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542DO60 REQUIRED CLEARANCES (Inches) <br /> Top of unit...................48 Blower access door end ....30 RETURN-AIR <br /> Compressor access door End opposite blower INLET <br /> 3 <br /> side.......................30 access end ..............12 -�4 16 <br /> �. Side opposite compressor Bottom of unit above 67 3 1SUPPLY-AIR 3 <br /> access door...............12 anticipated snow level.... 6 6 OUTLET 2032 <br /> 27 17 I I Illi 3 <br /> �!I 4 <br /> L---JIB`---J FILTER <br /> ACCESS <br /> I DOOR <br /> 4-1-j2 I I�158 <br /> 4 17 <br /> AIR <br /> 4 3 17 4 �INLET H000 <br /> CONTROL ACCESS DOOR DIA 2%A 45 <br /> BLOW-VOLTAGE 8HIGH-VOLTAGE INLET 11 683 <br /> COMPRESSOR INLET WITH MULTIPLE KNOCKOUTS 16 16 <br /> ACCESS DOOR <br /> 7 <br /> SLOTS 1118 is-2 BLOWER 13 <br /> FOR --� B ACCESS ACCESS <br /> ORK - DOOR DOOR 346LIFT 11 ,� 1 ACCESS 3013516 18 84 13� 354 DOOR 16 <br /> JF <br /> 2 ' <br /> F-23 33 <br /> 62 l 62 / 7�F21+�-25�►I 7 Ir-16—.I� 14 8 16 4 <br /> 19 19 <br /> 1632 28 I 1632 WDIAKNOCKOUT 27 \ 23 <br /> 11 1—ELECTRIC HEAT <br /> 3.4 3 B 3 64HIGH-VOLTAGE INLET <br /> 6116 6716 <br /> �3 MPT DRAIN A79072 <br /> 4CONNECTION <br /> Figure 4-542DO60 Dimensional Drawing <br /> C D C D C <br /> To Top P Model 54 <br /> / Model 542E Curb <br /> To View 2D <br /> A B A79115-A A B <br /> 542E Shipping Operating Corner Wt (lbs) <br /> Size Wt (lbs) Wt (lbs) A B C D <br /> 024 320 310 78 75 77 80 <br /> 030 334 324 81 78 81 84 A B <br /> 036 348 338 85 82 84 87 A7s11 A79116-A <br /> 042 453 443 111 107 110 115 <br /> 048 465 455 1 114 110 113 118 UNIT—MODEL 542DO60 <br /> 060 490 480 1 1201 1161 1201 1241 Shipping Wt Ibs) 703 <br /> Operating Wt Ibs 556 <br /> Figure 5-542E Corner Weights Unit Corner WtsObs) A I B I C D <br /> shown in Figure 3 for Model 542E and Figure 4 for Model 144 1 138 1 134 1 140 <br /> ROOF MOUNTING CURB P/N 304851-302 <br /> 542D Shipping WtObs) 120 <br /> CA114 aif � 1'�� '' �h Operating Wt(lbs) 113 <br /> tree„p11 � 4,I { � IncP Curb Corner Wt ObsT A B C D <br /> eB901 1° t��lglpplI� P� +10411 pil ,I r, rf ��' 27.5 27.5 1 29 1 29 <br /> UNIT&CURB <br /> The fan discharge is through the top of the unit. Do not I Combined Operating Wt lbs 669 <br /> locate the unit under a complete overhead obstruction.Mini- Curb Corner Wts with A B I C D <br /> mum clearance under a partial overhang (such as a normal Unit on Curb 154 164 1 181 170 <br /> house roof overhang) is 48 inches. Figure 6-542DO60 Corner Weights <br /> Be sure that the unit is located so that water, ice, or snow <br /> from an overhang or roof will not fall directly on the top of drain fitting. To prevent damage during the shipping and <br /> the unit and damage it.Be sure that grass, shrubs,or other moving of the unit, this fitting is shipped inside the unit <br /> plants do not interfere with the airflow into or out of the compressor compartment (secured with tape). Locate this <br /> unit. fitting and insert the nonthreaded end into the drain hose <br /> II. CONDENSATE AND DEFROST DISPOSAL located in the compressor compartment. See Figure 12. <br /> It is <br /> NOTE:Condensate and defrost water disposal methods must recommended that a 3-inch trap t installed in the <br /> comply with local codes, restrictions, and practices. drain line to avoid improper drainage and to prevent leakage <br /> of indoor air to the outdoors. See Figure 9. Make sure that <br /> Models 542D and 542E are designed to dispose of cooling the outlet of the trap is at least 2 inches lower than the unit <br /> cycle condensate water through a 3/4-inch MPT plastic drain pan connection to prevent the pan from overflowing. <br /> —3— <br />