Appendix—Unit Operation

Unit Operation Based On The Effective HEAT/COOL Output

Table 39: Unit operation based on the effective heat/cool output

Application mode input

(nviApplicMode)

Auto

Heat

Morning warm up

Heat/cool mode input

(nviHeatCool)

Auto

Heat

Morning warm up

Cooling

Pre-cool

Off

Test

Fan only

Not present

Any state

Any state

Effective heat/ cool mode output (nvoHeatCool)

Determined by controller

Heating

Morning warm up

Cooling

Pre-cool

Off

Test

Fan only

Determined by controller

Heating

Morning warm up

Unit Operation

Fan—Enabled

Heating—Enabled

Cooling—Enabled

Damper—Enabled

Fan—Enabled

Heating—Enabled

Cooling—Disabled

Damper—Enabled

Fan—Enabled

Heating—Enabled

Cooling—Disabled

Damper—Disabled

Fan—Enabled

Heating—Disabled1

Cooling—Enabled

Damper—Enabled

Fan—Enabled

Heating—Disabled1

Cooling—Enabled

Damper—Disabled

Fan—Disabled

Heating—Disabled

Cooling—Disabled

Damper—Disabled

Fan—Enabled

Heating—Enabled

Cooling—Enabled

Damper—Enabled

Fan—Enabled

Heating—Disabled

Cooling—Disabled

Damper—Enabled

Fan—Enabled

Heating—Enabled

Cooling—Enabled

Damper—Enabled

Fan—Enabled

Heating—Enabled

Cooling—Disabled

Damper—Enabled

Fan—Enabled

Heating—Enabled

Cooling—Disabled

Damper—Disabled

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Trane ZN.520, Tracer Unit Ventilator manual Appendix-Unit Operation, Unit Operation Based On The Effective HEAT/COOL Output