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Zero Zone Highlight MERCHANDISER RHZC30, Installation & Operation Manual

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Zero Zone Highlight MERCHANDISER RHZC30 Installation & Operation Manual Download Page 52

48  •  Illustrations  -  Electric Defrost - Low/Medium Temp

ILLUSTRATIONS

Electric Defrost - Low/Medium Temp

 FIGURE 34: 30" ELECTRIC

ITEM #

PART NAME

1 COIL COVER
2 FAN
3 LIQUID LINE
4 SUCTION LINE
5 FAN HOUSING
6 HEAT EXCHANGER
7 EXPANSION VALVE

*8 HEATING ELEMENT
*9 HEATER CLIP

10 DEFROST TERMINATION 

PROBE LOCATION

*Low Temp Only

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Summary of Contents for Highlight MERCHANDISER RHZC30

Page 1: ...66 0032 MN 18 B SEP 2019 ZERO ZONE HIGHLIGHT MERCHANDISER With CoolView Doors ChillBrite LED Lighting INSTALLATION OPERATION MANUAL...

Page 2: ......

Page 3: ...nti Sweat Heaters Medium Temp 18 Doors 18 ILLUSTRATIONS 19 Case Label Information 19 Leveling 20 Moving Cases 26 RHZC RHCC Caulking Instructions 27 Required Sealing for NSF Approved Installations 28 J...

Page 4: ......

Page 5: ...rther consideration the Seller will extend to the original purchaser prior to shipment a limited extended warranty on the compressor only following expiration of the standard warranty The Seller agree...

Page 6: ...at 800 247 4496 Any change to a Zero Zone product made during the installation start up or at any other time must be submitted in writing to Zero Zone for approval and be approved by Zero Zone in wri...

Page 7: ...ent certified by ETL NSF 7 Commercial Refrigerators and Freezers ANSI Approved equipment certified by NSF DOE Compliant all U S sales ASHRAE 72 2014 specifies the test conditions for the equipment It...

Page 8: ...rs and kickplates are shipped on top of the case Shelves for the case are tie wrapped and blocked into the individual cases Other accessories like drain traps drain pans condensate evaporation pans an...

Page 9: ...p Check the level on the face of the glass doors and sides of the mullions Do not use the ceiling to check level 11 If you ve purchased seismic restraints specific instructions for attaching those res...

Page 10: ...hat allows the use of a 1 1 2 thick fork truck blade See Figure 9 on page 26 Lineup Assembly Zero Zone display cases have been engineered for continuous display This means that any number of cases can...

Page 11: ...n The drain can be reached by removing the center coil covers and then removing a fan motor The 1 PVC drain outlet is located at the center front of the case behind the kickplate Install the tee to th...

Page 12: ...be allowed to flow between the bumper and kickplate and then underneath the case The target airflow rate under the case design is 50 cfm door Note An optional louvered kickplate is available Provides...

Page 13: ...o spread the snap open to remove the brackets from the center section Loading the Case The case may be loaded with product after it has been operated for at least 24 hours with correct case temperatur...

Page 14: ...erature at the expansion valve sensing bulb and compare it to the suction temperature corresponding to the saturated pressure Make sure that line pressure drop is taken into account Turn the valve ste...

Page 15: ...he front left bottom the left rear bottom or the left rear top of case The copper pipe should not touch or rub on the edges of the sheet metal After connections have been made the refrigeration access...

Page 16: ...sweep is recommended After the system has been thoroughly evacuated of all moisture and non condensable gas charge the system with the proper refrigerant using hi side low side charging techniques Do...

Page 17: ...sure and prewired The liquid line solenoid valve is installed in the liquid line and wired The power to operate the display case is connected at the case disconnect switch The power to operate the con...

Page 18: ...All of the display case controls including the disconnect switch time clock and temperature control are installed behind the kickplate and prewired The liquid line solenoid is prewired but is not inst...

Page 19: ...ngth of defrost to vary depending on how much frost is on the coil and the defrost heater voltage Coil frost is a function of shopping patterns stocking habits general door maintenance and ambient tem...

Page 20: ...ne of the evaporator to be defrosted The gas flows into the serpentine coil attached to the floor of the case and then into the evaporator Condensed liquid leaves the evaporator through the side port...

