Carrier 48ES Instruction Manual Page 1

148ES---AComfort t 13 SEER Single ---Packaged Air Conditionerand Gas Furnace System with Puron® (R---410A)RefrigerantSingle and Three Phase2 --- 5 N o

10Table 2 – Maximum Gas Flow Capacity*NOMINALIRON PIPESIZE (IN.)INTERNALDIAMETER(IN.)LENGTH OF PIPE FT (m)†10(3)20(6)30(9)40(12)50(15)60(18)70(21)80(2

11Horizontal Duct CoversA09061BasepanDownflow(Vertical)SupplyKnockout BasepanDownflow (Vertical)ReturnKnockout A09060Fig. 9 -- Supply and Return Duct

12Single phase units:1. Run the high--voltage (L1, L2) and ground lead into thecontrol box.2. Connect ground lead to chassis ground connection.3. Loca

13PRE--START--UPENVIRONMENTAL, FIRE, EXPLOSION,ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.1. Follow

14Pipe PlugManifoldA07679Fig. 11 -- Burner AssemblyMANIFOLDBURNERBURNER FLAMEC99021Fig. 12 -- Monoport BurnerCheck Heating ControlStart and check the

15REGULATOR COVER SCREWADJUSTMENTSCREWREGULATOR SPRING(PROPANE - WHITE)NATURAL - SILVER)GAS PRESSURE REGULATOR ADJUSTMENTMANIFOLD PRESSURE TAPINLET PR

16A09282Fig. 14 -- 208/230--1--60 Connection Wiring Diagram48ES-- A

17A09282Fig. 14 Cont. -- 208/230--1--60 Ladder Wiring Diagram48ES-- A

18A09264Fig. 15 -- 208/230--3--60 Connection Wiring Diagram48ES-- A

19A09264Fig. 15 Cont. -- 208/230--3--60 Ladder Wiring Diagram48ES-- A

2In Canada refer to the current editions of the National Standards ofCanada CAN/CSA--B149.1 and .2 Natural Gas and PropaneInstallation codes, and Cana

20A09265Fig. 16 -- 460--3--60 Connection Wiring Diagram48ES-- A

21A09265Fig. 16 Cont. -- 460--3--60 Ladder Wiring Diagram48ES-- A

22Normal OperationAn LED (light--emitting diode) indicator is provided on theintegrated gas unit controller (IGC) to monitor operation. The IGCis loca

23Proceed as follows:1. Remove caps from low-- and high--pressure service fittings.2. Using hoses with valve core depressors, attach low-- andhigh--pr

24Continuous Fan OperationWhen the DEHUM feature is not used, the continuous fan speedwill be the same as cooling fan speed. When the DEHUM featureis

25Table7–CoolingChargingChartA0849048ES-- A

26Table 8 – Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48ES--A24--60UNITHEATINGRISERANGEoF(oC)MOTORSPEEDWIRECOLOREXTERNAL STA TIC PRESSURE

27Table 8 -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48ES--A24--60UNITHEATING RISERANGEoF(oC)MOTORSPEEDWIRECOLOREXTERNAL STA TIC PRESSU

28Table 8 -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48ES--A24--60UNITHEATING RISERANGEoF(oC)MOTORSPEEDWIRECOLOREXTERNAL STA TIC PRESSU

29Table 8 -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48ES--A24--60UNITHEATING RISERANGEoF(oC)MOTORSPEEDWIRECOLOREXTERNAL STA TIC PRESSU

3A09448Fig. 2 -- 48ES--A24--36 Unit Dimensions48ES-- A

30Table 8 -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48ES--A24--60UNITHEATING RISERANGEoF(oC)MOTORSPEEDWIRECOLOREXTERNAL STA TIC PRESSU

31Table 8 -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48ES--A24--60UNITHEATING RISERANGEoF(oC)MOTORSPEEDWIRECOLOREXTERNAL STA TIC PRESSU

32Table 8 -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48ES--A24--60UNITHEATING RISERANGEoF(oC)MOTORSPEEDWIRECOLOREXTERNAL STA TIC PRESSU

33Table 9 – Dry Coil Air Delivery -- Downflow DischargeUNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3 0.4 0.5

34Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

35Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

36Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

37Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

38Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

39Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

4A09449Fig. 3 -- 48ES--A42--60 Unit Dimensions48ES-- A

40Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

41Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

42Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

43Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

44Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

45Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

46Table 9 -- Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3

47Table 10 – Wet Coil Pressure Drop (IN. W.C.)UNITSIZESTANDARD CFM (SCFM)600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2

48MAINTENANCETo ensure continuing high performance and to minimize thepossibility of premature equipment failure, periodic maintenancemust be performe

49g. Reinstall blower access panel (see Fig. 19).3. Restore electrical power to unit. Start unit and check forproper blower rotation and motor speeds

5RETURN AIR SMALLBASE UNITSUPPLYAIRLARGEBASE UNITUNIT PLACEMENT ON COMMON CURBLARGE CURBSMALL OR LARGE BASE UNITSMALL/COMMON CURBROOF CURB DETAILWood

50Removal of Gas TrainTo remove the gas train for servicing:1. Shut off main gas valve.2. Shut off power to unit and install lockout tag.3. Remove con

51MOTORFAN GRILLEMOTOR SHAFTAA08505MAX DISTANCE BETWEEN TOP OF FAN GRILLE AND BOTTOM OF FAN BLADESIZE“A”IN. MM24 7.3 18530 7.3 18536 7.3 18542 7.6 193

52NOTE: Because these switches are attached to refrigerationsystem under pressure, it is not advisable to remove this device fortroubleshooting unless

53PURONR (R--410A) QUICK REFERENCE GUIDES Puron refrigerant operates at 50--70 percent higher pressures than R--22. Be sure that servicing equipment a

54Table 13 – Troubleshooting ChartSYMPTOM CAUSE REMEDYCompressor and condenser fan will not start.Power failure Call power companyFuse blown or circui

55Table 14 – Troubleshooting Guide–HeatingSYMPTOM CAUSE REMEDYBurners will not igniteWater in gas line Drain. Install drip leg.No power to furnace Che

56START--UP CHECKLIST(Remove and Store in Job Files)I. PRELIMINARY INFORMATIONMODEL NO.:SERIAL NO.:DATE:TECHNICIAN:II. PRESTART--UP (Insert check mark

6OPTIONALRETURNAIROPENINGOPTIONALSUPPLYAIROPENINGEVAP. COIL COND. COIL2˝(50.8mm)A07926Fig. 5 -- Slab Mounting DetailsSlab MountPlace the unit on a sol

7ACCESS PANELS MUST BE IN PLACE WHEN RIGGING.PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION.50CY502286 2.0CAUTION - NOTICE TO RIGGERSPRUD

8Table 1 – Physical Data -- Unit 48ES--AUNIT SIZE 24040 24060 30040 30060 36060 36090 42060 42090NOMINAL CAP ACITY (ton) 2 2 2 --- 1 / 2 2 --- 1 / 2 3

9Step 6 — Connect Condensate DrainNOTE: When installing condensate drain connection be sure tocomply with local codes and restrictions.Model 48ES--A d