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Wine Guardian DS200 Installation, Operation And Maintenance Manual

Ducted split wine cellar cooling systems
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Ducted Split
Wine Cellar Cooling Systems
Installation, Operation and
Maintenance Guide
Model DS025, DS050, DS088, DS200 (60Hz)
Model WGS40, WGS75, WGS100, WGS175 (50Hz)
Manufactured by:
Wine Guardian reserves the right, without notice, to make changes to this document at its sole discretion.
Please visit our web site for the most current version of the Wine Guardian manual and other literature.
Wine Guardian is a registered trademark (2,972,262) of Air Innovations, Inc.
Condensing Unit Patent No. U.S. D791295, EU 003189349-0001
Edition 09-2020
© Air Innovations, 2019
Part No. 15H0183-00

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  • Page 1 Wine Guardian reserves the right, without notice, to make changes to this document at its sole discretion. Please visit our web site for the most current version of the Wine Guardian manual and other literature. Wine Guardian is a registered trademark (2,972,262) of Air Innovations, Inc.

  • Page 2: Table Of Contents

    Wiring Diagram for DS088 and WGS100 Condensing Unit .............. 23 Wiring Diagram for DS200 and WGS175 Condensing Unit ............... 24 Ducted Split Systems Specifications - 60Hz Models DS025, DS050, DS088, DS200 ......25 Ducted Split System Specifications – 50 Hz Models WGS40, WGS75, WGS100, WGS175 ..... 26 Safety .......................
  • Page 3 Lockout/Tagout Procedure ........................28 Safety Considerations ..........................28 Safety Hazards ............................28 Electrical Hazards ..........................28 Electrical Shock Hazards ........................28 Hot Parts Hazards ..........................28 Moving Parts Hazards .......................... 28 Equipment Safety Interlocks ........................29 Main Power Switch ..........................29 Installation ......................
  • Page 4 Receiving and Inspecting ......................... 69 Handling and Installing ..........................69 Starting-up the Unit ..........................69 Starting-up and Operating the Wine Guardian Split System ......72 Turn on the Unit ............................72 Testing the Fan ............................72 Running the Unit ............................72 Cycling the Unit ............................
  • Page 5 Unit is operating and blows evaporator air but the supply air is not colder than the return air from the cellar ............................78 Humidity Issues ............................79 Too low, without optional humidifier ....................79 Humidity too low, with optional humidifier ..................79 Humidity too high when unit is running but not cooling ..............

  • Page 6: Directory Of Terms

    The Wine Guardian must offset this heat/gain loss. Inlet Air – The air returning from the wine room to the Wine Guardian fan coil. I.D. – Inside diameter NEC – National Electrical Code O.D.
  • Page 7 TXV – Thermal expansion valve VAC – Volts alternating current SP – Static pressure. Unit of measurement (inches of water column) of the pressure of the air handled by the fan. Set Point – The desired temperature or humidity set on the remote interface controller or humidistat.

  • Page 8: Receiving, Inspecting And Unpacking The Wine Guardian Unit

    Wine Guardian Ducted Split System consists of two separate components, the Wine Guardian fan coil and condensing unit Each Wine Guardian component is shipped in a corrugated box. A shipment may include one or more boxes containing accessories.  Lift at the designated handhold locations only or fully support from underneath.

  • Page 9: General Description

    NEC. Each Wine Guardian fan coil section is furnished with a sealed, UL-approved power cord and plug. All Wine Guardian 50Hz units carry the CE mark. Each unit is furnished with a sealed, CE- approved power cord. The Wine Guardian Ducted Split System Contains A Wine Guardian Fan Coil Unit with: ...

  • Page 10: Wine Guardian Fan Coil Unit

    Wine Guardian Fan Coil Unit The Wine Guardian fan coil unit meets its rated capacities for total BTU/H and CFM (watts and M for 50Hz) at design cellar conditions and external static pressures. The fan coil unit is capable of rated CFM (M /h for 50Hz) against the static pressure imposed by recommended ductwork.

