page 17: ...r may be needed to power fan relay and or heat strip relay SUBBASE ModStat Terminal Designations TX Data transmit RX Data receive AUX Reheat AUX Heat Fan RO Run Open damper RC Run Closed damper R 24va...

Page 18: ...5 C and the DIGIHP temperature display range is 55 95 F 12 35 C Fan Mode Heat or Cool set points and operation modes are all indicated on the display Programmed set points can be manually adjusted at...

Page 19: ...are 2 sets of RX TX terminals for daisy chain installation of this circuit The communication wire specification is twisted pair Belden 8740 or shielded twisted pair wire Belden 8450 NOTE When using s...

Page 20: ...Select button and note Override indicated on the display along with the backlight coming on When additional override is required press the Select button again Calibration When re calibration is requi...

Page 21: ...elow the heat set point E aux heat will energize when the space temperature is 3 degrees below set point When the room temperature rises to within 2 degrees of the heat set point E aux heat de energiz...

Page 22: ...minal All C wires must be connected to the GEN II C terminal Confirm the daisy chain wiring is correct at this time 3 Check RX TX wires for proper color code and connections polarity is imperative All...

Page 23: ...w satisfy before the GEN II controller will recognize any of the initially calling thermostats The opposing call timer is factory adjusted for 10 minutes However the delay time can be field adjusted f...

Page 24: ...e GEN II system provides the ability to electronically lock all of the zone thermostats global When the thermostats are in the LOCK mode there will be a padlock icon on each thermostat display The LOC...

Page 25: ...Unoccupied schedules in a 7 day format The GCLK is powered from the GEN II controller power supply and there is a backup battery to protect the time clock program for up to 100 hours Installation The...

Page 26: ...ch allows for continuous power to the motor and longer motor life Motor drive time from full open to full close is 90 seconds ROUND MEDIUM PRESSURE DAMPER PART NUMBERS AND SIZES TYPICAL ROUND CAPACITI...

Page 27: ...r motor life Two set screws connect the motor to the damper shaft allowing quick motor replacement if necessary Motor drive time from full open to full close is 90 seconds W HEAVY DUTY RECTANGULAR DIM...

Page 28: ...are approximate For accurate selection use duct sizing table or device D FUSER ZONE DAMPER Zonex Systems D Fuser is a combination zone damper and diffuser It mounts in a standard 2 x 2 T bar ceiling o...

Page 29: ...ion and pipe Therefore insulation should be applied to the round pipe and be butted against the hat section do not insulate the motor The motor generates enough heat so that no condensation will devel...

Page 30: ...0 FPM the bypass damper should be 16 Never undersize the bypass damper ROUND BYPASS DAMPER SELECTION The Zonex Systems STBP damper is used for round bypass applications When you know the bypass CFM re...

Page 31: ...00 2750 3000 3500 4000 4500 5000 5500 6000 14 1167 1458 1750 2042 2333 2625 2917 3208 3500 4083 4667 5250 5833 6417 7000 16 1333 1667 2000 2333 2667 3000 3333 3667 4000 4667 5333 6000 6667 7333 8000 1...

Page 32: ...nd controller are powered by a dedicated 24vac 40VA transformer 3 Do not install the bypass damper outside 4 Locate the Integrated Pressure Control IPC and air tube on the bypass damper 5 Drill hole i...

Page 33: ...ay be necessary to remove Y outputs to unit on the zone control board and to make full cool calls on all thermostats This will modulate dampers fully open and lock out compressor On Zonex Systems GEN...

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Page 36: ...ur Web Site http www zonexproducts com PATENTED PRODUCT Part GENIIMAN Zonex Systems reserves the right to discontinue June 2014 or change at any time specifications or designs without notice and witho...

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