Viconics VT7607 BACnet Integration Guide (First Release 100 Manual de usuario Pagina 1

VT7600 Series Programmable & Non-Programmable Thermostats With Humidification & Dehumidification Strategy For Commercial HVAC Applications (I

10Dehumidification process If (Dhu LCK) Dehumidification Lockout Functions is set to On (Enabled): Dehumidification process will only be allowed wh

11 G) Schedule set (2 events) Scheduling can have 2 or 4 events per day. This is set in the configuration menu as per parameter (2/4event ) Schedule

12H) Schedule set (4 events) Schedule set Y/N This section of the menu permits the user to set the whether 2 or 4 events is needed. Each day ca

13I) Clock/Day Settings Clock set Y/N This section of the menu permits the user to set the time and day. Time setting Day setting Time form

14 Installer configuration parameter menu Configuration can be done through the network or locally at the thermostat. • To enter configuration, pr

15 Frost pr Frost protection enabled Default value = Off On heat pump models the system mode will be forced to EMERGENCY mode if frost protection is

16 Fan del Fan delay Default value = Off Fan delay extends fan operation by 60 seconds after the call for heating or cooling ends. Valid only for Au

17 Auxiliary contact configuration Default value = N.O. normally open This contact can be used to energize peripheral devices such as: lighting equi

18 Dhu LCK Dehumidification Lockout Functions Default value = On Enables or disables the lockout functions for the dehumidification control process

19 Wireless Model only PAN ID Personal Area Network Identification Default value = 0 Range is: 0 to 500 Conditional parameter to Wireless models (VT7

2 Theory of operation The VT7600 uses a Viconics proprietary adaptive logic algorithm to control the space temperature. This algorithm controls

20 Humidity setpoint reset by outside air temperature If an outdoor air sensor is connected at the thermostat or a value is received from the netwo

21Troubleshooting guide Symptom Possible Cause Corrective Action Absent or incorrect supply voltage 1. Check power supply voltage between C & R

22 Symptom Possible Cause Corrective Action Wrong mode selected Select cooling mode Thermostat in Unoccupied mode Select Occupied Hold in Schedule

23 Specifications Thermostat power requirements: 19-30 Vac 50 or 60 Hz; 2 VA ( RC & C ) Class 2 RC to RH jumper 2.0 Amps 48 VA maximum O

3Installation • Remove security screw on the bottom of thermostat cover. • Open up by pulling on the bottom side of thermostat. • Remove Assembl

4Wiring Terminal identification & screw terminal arrangement Y2HUMRCGY1AUX DEHUMDIW2HLW1RHC SCOMHS OS5 pole left top connector8 p

5Wiring notes: Note 1: If the same power source is used for the heating stages, install jumper across RC & RH. Maximum current is 2.0 amps. No

6User menu flow chart: NOTE: Prompts may not all be present depending on model selected Schedul eset ? Y/ NSys modeset ? Y/ NCl ockset ? Y/ NTemper

7Programming and status display instructions 1. Status display The thermostat features a two-line, eight-character display. There is a low-level

82. User programming instructions menu The VT7600 series of thermostat feature an intuitive, menu-driven, backlit LCD display that walks users throu

9 A) Override an unoccupied period Override schd Y/N This menu will appear only when the thermostat is in unoccupied mode. The unoccupied mode is