  • Page 11: Accessories And Optional Equipment

    Wine Guardian unit. Each humidifier is furnished with a power cable connection to plug into the side of the Wine Guardian fan coil unit. It is then controlled by the same remote interface controller that is used for the operation of the Wine Guardian unit. The humidifier mounts directly onto the Wine Guardian unit and requires a water supply and drain for operation.

  • Page 12: Xtreme Low Ambient Illustrations

    Xtreme Low Ambient Illustrations Pressure cutout timer 33c0185-00 Fig. 1 Fig. 2...

  • Page 13: Overview Of The Wine Guardian Fan Coil

    Overview of the Wine Guardian fan coil Fig. 1 Wine Guardian dimension for split ducted systems DS025, WGS40, DS050, WGS75, DS088, WGS100, DS200, and WGS175 See diagram on next page for the condensing unit Model Number DS025 -WGS40 DS050/WGS75 (50Hz)

  • Page 14: Condensing Unit Dimensions

    Condensing unit dimensions DS050 COND, NO OPTIONS...

  • Page 15: Refrigeration Illustration Of The System

    Refrigeration Illustration of the system See next page for magnified image...

  • Page 16: Magnified Image Of The Condensing Unit

    Magnified Image of the Condensing Unit...

  • Page 17: Wiring Diagram For Ds025, Ds050, Wgs40, & Wgs75

    Wiring Diagram for DS025, DS050, WGS40, & WGS75...

  • Page 18: Wiring Diagram For Ds088 And Wgs100

    Wiring Diagram for DS088 and WGS100...

  • Page 19: Wiring Diagram For Ds200 And Wgs175 Units

    Wiring Diagram for DS200 and WGS175 Units...

  • Page 20: Wiring Diagram For Replacement Fan Motor (Xr 115/230 Models)

    Wiring Diagram for Replacement Fan Motor (XR 115/230 Models)

  • Page 21: Wiring Diagram For Ds025 And Wgs40 Condensing Unit

    Wiring Diagram for DS025 and WGS40 Condensing Unit...

  • Page 22: Wiring Diagram For Ds050 And Wgs75 Condensing Unit

    Wiring Diagram for DS050 and WGS75 Condensing Unit...

  • Page 23: Wiring Diagram For Ds088 And Wgs100 Condensing Unit

    Wiring Diagram for DS088 and WGS100 Condensing Unit...

  • Page 24: Wiring Diagram For Ds200 And Wgs175 Condensing Unit

    Wiring Diagram for DS200 and WGS175 Condensing Unit...

  • Page 25: Ducted Split Systems Specifications - 60Hz Models Ds025, Ds050, Ds088, Ds200

    Ducted Split Systems Specifications - 60Hz Models DS025, DS050, DS088, DS200...

  • Page 26: Ducted Split System Specifications - 50 Hz Models Wgs40, Wgs75, Wgs100, Wgs175

    Ducted Split System Specifications – 50 Hz Models WGS40, WGS75, WGS100, WGS175...

  • Page 27: Safety

    Following is a typical example of a Caution message as it could appear in the manual: RISK OF PERSONAL INJURY OR DAMAGE TO EQUIPMENT Improper installation may result in the equipment malfunctioning and a safety hazard. Read all of the installation instructions before installing the Wine Guardian unit...

  • Page 28: Lockout/Tagout Procedure

    Lockout/Tagout Procedure 1) Turn off the power switch (indicator light should be off) 2) Unplug the unit from the electrical outlet and cover the outlet to prevent accidently plugging in the unit. 3) Turn off circuit breaker or disconnect switch at condensing unit. Safety Considerations The equipment covered by this manual is designed for safe and reliable operation when installed and operated within its designed specifications.

