Zero Zone RVLC30 Installation & Operation Manual Download Page 44

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66-0025 REV F

ZERO ZONE, INC. • 800-247-4496 • ZERO-ZONE.COM

For other technical support, please refer to

the Technical Resources page at:

WWW.ZERO-ZONE.COM

or contact the Zero Zone Service Department at:

800-247-4496

All specifications subject to change without notice.

Summary of Contents for RVLC30

Page 1: ...ZERO ZONE CRYSTAL MERCHANDISER FREEZERS With CoolView Doors and ChillBrite LED Lighting INSTALLATION OPERATION MANUAL COMPLIANT 66 0025 REV F APR 2020 ...

Page 2: ...rical Wiring 13 DEFROSTING 15 General 15 Defrost Settings and Controls 15 Defrost Operation 16 General Notes 16 Limit Thermostat 16 Defrost Heater Element 17 Heater Element Removal 17 Anti Sweat Heaters 17 ILLUSTRATIONS 18 Case Label Information 18 Freezer to Cooler Leveling 19 Leveling Cases Prior to Joining 20 RVLC30 Base Locations 21 RVLC30BB Base Locations 22 Case Squareness 23 Shim Placement ...

Page 3: ...ler 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 agrees to repair or exchange at its option or provide reimbursement for such exchange as directed less any credit allowed for return of the original compressor of a compressor of like or similar design and capacity if it is shown to...

Page 4: ...frigeration technicians If any questions or problems arise call Zero Zone 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 writing prior to commission The product warranty is voided when any unapproved change is made to a Zero Zone product Manufacturer ...

Page 5: ... Approved AHRI 1200 Performance Rating of Commercial Refrigerated Display Merchandisers and Storage Cabinets ANSI Approved DOE Compliant All U S Sales and U S Territories ASHRAE Standard 72 specifies the test conditions for the equipment It includes the ambient conditions of 75 F dry bulb and 55 RH It also specifies the door opening requirements for the performance test Doors are opened six times ...

Page 6: ...n pans condensate evaporation pans and hat channel rails are shipped in the case that require the parts Materials for joining cases including caulk joining bolts splices and end filler posts are shipped in each case to be joined The door is prevented from opening during shipment with the use of a door holding shipping bracket The bracket is screwed to the top of the case at each door and should be...

Page 7: ...s under the base or channel 9 If you are joining coolers to freezers RVMC cases should be set with a slight backward tilt to offset the forward lean of a fully loaded case When joining a freezer and cooler in a short lineup both cases should be tilted back with an additional 3 16 of shims under the front bases after the case is leveled See Figure 2A on page 19 On long lineups the tilt back on the ...

Page 8: ... blades thicker than 1 3 4 When the case needs to move through an 80 door opening the case is shipped with a 1 base on a wood pallet Remove the case from the pallet to slide the case through the 80 doorway Drain elbow will need installation on a 1 base Use extra thick PVC cement Lineup Assembly Zero Zone display cases have been engineered for continuous display This means that any number of cases ...

Page 9: ...per drainage Consult your local codes for minimum requirements Condensate Evaporation System Zero Zone remote cases can be equipped with an automatic condensate evaporation system The system uses a pump and drain pan located behind the kick plate and a condensate evaporator pan mounted on the top of the case Condensate water and any liquid spilled in the case drains out into the drain pan The pump...

Page 10: ...floor drains to speed the drying process Replace the kick plates when the floor has dried GLASS SURFACES Cleaning interior glass reduces fogging and increases visibility Wipe down glass or plexiglass mirrors or ends with a glass cleaner Do not use any products containing silicone or anti fog Shelf Location The shelves are adjustable in 1 increments and may be located in any position for best displ...

Page 11: ... shelves are available and are labeled as such Light Switch The light switch is located on the ceiling on the right hand side of the display case Case Thermometer The cases are shipped with 2 thermometers One thermometer is factory mounted in the discharge air stream The second thermometer is shipped loose and should be installed in the warmest product location Specific instructions are packaged w...

Page 12: ...end turn the valve stem counterclockwise to decrease superheat Turn the valve stem clockwise to increase superheat Measure the suction line temperature 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 stem only 1 4 turn at a time and allow sufficient time 20 t...

Page 13: ...ical RVLC30 velocity reading is 400 to 500 feet per minute in a fully packed case after the case has defrosted and pulled down to operating temperature Air curtain velocity in a partially packed display case is significantly lower because more air exits the back wall duct holes LED Power Supplies LED power supplies are located in the main electrical box of the RVLC30 The standard location of the e...

