Rheem R-410A Spécifications

92-21354-78-07SUPERSEDES 92-21354-78-0613 & 14.5 SEER SERIESCONDENSING UNITS11⁄2 - 5 TONS FEATURING INDUSTRYSTANDARD R-410A REFRIGERANT R-410INSTA

106.0 REPLACEMENT UNITSTo prevent failure of a new condensing unit, the existing evaporator tubing systemmust be correctly sized and cleaned or replac

11the unit and 15 feet of standard size interconnecting liquid and vapor lines. For dif-ferent lengths, adjust the charge as indicated below.1/4” ± 0.

• If tubing is to be run underground, it must be run in a sealed watertight chase.• Use care in routing tubing and do not kink or twist. Use a tubing

131/4 [6.4] 25 [7.6] 40 [12.2] 25 [7.6] 9 [2.7] N/A N/A11⁄2 Ton 3/8” [9.5] 5/16 [7.9] 25 [7.6] 50 [15.2] 62 [18.9] 58 [17.7] 53 [16.2] 49 [14.9]3/8* [

1410.0 EVACUATION PROCEDUREEvacuation is the most important part of the entire service procedure. The life andefficiency of the equipment is dependent

1513.0 CHECKING REFRIGERANT CHARGECharge for all systems should be checked against the Charging Chart inside theaccess panel cover. Before using the c

13.3 FINAL LEAK TESTINGAfter the unit has been properly evacuated and charged, a halogen leak detectorshould be used to detect leaks in the system. Al

15.0 FIELD INSTALLED ACCESSORIES15.1 COMPRESSOR CRANKCASE HEAT (CCH)While scroll compressors usually do not require crankcase heaters, there areinstan

1815.4 HIGH AND LOW PRESSURE CONTROLS (HPC & LPC)These controls keep the compressor from operating in pressure ranges which cancause damage to the

1917.0 TROUBLE SHOOTINGIn diagnosing common faults in the air conditioning system, it is useful to presentthe logical pattern of thought that is used

2TABLE OF CONTENTS1.0 SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.0 GENERAL . . . .

2017.2 MECHANICAL CHECKS FLOW CHARTUnit Running?YESLow Head PressureLow Suction PressureOpen IPR Valve Dirty EvaporatorInadequate AirflowRestricted Fi

21TABLE 8AIR CONDITIONING SYSTEM TROUBLESHOOTING TIPSAIR CONDITIONING SYSTEMTROUBLESHOOTING TIPS17.3 SUPERHEAT CALCULATION1. Measure the suction press

22SYMPTOM POSSIBLE CAUSE REMEDYUnit will not run • Power off or loose electrical connection • Check for correct voltage at contactor in condensing uni

23FIGURE 318.1 PSC OD FAN MOTORSINGLE-PHASE WIRING DIAGRAM01-19-04JHB90-101229-010118.0 WIRING DIAGRAMS

24FIGURE 418.2 ECM OD FAN MOTOR

25FIGURE 518.3 PSC OD FAN MOTORTHREE-PHASE WIRING DIAGRAMWIRING DIAGRAM6C (T1)S (T2)R (T3)(BK)(PR)(S)C (T1)S (T2)R (T3)OPT.AUXG / YGND.CCHOPT.WIRING S

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28CM 0111

31.0 SAFETY INFORMATION!WARNINGTHE MANUFACTURER’S WARRANTY DOES NOT COVER ANY DAMAGE ORDEFECT TO THE HEAT PUMP CAUSED BY THE ATTACHMENT OR USE OFANY C

42.0 GENERALThe information contained in this manual has been prepared to assist in the properinstallation, operation and maintenance of the air condi

5FIGURE 1DIMENSIONSDIMENSIONAL DATAAIR DISCHARGE: ALLOW60” MINIMUM CLEARANCE.LHSEE DETAIL AwA-00008SERVICE ACCESSALLOW 24” CLEARANCEAIR INLETS(LOUVERE

6TABLE 1ELECTRICAL AND PHYSICAL DATA – 13 SEER2.4 ELECTRICAL & PHYSICAL DATA (SEE TABLE 1)Electrical PhysicalModelNumber13 SEER3-PHASE208/230VPhas

73.0 LOCATING UNIT3.1 CORROSIVE ENVIRONMENTThe metal parts of this unit may be subject to rust or deterioration if exposed to acorrosive environment.

8NOTE: These units must be installed outdoors. No ductwork can be attached, orother modifications made, to the discharge grille. Modifications will af

94.0 REFRIGERANT CONNECTIONSAll units are factory charged with Refrigerant 410A. All models are supplied withservice valves. Keep tube ends sealed unt