  • Page 29: Equipment Safety Interlocks

    Main Power Switch The main power switch is located on the side of the Wine Guardian unit. (See Fig.1 on page 45) It shuts off the power to the fan coil unit. A separate disconnect switch will be wired to the condensing unit.
  • Page 30 CAUTION • Clean only with a dry cloth. • Never pressurize equipment above specified test pressure. See Wine Guardian Specification sheet on pages 24 & 25. • Do not use the Wine Guardian near water. • Do not block any supply or return air register or duct. Install in accordance with the instructions in this manual.

  • Page 31: Installation

    Installation CAUTION SHARP EDGES RISK OF SERIOUS INJURY Sharp edges are present inside the Wine Guardian system Pre-installation Test Test the system before installing it to check for non-visible shipping damage. To test the Wine Guardian fan coil section:  Set the system on the floor or a sturdy level surface.
  • Page 32  Use only dedicated power outlet boxes of the correct capacity and configuration for the unit model. CAUTION RISK OF PERSONAL INJURY OR DAMAGE TO EQUIPMENT Improper installation may result in the equipment malfunctioning and a safety hazard. Read all of the installation instructions before installing the Wine Guardian unit.

  • Page 33: Planning The Installation

    Planning the Installation IMPORTANT Installation of residential and commercial split systems must be performed by qualified service technicians with proper training in the installation, start up, service, and repair of these systems. Certification to handle refrigerants is also required. Addressing Items in the Planning Process ...

  • Page 34: Installing The Fan Coil Unit

    NOTE: Review Fig. 1 through Fig. 4 on the following pages before mounting the unit. Floor Mounting Mount the Wine Guardian fan coil on a plywood surface at least 12 inches (30.4cm) above the floor to keep it away from water. Allow adequate space for the external drain. Wall Mounting If the unit is mounted onto a wall, provide adequate support on both ends of the unit to accommodate the weight of the system.

  • Page 35: Ceiling Mounting

    Construct a structurally sound, level platform to place the unit on when hanging it from the ceiling joists. The Wine Guardian is NOT designed to be suspended from the top of the unit; it must be supported from the bottom. Place the unit on a platform to ensure that the unit is supported on all four corners.

  • Page 36: Floor Mount

    Floor Mount Supply air at ceiling, low wall return Fig. 1 Supply grille Supply duct Condensing unit Fan-coil 12” platform under fan-coil Return duct Return grille Ceiling Mount Supply grille Supply duct Threaded rod under ceiling structure Fan-coil Condensing unit Support under fan- coil Return duct...

  • Page 37: Wall Mount

    Wall Mount Fig. 3 Supply grille Supply duct Fan-foil Condensing unit Wall angle with support for fan-coil Return duct Return grille Optional ductwork connection on same wall Fig. 4 Wall-mounted supply grille Supply duct Condensing unit Fan-coil 12” platform Fan-coil Return duct Return grille...

  • Page 38: Installing The Ductwork And Grilles

    8 inches / 20.3cm 10 inches / 25.4cm DS088/WGS100 10 inches /25.4cm 8 inches / 20.3cm 10 inches / 25.4cm DS200/WGS175 12 inches/30.48cm 10 inches/25.4cm 12 inches/30.48cm CAUTION RISK OF DAMAGE TO EQUIPMENT Avoid crimping the flexible ducts. This chokes down the inside area and reduces the airflow, causing the unit to operate erratically.

  • Page 39: General Duct Recommendations

     Check that all the fan blades move freely.  Check for loose foreign objects in any of the air paths.  Connect the round flexible ducts to the Wine Guardian using the duct collars provided with the duct accessory kit.

  • Page 40: Installing The Condensate Drain Connection

    Empty the bucket periodically. The Wine Guardian unit is provided with a built-in drain trap. The drain trap creates a water seal to prevent air from backing up into the drain pan and causing the drain pan to overflow. Do not create secondary traps in the external drain line.

