Honeywell VisionPRO 8000 Product Data page 35

Table 10. Sequence of Operation for Power Open and Power Closed Valves or Normally Open Valves.
System Setting Fan Setting
Off N/A
Heat N/A
Heat N/A
System Setting Fan Setting
Off Auto
Cool Auto
Cool or Auto Auto
Cool or Auto Auto
Heat Auto
Heat or Auto Auto
Heat or Auto Auto
Heat or Auto Auto
Em. Heat Auto
Em. Heat Auto
Em. Heat Auto
a
Configure O/B in Installer Setup. Based on last piece of equipment called (cooling = O or heating = B).
b
Red LED is on. See LED Indication section for more details.
c
If Installer Setup System Type is set to 2Heat/1Cool Heat Pump with Auxiliary Heat.
d
If Installer Setup System Type is set to 3Heat/2Cool Heat Pump with Auxiliary Heat.
e
This terminal does not energize if Installer Setup System type is set to 2 Heat/2 Cool Heat Pump with no Auxiliary Heat.
Second Stage Heat and Cool Control
While maintaining setpoint, several factors affect when 2nd
stage energizes such as load conditions, environmental
conditions, P+I control, and home insulation. The second
stage energizes when the thermostat senses 1st stage is
running at 90% capacity. This operation is droopless control.
Call for Action
None
None
Heat
Table 11. Sequence of Operation for Heat Pump Systems.
Call for Action
None
None
Stage 1 Cooling
Stage 1 and Stage 2 Cooling
None
Stage 1 Heating
Stage 1 and Stage 2 Heating
Stage 1, 2 and 3 Heating
None
Stage 1 Heating
Stage 1 and Stage 2 Heating
35
TM
VisionPRO 8000 Touchscreen Programmable Thermostat
Energize Terminals
Y
Y
W
Energize Terminals
a
O/B
a
O/B
a
Y, G, O/B
d a
Y, Y2 , G, O/B
a
O/B
a
Y, G, O/B
c a
Y, AUX , G, O/B
d e
Y, Y2 , AUX , G, O/B
b a
L , O/B
b a
E, G, L , O/B
b
E, AUX, G, L , O/B
Screen message
None
None
Heat On
Screen message
None
None
Cool On
Cool On
None
Heat On
Aux Heat On
Aux Heat On
a
None
Heat On
Aux. Heat On
a
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