Carrier 50SZ Series Installation, Start-up And Service Instructions Manual

Also see for 50SZ Series: Manual Product data

Contents

INSTALLATION1. Remove unit from shipping carton. Leave top shipping skid onthe unit as a spreader bar to prevent the rigging straps fromdamaging the unit. If the wood skid is not available, use aspreader bar of sufficient length to protect unit from damage.2. Position the lifting bracket assembly around the base of theunit. Be sure the strap does not twist.3. Place each of the 4 metal lifting brackets into the rigging holdsin the composite pan.4. Thread lifting bracket strapping around bottom perimeter ofunit as follows:a. Open lever of tension buckle (ratchet type).b. Feed strapping through tension buckle as shown in Fig. 8.c. Pull strapping through tension buckle unit taut.d. Snap lever down to lock strap in tension buckle. To releasestrapping, squeeze safety latch, lift lever, and pull webbingoutward.5. Tighten the tension buckle until it is taut. Lifting bracketsmust be secure in the rigging holds.6. Attach field-supplied clevis or hook of sufficient strength tohole in the lifting bracket (See Fig. 9).7. Attach the 2 safety straps directly to the clevis or hook at the4 rigging brackets. DO NOT attach the safety straps to thelifting brackets (See Fig. 9).8. Position lifting point directly over the unit’s center of gravity.9. Lift unit. When unit is directly over the roof curb, remove the2 safety straps. Lower the equipment onto the roof curb.Fig. 2—50SZ024-030 Unit DimensionsUNIT ELECTRICAL CHARACTERISTICS UNIT WEIGHT UNIT HEIGHTIN. (MM)”A”CENTER OF GRAVITYIN. (MM)lb. kg X Y Z50SZ024 208/230-1-60 343 156 39.02 (991) 20.0 (508) 19.3 (490) 17.6 (447)50SZ030 208/230-1-60 366 166 41.02 (1042) 20.0 (508) 14.0 (356) 13.0 (330)A05162R EQU I R ED C LEA R A N C E FOR OP ER ATI ON A N D SER VI C IN G INCHES [mm]EVAP. COIL ACCESS SIDE............................................................36.00 [914.0]POWER ENTRY SIDE....................................................................42.00 [1066.8](EXCEPT FOR NEC REQUIREMENTS)UNIT TOP .......................................................................................48.00 [1219.2]SIDE OPPOSITE DUCTS ..............................................................36.00 [914.0]DUCT PANEL .................................................................................12.00 [304.8] **MINIMUM DISTANCES: IF UNIT IS PLACED LESS THAN 304.8 [12.00] FROMWALL SYSTEM, THEN SYSTEM PERFORMANCE MAYBE COMPROMISE.R E QU I R E D C LEA R A N C E TO C OM B U S TIB L E M AT L.INCHES [mm]TOP OF UNIT...................................................................................14.00 [355.6]DUCT SIDE OF UNIT.........................................................................2.00 [50.8]SIDE OPPOSITE DUCTS ................................................................14.00 [355.6]BOTTOM OF UNIT .............................................................................0.50 [12.7]N E C . R E QU I R ED C LE A R A N C E S. INCHES [mm]BETWEEN UNITS, POWER ENTRY SIDE ....................................42.00 [1066.8]UNIT AND UNGROUNDED SURFACES, POWER ENTRY SIDE .36.00 [914.0]UNIT AND BLOCK OR CONCRETE WALLS AND OTHERGROUNDED SURFACES, POWER ENTRY SIDE.........................42.00 [1066.8]( R e f e r t o M a x i m um Ope r a t in g C l ear a nc e s )3