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Carrier 50LJQ008, 012 Ð Indoor-FanPulley Adjustment, Ð Belt-DriveMotor Mounting

Models: 012 50LJQ008

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MOTOR MOUNTING

NUTS AND BOLTS

Fig. 19 Ð Indoor-Fan Pulley Adjustment

Fig. 18 Ð Belt-Drive Motor Mounting

Table 5A Ð Fan R/s at Motor Pulley Settings (SI)

50LJQ				MOTOR PULLEY TURNS OPEN
50LJQ	0	1¤2	1	11¤2	2	21¤2	3	31¤2	4	41¤2	5
	0	1¤2	1	11¤2	2	21¤2	3	31¤2	4	41¤2	5
008	14.70	14.26	13.82	13.38	12.94	12.50	12.06	11.62	11.18	10.74	10.30
012	15.00	14.65	14.30	13.95	13.60	13.25	12.90	12.55	12.20	11.85	11.50

Table 5B Ð Fan Rpm at Motor Pulley Settings (English)

50LJQ				MOTOR PULLEY TURNS OPEN
50LJQ	0	1¤2	1	1¤2	2	21¤2	3	31¤2	4	41¤2	5
	0	1¤2	1	1¤2	2	21¤2	3	31¤2	4	41¤2	5
008	882	856	830	804	778	752	726	700	674	648	622
012	896	875	855	834	814	794	774	753	733	712	692

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Carrier 50LJQ008, 012 Ð Indoor-FanPulley Adjustment, Ð Belt-DriveMotor Mounting, A Ð Fan R/s at Motor Pulley Settings SI

Contents

INSTALLATION CONTENTSSAFETY CONSIDERATIONS Step 1 Ð Provide Unit Support``F POWER Fig. 1 Ð Roof Curb DimensionsROOF CURB ``A UNIT SIZE ACCESSORY 50DJ901371 CONNECTORFig. 4 Ð Rigging Details Fig. 2 Ð Unit Leveling ToleranceFig. 3 Ð External Trap Condensate Drain Table 1A Ð Physical Data SI Table 1B Ð Physical Data English Fig. 5 Ð Base Unit Dimensions FOR FIG Step 5 Ð Make Electrical ConnectionsFig. 6 Ð Power Wiring Connections Single Point Kit 50DJ902021 and 50DJ902071Single Point Kit 50DJ902041 and 50DJ902101 Single Point Kit 50DJ902061 and 50DJ902121LEGEND FOR FIG Single Point Kit 50DJ902031 and 50DJ902081Single Point Kit 50DJ902051 and 50DJ902111 FOR FIG Single Point Kit 50DJ902091Single Point Kit 50DJ902131 Table 2 Ð Electrical Data Fig. 15 Ð Component Location Fig. 14 Ð Conduit InstallationTable 3 Ð American/European Wire Conversions Table 4 Ð Unit VoltageFig. 16 Ð Field Wiring Connections Fig. 17 Ð Field Control Wiring RacewayFig. 18 Ð Belt-DriveMotor Mounting Fig. 19 Ð Indoor-FanPulley AdjustmentTable 5A Ð Fan R/s at Motor Pulley Settings SI AIRFLOW AIRFLOW START-UP Operating Sequence See FigFig. 20 Ð Typical Operating Sequence Fig. 22 Ð Propping Up Top Panel SERVICEFig. 21 Ð Cleaning Outdoor Coil Fig. 23 Ð Separating Coil SectionsLubrication Outdoor-FanAdjustment FigFig.24 Ð Outdoor-FanAdjustment Fig. 25 Ð Cooling Charging Charts, 50LJQ008 Fig. 26 Ð Cooling Charging Charts, 50LJQ012Page Page Form 50LJQ-C1SI Copyright 1992 Carrier CorporationCatalog No 1-92