Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 48AY020-060, 48EW, 48EY024-068, 48EK, 48AK, 48AJ, 48EJ Base Unit Dimensions — 48AW,AY035-050

Models: 48EJ 48AJ 48AK 48EK 48AY020-060 48AW 48EY024-068 48EW

1 118

Download 118 pages 46.64 Kb

Page 11

Fig. 9 — Base Unit Dimensions — 48AW,AY035-050

NOTES:

1.Weights include economizer (standard).

2. Center of Gravity.

3.Do not locate adjacent units with flue discharge facing economizer inlet.

Min Clearances to be:

Adjacent Units: 15′-0″[4572].

Top of Units: No Overhang.

Condenser Coil: 4′-0″[1219].

Economizer Side: 6′-0″[1829].

Heat Side: 4′-0″[1219].

Filter Access Side: 10′-0″[3048]. (For removal of evaporator coil.)

4.For smaller service and operational clearances contact Carrier Application Engineering Department.

5.Dimensions are in inches [mm].

11

	OPERATING	A	B	CORNER WEIGHT (lbs)
UNIT SIZE	WEIGHT*	(ft-in.)	(ft-in.)
	(lbs)	(ft-in.)	(ft-in.)	1	2	3	4
	(lbs)			1	2	3	4
48AW/AY (Low Heat) 035	6044	7- 811/16	3-107/8	1389	1217	1606	1832
48AW (High Heat) 035	6204	7-101/8	3-113/16	1456	1259	1617	1871
48AW/AY (Low Heat) 040	6554	7- 311/16	3-107/8	1451	1271	1790	2042
48AW (High Heat) 040	6714	7- 613/16	3-113/16	1521	1315	1798	2080
48AW/AY (Low Heat) 050	6765	7- 311/16	3-101/2	1458	1301	1889	2117
48AW (High Heat) 050	6925	7- 53/16	3-1013/16	1528	1345	1897	2155

	OPERATING			CORNER WEIGHT (kg)
UNIT SIZE	WEIGHT*	A (mm)	B (mm)
	(kg)			1	2	3	4
48AW/AY (Low Heat) 035	2741	2355	1191	630	552	728	831
48AW (High Heat) 035	2814	2390	1199	661	571	734	849
48AW/AY (Low Heat) 040	2973	2268	1191	658	577	812	926
48AW (High Heat) 040	3045	2306	1199	690	596	816	944
48AW/AY (Low Heat) 050	3069	2228	1181	661	590	857	960
48AW (High Heat) 050	3141	2266	1189	693	610	860	977

Fig. 9 — Base Unit Dimensions — 48AW,AY035-050

Image 11

Carrier 48AY020-060, 48EW, 48EY024-068, 48EK, 48AK, 48AJ, 48EJ specifications Base Unit Dimensions — 48AW,AY035-050