Page 14: ...Evacuation Charging After all of the refrigeration piping and system components have been assembled the entire system must be pressurized and checked for leaks When the system is leak free evacuate with a deep vacuum pump Triple evacuation should be done to a minimum of 500 microns and nitrogen sweep is recommended After the system has been thoroughly evacuated of all moisture and non condensable ...

Page 15: ...cal diagrams for this system All of the display case controls including the disconnect switch and the electronic case controls are installed on the case and pre wired 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 condensing unit is connected in the condensing unit co...

Page 16: ...al signal to each case to energize the defrost relay and initiate a defrost in all of the satellite cases A second set of interconnecting wires is connected in series between each of the cases Each case defrost heater is de energized when the coil reaches the defrost termination temperature An additional signal is relayed to the next case indicating that the termination temperature has been reache...

Page 17: ...he length 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 temperature and humidity More frost requires a longer defrost A lower defrost heater voltage extends the defrost duration Alternate Termination If it is not possible to terminate the defrost cycle b...

Page 18: ... serpentine coil is attached to the bottom of the pan to ensure pan and drain defrost The timer starts the hot gas defrost cycle by energizing a solenoid reversing valve or directional valve The hot gas is injected from the source into the suction line of the evaporator to be defrosted The hot gas flows into the serpentine coil attached to the floor of the case and then into the evaporator Condens...

Page 19: ... is fastened to the floor on the right hand side of the coil Remove fasteners holding the heater to the floor The U shape defrost heater can be removed by first pulling the front leg of the retaining clip away from the coil and sliding the heater out from under the clip The rear leg of the heater can then be removed by raising the retaining clips 2 at a time working from right to left on the coil ...

Page 20: ...Illustrations Case Label Information Figure 1 Case Label Information ILLUSTRATIONS Refer back to page 4 Front of Lineup 1 1 1 1 1 2 1 2 Front of Back to Back Lineup 1 1B 1 1B 1 2B 1 2B 1 1A 1 1A 1 2A 1 2A ...

Page 21: ...Illustrations Freezer to Cooler Leveling 19 Illustrations 2B Long Case Lineup 2A Short Case Lineup Figure 2 Freezer to Cooler Leveling Refer back to page 4 ...

Page 22: ...ions Leveling Cases Prior to Joining Illustrations 3C Shim placement at each base 3B Mark floor level differences 3A Measure and mark exact case outline Figure 3 Leveling Cases Prior to Joining Refer back to page 4 ...

Page 23: ...Illustrations RVLC30 Base Locations 21 Illustrations Figure 4 RVLC30 Base Locations Refer back to page 5 ...

Page 24: ...22 Illustrations RVLC30BB Base Locations Illustrations Figure 5 RVLC30BB Base Locations Refer back to page 5 ...

Page 25: ...Illustrations Case Squareness 23 Illustrations Figure 6 Case Squareness Refer back to page 5 ...

Page 26: ...24 Illustrations Shim Placement Illustrations Figure 7 Shim Placement Refer back to page 5 ...

Page 27: ...Illustrations Shim Orientation 25 Illustrations Figure 8 Shim Orientation Refer back to page 5 ...

Page 28: ...6 Illustrations RVLC30BB Wood Planks Illustrations SP 6061 REV A RELEASED BY DATE ECN No REVISION DESCRIPTION No TF 7 22 2015 11038 REVISION INFORMATION Figure 9 RVLC30BB Wood Planks Refer back to page 5 ...

Page 29: ...Illustrations Spacer Block 27 Illustrations Figure 10 Spacer Block Refer back to page 6 ...

Page 30: ...ive amounts of sealant may squeeze out of the case joint The sealant will spread out when the cases are joined 1 Apply 1 4 to 3 8 wide beads of Butyl caulk along the ceiling rear wall and base of the case where indicated by the dotted lines in the drawing Always apply 2 beads where specified 2 After cases are joined and tightened caulk the top and back exterior seams if possible to ensure a tight ...

Page 31: ...ssive amounts of sealant may squeeze out of the case joint The sealant will spread out when the cases are joined 1 Apply 1 4 to 3 8 wide beads of Butyl caulk along the ceiling rear wall and base of the case where indicated by the dotted lines in the drawing Always apply 2 beads where specified 2 After cases are joined and tightened caulk the top and back exterior seams if possible to ensure a tigh...

