Zonex GEN II -VVT Installation And Application Manual
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Zonex GEN II -VVT Installation And Application Manual

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GEN II -VVT
V O T E
B A S E D
A U T O
C H A N G E O V E R
V V T
A
M O D U L A T I N G
S Y S T E M
SIMPLIFIED
COMMERCIAL ZONING -
GEN II
System Controller
Installation and Applications Manual
58

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Summary of Contents for Zonex GEN II -VVT

  • Page 1 GEN II -VVT V O T E B A S E D A U T O C H A N G E O V E R V V T M O D U L A T I N G S Y S T E M...
  • Page 2 6. Wire TR1 and TR2 terminals from the GEN II controller to the first thermostat sub-base TR1 and TR2 - only (18 ga thermostat wire). 7. Wire A & B terminals from GEN II controller using Zonex TWPR or STPR Plenum rated twisted pair wire to the first thermostat sub-base A & B - only.
  • Page 3 QUICK START AND COMMISSIONING GEN II QUICK START AND COMMISSIONING GEN II-VVT TIME/TMP TIME AUTO The GEN II is equipped with a Digital Display (G) that constantly displays Leaving Air Tem- perature from the unit. At startup, this display also reports the number of thermostats communicat- ing with the GEN II controller.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SYSTEM OVERVIEW System Overview Diagram General Sequence of Operation GAS/ELECTRIC OPERATION Controller ID Diagram Gas/Electric Installation Gas/Electric Controller Configuration Gas/Electric Advanced Configuration Heat and Cool Cut-out Temperatures Electric Heat Fan 2nd Stage Operation HEAT PUMP OPERATION Controller ID Diagram Heat Pump Installation Basic Configuration Heat Pump Advanced Configuration...

  • Page 5: System Overview

    The GEN II controller is designed for Auto Changeover, multi-stage Heat Pump (2C/3H) and Gas Electric (2C/2H) applications. The GEN II system uses the Zonex EzTouch, which modulates and controls the “ST” series, 3-wire, 24-volt, power open / power close round and rectangular dampers.

  • Page 6: General Sequence Of Operation

    • Modulating power open / power close 24vac supply dampers • Modulating power open / power close 24vac bypass damper with static pressure control • Communication cable (Belden 8740) twisted pair or Zonex supplied equal • Time Clock • 24vac 100va transformers: to control system and all supply dampers •...

  • Page 7: Gas/Electric Operation

    GAS ELECTRIC OPERATION GEN II-VVT LEGEND TR1 & TR2 Power out to EzTouch TR1 & TR2 (18 ga thermostat wire) B TR1 & TR2 24-Volt Transformer C TC – TC Time Clock Terminals D Unit Terminals E On / Off Switch F Priority Jumper (Allows for Priority Vote Setup) TIME/TMP...
  • Page 8 GAS ELECTRIC BASIC CONTROLLER CONFIGURATION 3. Install the leaving air sensor (LAT) in the supply air, ahead of the bypass take-off. Sensor wires are connected to the S S terminals on the controller (M). The LAT sensor leads may be extended using standard 18/2 thermostat wire.

  • Page 9: Electric Heat Fan

    GAS ELECTRIC ADVANCED FEATURE CONFIGURATION 2. O/B and HP jumpers (F) should both be on one pin or removed, for GE operation. 3. PRIORITY jumper (F) should be on one pin. Note: If the Priority opposing call strategy is to be used, this jumper position will be changed after the initial system start-up is completed.

  • Page 10: Heat Pump Operation

    HEAT PUMP OPERATION 2. To decrease the Y2 and W2 cut-in delay, press and hold the SET and DN buttons (H) simultaneously. When delay time appears in the display, release the buttons and immediately press the DN button and hold until the desired delay time is displayed, and release. To verify the change, press and hold the SET and DN buttons until the delay time is shown, and release.
  • Page 11 GENERAL INSTALLATION INSTRUCTIONS General Installation Instructions GEN II Controller 1. Install the GEN II controller on an interior wall where the ambient temperature is between 32°- 120°F (0°- 48°C) non-condensing. This controller is to be installed in an accessible interior area;...

  • Page 12: Heat Pump Installation

    HEAT PUMP BASIC CONTROLLER CONFIGURATION GEN II Heat Pump Basic Configuration The GEN II controller is shipped from the GEN II-VVT factory for Gas Electric operation. The controller must be field configured for Heat Pump operation. Heat Pump configuration: 1. Switch controller to OFF (E). 2.
  • Page 13 HEAT PUMP ADVANCED FEATURE CONFIGURATION GEN II Heat Pump Advanced Feature Configuration Heat Pump Capacity Control - Cool and Heat cut-out temperature adjustment When the GEN II controller is configured for Heat Pump (HP jumper (F) on both pins), the Cool and Heat cut-out temperatures are 45°- 126°F (7°- 52°C).

