Carrier R-22 Especificações

1QUALITY ASSURANCESYSTEM38AJ 008-074 (R-22)38AZ 008-074 (R-407C)Air-Cooled Condensing Units50 HzInstallation, Operation and Maintenance Instructions

10Fig. 4 - 38AJ/AZ 046-074, dual evaporatorLegend:A Suction riser without trapB Suction riser with trapC Suction riser line to condensing unit1 Evapor

11ACCESSORIESThe field-installed accessories are shipped with full installationinstructions and/or a wiring diagram.• Single- or two-stage low voltage

12Pressure differential (difference between cylinderload point and unloader points)Turn the adjusting screw 햵 counter-clockwise to its back stoppositi

13SERVICING REFRIGERATION COMPONENTSAny technician attending the machine for any purpose must bea fully qualified refrigeration engineer.WARNING: Befo

14CAUTION: R-22 oils are absolutely not compatible with R-407C.Recommended oil:R-22 semi-hermetic compressors:- Mineral oil, Carrier specification No.

15For normal maintenance routines we recommend using 1 kg ofthe concentrated product, diluted to 10%, to treat a coil surfaceof 2 m2. This process ca

16ENVIRONMENTALMANAGEMENTTROUBLESHOOTING CHARTBelow we list a series of possible faults, along with the probable causes and suggested solutions. In th

2CONTENTSPageStart-up checklist ...

3START-UP CHECK LISTStart-up date:Equipment sold by: Contract No.:Installed by: Contract No.:Site address:Equipment type and serial numbers:Electrical

4Dimensions and clearances38AJ/AZ A B C D E F G008-012 1220 1160 977 1200 1000 1000 1000014-024 1720 1160 1112 1200 1000 1000 1000030-036 2060 1370 1

538AJ/AZ 04638AJ/AZ 062-074Do not obstructDo not obstructFloor mounting• For unit mounting holes, weight distribution and centre of gravity coordinate

6Physical data38AJ/AZ 008 010 012 014 018 024 030 036 046 062 074Nominal cooling capacity 38AJ* kW 23.3 29.4 36.5 51.0 61.0 76.0 93.0 119.0 139.0 170.

7APPLICATION DATAOperating limitsVarifan III (option)The Carrier Varifan III allows adjustment of the fan speed or ofthe three-phase motors (400 V-3 p

8Refrigerant piping diagramSingle circuit only for 38AJ/AZ 008-036 unitsSoldered plug withpressure equalisationport. To be removedduring installation.

9• The second moisture indicator must be installed close tothe condenser to provide a means of checking therefrigerant charge.• Complete the liquid li