Carrier 48EZ(N)-A Manuel d'instructions

148EZ(N) ---AComfort t 13 SEER Single---Packaged HYBRID HEATrDual Fuel System with Puron® (R---410A) RefrigerantSingle and Three Phase2 --- 5 N o m i

10Table 1 – Physical Data -- Unit 48EZ--AUNIT SIZE 48EZ --- A 24040 24060 30040 30060 36060 36090 42060 42090NOMINAL CAPACITY --- ton 2 2 2 --- 1 / 2

11Table 1 -- Physical Data -- Unit 48EZ--A (Cont’d)UNIT SIZE 48EZ --- A 48090 48115 48130 60090 60115 60130NOMINAL CAPACITY --- ton 4 4 4 5 5 5OPERATI

12Step 10 — Install Electrical ConnectionsELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injuryor death.The unit cabin

13Control Voltage ConnectionsDo not use any type of power--stealing thermostat. Unit controlproblems may result.Use no. 18 American Wire Gage (AWG) co

14FIRE, EXPLOSION HAZARDFailure to follow this warning could result in personal injury,death or property damage.Do notpurge gassupply intothecombustio

152. Set the heating temperature control of the thermostat aboveroom temperature.3. The induced--draft motor will start.4. On a call for heating, the

163. Record number of seconds for gas meter test dial to makeone revolution.4. Divide number of seconds in Step 3 into 3600 (number ofseconds in one h

17Table 5 – LED IndicationsSTATUS CODE LED INDICATIONNormal Operation2OnNo Power or Hardware Failure OffLimit Switch Fault 2 FlashesFlame Sense Fault

18NOTE: Be sure that all supply--and return--air grilles are open,free from obstructions, and adjusted properly.ELECTRICAL SHOCK AND EXPLOSION HAZARDF

19Table 7 – Dry Coil Air Delivery* -- Horizontal Discharge-- Unit 48EZ--A24--60UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL ST ATIC PRESSURE (in.

2the most serious hazards which will result in severe personal injuryor death. WARNING signifies hazards which could result in per-sonal injury or dea

20Table 7 (cont) -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48EZ--A24--60UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL ST ATIC PRESS

21Table 7 (cont) -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48EZ--A24--60UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL ST ATIC PRESS

22Table 7 (cont) -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48EZ--A24--60UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL ST ATIC PRESS

23Table 7 (cont) -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48EZ--A24--60UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL ST ATIC PRESS

24Table 7 (cont) -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48EZ--A24--60UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL ST ATIC PRESS

25Table 8 (cont) -- Dry Coil Air Delivery* -- Horizontal Discharge -- Unit 48EZ--A24--60UNITHEATING RISERANGEMOTORSPEEDWIRECOLOREXTERNAL ST ATIC PRESS

26Table 8 – Dry Coil Air Delivery -- Downflow DischargeUNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.3 0.4 0

27Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

28Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

29Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

3A09450Fig. 2 -- 48EZ--A24--36 Unit Dimensions48EZ --A

30Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

31Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

32Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

33Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

34Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

35Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

36Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

37Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

38Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

39Table 8 --Dry Coil Air Delivery -- Downflow Discharge (Cont)UNITHEATING RISERANGEMOTOR SPEED WIRE COLOREXTERNAL STATIC PRESSURE (IN. W.C.)0.1 0.2 0.

4A09451Fig. 3 -- 48EZ--A42--60 Unit Dimensions48EZ --A

40Table 9 – 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 22

41A10207CFig. 14 -- 208/230--1--60 Connection Wiring Diagram, Unit 48EZ--A48EZ --A

42A10207LFig. 14 Cont -- 208/230--1--60 Ladder Wiring Diagram, Unit 48EZ--A48EZ --A

43A10208CFig. 15 -- 208/230--3--60 Connection Wiring Diagram, Unit 48EZ--A48EZ --A

44A10208LFig. 15 Cont. -- 208/230--3--60 Ladder Wiring Diagram, Unit 48EZ--A48EZ --A

45A08019Fig. 16 -- Cooling Charging Table--Subcooling48EZ --A

46MAINTENANCETo ensure continuing high performance and to minimize thepossibility of premature equipment failure, periodic maintenancemust be performe

47g. Reinstall blower access panel (see Fig. 18).3. Restore electrical power to unit. Start unit and check forproper blower rotation and motor speeds

48Rinse coils with clear water, using a garden hose. Be careful not tosplash water on motors, insulation, wiring, or air filter(s). For bestresults, s

49OF2OF1ONQUIETSHIFT1203060603090INTERVAL TIMEROFFP3DFTO R W2 Y CT2 C C ODFTT1 YP1J1SPEEDUPSpeedupPinsDefrost intervalDIP switchesQuietShif

5LARGE CURBSMALL CURBROOF CURB DETAILWood nailer*Roofcurb*Insulation(field supplied)*Provided with roofcurbCant stripfield suppliedRoofing materialfie

50C99097Fig. 24 -- Refrigerant Circuit2. Disconnect leads on switch.3. Apply ohm meter leads across switch. You should havecontinuity on a good switch

51COMPRESSORACCUMULATOROUTDOOR COILINDOOR COILLCSLEGENDHPS – High Pressure SwitchLCS – Loss of Charge SwitchAccurater ® Metering De viceArrow in

52Servicing Systems on Roofs and with Synthetic materialsPOE (polyolester) compressor lubricants are known to cause longterm damage to some synthetic

53Table 12 – Troubleshooting Guide -- Cooling or Heat Pump Heating ModeSYMPTOM CAUSE REMEDYCompressor and Outdoor fan will notstart.Power Failure Call

54Table 13 – Troubleshooting Guide–HeatingSYMPTOM CAUSE REMEDYBurners will not igniteWater in gas line Drain. Install drip leg.No power to furnace Che

55START--UP CHECKLIST(Remove and Store in Job Files)I. PRELIMINARY INFORMATIONMODEL NO.:SERIAL NO.:DATE:TECHNICIAN:II. PRESTART--UP (Insert check mark

56Copyright 2011 Ca rrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 11/ 11Manufacturer reserves the r ight to change, at any t

6ACCESS PANELS MUST BE IN PLACE WHEN RIGGING.PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION.50CY502286 2.0CAUTION - NOTICE TO RIGGERSPRUD

7hooking points and load support areas. Materials showing any kindof wear in these areas must not be used and should be discarded.UNIT FALLING HAZARDF

8A 1/8--in. (3.2 mm) NPT plugged tapping, accessible for test gaugeconnection, must be installed immediately upstream of the gassupply connection to t

9Step 9 — Install Duct ConnectionsThe unit has duct flanges on the supply-- and return--air openingson the side and bottom of the unit. For downshot a