  • Page 14: Zone Thermostat - Eztouch

    22 ga tinned copper, twisted pair communications cable. The cable should be daisy chained from thermostat to thermostat (use Belden 8740 or Zonex supplied equal). 1. Install the thermostat sub-base on an interior wall away from direct sunlight, supply air currents, or any heat generating source.

  • Page 15: Eztouch Configuration

    EzTouch CONFIGURATION Duct Temperature Menu Current Room Temperature Modes Heat Set Point Cool Set Point Active Heat Call when Soild Active Cool Call when Soild In standby when Flashing In standby when Flashing MENU HOME OCCUPIED UNOCCUPIED MENU HOME Addressing Zone Thermostats Every thermostat in the system needs a unique ID ranging from 1-17.
  • Page 16 EzTouch CONFIGURATION Display Temperature Calibration Thermostats are calibrated at the factory and should require no further adjustment. However, the display space temperature may be field calibrated by the following procedure: To access the Thermostat Configuration Menu: Tap While in Thermostat Configuration Menu, Select Calibrate Display Use the arrows to calibrate the thermostat display to a external temperature probe temperature reading.

  • Page 17: Eztouch Configuration Menu

    EzTouch CONFIGURATION MENU THERMOSTAT CONFIGURATION MENU To access the Thermostat Configuration Menu: Tap The THERMOSTAT CONFIGURATION MENU allows you to: Override/Unoccupied Select Unoccupied Light Current Schedule Calibrate Display Set Temperature Mode Time & Date Select Occupied Light Set Display Accuracy Temperature F/C OVERRIDE/UNOCCUPIED When a thermostat displays “unoccupied mode...
  • Page 18 EzTouch CONFIGURATION MENU SELECT UNOCCUPIED LIGHT The brightness of the thermostat during unoccupied mode is adjustable from 100% down to off . While in Thermostat Configuration Menu, Select Unoccupied Light Use the arrows to select the desired brightness. to save changes, to return to the home screen tap Note: If “off”...
  • Page 19 EzTouch CONFIGURATION MENU CALIBRATE DISPLAY Thermostat is equipped with an accurate temperature sensor. If you require field calibration, follow the steps below. While in Thermostat Configuration Menu, Select Calibrate Display Use the arrows to calibrate the thermostat display to a external temperature probe temperature reading.

  • Page 20: Eztouch Advanced Menu

    EzTouch ADVANCED MENU THERMOSTAT ADVANCED MENU To access the Thermostat Advanced Menu: Tap on the degree symbol next to the room temp The degree symbol will change color from white to green and then tap The THERMOSTAT ADVANCED MENU allows you to: Set ID Select damper type Select Menu Type...
  • Page 21 EzTouch ADVANCED MENU SELECT DAMPER TYPE The EzTouch needs to be configured for the type of damper that it is wired to. There are 4 options, round, rectangular orspring loaded. round While in the Thermostat Advanced Menu, Select Damper Type rectangular spring loaded Select round, rectangular or spring loaded damper operation...
  • Page 22 EzTouch ADVANCED MENU DIAGNOSTIC The EzTouch Diagnostic screen will allow you to confirm communication with the GEN II controller and allow you to confirm damper, aux relay, and LED operation. While in the Thermostat Advanced Menu, Select Diagnostic Tap damper to confirm closed/open operation Tap aux relay to confirm it energizes and de-energizes Tap blue led to confirm the blue led illuminates Tap red led to confirm the red led illuminates...
  • Page 23 AUXILIARY HEAT/REHEAT The zone thermostat provides the following Auxiliary Heat options; Baseboard, Baseboard W1 and Reheat (see figure on the following page for more details) with configurable dead band of 2°, 3°, or 4°. Note: Reheat has a fixed 2° dead band. Baseboard: the thermostat’s auxiliary output will energize when the room temperature drops 2°...

  • Page 24: Supplemental Heat Applications

    SUPPLEMENTAL HEAT APPLICATIONS BASEBOARD ELECTRIC HEAT Wire from AUX/C terminals to the 24v coil on a field supplied SPDT relay. Wire baseboard heat to the load side of the relay to the baseboard heater. CONTROL RELAY HEATING COIL VAV DUCT REHEAT Wire one AUX terminal to the air proving switch from the air proving switch complete wiring to the terminal on the 24v coil relay.

