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Viconics VWZS Application Guide User Manual

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Table of Contents:

Please refer to the installation manuals of the zoning system controllers for all required information
related to wiring, installation, commissioning and integration:

• For detailed information on the Viconics VZ72xx Zone controller, please refer and read the VZ72xx Product

Guide. Installation and commissioning information is available on document: LIT-VZ7260X-Exx

• For detailed information on the Viconics VZ76xx RTU controller, please refer and read the VZ76xx Product

Guide. Installation and commissioning information is available on document: LIT-VZ7656X-Exx

1. System Overview and Architecture

A. Initial design criteria considerations
B. Scalability and limitations
C. Using local zone reheat or not using local reheat
D. Atypical zone areas
E. By-pass damper design rules
F. Indoor Air Quality Control Standards

2. Zone controllers VZ7260X5x00W operation

A. Demand based heating and cooling systems
B. Overrides and user zone interface lockouts
C. Zone setpoint limits
D. Heating and cooling weight zone selection
E. Minimum, maximum and maxheatflow adjustments
F. Terminal reheat lockout
G. Passive infra red motion detector cover (PIR)
H. AI4 CO2 / Other Sensor Input Operation
I. Disable Minimum Position parameter
J. Heating and Cooling Performances

3. RTU controllers VZ7656X1000W operation

A. Operation data exchanged
B. Occupancy and overrides
C. RTU interface lockouts
D. RTU heating and cooling supply air temperature lockouts
E. RTU heating and cooling outdoor air temperature lockouts
F. Critical

mid-season changeover

G. By-pass damper control and operation
H. Minimum Supply Heat Temperature Control and Lockout
I. Indoor Air Quality Control & Operation

4. Wireless Communication system overview

A. (SA) Stand-Alone System implementation
B. (NS) Networked System implementation
C. Basic Initial Design And Deployment Consideration
D. Communication status LED and troubleshooting

5. System commissioning

A. Proper commissioning ZN controllers
B. Proper commissioning RTU controllers
C. Operational system checklist

6. Notes, tips and things you need to know

A. Single 24 VAC zone transformer vs. multi 24 VAC zone transformers
B. Critical point checks
C. Balancing and capacity