Sharp R-633 User Manual

(ii)EDUCATION AND TRAINING EQUIPMENTDeclaration of Conformity:Directives (where applicable) 89/392/CEE as amended by 91/368/EEC89/336/CEE72/23/

6IN~ ALLA nON AND COMMISSIONINGRemove me unit from its p.:king case and carefully examine it for damage. If any is foulKi. notify tileinsurers imme

7110/I20V UnitsThe unit has an internally fitted transformer which is suitable for input voltages of between 110and 130 Volts (110 to 130V in 5 volt s

8If die djagrams are to be fitted to die panel then it will be ~-!!!-ry to fit me four clips suwliedto die ~ of d1e panel.Auach the 4 spring cli~ t

91234Amendments2 MAINS FL TER ADDED10.9.97 JBABcSlFPL y m -130Y SO/60HzSEe HA" ~ aAGRAH F~ TERttNAL KEY[Drawn byJBThe ~ier is req.jred

10THE HD..TON REFRIGERAnON CYCLE DEMONSTRAnON UNrrUSEFUL DATACondenser:Wal« coil surf~ area: O.O32m3E VSDOratOCWater coil surface area: 0.032012S

11SPECIFICADONCompreaorHennetic type ~pressor with inlegrall/2 H<X'5eIX>wer mOtor drawingaPJX"Oxirnately 810 Watts. The com~ is

12of die StaDdaId panel and may easily be fined by the CUSfDm~. or ifpurchased widt the standard unit can be a f~tory fitted 0IKia1.SAFETY No m

13DESCRIYnON(please refer to me schematic diagram on Page 1)All COlDJX)nents are mounted 00 an attractive durable glass reinf<XCed plastic panel

14This ~hnique is imJX)rtant in onk:r to demOOSb'ate how to pevcnt ~ escape of refrig~t duringmaintermnce.In common with all refrigeration and

ISOPERATING PROCEDURE(please refer to Figure 1 - Schematic Diagram, and Figme 2 - R633 Valve Positions diagram)To assiSt in unOOrstanding ~ration.

(i)POLICY STATEMENTAfter Sales ServiceWe, P.A Hilton Ltd., attach considerable imJX)rtanCe in being able to retain die confi(k;nce and goodwillof o

16Unless die supply water temperature is high men altera1ion of ~ evaIJ<nIOr water flow rate will havea relatively small eff~t on die ev8lXJrarDr

17Normal running condition is widl aPJK'Oximately 2o-25mm of liquid in the bottom of the condenserchamber and dle float valve maintaining this le

18cooling water aM evaJX)rator water flow rates are left as for normal nD1ning and me unit remaimswitched 00. The only pam from me evapa-ator to the

19MAINTENANCEHi2b Pressure Cut OutAt regular intervals and according to the local safety regulations the high pressure cut out should betested as foll

20Th~ differences may be added (B' subtlaCted from dJe ~ as awropriare.If greater ~uracy is required men the water may be gently warmed and me

21Cbarg2 or RechargeUnder nonnal conditions me vapour press\U'e of die refrigerant does not reach abnospheric pressure Wltildie liquid is at a

220,. Tr~ CanRMX74/1-Figure 4Bras.C~gi'1gValva VC27/2rnBRefrigerant ChargingLine CI.5/2IN c~~Valw With CentrePinAngled ComectorWith Central Pn

23CAPABILmES OF THE REFRIGERATION CYCLE DEMONSTRATION UNITDemonstration of vaJX)m' compressioo refrigeration or heat pump cycle widt visual o

241. DEMONSTRA nON OF VAPOUR COMPRESSION REFRIGERA nON OR REA T PUMPCYCLEThe ex~cnt should begin wid! the unit at rest. having been left in die sh

25addition, depending upon me local ambient conditions, water vapour will also condense on dieoutside surface of me glass cylinder and base plate. Th

INDEX~SCHEMATIC DIAGRAM1VALVE POSITIONS DIAGRAM2SYMBOLS AND UNITS3444INTRODUCTIONThe Refrigeratioo or Heat Pump CycleThe ValX>ur Compression Cy

26As soon as the liquid passes through the expansion valve iU pressure drops to awroximately thepressIU'e inside the eV8lXX8fOr. This ~ me liqui

272..PRESSURE TEMPERATURE RELATIONSHIPThe relationship between sanuation pressure and temperature may be observed in both me evaporatorand condenser.