Page 32: ...usion 1 DOOR JOINT BETWEEN CASES CAULK END BRACKETS ARE FACTORY INSTALLED EXPLODED FOR CLARITY 5 3 1 4 4 2 CAULK EDGE BEFORE INSERTING 5 3 2 4 4 1 DOOR END MULLION END MULLION 7 6 5 Attach Item 5 to right case using Item 3 on top and bottom end bracket Then join cases using Items 1 2 4 Caulk case joints per caulking diagrams DOOR JOINT BETWEEN CASES CAULK END BRACKETS ARE FACTORY INSTALLED EXPLODE...

Page 33: ...oined before NSF caulking Avoid using excessive Butyl caulk to prevent it from coming out of the joints because Butyl and silicone sealants will not mix That will affect adhesion 2 Apply NSF approved sealant silicone based in small smooth beads where indicated by the dashed lines in the drawing Sealant must be added between cases at case joints between a case and an end panel and between all acces...

Page 34: ...32 Illustrations Drain Line Illustrations Figure 15 Drain Line Refer back to page 7 ...

Page 35: ...Illustrations Kick Plates Tinnerman Clips 33 Illustrations Figure 16 Kick Plates Tinnerman Clips Refer back to page 7 ...

Page 36: ... DECIMAL INCH PER SP 0404 JHZ DRAWN BY UNLESS OTHERWISE USA 53153 110 NORTH OAKRIDGE DRIVE NORTH PRAIRIE WISCONSIN REVISION INFORMATION ITEM NO 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 Refer back to page 10 ITEM PART 1 Coil Cover 2 Fan 3 Liquid Line 4 Suction Line...

Page 37: ...CIMAL INCH ZERO ZONE INC 110 NORTH OAKRIDGE DRIVE NORTH PRAIRIE WISCONSIN USA 53153 DESCRIPTION BY DATE ECN No REVISION DESCRIPTION No JHZ 11 26 2012 9651 REVISE BALLOON 14 DEFROST E REVISION INFORMATION TERMINATION PROBE LOCATION Refer back to page 10 ITEM PART 1 Coil Cover 2 Fan 3 Fan Housing 4 Coil 5 Check Valve 6 Serpentine 7 Heat Exchanger 8 TXV 9 Hand Valve Optional 10 Drier Optional 11 Chec...

Page 38: ...36 Illustrations Electrical Box Illustrations Figure 19 Electrical Box Refer back to page 11 ...

Page 39: ...10 F Suction Vertical Riser Sizing Maximum Allowable Riser Size For Adequate Oil Return 70 F Minimum Liquid Temperature using 0 35 PSI Per 100 Feet per 2006 ASHRAE Handbook Refrigeration For rated Btuh From To Vertical 1 360 2 550 1 2 2 560 4 270 5 8 4 280 6 790 5 8 6 800 13 900 7 8 13 910 24 300 1 1 8 24 310 38 400 1 3 8 38 410 80 000 1 5 8 80 010 142 000 2 1 8 If horizontal line size is smaller ...

Page 40: ...10 F 1 22 Suction Vertical Riser Sizing Maximum Allowable Riser Size For Adequate Oil Return 70 F Minimum Liquid Temperature using 0 35 PSI Per 100 Feet per 2006 ASHRAE Handbook Refrigeration For rated Btuh From To Vertical 1 210 2 280 1 2 2 290 3 810 5 8 3 820 6 050 5 8 6 060 12 400 7 8 12 410 21 600 1 1 8 21 610 34 300 1 3 8 34 310 71 300 1 5 8 71 310 127 000 2 1 8 If horizontal line size is sma...

Page 41: ...Illustrations Electric Defrost Wiring Diagram 39 Illustrations Figure 22 Electric Defrost Wiring Diagram Refer back to page 13 ...

Page 42: ...40 Illustrations Hot Gas Defrost Wiring Diagram Illustrations Figure 23 Hot Gas Defrost Wiring Diagram Refer back to page 13 ...

Page 43: ...Illustrations Master Satellite Wiring Diagram 41 Illustrations Figure 24 Master Satellite Wiring Diagram Refer back to page 13 ...

Page 44: ...M 2020 Zero Zone Inc All Rights Reserved APR 2020 For other technical support please refer to the Technical Resources page at WWW ZERO ZONE COM or contact the Zero Zone Service Department at 800 247 4496 All specifications subject to change without notice ...

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