Page 21: ...ERAL Periodic defrosting to keep the coil free of frost is accomplished automatically by a time clock Medium temperature cases generally operate at temperatures that allow for off cycle defrost Medium...

Page 22: ...plate below the door opening Contact Zero Zone s Service Department for instructions for servicing this heater For locations with low humidity and tightly controlled ambient conditions the lower sill...

Page 23: ...Illustrations Case Label Information 19 ILLUSTRATIONS Case Label Information Figure 1 CASE LABEL LOCATIONS Refer back to page 4...

Page 24: ...Leveling Figure 2 Leveling Cases Prior to Joining Case Front Case Front 2A Measure and mark exact case outline 2B Mark floor level differences 2C Shim joints to equal highest point Refer back to page...

Page 25: ...Illustrations Leveling 21 Illustrations Leveling Figure 3 Positioning Hat Channel Rails Refer back to page 5...

Page 26: ...se Shims Case Shims Both corners of the base must be supported by shims to prevent base buckling DWG NO SP 6006 1 REV A RELEASED Figure 4 Typical Rail Locations Figure 5 Shims Under Bases and Case Ref...

Page 27: ...Illustrations Leveling 23 Illustrations Leveling Figure 6 Base Locations 6A 24 2 Door Case 6B 24 3 Door Case Refer back to page 4 6C 24 4 Door Case 6D 24 6 Door Case...

Page 28: ...4 Illustrations Leveling Illustrations Leveling Figure 6 Base Locations Cont 6E 30 2 Door Back to Back Case 6F 30 3 Door Back to Back Case 6G 30 4 Door Back to Back Case 6H 30 5 Door Back to Back Case...

Page 29: ...Illustrations Leveling 25 Illustrations Leveling Figure 6 Base Locations Cont 6J 30 2 Door Case 6K 30 3 Door Case 6L 30 4 Door Case 6M 30 5 Door Case Refer back to page 5 6I 30 1 Door Case...

Page 30: ...26 Illustrations Moving Cases Illustrations Figure 7 REMOVING WOOD PLANKS Figure 8 WOOD BLOCK INSIDE BASE Spacers Figure 9 EXPANDABLE BASE Moving Cases Refer back to page 5...

Page 31: ...hown with dashed lines Apply two beads at Ceiling Rear Wall and Base Apply to only one 1 case at joint not both cases as excessive amounts of sealant may squeeze out of joint 2 After cases are joined...

Page 32: ...28 Illustrations Required Sealing for NSF Approved Installations Illustrations Figure 11 Figure 12 JOINING 24 AND 30 DOOR CASES Required Sealing for NSF Approved Installations Refer back to page 6...

Page 33: ...Illustrations Joining Insulated Dividers RHZC RHCC to RHZC RHCC 29 Illustrations Figure 13 Joining Insulated Dividers RHZC RHCC to RHZC RHCC Refer back to page 7...

Page 34: ...30 Illustrations Joining Insulated Dividers RHZC RHCC to RVLC RVMC Illustrations Joining Insulated Dividers RHZC RHCC to RVLC RVMC Figure 14 Refer back to page 6...

Page 35: ...Illustrations Attaching Kickplate Splice RHZC RHCC to RVLC RVMC 31 Illustrations Figure 15 Attaching Kickplate Splice RHZC RHCC to RVLC RVMC Refer back to page 6...

Page 36: ...ions Field Mounted Trap Illustrations Field Mounted Trap Drain Support Drain Trap Support DWG NO SP 6000 1REV B RELEASED BY DATE ECN No REVISION DESCRIPTION No REVISION INFORMATION Figure 16 Refer bac...

Page 37: ...ZERO ZONE INC DOCUMENT OR DISCLOSURE OF ITS CONTENTS BY ARE IN DECIMAL INCH 9 12 2012 B 1 OF 1 SP 6002 1 OTHER STYLE BUMPERS SHEET UNLESS OTHERWISE SPECIFIED SCALE MODELED BY DRAWN BY UNLESS OTHERWISE...

Page 38: ...34 Illustrations Under Case Return Air Flow Illustrations Under Case Return Air Flow Figure 19...

Page 39: ...Illustrations Penetration Sealing 35 Illustrations Penetration Sealing Figure 20...

