Viconics VWZS Application Guide Manual de usuario

1 Viconics Zoning System Application Guide VZ7260X5x00W and VZ7656X1000W Controllers VWZS_Rel2_Application_Guide-E02 (R1 Issue Date: January 10

102A) Demand Based Heating and Cooling System System operation as a whole consists of selecting which zone controllers will have heating and

11 Example 2 with 3 voting master zones only Voting Zone 1 Voting Zone 2 Voting Zone 3 RTU Control TypeCurrent heat demand Current hea

12 2B) Overrides and User Zone Interface Lockouts Each zone controller can have a function locked out for the local user. This can prevent unw

13 2D) Heating and Cooling Weight Zone Selection For any system to properly operate, care must be taken to select which zones will be drivin

14o External zones considered of primary importance should have both their heating and cooling weight set to 100% o Zones considered of seconda

15Maximum Heatflow Adjustment (MaxHTPos) Many installers will assume that this parameter sets the Maximum airflow of the VAV damper when the RT

16How To Test and Balance the Minimum, Maximum and Heat Flow Values: Balancing Minimum Air Flow 1. Be sure local system heating is allowed by

17 - The damper position is never linear or proportional to airflow in a pressure dependent application. Depending on how the zone damper was si

182G) Passive Infra Red Motion Detector Cover (PIR) The Viconics zone controllers are compatible with the new Viconics PIR (Passive Infra Red

192 H) AI4 CO2 / Other Sensor Input Operation AI4 CO2 Sensor Input Operation The VT76XXE controller features a 0-10VDC input (AI4) that is u

2Table of Contents: Please refer to the installation manuals of the zoning system controllers for all required information related to wiring, in

202 I) Disable Minimum Position parameter The VZ7260 zone controllers feature the DisMinPo (Disable Minimum Position) parameter that is used

213) RTU Controllers VZ7656X1000W Operation The following information needs to be carefully read and properly understood if proper system comm

22Many configuration and normal operation factors can limit action to the heating and cooling stages. Some example of this would be: - Heating

233D) RTU Heating and Cooling Supply Air Temperature Lockouts One problematic aspect of any VAV zoning system is high demand for (heating or

243F) Critical Mid-Season Changeover Heating and cooling RTU equipment cycling during mid-seasons is inevitable with a zoning VAV system if a

25 By-Pass Damper Operation: - Control signal = 0 VDC = Static pressure by-pass damper fully closed = No air recirculation from supply to retur

263I) Indoor Air Quality Control & Operation The fresh air damper can be controlled through more than one sequence to achieve different c

27Economizer Mode and Fresh Air Measurement Station If the fresh air damper is to be used for both free cooling and minimum fresh air volume

28Economizer Mode and CO2 Level Control If the fresh air damper is to be used for both free cooling and CO2level control (economizer mode and

29Economizer Mode, CO2 Level Control and Fresh Air Measurement Station If the fresh air damper is to be used for both free cooling and CO2 le

31) System Overview and Architecture The Viconics Zoning System product is comprised of 2 controller types. • The VZ7260X5x00W zoning cont

304) Wireless Communication Overview The Viconics VZ7260X5x00W and VZ7656X1000W controllers, Viconics Wireless Gateway (VWG) and Jace-driver

314A) (SA) Stand-Alone applications When PAN ID is used with a range of 251 to 500, for (SA) Stand-Alone Systems. In this application, the V

324B) (NS) Networked System applications When PAN ID is used with a range of 1 to 250, for (NS) Networked Systems. In this application, any

334C) Basic Initial Design and Deployment Considerations Proper design considerations need to be addressed prior to the installation of a Vic

343. Ensure that the minimum distance between any Viconics node and any Wi-Fi devices (wireless routers, wireless adapters, lap-tops using wirel

354D) Communication status LED and Troubleshooting Each controller has a communication status service LED for troubleshooting purposes. Monit

36 VZ72 Adapter LED Status Indicators 1 x 200ms short blink Power on 2 x 200ms short blinks Power on Communicating with controller base 3 x 200ms

375B) Proper Commissioning RTU Controllers At the RTU level, care should be applied to insure the following conditions are met: - Proper si

38RTU Commissioning RTU mechanical cooling functional verification done Maximum Delta temperature ( return to supply temp ) for cooling stage #

39Zone Number ( ) Commissioning VAV damper actuator properly rigged and verified? ( opens and closes with demand ) Proper adjustments of z

4Zone Controllers Available Models & Features: Viconics Part Number VZ7260F5000W VZ7260F5500W VZ7260C5000W VZ7260C5500W Control Outputs 2

406B) Critical Point Checks To insure proper and reliable operation of the system, it is the responsibility of the system d

5Wireless System Overview Viconics VZ72605x00W zone controllers are used in conjunction with the VZ7656X1000W roof top controller controllers.

61A) Initial Design Criteria Considerations The scope of this document is not intended to be a resource or white paper on VAV zon

7(NS) Networked Systems operation. There is a high-level supervisory device installed and used in this configuration. In this application, a Vi

8 1D) Special Considerations A typical office installation may require that a single unit service areas being used for different applications.

9 2) Zone Controllers VZ7260X5x00W Operation The following information needs to be carefully read and properly understood if proper system com