Digicom 2000 Specifications

System 2000 GEN II A MODULATING SYSTEM Vote Based Auto Changeover VAV

62. To decrease the Y2 and W2 cut-in delay, press and hold the SET and DN buttons (N) simultaneously. When delay time appears in the display, releas

7General Installation Instructions GEN II Controller 1. Install the GEN II controller on an interior wall where the ambient temperature is between

8 To select Emergency Heat on any ModStat: 1. Press and hold the ModStat Menu button 2. When the mode display indicates Emg, release the Menu butto

93. RAISE – Press the DN button. After “C” is displayed, immediately release the DN button, and press the UP button. Hold until the desired tempera

10Zone Thermostat - ModStat Installation Wiring All 24-volt and communication wiring connections are made to terminal bl

11Configuration Addressing Each thermostat must have a unique address from 1-17. 1. Press and hold the Menu button until you see the system mode

12Heat - If “Heat Setting” is displayed on the top right of the display, simply press the UP or DN button to change the heat set point. If “Cool Sett

13SUPPLEMENTAL HEAT APPLICATIONS MODSTAT NOTE: A larger transformer may be needed to power fan relay and

14DIGICOM / DIGIHP THERMOSTATS DESCRIPTION The Zonex Systems DIGICOM (2H, 2C) and DIGIHP (3H, 2C) are microprocessor based, auto changeover,

15Wiring (Continued) 1. Use minimum 18-gauge AWG thermostat wire for the 24vac control circuits. The load on these circuits must not exceed 1 amp.

GEN II QUICK START AND COMMISSIONING Follow these Quick steps for a successful job If you need additional information, please read the GEN II Manual

16Configuration 1. Set the unique address for each thermostat from 01 to 20. 2. Press and hold the Menu button until you see the system mode display

17HEAT – DIGICOM: The thermostat will make a W1 heat call when the space temperature is 1 degree below the heat set point. W2 will energize when th

18System Start and Test 1. Plug all thermostats into sub-bases. Turn GEN II power switch (E) to ON. 2. Choose any Thermostat and change its addre

19Advanced Feature Configuration - Gas Electric and Heat Pump Occupied / Unoccupied fan operation The factory setting for FAN operation is AUTO, wi

203. Press and hold the SET and UP buttons (N), and the LED display will scroll through the number of zones starting with 01. 4. When the displa

21Default Thermostat Set Point Programming Global default set points can be established from the GEN II controller. The following procedure will p

22ZONE DAMPERS Zonex Systems zone dampers are used in cooling/heating systems to provide room by room zone control. The damper is provided with a f

23 RECTANGULAR ZONE DAMPERS The rectangular zone dampers are available in either medium pressure or heavy duty. For systems under 7.5 tons, u

24RECTANGULAR DAMPER SELECTION Rectangular Damper Capacities* WIDTH IN INCHES 8 10 12 14 16 18 20 22 24 26 28 30 32 HEIGHT IN INCHES 8 300 400

25SIZING ZONE DAMPERS If the ductwork already exists, simply size the damper to fit the ductwork. For new systems or retrofit jobs: A. Determine CFM

GEN II QUICK START AND COMMISSIONING The GEN II is equipped with a Digital Display (O) on the GEN II controller that const

26BYPASS DAMPERS – ELECTRONIC ELECTRONIC BYPASS DAMPERS Bypass dampers are used to provide constant air delivery through the air handling unit. Thi

27RECTANGULAR BYPASS SELECTION TABLE Bypass air in CFM. Calculated at 1500 FPM. Formula used: B = W x H / 144 x 1500, where B = Bypass air in CFM,

28BYPASS DAMPER with INTEGRATED PRESSURE CONTROL (Part # STBP or STCDBP) Bypass Damper with Integrated Pressure Control is used to control bypass op

29 4. Static Pressure Option: The Integrated Pressure Control Board can be field configured for specified static pressure using a multi meter

ONLINE Step-by-Step Installation Instructions and Commissioning www.zonexcontrols.com/gen.html

System 2000 GEN II Hot Line: (800) 228-2966 5622 Engineer Drive Huntington Beach, CA 92649 Factory: (714) 898-9963 Fax: (714) 898-6802 Vi

Table of Contents Page System Overview ...

1 SYSTEM OVERVIEW The SYSTEM 2000 GEN II is a commercial modulating or 2-position zone control system controlling 2-17 independen

2System 2000 GEN II offers the following additional control features: 1. Set Cooling and Heating capacity cut-out set points 2. Adjustable timing t

3GAS ELECTRIC OPERATION General Installation Instructions GEN II Controller 1. Install the GEN II controller on an inte

43. 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 co

52. O/B and HP jumpers (B&C) should both be on one pin or removed, for GE operation. 3. PRIORITY jumper (D) should be on one pin. Note: If the