28Note that tem~ have been estimated to d1e nearest O.soC ~ing die SIaOOard 1benDOIDC1mSUWIied. Whezc the opdoul temperature indicator is fitted ~

8(f).~~Nr~ffit1_f3III~~0 0 00 Ll) 0N ~ ~t_W N}( I a.lDssa.ld UO!:J8.1D.:J8S.1.~.l T.,~f500~~g0to..0NatV)00~29

303.DEMONSTRA nON OF "PUMPING OVER" OR "PUMPING DOWN" INTO mECONDENSERDuring maintenance of refrigemOOo pJaob. partkularly when

314.DEMONSTRATION OF CHARGINGDue to die restrictions of die Montreal Protocol it is not recommended d1at the refrigerant charge isremoved from the ma

32s.DEMONSTRA nON OF mE EFFECT OF AIR IN A REFRIGERA nON SYSTEMWhen air is present in a refrig~oo plant. it will O(X'Inally be swept from th

33Local Atmospheric Pressure: lOlkN m-11 Air Free1. With AirTest No.-69-66Evaporala Gauge Pressurep ~ I kN mo2p ~ I kN mo235'32Absolute Eva

3400»2'.,»:-.==:~tDa"=tD.,~2'.,tD~0~~~CN8""D..,CD(J)(J)c:..,CD<G)-IQ) CDc: 3(Q"CCD CD>-,(") Q)(") c:

356.EFFECT OF EVAPORATING AND CONDENSING TEMPERA ~ ON THEREFRIGERA nON RATE AND CONDENSER REA T OUTPUTThe effect of evaporating temperatme on die

23CAPABILITIES OF THE REFRIGERATION CYCLE DEMONSTRATION UNIT:24Demonsb'ation of die Vspour Com}Xession Cycle1.The Pressme- Temperatme Relatio

36OBSERV A nONSLocal Atmospheric Presswe: lOlkN m-2Test No.12:t45Pel kN m-2Pel kN m-2t,/OCE vaporaux' Gauge Pressure-68-69-69-69-6932 323232Abso

37SPECIMEN CALCULA nONS FOR TFST NO.2EVAPORATORRate of Heat Transfer to Water in EvaJX)rator:<J. = m. C, (t1 - tz)<J. = 20.0 x 10-3 x 4.18 x

397. ~GA nON OF THE EFFECT OF COMPRESSOR PRESSURE RA no ON SYSTEMPERFORMANCEThe effect of increasing the condensing temperature for a constant give

40OBSERV A nONSLocal Atmospheric Preaure: 101 kN m43sTest No.1 1.4-69-68 -69 -69-69EvapoI31a' Gauge PressID'e333232 3232Absolute Evapor

41SPECIMEN CALCULA nONS FOR T~T NO.3EVAPORATORRate of Heat Transfer to Water in EvaJX)rator:Q. = iii. C, (11 - ~Q. . 20.0 X 10-3 X 4.18 X 10&apos

438. DE~ATlON OF OVERALL HEAT TRANSFER BETWEEN R141b AND WATERIN mE EV APORA TOR AND CONDENSERThe Overall Heat Transfer Coefficient (U) is die h

44OBSERVATIONSLocal AUDOspheric ~: lOlkN m.~Test No.12.345Evaporata Gauge Pressure -68Absolute Evaporator Pressure 33Pel tN meap.1 kN meat,/OCdie

45For the EvaooratorRaIC of Heat Transfer to Wata' in EvaJX)rator:Q. S IN. C, (t1 - t,)Q. S 20.0 x 10-' x 4.18 x 10' x (11.0 - 10.0

of-'.-c:)1~4)...=0)it"Qj~"-IID~+-

46Heat Transfer Rateu=~A8.u .u = ~ Wm-2 K-l

479. GENERATION OF A REFRIGERATION CYCLE DIAGRAM ON A PRFSSURE-ENTHALPY CHARTNote this procedure can ONLY be undertaken by the following detail

48(ill) Point c is at the inte~tion of the compressor chambel' pressure Pc = 70 kN m-1 ~lute and d1econdensed liquid tem~ r. = 19.5OC.(iv) T

49OBSERV A nONSLocal Attnospberic Pressure: lOlkN m-2Test No.12.34 5-69E vaporala Gauge Pressurep. I kN m4P. I kN m4Absolute Evaporator Pressure32ts/

