Viconics VT76 7 Series Installation Manual Download Page 5 | Manualshive

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5 | 028-0229-05

November 2015

T

YPICAL APPLICATIONS

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Summary of Contents for VT76 7 Series

Page 1: ...cal applications 5 Remote humidity sensor accessories 6 Configuring and Status Display Instructions 8 Status display 8 User Interface 10 10 User configuring instructions menu 10 10 Local keypad interface 11 Troubleshooting guide 12 VT76x7 Series Installation Guide For Commercial HVAC Applications November 2015 April 26 2011 028 0190 R6 May 5 2011 028 0228 R3 ...

Page 2: ...Room Controller PCB to left by pressing PCB locking tabs fig 2 2 Pull out cables 6 out from wall Ensure wall surface is flat and clean 3 Insert cable in central hole of base 4 Align base and mark location of two mounting holes on wall ensuring proper side of base up 5 Install anchors in wall 6 Insert screws in mounting holes on each side of base fig 2 7 Gently swing back circuit board on base and ...

Page 3: ...erification prior to shipping to ensure proper and reliable operation in the field Whenever a control failure could lead to personal injury and or loss of property it becomes the responsibility of the user installer electrical system designer to incorporate safety devices such as relays flow switch thermal protections etc and or an alarm system to protect the entire system against such catastrophi...

Page 4: ...ote 3 Humidifier output uses a half bridge rectifier Reference of the control signal is the common of the power supply of the Room Controller Terminal C Note 4 Electromechanical contacts are to be used with the digital inputs Electronic triacs cannot be used as mean of switching for the input The switched leg to the input for the input to activate is terminal C common Note 5 The transformer of the...

Page 5: ...5 028 0229 05 November 2015 TYPICAL APPLICATIONS ...

Page 6: ...an be used for Remote return or room air humidity sensing with the sensor mounted on the wall VH2020W1000 VH2020D1000 remote duct mounted humidity sensor c w junction box This sensor can be used for Remote return air humidity sensing with the sensor mounted on the return air duct Supply air humidity sensor used as high limit protection VH2020W1000 Wiring example of remote room humidity sensor Wiri...

Page 7: ...N Oc c u p i e d 1 2 0 0 p m Time Un o c c u p 1 2 0 0 p m Time Oc c u p i e d d a y Y N Oc c u p i e d 1 2 0 0 p m Time Un o c c u p 1 2 0 0 p m Time Oc c u p i e d d a y Y N Oc c u p i e d 1 2 0 0 p m Time Un o c c u p 1 2 0 0 p m Time Oc c u p i e d d a y Y N Oc c u p i e d 1 2 0 0 p m Time Un o c c u p 1 2 0 0 p m Time Oc c u p i e d d a y Y N Oc c u p i e d 1 2 0 0 p m Time Un o c c u p 1 2 0...

Page 8: ... to automatic scrolling Temperature is automatically updated when scrolling is held Sequence of auto scroll status display ROOM TEMP RH CLOCK STATUS SYSTEM MODE SCHEDULE STATUS OUTDOOR TEMPERATURE ALARMS x x C or F XX RH Monday 12 00 AM Sys mode auto Occupied Outdoor x x C or F Service Sys mode off Occupied hold Frost ON Sys mode heat Unoccup SetClock Sys mode cool Filter Sys mode emergency Fan lo...

Page 9: ...urable digital input DI1 or DI2 Fan lock Indicates that the heating and cooling action are locked out due to a defective fan operation Three status LEDs on the Room Controller cover are used to indicate the status of the fan a call for heat or a call for cooling When any of the fan is ON the FAN LED will illuminate When heating is ON the HEAT LED will illuminate When cooling is ON the COOL LED wil...

Page 10: ...et the parameters such as temperature and time events system mode fan mode etc It is possible to bring up the user menu at any time by depressing the MENU key The status display automatically resumes after exiting the user configuring menu If the user pauses at any given time during configuring Auto Help text is displayed to help and guide the user through the usage and configuring of the Room Con...

Page 11: ... values when configuring the Room Controller The up arrow key is used to increase temperature setpoint and to adjust the desired values when configuring the Room Controller When left unattended for 45 seconds the display will resume automatic status display scrolling To turn on the back light press any key on the front panel The back lit display will turn off when the Room Controller is left unatt...

Page 12: ...enough VA s to supply all controlled devices including the Room Controller Keyboard menu does not access all functions Keyboard locked Change configuration parameter LOCKOUT to value 0 to access all levels of the menu Temperature setpoints revert to original value after a certain time period Temporary setpoint option selected 1 The Room Controller needs to be in Permanent setpoint mode for the new...

Page 13: ...r will not call for cooling Wrong mode selected Select cooling mode Room Controller in Unoccupied mode Select Occupied Hold in Schedule hold or Override to force the Room Controller Occupied cooling setpoint Anti cycle delay active Wait the anti cycling period will end and the equipment will start Cooling setpoint is satisfied Lower the cooling setpoint Cooling lockout attained 1 Mode is locked ou...

Page 14: ...14 028 0229 05 November 2015 Viconics Technologies Inc Tel Fax Toll free www viconics com ...

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