
Manual 2100-729
Page
16 of 40
Y2 which then increases the blower speed back to the
selected speed. See pages 33 – 35 for blower speed
selection options.
Refer to page 21 for additional Balanced Climate
requirements and limitations.
Ventilation Features (Optional)
See ventilation instructions provided with unit for low
voltage wiring.
Standard Units
Units w/
Economizers
Fan Only
Energize G
Energize G
1st Stage
Cooling Mode/
Balanced Climate
Energize Y1, G
Energize Y1, G
2nd Stage
Cooling Mode
Energize Y2 to
overide Balanced
Climate mode
when Y1-Y2
jumper is
removed
Energize Y1, Y2, G
1st Stage Heating
Energize B/W1
Energize B/W1
2nd Stage Heating
(if employed)
Energize B/W1, W2
Energize B/W1, W2
Ventilation
Energize A
Energize A
Dehumidification
(if employed)
Energize D
Energize D
Emergency Heat
Energize G, W2,
W3
Energize G, W2,
W3
TABLE 3
Low Voltage Connections