Page 3 - Step 4—Set Thermidistat Control Configuration
6. d2—for 2-speed dual fuel 7. HS—for special 3-stage auxiliary heat with FK4C Fan Coil and 1-speed heat pump When this identifier disappears, normal operation begins. TheMODE control should be set to OFF and FAN control to AUTO,so equipment does not start until further configuration and check-out i...
Page 5 - Table 1—W1 / W2 Outputs; SELECTION; Neither W1 or W2 is turned on.
prevents direct transition from heat pump to furnace operation.When system is dual fuel (heat pump and furnace), set to ON.When system contains fan coil, set to OF. Factory default is OF(off). TO SELECT: 1. Enter configuration mode if not already there. See Step 4 "To Enter Configuration Mode....
Page 6 - Step 5—System Start-Up and Checkout; Table 2—Equipment Outputs
3. Use up or down buttons to move between -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, or 5 on large display. Factory default is 0. 4. Press SET TIME/TEMP button again to flash upper small display for selection of another option, or press END to exitconfiguration mode. Option 14—Heat/Cool Dead Band Adjustment...
Page 7 - Table 4—Humidification Selections
off by pressing MODE button until OFF appears. Actual outputsfor different equipment types are listed in Table 2. Step 6—Final Settings Be sure to return DIP switch No. 4 back to OFF position to exitinstaller setup mode. Assuming system is to be left in operationafter installation is complete, use M...
Page 8 - Table 5—Dehumidification Selections
depending on equipment type and dehumidify selection choice.The 3 available selections are described below. The amount of extra dehumidification available is very dependenton the type of equipment in the home. Without a variable-speedblower, the system’s ability to adjust dehumidification is verylim...
Page 9 - OPERATIONAL INFORMATION; Fig. 6—Wiring Diagram Reference Chart
dehumidify. With this selection, the blower stops when G signal isremoved, preventing re-evaporation of water from the coil whichwould occur during the normal 90 sec blower off delay. See Table6 and Fig. 6 through 9. On 58UHV and 58UXV Furnaces, a green wire marked DHUM isconnected to a spade lug wh...
Page 12 - -Speed Air Conditioner
Fig. 12—Single-Stage Furnace With 1-Speed Heat Pump (Dual Fuel) A97393 O/ W2 W/ W1 Y1/ W2 G R THERMIDISTAT 1-STAGE FURNACE 1-SPEED HEAT PUMP W G Y C Y W2 R O C DHUM HUM B S1 S2 R C HEAT STAGE 2 (FURNACE) HEAT/COOL STAGE 1 (COMPRESSOR) RVS COOLING N/A FAN 24 VAC HOT 24 VAC COMM N/A HUMIDIFY N/A OUTDO...
Page 16 - WIRING DIAGRAM NOTES; Thermidistat Control Troubleshooting
HUMIDIFY/DEHUMIDIFY OUTPUT ON INDICATORS Within humidity select screen (selected by Humidity button andindicated by "hu" or "dhu" on clock display), triangle underhumidity setpoint will be on while humidify output is on. Triangleunder dehumidify setpoint will be on while dehumidify o...