  • Page 41: Wiring The Fan Coil Unit For Power

    The electrical outlet and wiring installation must meet the national and local building codes Match the electrical wiring to the cord provided on the Wine Guardian. Provide dedicated circuit and wiring for the system. Match the wiring and breaker size to the rated load as shown on the serial plate and in this guide.

  • Page 42: Installing The Condensing Unit

    Installing the Condensing Unit • Condensing units are factory assembled with an aluminum outdoor enclosure for protection from the elements. • A minimum of 12 inches (30cm) is required around the perimeter of the condensing unit for proper airflow across the coil, and to provide an adequate discharge airflow path. Any obstructions to this airflow will result in a decrease in performance, and possibly premature failure due to a buildup of high pressure within the system.

  • Page 43: Split System Interconnecting Line Sizing Chart

    3/8 inches 5/8 inches 5/8 inches 50 feet 15 feet DS088 ½ inches 3/8 inches ¾ inches 5/8 inches 50 feet 15 feet DS200 ½ inches 50Hz Models Liquid Suction Min. Suction Maximum Maximum lift Model Line(OD) line at Suction line connection “total”...

  • Page 44: Sample Piping Configurations

    Sample Piping Configurations Incorrect Installation Correct Installation Evaporator Evaporator Condenser Creates an oil trap Condenser Evaporator Evaporator Condenser Condenser Creates an oil trap Oil runs away Condenser from condenser Condenser Evaporator Evaporator Condenser Condenser Soft copper sags and Evaporator creates an oil trap Evaporator...

  • Page 45: Leak Checking And Evacuation Process

    Leak Checking and Evacuation Process • Pressurize and leak test the interconnecting lines, including the fan coil unit, fittings, and brazed joints using the intended operating refrigerant, nitrogen, or dry air for leak testing. A pressure equal to the low side test pressure marked on the unit nameplate is recommended for leak testing.
  • Page 46 • Turn on power to the condensing unit 24 hours prior to system start-up to allow crankcase heater to warm up compressor crankcase. Recommended Unit Minimum AWG DS200; WGS175 DS088; WGS100 DS050; WGS75 DS025; WGS40 SS018; WGS25...

  • Page 47: Refrigerant Charging

    Refrigerant Charging NOTE: Models DS, and WGS utilize a Headmaster control valve to control head pressure at low ambient applications, therefore require a specific initial charging procedure as outlined below. Determining the amount of charge – Low ambient and extreme low ambient (XLA) systems - When “refrigerant side”...
  • Page 48 Charging of Systems with Sporlan Head Pressure Control in temperatures below 70° F (21°C) (After normal evacuation procedures): NOTE: When charging in ambient below 70°F (21°C) the procedure is very critical. Be sure to adhere to the following steps. Failure to do so will result in overcharging the system 1.

  • Page 49: Superheat

    WGS175 110-ounce total charge (3.12 kg) Additional Charge for Xtreme Low Ambient Systems (XLA Option) For systems that have Wine Guardian’s XLA option installed. Add the following additional charge to the system. SS018, DS025, DS050 4.0 oz WGS25, WGS40, WGS75...

  • Page 50: Split System Operations Chart

    DS088, DS200 6.0 oz WGS100, WGS175 6.0 oz Once the system has been charged compare the high side system pressure to the “discharge line pressure” found on the “Split System Operations Chart” on page 50 for proper operation. If actual discharge pressures do not match the chart then compare subcooling values as additional charge may be needed.
  • Page 51 WGS40 OD Ambient (F) Suction (psig) Discharge (psig) Suction Sub-cooling (F) Superheat (F) 10 ºF / -12 ºC 6 ºF / -14 ºC 17 ºF / -8 ºC 40 ºF / 4 ºC 12 ºF / 11ºC 26 ºF / -3 ºC 60 ºF / 15 ºC 19 º...

  • Page 52: Installing The Thermostat And Communication Cable

    When mounted outside of the wine cellar, a remote sensor kit or a second wireless remote interface must be purchased and installed within the wine cellar. IMPORTANT Regardless of wired or wireless each, Wine guardian System can have a maximum of two (2) Remote Interface Controllers and three (3) Remote Sensors.