!~Q)'0n=-CD13sow~v.=0-=-.-6";O ~_0~o=-=-.-6"'<~_v.~oc..~~ .-t-..)00-I.A0w00t-.)\.It00\00VIVI0Vt00.,..J000\""0i~~;;&

5110. MEASUREMENT OF mE EFFECT OF CONDENSING TEMPERATURE ONCOMPRFSSOR POWER INPUTNote this procedure can ~ be undertaken by the following method

S2OBSERV AnONSkNmo2Local Atmospheric Pressure:5Test No.1134E vaporala Gauge Pre~Absolute Evaporator PressureEvaporata T~penIuICPel tN molPel tN mo

S3OBSERV AnONSkNm-7.Local Atmospheric ~:512 34Test No.Evaporata' Gauge PressureAbsolute Evaporator PressmePel kN m-2p.1 kN m-2.,/OCm. I gin S-1&q

54rn~2'.,~C'.==--3tDa~.,~2'~~...,0m0tn0~(.a)0~00-00U10-mmSaturation 1-'.' ,~ ~0 (110 0n-111Tln-{+~t1.LLti~~TI++imf1~arm-

~~=zt<=00~0In'o:t'00\I")0'1"\'1"\0V\\00In-00N<:>It"\N00M0~~!-~0000\CV\ ~ (f'I000 0\O\t'\

2NORMAL OPERATIONrSHUTDOWN

S6SPECIFIC RISKS. Contact with liquid will cause severe frost bite. Decomposes in a fire to give toxic and corrosive fumes. Containen may bunt if

57SPECIFIC RISKS. Contact with liquid will cause severe frost bite. Decomposes in a fire to give toxic and corrosive fumes. Containers may burst if

S91 2 '34Amendments2 MAINS FILTER ADDED10.9.97 JBANEW 3 CORE POWER CABLEFROM TRANSFORMER SECONDARY2'OV TO MA~S FILTERLENGTH 1000 mm) LIN

61APPENDIX AOP'nONAL DIGITAL TEMPERATURE INDICATORR633AIf£I-I"iNG INSTRUcnONS

62-- -- VjQllK mQJCator ~l in the centre of the Wlit.The addition of the digilal temJ'eraLure indicator not only increases die resolutio

63Ensure mat the liquid level is below the level of the blanking rod and that the condenser pressure iseither at or below atmospheric pressure.Using a

64The free end of d1e lead will have been protected with tenninal covers. These shoold be removed andthe 3 wires given 1 turn through me ferrite ring

6SFIGURE APA~L~USE A SUITABLE FLATSCREWDRIVER TO PUSH ANDROTATE THE ClP ONTO THETWO BRASS STUDS ON THESlOE OF THE SWITCH CASE.THE OPPOSITE S

3SYMBOLS AND UNITSSvrnoolkNm-2Pressure of Refrigerant in CondenserPctNm-1Pressure of Refrigerant in EvaporatorP.Water Mass Row Rate dU'Ough C

66This page is intentionally blank

67APPENDIX BOFrlONAL DIGITAL W A TfMETERR633Bttrl-rING INSTRUcnONS

68»--ESCRIPfIONThe wattmeter is fitted to die panel fascia in p~ of a black DIN ~,INST ALLA nON;Remove the 145 x 65 DIN case by s1a:kening the fasc

6949 (Earth - Colour Green + Yellow stripe)47 (Line - Colour Red)48 (Neuttal- Colour BJack)Before connecting to me watbneter, pass mese 3 wires 1

70

,,~'~0(~~oOI-Wecl-~t:~~WW..1-~~~~,~ i~i :IL,% :I! 1I§~~1t\.!1 !! II ~ i §i~i~.. 5~"'1Ila~~III!N " ..-@@"i"iii

723-124AmendmentsASl,PPLYTO WATTMETERAND ORTEMPERATUREINDICA TORSIGNAL TO S1 AND S2ON WATTMETER'\r ~ ... #... ~, r ~# .", ##, ,##, "

4INTRODUCTIONTbe Refriaeratk»D or Heat PumD Cycle:A refrigerator is defined as a m~hine w~ prime function is to remove heat from a low tempe

5With dtis in mind P.A. Hilton Ltd., designed die Refrigeration Cycle Demoosuatioo Unit in which diemajor pan of the cycle takes p~ inside glass cham