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Cornelius COR74RRTMT manual

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Table of contents for the manual

  • Page 1

    REAC H-IN REFR IGERATORS COR20RRT M, COR22RR TM, COR40RR TMD, COR48RRT MD , COR74RR TMT Ser vice Ma nual Re[...]

  • Page 2

    SERVI CE M AN UAL The produ cts, technical i nf or m ation, and instr uc tion s c ontained in this manual are subject to chang e withou t notice. These instructions are no t intended to cover all details or varia- tions of the equipment, nor to pro v ide f or ev er y possible contingency in the installation, operation or maintenan ce of this equipm[...]

  • Page 3

    Reach-In R efrigerator Servic e Manua l © 2004 , IMI C orn eliu s Inc . - i - P ublic a tion N umbe r: 63 04 6027 2S ER T AB L E OF CONTENTS Features o f the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Cleaning a nd Preventive Ma in tenance . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - ii - © 2004 , IMI Cor nel ius I nc.[...]

  • Page 5

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 1 - P ublic a tion N umbe r: 63 04 6027 2S ER F EATURES OF TH E U NI T FIGURE 1 He avy d ut y con de ns ing unit loca ted o n to p for easy -ac cess m ain ten ance. Con tro l pa nel wi th t empe rature disp lay , door ajar ligh t, p ower in dic ator, co nd ensa te swit ch Heav[...]

  • Page 6

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 2 - © 2004 , IMI Cor nel ius I nc. C LEANING AND P REVENTIVE M AINTENANCE Weekly or soone r , as required: 1. Disconnect the power source before cl eaning. Rem o ve all product s and pl ace i n a prope r coole r . 2. Clean the i nterior and ext er ior with a mild soap [...]

  • Page 7

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 3 - P ublic a tion N umbe r: 63 04 6027 2S ER H OW Y OUR C ABINET O PERAT ES CAUTION - Make sure the power supply is turned off be fore making any electrical repairs. Defrost water flow Y our new cabinet i s com pletely self-defrosting. T he frost that col lects on the conc ea[...]

  • Page 8

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 4 - © 2004 , IMI Cor nel ius I nc. T emperature contr o l If the condensin g unit does not r un after the power cord is plugged in, check that th e temperature control is in t he “ on ” p osition. T his can be done with an ordinar y sc r ewdriver . After t he syste[...]

  • Page 9

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 5 - P ublic a tion N umbe r: 63 04 6027 2S ER leads from the term inals and attach them to the ne w switch and snap it bac k in place. Make sure there are no breaks or bare w ires to cause a shor t bef o re putting t he switch back. Lights The in candescent light bulb can be r[...]

  • Page 10

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 6 - © 2004 , IMI Cor nel ius I nc. 2. Pull t he f e eler b ulb from the wel l which is usually located on the coil or head er and pull the l ead wires off t he control term inals. If t he temperature control is withi n the first year w arranty and is to be r e turne d [...]

  • Page 11

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 7 - P ublic a tion N umbe r: 63 04 6027 2S ER When t he co il temperature reache s the p roper tem perature, the f an(s ) will aut omatically star t a nd contin ue to run until it com es to the d efrost cycle. The f an (s ) ma y tu rn off i f the doors are l eft open t oo long[...]

  • Page 12

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 8 - © 2004 , IMI Cor nel ius I nc. Blower fan assembly T o change the f an blade, remov e the speed nut from the threaded shaft. If the f an motor must be changed : 1. Remove the fan blade and la y i t careful ly aside. B e careful not to bend or dama ge the blade or i[...]

  • Page 13

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 9 - P ublic a tion N umbe r: 63 04 6027 2S ER 4. In stall a new heater e lement. Be sure to use similar copper wire to install the new e lement tightly against the coil. Note that t here is a ben d in the heater e lement al ong the center rea r . This must make good contact wi[...]

  • Page 14

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 10 - © 2004 , IMI Cor nel ius I nc. W IRING D IAGRAMS COR20RRTM FIGURE 11 PERIMETER HEATER TEMP. CONTROL FAN MOTOR BLACK WHITE WHITE RED COND. UNIT WHITE BLACK LIGHT BLACK WHITE BLACK RED RED WHITE BLACK BLACK GREEN WHITE JUNCTION BOX BUTTOM PUSH BULB WHITE BLACK BLACK[...]

  • Page 15

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 11 - P ublic a tion N umbe r: 63 04 6027 2S ER COR22RRTM FIGURE 12 WHITE GREEN BLACK GREEN BLACK WHITE RED WHITE GREEN BLACK WHITE RED BLACK BLACK WHITE RED GREY GREY RED GREEN FEED 4 X 4 ELECT. BOX SWITCH EVAP. PAN UNIT COND. BLACK WHITE MULLION/CANOPY CONNECTION BAFFLE CONNE[...]

  • Page 16

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 12 - © 2004 , IMI Cor nel ius I nc. COR40RRTMD FIGURE 13 PERIMETER HEATER TEMP. CONTROL FAN MOTOR BLACK WHITE WHITE RED COND. UNIT WHITE BLACK LIGHT BLACK WHITE BLACK RED RED WHITE BLACK BLACK GREEN WHITE JUNCTION BOX BUTTOM PUSH BUTTOM PUSH BULB WHITE BLACK BLACK BLAC[...]

  • Page 17

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 13 - P ublic a tion N umbe r: 63 04 6027 2S ER COR48RRTMD FIGURE 14 WHITE GREEN BLACK GREEN BLACK WHITE RED WHITE GREEN BLACK WHITE RED BLACK BLACK WHITE RED GREY GREY RED GREEN FEED 4 X 4 ELECT. BOX SWITCH EVAP. PAN UNIT COND. BLACK WHITE MULLION/CANOPY CONNECTION BAFFLE CONN[...]

  • Page 18

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 14 - © 2004 , IMI Cor nel ius I nc. COR74RRTMT FIGURE 15 WHITE GREEN BLACK GREEN BLACK WHITE RED WHITE GREEN BLACK WHITE RED BLACK BLACK WHITE RED GREY GREY RED GREEN FEED 4 X 4 ELECT. BOX SWITCH EVAP. PAN UNIT COND. BLACK WHITE MULLION/CANOPY CONNECTION BAFFLE CONNECT[...]

  • Page 19

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 15 - P ublic a tion N umbe r: 63 04 6027 2S ER T R OUB LESHOOTING P ossible causes and so lutions PRO BLEM POSSIBLE CA USE SOLUTION COMPRESSO R WILL NOT ST AR T No v o ltage in t he elect rical so cket. Us e a voltmeter t o check the voltage . The electr ical c o nducto r or w[...]

  • Page 20

    Reach-In Re frig erator Service Manual Pub lic ation N umbe r: 6 3046027 2SER - 16 - © 2004 , IMI Cor nel ius I nc. PRO BLEM POSSIBLE CA USE SOLUTION THE TEM PERA TUR E IS N OT COLD ENOUGH Therm ostat knob is set at a v ery warm po si ti on. Set the therm ostat knob to a colder position. Condense r is dir ty . Clean the condenser . The ref rigerat[...]

  • Page 21

    Reach-In Refrigerator Service Manua l © 2004 , IMI C orn eliu s Inc . - 17 - P ublic a tion N umbe r: 63 04 6027 2S ER PRO BLEM POSSIBLE CA USE SOLUTION NOISE The ref rigerator is no t proper ly lev eled. Check if the noise goes aw ay after you l evel the refrigerator . The conde nser is not fastened correctly . Coppe r t u bings are in contac t w[...]

  • Page 22

    IM I C or ne liu s In c . www.cornelius. com[...]