background image

 

20

 

Prog rec 

Progressive recovery enabled 

 

Default value = 

Off 

 

Progressive recovery is 
automatically disabled if DI is 
configured as Remote NSB 
 

For scheduling model only - 
VT7657B1028B

 

Off

, = no progressive recovery 

The programmed occupied schedule time is the time at 
which the system will restart. 

 

On

, = progressive recovery active. 

The programmed occupied schedule time is the time at 
which the desired occupied temperature will be attained. 
The thermostat will automatically optimize the equipment 
start time. 

 

In any case, the latest a system will restart is 10 minutes 
prior to the occupied period time. 
 

RH LT 

 

Reset RH lower outside 
temperature setpoint 
Default value = 

-20°F (-29°C)

 

Minimum outside air temperature for RH setpoint reset. 
Only valid if an outdoor air sensor is connected at the 
thermostat or a network value is transmitted to the 
thermostat. See 

RH HT

 & 

RE Sp.

 

From –40°F up to 15°F (-40°C to –9.5°C)

 

RH HT 

Reset RH higher outside 
temperature setpoint 
Default value =

 32°F (0°C)

 

Maximum outdoor air temperature for RH setpoint reset. 
Only valid if an outdoor air sensor is connected at the 
thermostat or a network value is transmitted to the 
thermostat. See 

RH LT

 & 

RE Sp

 

From 20°F up to 55°F (-6.5°C to 13°C)

 

HL Sp 

RH High limit setpoint 
Default value = 

85% RH

 

High humidity limit in the supply. 
Only valid if a 0-10 Vdc sensor is connected at the 
thermostat – otherwise this feature is disabled automatically.

From 50% RH up to 90% RH 

Dhu OALK 

Dehumidification outside air 
temperature lockout 
Default value = 

32°F (0°C)

 

Outside air temperature under which the dehumidification 
sequence is disabled.  
Only valid if an outdoor air sensor is connected at the 
thermostat or a network value is transmitted to the 
thermostat. 

From –40°F up to 122°F (-40°C to 50°C) 

Dhu LCK 

Dehumidification Lockout Functions
Default value = 

On

 

Enables or disables the lockout functions for the 
dehumidification control process of the output. 

On

: will restrict the dehumidification process based on the 

following: 

System mode = Needs to be Cool or Auto ( currently 
operating in cooling only ) 

Low ambient room temperature protection enabled 

Off

: will not restrict the dehumidification process: 

System mode = Needs to be Cool, Heat or Auto 

There is no ambient room temperature protection 
enabled 

DehuHyst 

Dehumidification hysterisys 
Default value = 

5% RH

 

Dehumidification control hysterisys.  
Used only if dehumidification sequence is enabled. 

 

From 2% RH up to 20% RH

 

Содержание VT7607B5x28(X)

Страница 1: ...dy VT6x7 Series LonWorks Integration Guide VYKONStat PIR Application Guide VYKONStat PIR Cover Assembly Installation Guide VYKONStat Wireless Controller Application Guide Models Available Application...

Страница 2: ...2...

Страница 3: ...er alarm will be displayed on the thermostat LCD screen when the input is energized It can be tied to a differential pressure switch that monitor filters Rem NSB remote NSB timer clock input Will disa...

Страница 4: ...push on it until the tabs lock it 10 Strip each wire 1 4 inch 11 Insert each wire according to wiring diagram 13 Gently push back into hole excess wring Fig 5 14 Re Install wiring terminals in correc...

Страница 5: ...internal wiring Jumper J1 T1 24 Vac Cool Stage 2 Y2 Y1 Jumper J1 See note 1 previous page Fan RC G C Heat Stage 1 W1 RH W2 Auxiliary Output Field contact Com 24V Remote Outdoor Sensor Digital Input 0...

Страница 6: ...hermostat Remote humidity sensor accessories Model no Description VH2020W1028 Wall mounted humidity sensor VH2020D1028 Duct mounted humidity sensor VH2020W1028 remote wall mounted room humidity sensor...

