Lennox CBX27UH Installation Instructions Manual Download Page 12

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Page 12

506294−01

TO INCREASE MOTOR

SPEED, DISCONNECT GRN

WIRE AND CONNECT YEL

WIRE.

MOTOR SPEED

TAPS 1 AND 2

Figure 10. Motor Speed Taps (208/230V, Single Phase)

MOTOR SPEED

TAPS 1 AND 2

TO INCREASE MOTOR

SPEED, DISCONNECT GRN

WIRE AND CONNECT YEL

WIRE.

Figure 11. Motor Speed Taps 460V, 3−Phase, 60Hz Single Phase (−036, −048 and −060 only)

Summary of Contents for CBX27UH

Page 1: ...r reclaiming must be followed Fines and or incarceration may be levied for noncompliance INSTALLATION INSTRUCTIONS Elite Series CBX27UH Units MULTI POSITION AIR HANDLERS 506294 01 07 11 Supersedes 05...

Page 2: ...N LINE Return Air Opening SUPPLY AIR FILTER SUPPLY AIR TOP VIEW FRONT VIEW SIDE VIEW BLOWER A B C 11 1 16 281 F D E COIL 5 8 16 5 8 16 5 8 16 5 8 16 5 8 16 LOW VOLTAGE RIGHT SIDE LINE VOLTAGE LEFT SID...

Page 3: ...AND LEFT SIDE Horizontal Position Right Hand Air Discharge FILTER ACCESS FILTER ACCESS 5 3 4 146 1 1 2 38 1 3 4 44 CONDENSATE DRAINS 2 HORIZONTAL A 5 8 16 G H A 5 8 16 G 1 25 1 25 11 1 16 281 PIPING P...

Page 4: ...BLE REASSEMBLE AIR HANDLER UNITS The air handler units consists of two factory assembled sections It may be necessary to disassemble the sections when positioning the unit for installation To disassem...

Page 5: ...EW END VIEW ANGLE IRON OR SHEET METAL electrical inlet clearance 4 in 102 mm 1 2 in Screws Maximum Figure 3 Suspending Horizontal Unit IMPORTANT When removing the coil there is possible danger of equi...

Page 6: ...ccess door and replace it on the unit 13 Set unit so that it is sloped 1 4 toward the drain pan end of the unit Connect return and supply air plenums as required using sheet metal screws 14 If suspend...

Page 7: ...e both wet rags 8 Refer to instructions provided with outdoor unit for leak testing evacuating and charging procedures 9 Install access panel Table 2 Refrigerant Line Sizes Model Liquid Line Vapor Lin...

Page 8: ...TWO PART DESIGN FOR USE WHERE OBSTRUCTIONS PREVENT DIRECT THREADING SECONDARY DRAIN PAN 2 51MM TRAP DEPTH LENNOX P TRAP 49P66 REQUIRES A LARGER INSTALLATION SPACE THAN THE J TRAP 91P90 Figure 8 Typic...

Page 9: ...according to the job requirements 4 For best air performance external static pressure drop must not exceed 0 5 W C 1 2 kPa Refer to blower data tables for cfm and external static 5 Seal around the hol...

Page 10: ...213 1365 264 1485 325 30 815 101 970 136 1195 214 1310 265 1430 322 805 105 975 142 1210 219 1330 275 1445 337 40 750 106 915 148 1155 225 1275 273 1385 334 770 114 930 153 1170 231 1285 283 1405 345...

Page 11: ...to the low voltage terminal strip in the control section The speed can be increased by swapping wires as shown in figure 10 WIRING CONNECTIONS 1 Install line voltage power supply to unit from a prope...

Page 12: ...ND CONNECT YEL WIRE MOTOR SPEED TAPS 1 AND 2 Figure 10 Motor Speed Taps 208 230V Single Phase MOTOR SPEED TAPS 1 AND 2 TO INCREASE MOTOR SPEED DISCONNECT GRN WIRE AND CONNECT YEL WIRE Figure 11 Motor...

Page 13: ...Page 13 CBX27UH SERIES Figure 12 Typical System Wiring Diagram 208 230V Single and Three Phase...

Page 14: ...Page 14 506294 01 Figure 13 Typical System Wiring Diagram 460V Single and Three Phase 036 048 and 060 only...

Page 15: ...should be cut in an X pattern peeled open glued with an appropriate all purpose glue and placed back against the cabinet surface being careful to not overly compress the insulation so the insulation...