Manuals / Carrier / Household Appliance / Air Conditioner

Carrier EW, 48EJ, EK Notice To Riggers All Panels Must Be In Place, When Rigging, Ð Rigging Label

Models: EY024-048 EK 48EJ

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NOTICE TO RIGGERS:

UNIT	WEIGHT		A				B			C
UNIT	lb	kg	in.		mm	in.		mm	in.		mm
	lb	kg	in.		mm	in.		mm	in.		mm
48EJ,EK,EW,EYD024	4176	1894				72.4		1839	42.4		1072
48EJ,EWE024	4256	1930				73.3		1862	42.7		1085
48EJ,EK,EW,EYD028
48EJ,EK,EW,EYD030	4262	1933	87.68		2227	69.6		1768	44.0		1118
48EJ,EK,EW,EYD034			87.68		2227
48EJ,EK,EW,EYD034
48EJ,EWE028
48EJ,EWE030	4342	1969				70.1		1781	44.3		1125
48EJ,EWE034
48EJ,EK,EW,EYD038	4442	2015				92.7		2355	46.9		1191
48EJ,EWE038	4602	2087				94.1		2390	47.2		1199
48EJ,EK,EW,EYD044	4668	2117	150		3810	89.3		2268	46.9		1191
48EJ,EWE044	4828	2190	150		3810	90.8		2306	47.2		1199
48EJ,EWE044	4828	2190				90.8		2306	47.2		1199
48EJ,EK,EW,EYD048	4955	2248				87.7		2228	46.5		1181
48EJ,EWE048	5115	2320				89.2		2266	46.8		1189

NOTICE TO RIGGERS:

ALL PANELS MUST BE IN PLACE

WHEN RIGGING.

NOTE: Rig with four cables and spread with two 92 in. (2337 mm) spreader bars. Maintain a dis- tance of 74 in. (1880 mm) from top of unit to eyehook.

NOTE:

Add 32 lb (14.5 kg) for domestic crating.

Add 312 lb (142 kg) for export crating (024-034 units).

Add 346 lb (157 kg) for export crating (038-048 units).

Add 250 lb (113 kg) for power exhaust.

Add 220 lb (100 kg) for copper condenser coil (024-034 units).

Add 285 lb (129 kg) for copper condenser coil (038,044 units).

Add 380 lb (172 kg) for copper condenser coil (048 unit).

Fig. 7 Ð Rigging Label

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Carrier EW, 48EJ, EK, EY024-048 Notice To Riggers All Panels Must Be In Place, When Rigging, Ð Rigging Label

