Carrier WeatherMaker 50TCQ07 Installation Instructions Manual

Also see for WeatherMaker 50TCQ*07: Product data

16Fig. 23 — Typical 50TCQ 07 Power Wiring Diagram (208/230v-3 Ph-60 Hz Unit Shown)UNITS WITH FACTORY-INSTALLED NON-FUSEDDISCONNECTThe factory-installed option non-fused disconnect (NFD)switch is located in a weatherproof enclosure located under themain control box. The manual switch handle and shaft areshipped in the disconnect enclosure. Assemble the shaft andhandle to the switch at this point. Discard the factory test leads(see Fig. 20).Connect field power supply conductors to LINE side terminalswhen the switch enclosure cover is removed to attach the handle.Field-Install the NFD Shaft and Handle1. Remove the Control Box access panel. The NFD enclo-sure is located below the Control Box (see Fig. 24).2. Remove (3) cap head screws that secure the NFD enclo-sure front cover — (2) on the face of the cover and (1) onthe left side cover. See Fig. 25.3. Remove the front cover of the NFD enclosure.4. Make sure the NFD shipped from the factory is at OFFposition (the arrow on the black handle knob is at OFF).5. Insert the shaft with the cross pin on the top of the shaft inthe horizontal position. See Fig. 25.6. Measure from the tip of the shaft to the top surface of theblack pointer; the measurement should be 3.75 to 3.88 in.(95 to 99 mm).7. Tighten the locking screw to secure the shaft to the NFD.8. Turn the handle to the OFF position with red arrow point-ing at OFF.9. Install the handle on to the painted cover horizontally withthe red arrow pointing to the left.10. Secure the handle to the painted cover with (2) screws andlock washers supplied.11. Engaging the shaft into the handle socket, re-install (3) caphead screws on the NFD enclosure.12. Re-install the unit front panel.