Carrier 50TCQD14 Installation Instructions Manual

Also see for 50TCQD: Installation instructions

Contents

19Units Without Factory--InstalledNon--Fused Disconnect —When installing units, provide a disconnect switch ofadequate size per NEC (National Electrical Code).Disconnect sizing data is provided on the unit informativeplate. Locate on unit cabinet or within sight of the unit pernational or local codes. Do not cover unit informativeplate if mounting the disconnect on the unit cabinet.Units with Factory--Installed Non--Fused Disconnect —The factory--installed option disconnect switch is locatedin a weatherproof enclosure located under the maincontrol box. The manual switch handle is accessiblethrough an opening in the access panel. Discard thefactory test leads (see Fig. 25). The factory disconnect isan 80A disconnect.C12324Fig. 28 -- Location of Non--Fused Disconnect EnclosureTo field install the NFD shaft and handle:1. Remove the unit front panel (see Fig. 2).2. Remove (3) hex screws on the NFD enclosure -- (2) onthe face of the cover and (1) on the bottom.3. Remove the front cover of the NFD enclosure.4. Make sure the NFD shipped from the factory is atOFF position (the arrow on the black handle knob isat OFF).5. Insert the shaft with the cross pin on the top of the shaftin the horizontal position.6. Measure the tip of the shaft to the top surface of thepointer to be 3.75 to 3.88 in. (95 to 99 mm) for 80Aand 100A NFD and 3.43 to 3.56 in. (87 to 90 mm) for200A NFD.7. Tighten the locking screw to secure the shaft to theNFD.8. Turn the handle to the OFF position with red arrowpointing at OFF.9. Install the handle on to the painted cover horizontallywith the red arrow pointing to the left.10. Secure the handle to the painted cover with (2) screwsand lock washers supplied.11. Engaging the shaft into the handle socket, re--install(3) hex screws on the NFD enclosure.12. Re--install the unit front panel.C12325Fig. 29 -- Handle and Shaft Assembly for NFDConvenience Outlets —ELECTRICAL OPERATION HAZARDFailure to follow this warning could result in personalinjury or death.Units with convenience outlet circuits may usemultiple disconnects. Check convenience outlet forpower status before opening unit for service. Locateits disconnect switch, if appropriate, and open it.Tag--out this switch, if necessary.! WARNINGTwo types of convenience outlets are offered on 50TCQDmodels: non--powered and unit--powered. Both types providea 125--volt GFCI (ground--fault circuit--interrupter) duplexreceptacle rated at 15--A behind a hinged waterproof accesscover, located on the panel beneath the control box. SeeFig. 30.Non--powered type: This type requires the fieldinstallation of a general--purpose 125--volt 15--A circuitpowered from a source elsewhere in the building. Observenational and local codes when selecting wire size andconduit requirements, fuse or breaker requirements anddisconnect switch size and location. Route 125--v powersupply conductors into the bottom of the utility boxcontaining the duplex receptacle.