Viconics VWZS Integration Guide - Manual (Page 65)

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Note 1 For VT72xx, VT73xx & VTR73xx devices, usable enumerations for the System Mode
depends on Sequence of Operation selected. The Auto mode can be used only if the
AutoMode configuration parameter is set to On.
Note 2 For VT72xx & VT73xx, the default value of System Mode depends on the Local
Sequence of Operation selected and the value of the AutoMode configuration parameter.
Sequence Of
Operation Function Auto Mode
parameter Enabled Auto Mode
parameter Disabled
1 Cooling Only Cool Cool
2 Cooling with Reheat Auto Heat
3 Heating Only Heat Heat
4 Heating with Reheat Heat Heat
5 Cooling/Heating 4 Pipes Auto Heat
6 Cooling/Heating 4 Pipes with Reheat Auto Heat
Note 3 For VTR73xx, the default value of System Mode depends on the Local Sequence of
Operation selected and the value of the AutoMode configuration parameter.
Sequence Of
Operation Function Auto Mode
parameter Enabled Auto Mode
parameter Disabled
1 Cooling only Cool Cool
2 Heating only Heat Heat
3 Cooling / Heating or Cooling With Electric
Reheat Auto Heat
4 Heating With Electric Reheat Heat Heat
5 Electric Reheat Only Heat Heat
Note 4:
 VT7200 do not have fan outputs and fan mode commands
 VT7300 fan mode input is dependent on local Fan Configuration
 VT7600 fan mode inputs accepted are: Auto and On. All other modes are rejected.
Available Fan modes for the VT73xx & VTR73xx controller is dependent on the local
configuration of the Fan Menu parameter
Fan Menu
Configuration
Fan Modes Index Accepted Default Value
1 1 Low - 2 Med - 3 High High
2 1 Low - 2 High High
3 1 Low - 2 Med - 3 High - 4 Auto High
4 1 Low - 2 High - 3 Auto High
5 1 Auto -2 On Auto