Page 40: ...36 Illustrations P trap Installation Illustrations Figure 21 45 ELBOW SUCTION LINE P trap Installation...

Page 41: ...and RHZC30T Cut in pressure set to the dew point equivalent of 6 F for your refrigerant Cut out pressure set to the dew point equivalent of 20 F for your refrigerant CONDENSING UNIT RHCC30 and RHCC30...

Page 42: ...38 Illustrations Refrigeration Line Sizing Frozen Foods Illustrations Refrigeration Line Sizing Frozen Foods Figure 24 LOW TEMP FROZEN FOODS...

Page 43: ...Illustrations Refrigeration Line Sizing Frozen Foods 39 Illustrations Refrigeration Line Sizing Ice Cream Figure 25 LOW TEMP ICE CREAM...

Page 44: ...40 Illustrations Refrigeration Line Sizing Illustrations Refrigeration Line Sizing Figure 26 REFRIGERATION LINE SIZING...

Page 45: ...DEFROST 208V 2 5 DR 115V 1DR P OPTIONAL CONDENSATE PUMP 115V 1 60 OPTIONAL CONDENSATE EVAPORATOR 115V 1 60 MOUNTED ON TOP OF CASE PLUGGED INTO CONDENSING UNIT OR POWERED BY CUSTOMER WHT BLK OPTIONAL T...

Page 46: ...R WHT BLK OPTIONAL TO TB 4 TO TB G 0PTIONAL SOLENOID VALVE 120VAC WHT BLU 18 GA BLU 18 GA RECEPTACLE 115V WHT BLK OPTIONAL TEMPERATURE CONTROL RED YELLOW CLOSE ON RISE OPEN ON DROP BLU 18 GA REPRESENT...

Page 47: ...CASE FANS M M BLU RIBBED BLU SMOOTH CB ORG 18 GA ON 4 5 DOOR ONLY 20 AMPS BLU 14 GA GRD OPTIONAL CONDENSATE EVAPORATOR 115V 1 60 MOUNTED ON TOP OF CASE PLUGGED INTO CONDENSING UNIT OR POWERED BY CUSTO...

Page 48: ...SENTS EGRESS THROUGH CASE CONDUIT FROM SATELLITE CASE BLU 14 GA P OPTIONAL CONDENSATE PUMP 115V 1 60 WHT BLK OPTIONAL TO TB 4 TO TB G OPTIONAL CONDENSATE EVAPORATOR115V 1 60 MOUNTED ON TOP OF CASE PLU...

Page 49: ...TO CONDENSING UNIT OR POWERED BY CUSTOMER WHT BLK OPTIONAL TO TB 4 TO TB G 0PTIONAL SOLENOID VALVE 120VAC WHT BLU 18 GA BLU 18 GA RECEPTACLE 115V WHT BLK OPTIONAL TEMPERATURE CONTROL TO SENSE 38 AIR S...

Page 50: ...STOMER WHT BLK OPTIONAL TO TB 4 TO TB G 0PTIONAL SOLENOID VALVE 120VAC WHT BLU 18 GA BLU 18 GA OPTIONAL TEMPERATURE CONTROL TO SENSE 38 AIR SET DIAL TO 34 AND THE SLIDER TO A 6 DIFFERANTIAL RED YELLOW...

Page 51: ...D VALVE OPTIONAL 10 DRIER OPTIONAL 11 CHECK VALVE 12 OPTIONAL DEFROST TERMINATION SOLENOID 13 HOT GAS CLIP 14 DEFROST TERMINATION PROBE LOCATION ON DUMP LINE E 8 10 9 11 7 13 6 5 12 4 3 2 1 14 30 HOT...

Page 52: ...ations Electric Defrost Low Medium Temp Figure 34 30 ELECTRIC ITEM PART NAME 1 COIL COVER 2 FAN 3 LIQUID LINE 4 SUCTION LINE 5 FAN HOUSING 6 HEAT EXCHANGER 7 EXPANSION VALVE 8 HEATING ELEMENT 9 HEATER...

Page 53: ...Rights Reserved SEP 2019 For other technical support please refer to Zero Zone Installation Operation Manuals available on the Service page at WWW ZERO ZONE COM or contact the Zero Zone Service Depart...

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