Страница 7: ...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...

Страница 8: ...122 F indicates a shorted sensor Associated functions such as mode lockouts are automatically disabled A minimum range status 40 C 40 F is not displayed and indicates a opened sensor or a sensor not...

Страница 9: ...increase temperature setpoint and to adjust the desired values when programming and configuring the thermostat When left unattended for 45 seconds the display will resume automatic status display scr...

Страница 10: ...will be prompted with the present mode Heating or Cooling of the thermostat and its setpoint The Up arrow key will increment the setpoint by 0 5 degree F or C The Down arrow key will decrement the set...

Страница 11: ...ehumidification output is then activated There is NO active temperature lockout protection in this mode If the dehumidification process causes the room temperature to rise or fall the thermostat will...

Страница 12: ...00 00 AM Use To set value Unoccup 00 00 AM Use To set value Sets Event 2 Unoccupied time Will activate unoccupied setpoints Use to set value Yes key to confirm Typical examples of a 2 event office sc...

Страница 13: ...e Will activate unoccupied setpoints Use to set value Yes key to confirm Ex 1 Four event retail establishment schedule Event Period 1 Event 1 Period 1 Event 2 Period 2 Event 3 Period 2 Event 4 Setpoin...

Страница 14: ...3 hours Use to set value Yes key to confirm Schedule resume Resume regular scheduling cancels the permanent hold and re enables the regular programming as set per internal scheduling or as per remote...

Страница 15: ...orking address Default value 254 Range is 0 to 254 Conditional parameter to BACnet MS TP models VT76xxX5x28B Conditional parameter to Wireless models VT76xxX5x28W This parameter will only appear when...

Страница 16: ...ut the menu part related to scheduling is disabled and no longer accessible Open contact occupied setpoints Closed contacts unoccupied setpoints RemOVR Temporary override remote contact Disables all o...

Страница 17: ...32 C Maximum occupied unoccupied heating setpoint adjustment Heating setpoint range is 40 to 90 F 4 5 to 32 0 C Cool min Minimum cooling setpoint limit Default value 54 F 12 C Minimum occupied unoccup...

Страница 18: ...or On or Auto fan mode When selecting Off the fan terminal G when heating stages terminals W1 W2 are solicited will not be energized The fan in this case will be controlled by the equipment fan limit...

Страница 19: ...toggles from occupied to unoccupied after the last movement has been detected by the PIR Range is 0 5 to 24 0 hours in 0 5 hour increments 2 4event Number of events configuration Default value 2 even...

Страница 20: ...network value is transmitted to the thermostat See RH LT RE Sp From 20 F up to 55 F 6 5 C to 13 C HL Sp RH High limit setpoint Default value 85 RH High humidity limit in the supply Only valid if a 0 1...

Страница 21: ...et that can be added subtracted to actual displayed humidity by 15 0 RH This calibration applies to the internal humidity sensor if no remote humidity sensor is connected This calibration applies to t...

Страница 22: ...e 8 RE Sp was set to 20 therefore the humidity setpoint dropped from 45 to 20 If you don t want to use this feature set the RE Sp parameter to 90 RH High limit humidity sensor The VT76x7 series includ...

Страница 23: ...etpoint mode for the new setpoint to be kept and memory and used all the time 2 Go to the Set temperature menu 3 The last prompt is setpoint type Set it to Permanent setpoint Wrong mode selected Selec...

Страница 24: ...erify wiring Digital display shows missing digits or erratic segments Defective display Replace thermostat RH sensor is out of range Verify the remote RH sensor or the internal RH sensor System Mode i...

Страница 25: ...0 Vdc into 2K resistance min Humidification analog output accuracy 3 typical Wire gauge 18 gauge maximum 22 gauge recommended Dimensions 4 94 x 3 38 x 1 13 Approximate shipping weight 0 75 lb 0 34 kg...

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