Zero Zone RVZC30 Installation And Operation Manual
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Zero Zone RVZC30 Installation And Operation Manual

Reach-in freezers
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Summary of Contents for Zero Zone RVZC30

  • Page 2 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 3: Table Of Contents

    ELECTRICAL ..............21 OPTIONAL ELECTRICAL WIRING ........21 Single Point Connection ..........21 Master Satellite Connection ........... 21 Figure 21: Electric defrost 30” wiring ......22 Figure 22: Electric defrost 24” wiring ......23 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 4: Introduction

    OF DELIVERY AND ALL CLAIMS FOR DAMAGES MUST BE The information contained in this manual pertains to the Evolution FILED WITH THE TRANSPORTATION COMPANY - NOT WITH display freezers which include: ZERO ZONE. The carrier will supply necessary report and claim forms. RVZC30 RVZC24...
  • Page 5 Figure 1. Case label information 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 6: Installation

    These instructions should be read and followed before the line up is assembled. alternate installation methods visit www.zero-zone.com. C. Shim joints to equal highest points Figure 2: Leveling cases prior to joining 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 7 Base Shim Hat section Figure 3: Typical hat channel locations Base Both corners of the base must be supported by shims to prevent base buckling Figure 4: Shims under bases and case 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 8 Wrap Around Case (WA) 1 Door Case Back-to-Back Wrap Around Case (WB) Figure 5A: All base locations 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 9 Figure 5B: All base locations 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 10 Figure 5C: All base locations 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 11: Case Movement

    4 or 5 door cases with 4 1/2” bases. For low shipping height applications, Zero Zone has optional expandable bases. As shipped, the base is 1¾” tall. It is...
  • Page 12 Figure 6: Removing wood planks Figure 7: Wood block inside base Spacers Figure 8: Expandable base 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 13: Line Up Assembly

    If 4 shipping blocks are installed to inside of base ends, remove them to comply with NSF. Figure 9: Caulking cases to be joined 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 14: Drain Line

    Install the tee to the outlet pipe and a drain trap to the tee. Plug level. The drain trap should be primed with water after installa- the open end of the tee using the clean-out plug supplied with tion. Figure 12: Trap Support 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 15: Bumper And Kick Plate

    Installing Bumper (Figure 14) The front kick plate and bumper attaches using 1½” screws A custom Zero Zone bumper is standard on all case models attached to brackets located on the front of the case. The kick and should be installed at the bottom front of the case. Vari- plate can be adjusted up and down to fit the height of the floor ous bumper styles are available (Figure 13).

  • Page 16: Under Case Return Air Flow Assembly Instructions

    2. With the spacers in place, air will be allowed to flow between the bumper and kick plate and then underneath the case. The target airflow rate under the case should be 50 cfm/door. Figure 15: Bumper air flow 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 17: Refrigeration

    The suction and liquid lines may be taped together to form an typically run at the higher end of this range to avoid flood external heat exchanger. Insulate the tubing for at least 20 feet back. from the case outlet. 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 18 R-404 Line Sizing Tables for Zero Zone VZ Frozen Food Freezer (-7°F Evaporator Temperature) Liquid Line Sizing - Electric Defrost* Up to 50 equivalent feet Up to 100 equivalent feet Up to 150 equivalent feet Up to 200 equivalent feet Δ...
  • Page 19 R-404 Line Sizing Tables for Zero Zone VZ Ice Cream Freezer (-16°F Evaporator Temperature) Liquid Line Sizing - Electric Defrost* Up to 50 equivalent feet Up to 100 equivalent feet Up to 150 equivalent feet Up to 200 equivalent feet Δ...

  • Page 20: Temperature Control Adjustment

    After the system has been thor- oughly evacuated of all moisture and non-condensable gas, charge the system with the proper refrigerant, using “hi-side/ low-side” charging techniques. Figure 20: Temperature control 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 21: Electrical

    The controls operate the system as a pump down defrost. When the display case begins defrost the liquid line solenoid valve, fans and anti-sweat heaters are de-energized. The defrost heaters are energized. The compressor continues to 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 22 Figure 21: Electric defrost 30” wiring 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 23 Figure 22: Electric defrost 24” wiring 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 24 Figure 23: Hot gas wiring 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 25 Figure 24: Single point wiring 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 26 Figure 25: Master satellite wiring 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 27: Defrosting

    Duration: plete. Electric defrost does not require any drip time because Zero Zero Zone VZ and VZT 30” door electric defrost freezers are Zone provides a built-in fan delay thermostat. also equipped with a high-limit, snap-disc thermostat that de- Electric defrost Fail-safe Times: energizes the defrost heater if the coil temperature exceeds 80°F to provide a secondary safety termination.

  • Page 28: Electric Defrost Operation

    ANTI-SWEAT DOOR HEATERS TO REMAIN OFF UNTIL THE COMPRESSOR IS OPERATING AND THE COIL TEMPERA- Zero Zone freezers equipped for gas defrost consist of a side TURE IS BROUGHT BELOW THE THERMOSTAT CUT-IN SET- port distributor and a TXV check valve for coil defrost, and a TING (+5°F ).
  • Page 29 Figure 26: 30” Electric Figure 27: 24” Electric 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...
  • Page 30 Figure 28: Coil 30” Hot gas Figure 29: Coil 24” Hot gas 0407 RVZC30 (and BB/T/TBB/WA), RVZP30 (and BB/T/TBB/WA), RVC24...

  • Page 31: User Information

    Shelves The evaporator coil, located at the rear bottom of the case, is Zero Zone manufactures many different styles of shelves, bas- factory assembled with distributor, expansion valve, and other kets and product stops. The shelves and baskets are placed on refrigeration components.

  • Page 32: Defrost Heater Element

    Repeat this process until the retaining clips are free of the coil. The heater will slide up with Most Zero Zone case ballasts are located in the door mullion. the retaining clip. Ballasts for the 1 door, WA & WB, are located behind the kickplate.

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