Bryant 311AAV Series 100 Installation, Start-Up, And Operating Instructions Manual page 23

Fig. 28–Dual Fuel Thermostat with Single-Stage Furnace
and Single-Speed Heat Pump
Fig. 30–Two-Stage Thermostat with Single-Stage Furnace
and Two-Speed Air Conditioner
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Fig. 29– Dual Fuel Thermostat with Single-Stage Furnace
1. Heat pump MUST have a high pressure switch for dual fuel
applications.
2. Refer to outdoor equipment Installation Instructions for additional
information and setup procedure.
3. Select the "ZONE" position on the two-speed heat pump control.
4. Outdoor Air Temperature Sensor must be attached in all dual fuel
applications.
5. Dip switch No. 1 on Thermidistat should be set in OFF position
for air conditioner installations. This is factory default.
6. Dip switch No. 1 on Thermidistat should be set inON position for
heat pump installations.
7. Dip switch No. 2 on Thermidistat should be set in OFF position
for single-speed compressor operation. This is factory default.
8. Dip switch No. 2 on Thermidistat should be set in ON position for
two-speed compressor operation.
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9. Configuration Option No. 10 "Dual Fuel Selection" must be
turnedON in all dual fuel applications.
10. NO connection should be made to the furnace HUM terminal
when using a Thermidistat.
11. The RVS Sensing terminal "L" should not be connected. This is
internally used to sense defrost operation.
12. DO NOT SELECT the "FURNACE INTERFACE" or "BAL-
ANCE POINT" option on the two-speed heat pump control board.
This is controlled internally by the Thermidistat/Dual Fuel Ther-
mostat.
13. Dip switch D on Dual Fuel Thermostat should be set in OFF
position for single-speed compressor operation. This is factory
default.
14. Dip switch D on Dual Fuel Thermostat should be set in ON
position for two-speed compressor operation.
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and Two-Speed Heat Pump
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