  • Page 25: Gen Ii Wiring Schematic

    GEN II WIRING SCHEMATIC G W2 TC TC...
  • Page 26 STAND ALONE UNIVERSAL THERMOSTAT The SATouch is a universal color touch screen programmable G/E or H/P thermostat, microprocessor based, auto changeover, stand alone thermostat used to control stand alone fan coil units with the GEN II system. The SATouch is configured for Gas/Electric (2H, 2C) with selectable fan operation. The SATouch reports the supply and return air temperatures and has a large, easy to read display.

  • Page 27: Installation Instructions

    Install the Supply and Return air LAT sensors 18 to 24” downsteam of the unit. HVAC UNIT W1-O/B SUPPLY RETURN DAISY CHAIN THE COMMUNICATION WIRE Using Zonex TWPR communication wire. Wire IN and OUT of A, B, GND to and from SATouch's in a daisy chain configuration. Wiring to Communication Terminals W1-O/B Red-A White-B...

  • Page 28: Satouch Configuration And Operation

    SATouch CONFIGURATION AND OPERATION Duct Temperature Menu Current Room Temperature Modes Cool Set Point Heat Set Point Active Cool Call when Soild Active Heat Call when Soild In standby when Flashing In standby when Flashing HOME MENU HOME OCCUPIED UNOCCUPIED MENU Addressing Zone Thermostats Every thermostat in the system needs a unique ID ranging from 1-20.
  • Page 29 SATouch CONFIGURATION AND OPERATION Display Temperature Calibration Thermostats are calibrated at the factory and should require no further adjustment. However, the display space tempera- ture may be field calibrated by the following procedure: To access the Thermostat Configuration Menu: Tap While in Thermostat Configuration Menu, Select Calibrate Display Use the arrows to calibrate the thermostat display to a external temperature probe temperature reading.

  • Page 30: Satouch Configuration Menu

    SATouch CONFIGURATION MENU THERMOSTAT CONFIGURATION MENU To access the Thermostat Configuration Menu: Tap The THERMOSTAT CONFIGURATION MENU allows you to: Override/Unoccupied Select Unoccupied Light Current Schedule Calibrate Display Set Temperature Mode Time & Date Select Occupied Light Set Display Accuracy Temperature F/C OVERRIDE/UNOCCUPIED When a thermostat displays “unoccupied mode...
  • Page 31 SATouch CONFIGURATION MENU SELECT OCCUPIED LIGHT The brightness of the thermostat during occupied mode is adjustable from 100% down to off . While in Thermostat Configuration Menu, Select Occupied Light Use the arrows to select the desired brightness. to save changes, to return to the home screen tap Note: If “off”...
  • Page 32 SATouch CONFIGURATION MENU SET DISPLAY ACCURACY Display accuracy allows the thermostat to display the room temperature in 1/10° or 1°. While in the Thermostat Configuration Menu, Select Set Display Accuracy Select the the desired display accuracy to save changes, to return to the home screen tap TEMPERATURE F/C The SATouch can be configured for F°...

  • Page 33: Satouch Advanced Menu

    SATouch ADVANCED MENU THERMOSTAT ADVANCED MENU To access the Thermostat Advanced Menu: Tap on the degree symbol next to the room temp The degree symbol will change color from white to green and then tap The THERMOSTAT ADVANCED MENU allows you to: Set ID Select Fan Mode Set Emergancy Heat...
  • Page 34 SATouch ADVANCED MENU SELECT FAN MODE Fan operation is configured for either Fan ON or AUTO. When system is configured for ON operation, the Fan will run during Occupied schedule and will revert to Auto operations during Unoccupied schedule. When thermostat is configured for Auto operation, Fan will only run when there is a call for heating or cooling.
  • Page 35 SATouch ADVANCED MENU DIAGNOSTIC The SATouch Diagnostic screen will allow you to confirm communication with the GEN II controller and allow you to confirm the relays operation, LED operation and report the leaving/return temperatures as well as the relative humidity. communication leaving temp 52°...

  • Page 36: Remote Sensor And Averaging Sensor Installation

    The following wiring diagram is used when temperature averaging is desired on a job. This wiring diagram is to average two areas of a building for one thermostat. A Zonex Systems EzTouch-RS is required, as are two AVG averaging sensors (part # AVG).

  • Page 37: System Start Up And Testing

    SYSTEM START UP AND TEST System Start Up and Test 1. Plug all thermostats into sub-bases. Turn GEN II power switch (E) to ON. 2. Find the first Thermostat in the Daisy chain and change its address from 20 to 001. (See EzTouch installation instructions –...

  • Page 38: Advanced Configuration

    ADVANCED FEATURE CONFIGURATION Occupied / Unoccupied fan operation The factory setting for FAN operation is AUTO, with the FAN jumper (I) on the middle and lower pins. In this setting, the fan circuit on “G” is only energized on an active cool call in Gas/Electric mode or on an active heat call or cool call in Heat Pump mode.

