Carrier PG95ESA Installation, Start-Up, Operating And Service And Maintenance Instructions page 30

NOTES FOR THERMOSTAT WIRING DIAGRAMS
1. Heat pump MUST have a high pressure switch for HYBRID HEATr dual fuel applications.
2. Refer to outdoor equipment Installation Instructions for additional information and setup procedure.
3. If the heat pump date code is 1501E or earlier, select the "ZONE" position on the two speed heat pump control. Heat pumps with date
code 1601E and later do not have or require a "ZONE" selection.
4. Outdoor Air Temperature Sensor must be attached in all HYBRID HEATr dual fuel applications.
5. Configure the thermostat for air conditioner installations. Refer to thermostat instructions.
6. Configure thermostat for heat pump installations. Refer to thermostat instructions.
7. Configure thermostat for single-stage compressor operation. Refer to thermostat instructions.
8. Configure thermostat for HYBRID HEATr dual fuel operation. Refer to thermostat instructions.
9. NO connection should be made to the furnace HUM terminal when using a thermostat with a 24 volt humidifier output.
10. The RVS Sensing terminal "L" should not be connected. This is used internally to sense defrost operation.
11. If thermostat has internal control of heat pump balance point, DO NOT SELECT the "FURNACE INTERFACE" or "BALANCE
POINT" option on the two- -speed heat pump control board. Refer to thermostat instructions.
12. Thermostat signals may vary. Consult thermostat installation instructions for more information.
NOTICE
OPTIONAL VENTING BELOW THE FURNACE
The venting system may be positioned below the furnace
ONLY IF the factory accessory External Vent Trap Kit is used.
The External Vent Trap Kit is only approved for PVC/ABS
DWV venting systems.
CAREFULLY FOLLOW
PROVIDED WITH THE EXTERNAL VENT TRAP KIT
FOR LAYING OUT THE VENTING SYSTEM AND
THE DRAIN SYSTEM. The instructions included with this
furnace DO NOT APPLY to vent systems that are located
below the furnace.
Fig. 38 - - Thermostat Wiring Diagrams
THE INSTRUCTIONS
NOTICE
RECOMMENDED SUPPORT FOR
VENT TERMINATIONS
It is recommended that sidewall vent terminations in excess of
24 inches (0.6 M) or rooftop terminations in excess of 36
inches (1 M) in vertical length be supported by EITHER the
Direct Vent Termination Kit shown in Table 12 or by
field- -supplied brackets or supports fastened to the structure.
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