Contents

Step 11 — Position Power Exhaust/Barometric CONTENTSSAFETY CONSIDERATIONS INSTALLATION Step 1 — Provide Unit SupportStep 4 — Make Unit Duct Connections Page Page Page NOTES Fig. 5 - Base Unit Dimensions - 48AJ,AK020-030 Fig. 6 — Base Unit Dimensions — 48AJ,AK035-050 Fig. 7 — Base Unit Dimensions — 48AJ,AK060 Fig. 8 — Base Unit Dimensions — 48AW,AY020-030 Fig. 9 — Base Unit Dimensions — 48AW,AY035-050 Fig. 10 — Base Unit Dimensions — 48W,AY060 Fig. 11 — Base Unit Dimensions — 48EJ,EK024-034 Fig. 12 — Base Unit Dimensions — 48EJ,EK038-048 Fig. 13 — Base Unit Dimensions — 48EJ,EK054-068 Fig. 14 — Base Unit Dimensions — 48EW,EY024-034 Fig. 15 — Base Unit Dimensions — 48EW,EY038-048 Fig. 16 — Base Unit Dimensions — 48EW,EY054-068 Fig. 17 — Rigging Information Fig. 17 — Rigging Information cont Table 1A — Physical Data — 48AJ,AK,AW,AY Units UNIT 48AJ,AK,AW,AY Table 1B — Physical Data — 48EJ,EK,EW,EY Units UNIT 48EJ,EK,EW,EY UNIT 48EJ,EK,EW,EY 48EJ,EK,EW,EY Units Table 2 — Operating Weights48AJ,AK,AW,AY Units Fig. 19 — Air Distribution — Thru-the-Side Table 3 — Evaporator Fan Motor DataFig. 18 — Air Distribution — Thru-the-Bottom Step 5 — Install Flue Hood Table 4 — 48A,E Series Staged Gas Implementation Fig. 23 — Field Gas PipingTable 6 - Thermistor Designations Fig. 24 — Supply-AirThermistor Connections Fig. 26 — Field Control Remote Start/Stop Fig. 25 — Indoor Air Quality Sensor ConfigurationStep 9 - Make Electrical Connections Fig. 27 — Control Board Diagram Table 7 — Electrical Data — 48AJ,AK,AW,AY Units UNIT SIZE 30.8/28.0 236.3/230.9 Table 8 — Electrical Data — 48EJ,EK,EW,EY Units 30.8 0.96 UNIT Fig. 28 - Field Power Wiring Connections LEGEND Thermostat Wiring CV Only- Install a Carrier-approvedaccessory thermostat assembly per current price pages according to the installation instructions included with the ac- cessory or these instructions. Locate the thermostat on a solid interior wall in the conditioned space to sense the average temperature LEGEND Table 9 — CCN Connection Approved Shielded Cables Fig. 32 — Field Control Thermostat WiringFig. 33 — Field Control Temperature Sensor Wiring CV or VAV UnitsFig. 35 — Field HIR Heat Interlock Relay Wiring Step 10 — Make Outdoor-AirInlet AdjustmentsFig. 34 - Space Temperature Averaging Wiring Right Side/Center Economizer Hood Shown Fig. 37 - Economizer Hood AssemblyFig. 36 — Adding Seal Strip to Top of Hood Sides Fig. 40 — Adding Foam Strip to Cross Member Fig. 38 — Adding Seal Strip to Sides of Hood TopMounting Flange Fig. 39 — Adding Seal Strip to Back of Hood TopFig. 44 — Mounting Angle With Tabs Attached to Attached to Filter Track AssemblyFilter Track Assembly Fig. 43 - Mounting Angle Without TabsSave screws Fig. 47 - Wiring Connections for Solid-StateEnthalpy Control HH57AC077 CURVE Fig. 49 - Economizer DetailsCONTROL CONTROL POINT48AJ,AK,AW,AY060 and 48EJ,EK,EW,EY054-068 Fig. 51 - Pressure Transducer Locations48AJ,AK,AW,AY020-030and 48EJ,EK,EW,EY024-034 Fig. 52 - Motormaster III Control Baffle DetailsFig. 53A — Motormaster III Sensor Location 48AJ,AK,AW,AY040, 050 and 48EJ,EK,EW,EY048 Fig. 53B — Motormaster III Sensor Location48AJ,AK,AW,AY035 and 48EJ,EK,EW,EY038 Fig. 53C — Motormaster III Sensor LocationFig. 54 — Side Return Air Conversion Step 13 — Field ModificationsSTART-UP Fig. 56 — Wiring Field-SuppliedUnloaders forConstant Volume Units Fig. 57 — Toshiba TOSVERT130-E3VFD Factory-InstalledJumpers13.Replace jumper across terminals ST and CC 13.Replace jumper across terminals R and CC Optional Field Wiring LEGEND Typical Factory WiringSee below for building pressure to signal level Table 17 — DIP Switch Configuration Table 18 — DIP Switch Factory Settings AIRFLOW AIRFLOW AIRFLOW 1.06 2.15 3.18 4.81 AIRFLOW AIRFLOW AIRFLOW AIRFLOW AIRFLOW AIRFLOW Table 34 — Air Quality Limits Table 33 — Motor LimitationsSequence of Operation Table 36 - Software Control Link Points Table 35 — User Defined Set PointsThe Time Guard function maintains a minimum off time of 5 minutes, a minimum ON time of 10 seconds, and a minimum delay before starting the second compressor of 10 seconds Fig. 59 — Heat Interlock Relay Wiring Table 38 — Stage Gas System Inputs/Outputs Table 37 — Staged Gas System ComponentsTable 39 — Navigator Display Menu Structure Fig. 60 — Navigator DisplayOperation and Controlling Factors Fig. 61 — Space Temperature Reset WiringTable 40 — Occupied Heat and Morning Warm-Up Fig. 62 - Field-SuppliedSmoke Detector Wiring Units with 2 Compressors Table 41 — Smoke Control ModesTable 42 — Cooling Capacity Staging Table, CV Fig. 63 — Door Latch SERVICEFig. 64 — Spark Gap Adjustment Fig. 66 — Gas Heat Section Details Fig. 65 — Typical Gas Heating SectionFig. 68 — Evaporator Fan Coupling Fig. 67 — Evaporator-FanAlignment and AdjustmentLubrication Condenser-FanAdjustment Evaporator Fan Service and ReplacementBelt Tension Adjustment — To adjust belt tension Evaporator-FanMotor Replacement48EJ,EK,EW,EY024-034 Gas Valve AdjustmentFig. 71 — Cooling Charging Chart Fig. 72 — Cooling Charging Chart48AJ,AK,AW,AY020-060 Fig. 73 — Cooling Charging ChartFig. 74 — Cooling Charging Chart 48EJ,EK,EW,EY054-068Protective Devices LEGEND for Fig. 77-83— Typical Wiring SchematicsTABLE 1A Fig. 78 — Typical 48EK VAV 24-VControl Circuit Fig. 79 — Typical CV 24-VControl Circuit Fig. 80 — Typical 48EK VAV 115-VControl Circuit Fig. 81 — Typical 48EJ CV 115-VControl Circuit Page Page TROUBLESHOOTING LEGEND FPS — Freeze Protection SwitchHPS - High-PressureSwitch LPS - Low-PressureSwitchcompressor LPS — Low-PressureSwitch LEGEND FPS — Freeze Protection SwitchHPS — High-PressureSwitch 8-Pass LPS — Low-PressureSwitch LEGEND FPS — Freeze Protection SwitchHPS — High-PressureSwitch TXV — Thermostatic Expansion Valve LEGEND HPS — High-PressureSwitchLPS — Low-PressureSwitch TXV — Thermostatic Expansion Valve HPS - High-PressureSwitchLPS — Low-PressureSwitch LEGENDTXV — Thermostatic Expansion Valve LEGEND HPS — High-PressureSwitchLPS — Low-PressureSwitch TXV — Thermostatic Expansion Valve LEGEND HPS — High-PressureSwitchLPS — Low-PressureSwitch IGC — Integrated Gas Unit Controller Fig. 94 — IGC Control Heating and CoolingLEGEND IDM — Induced-DraftMotor Table 45 — Control Board LED Alarms Table 44 - IGC Control Board LED AlarmsPage CALL FOR FREE CATALOG SERVICE TRAININGELECTRICAL START-UPCHECKLISTTEMPERATURES PRE-START-UPGENERAL