  • Page 39: Air Balance

    ADVANCED FEATURE CONFIGURATION 1. Determine which thermostat address is to have an additional one or two votes. 2. Place the PRIORITY jumper (F) on both pins. 3. Press and hold the SET and UP buttons (H), and the LED display will scroll through the number of zones starting with 01.
  • Page 40 ADVANCED FEATURE CONFIGURATION Default Thermostat Set Point Programming Global default set points can be established from the GEN II controller. The following procedure will provide a 75°F (23°C) Cool and 70°F (21°C) Heat occupied set point along with Unoccupied 58°F (14°C) Heat and 85°F (29°C) Cool set point for every thermostat in the system.
  • Page 41 TIME CLOCK INSTALLATION Time Clock The GCLK is a 24vac 7-Day programmable time clock offered by Zonex Systems, exclusively for the GEN II control system. This digital time clock will enable the control system to operate with up to 10 “Global”...

  • Page 42: Zone Dampers

    (upstream) of the zone damper and the output (downstream) when the damper is closed. dampers to use. ROUND MEDIUM PRESSURE ZONE DAMPERS Zonex Systems round medium pressure zone dampers are recommended for systems with a maximum differential static pressure up to 1.75”. This modulating power open/power close damper is manufactured from 20-22 gauge galvanized steel with rolled-in stiffening beads for superior rigidity.
  • Page 43 MOTOR RECTANGULAR HEAVY DUTY ZONE DAMPERS (STCD) Zonex Systems rectangular heavy duty dampers are recommended for systems 5 tons or larger with a maximum differential static pressure of 1.75”. These are fully modulating, power open / power close dampers made of 20 gauge “snaplock” steel frame with S &...
  • Page 44 ZONE DAMPERS Rectangular Damper Capacities* WIDTH IN INCHES 1050 1175 1250 1400 1500 1600 1725 1825 2000 2100 2200 2275 2400 2525 1125 1300 1400 1590 1750 1975 2100 2175 2400 2600 2775 2900 3000 3200 3400 3600 1000 1200 1400 1600 1850...

  • Page 45: Slaving Zone Dampers

    3. Zone dampers should be preceded by 2’ − 4’ of straight pipe where possible. 4. In attic installations and high humidity areas, the Zonex Systems damper should be insulated along with the ductwork. The hat section on the round damper is delivered with insulation between the hat section and pipe.
  • Page 46 24” 4700 STRDBP24 24” 24” 27” The Zonex Systems STBP damper is used for round bypass applications. When you know the bypass CFM requirements, use the ROUND BYPASS SELECTION TABLE to confirm the round damper size. NOTE: Multiple round dampers can be slaved from one static pressure control to provide the correct capacity.

  • Page 47: Slaving Bypass Dampers

    RECTANGULAR BYPASS SELECTION TABLE RECTANGULAR BYPASS SELECTION TABLE WIDTH IN INCHES 1000 1167 1333 1500 1667 1833 2000 2333 2667 3000 3333 3667 4000 1042 1250 1458 1667 1875 2083 2292 2500 2917 3333 3750 4167 4583 5000 1000 1250 1500 1750 2000...

  • Page 48: Bypass Installation

    BYPASS INSTALLATION INSTALLATION The round and rectangular bypass damper can be installed in any position. Do not run speed screws into damper housing. Screws may interfere with damper travel. 1. Install the bypass damper between the supply and return plenums of the unit. It must be the first tap off the supply plenum.
  • Page 49 INTEGRATED PRESSURE CONTROL SETUP Bypass Damper with Integrated Pressure Control is used to control bypass operations. The bypass damper modulates to maintain static pressure as zone dampers open and close. The bypass system reduces air noise from the supply registers caused by excessive air velocity. If the system is configured for intermittent fan mode and the system satisfies, there will be a 3-minute delay to allow for system purge, after which the bypass damper will open to 25%, preventing noisy rush of air through supply registers when fan starts up on a call for heat or cool.
  • Page 50 INTEGRATED PRESSURE CONTROL SETUP Bypass Checkout For Static Static Pressure Option: The Integrated Pressure Control Board field Pressure Controller configured for specified static pressure using a multi meter and the static pressure – voltage Make cool call at the zone thermostat of the chart.
  • Page 51 The easy way to Get Quotes Fast PATENTED PRODUCT Part #GENIIMAN Zonex Systems reserves the right to discontinue, OCT. 2020 or change at any time, specifications or designs without notice and without incurring obligations. Copyright 2020 by Zonex Systems...

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