Contents

SAFETY CONSIDERATIONS CONTENTSINSTALLATION Step 1 Ð Provide Unit Support Step 10 Ð Position Power Exhaust/BarometricInstructions continued on page Step 3 Ð Field Fabricate DuctworkFig. 1 Ð Roof Curb Sizes UNIT LEVELING TOLERANCES DIMENSIONSDegrees and Inches Fig. 2 Ð Roof Curb Sizes UNIT LEVELING TOLERANCES DIMENSIONSDegrees and Inches Fig. 3 Ð Base Unit Dimensions, 48EJ,EK024-034 Fig. 4 Ð Base Unit Dimensions, 48EJ,EK038-048 Fig. 5 Ð Base Unit Dimensions, 48EW,EY024-034 Fig. 6 Ð Base Unit Dimensions, 48EW,EY038-048 WHEN RIGGING NOTICE TO RIGGERS ALL PANELS MUST BE IN PLACEFig. 7 Ð Rigging Label Table 1 Ð Physical Data Table 1 Ð Physical Data cont Fig. 8 Ð Air Distribution Ð Thru-the-Bottom Fig. 9 Ð Air Distribution Ð Thru-the-SideFig. 10 Ð Flue Hood Location Fig. 12 Ð Condensate Drain Trap Piping Details Fig. 11 Ð Combustion Fan Housing LocationTypical Roof Curb or Slab Mount Shown Fig. 13 Ð Field Gas Piping·support a eld test for eld checkout Fig. 15 Ð Indoor Air Quality Sensor Conguration Fig. 14 Ð Field Control Remote Start/StopStep 8 Ð Make Electrical Connections Fig. 16 Ð Control Board Diagram Table 4 Ð Electrical Data Table 4 Ð Electrical Data cont UNIT Table 4 Ð Electrical Data contFig. 18 Ð Control Box Diagram Sizes Fig. 17 Ð Field Power Wiring ConnectionsFig. 21 Ð Field Control Temperature Sensor Wiring Fig. 19 Ð Control Box Diagram SizesFig. 20 Ð Field Control Thermostat Wiring CV or VAV UnitsTable 5 Ð CCN Connection Approved Shielded Cables Fig. 22 Ð Space Temperature Averaging WiringTable 6 Ð Color Code Recommendations Step 9 Ð Make Outdoor-AirInlet AdjustmentsFig. 25 Ð Adding Seal Strip to Mounting Flange of Fig. 23 Ð Adding Seal Strip to Top of Hood SidesHood Sides Fig. 26 Ð Adding Seal Strip to Hood TopFig. 28 Ð Adding Foam Strip to Hood Side to Filter Track AssemblyFig. 29 Ð Adding Foam Strip to Blockoff Baffle Fig. 30 Ð Mounting Angle Without Tabs AttachedFilter Track Assembly Fig. 31 Ð Mounting Angle With Tabs Attached toFig. 32 Ð Attaching Seal Strip to Filter Cover Fig. 35 Ð Psychrometric Chart for Fig. 34 Ð Wiring Connections for Solid-StateEnthalpy Control HH57AC077 Enthalpy ControlExhaust Mounting Details Fig. 37 Ð Barometric Relief Damper and PowerFig. 39 Ð Motormaster III Baffle Details Fig. 38 Ð Pressure Transducer LocationsSTART-UP Table 7 Ð VFD Supply Air Pressure Set Point Fig. 41 Ð VFD Factory-InstalledJumpersTable 8 Ð Potentiometer Signal Levels Direct Digital Controls DIP Switch ConguraTable 9 Ð Power Exhaust Default Set Points Table 10 Ð DIP Switch CongurationTable 11 Ð DIP Switch Factory Settings AIRFLOW AIRFLOW 3.20 Table 16 Ð Motor Limitations Table 15 Ð Fan Performance Ð Power ExhaustTable 17 Ð Air Quantity Limits Sequence of OperationTable 18 Ð User Dened Set Points GAS HEATING, VARIABLE AIR VOLUME VAV UNITS Fig. 43 Ð Space Temperature Reset Wiring Fig. 42 Ð Heat Interlock Relay WiringTable 19 Ð Smoke Control Modes Fig. 44 Ð Field-SuppliedSmoke Detector Wiringwith 2 Compressors SERVICEwith 2 Compressors and 2 Unloaders Fig. 45 Ð Door LatchLubrication Fig. 46 Ð Spark Gap AdjustmentBelt Tension Adjustment Ð To adjust belt tension Evaporator Fan Service and ReplacementEvaporator Fan Performance Adjustment Fig. 47 Ð Typical Gas Heating SectionCondenser-FanAdjustment Evaporator-FanMotor ReplacementGas Valve Adjustment Fig. 49 Ð Evaporator-FanAlignment and AdjustmentFig. 51 Ð Condenser-FanAdjustment Fig. 50 Ð Belt Tension AdjustmentFig. 52 Ð Cooling Charging Chart Fig. 53 Ð Cooling Charging ChartFig. 54 Ð Gas Valve Fig. 55 Ð Main Burner Removal Ð Adjustable Heat Anticipator Page Fig. 57 Ð Typical VAV 115-vControl Circuit Fig. 58 Ð Typical CV 115-vControl Circuit Fig. 59 Ð Typical VAV 24-vControl Circuit Fig. 60 Ð Typical CV 24-vControl Circuit TROUBLESHOOTING LEGEND FPS Ð Freeze Protection Switch HPS Ð High-PressureSwitchLPS Ð Low-PressureSwitch LEGEND FPS Ð Freeze Protection Switch HPS Ð High-PressureSwitchLPS Ð Low-PressureSwitch Fig. 64 Ð IGC Control Heating and Cooling LEGEND IDM Ð Induced-DraftMotorIGC Ð Integrated Gas Unit Controller Table 23 Ð Control Board LED Alarms Table 22 Ð IGC Control Board LED AlarmsPage PACKAGED SERVICE TRAINING PRE-START-UP TEMPERATURESELECTRICAL PRESSURESGENERAL