  • Page 53: Controller Specification

    Additional Remote Interface: Prior to adding an additional remote interface to the system, you will have to change setting 30 on the first control to give it a different address. Refer back to page 60 for instructions on how to access the interface Settings, and get to Setting 30 (shown on page 65).

  • Page 54: Mounting The Remote Interface Controller (Wired)

    Mounting the Remote Interface Controller (Wired) 1. Disconnect the communication cable from the side of the Wine Guardian unit and the remote interface controller. (Fig. 1) a. Route the communication cable within the wall and/or ceiling structure of the wine cellar to the desired controller mounting location.

  • Page 55: Mounting The Remote Interface Controller (Wireless)

    Mounting the Remote Interface Controller (Wireless) 1. Disconnect the controller wire from the side of the Wine Guardian unit and save for future use. 2. Plan on mounting the remote interface controller on a solid surface away from doors, corners, air outlets, drafts or heat generating equipment.

  • Page 56: Installation Of The Wine Guardian Remote Sensor

    Mounting the Wired Remote Sensor (Wired) 1. Disconnect the communication cable from the side of the Wine Guardian unit and the remote sensor. Route the communication cable within the wall and/or ceiling structure of the wine cellar to the desired controller mounting location.
  • Page 57 Drill two one-eighth inch holes and insert anchors within the mounting surface. Anchors may not be required if securing to a wall stud or racking system. Insert the screws into the holes and test fit the backing plate for mounting to ensure it mounts easily onto the two screws and slides down onto the slotted openings freely.

  • Page 58: Mounting The Remote Sensor (Wireless)

    Mounting the Remote Sensor (Wireless) 1. Disconnect the controller wire from the side of Wine Guardian unit and save for future use. 2. Plan on mounting the remote sensor on a solid surface away from doors, corners, air outlets, drafts or heat generating equipment.

  • Page 59: Remote Sensor Pairing Instructions -Multiple Sensors (Wireless)

    Remote Sensor Pairing Instructions –Multiple Sensors (Wireless) If using multiple remote temperature/humidity sensors in your application, refer to the figures and the procedure below to change each remote sensor’s device number (Three Remote Sensors maximum). Each Remote Sensor must have its own device number and must also be on the same RF channel (Setting 31) as the system they are being paired with.

  • Page 60: Standard Controller Functions

    • Press the “Up” or “Down” arrows to adjust the humidity to the desired set point. Note: A Wine Guardian humidifier must be installed and Setting 6 set to “1” or “2” before the controller will let you change percent humidity.
  • Page 61 • Press “Settings” button to advance to Setting • Press the “Up” or “Down” arrow buttons to adjust to the desired setpoint. Factory default is zero (0). Zero (0) = No humidifier One (1) = Integral Wine Guardian mounted humidifier Two (2) = Stand-alone remote mounted humidifier...
  • Page 62 3 minutes. Factory default is 5 minutes. Compressor anti-short cycling time is the amount of allowable time between compressor stop and restart. Rapid start/stop of compressors can cause premature failure. WINE GUARDIAN DOES NOT RECOMMEND SETTINGS LOWER THAN FACTORY DEFAULT. Defrost sensor Setting 9 enable/disable •...
  • Page 63 Defrost cut-out Setting 11 temperature • Press "Settings" button to advance to Setting • Press the “Up” or “Down” arrow buttons to adjust to the desired setpoint. This setting is adjustable from 35°F to 50°F. Factory default is 40°F. Note: This setpoint must be 1°F/°C higher than setting 10.
  • Page 64 Differential Setting 15 temperature • Press “Settings” button to advance to Setting adjustment • Press the “Up” or “Down” buttons to adjust to the desired setpoint. This setting changes the system/compressor turn-on temperature above setpoint. Factory default is 1°F. Example: Sensor reading = 55°F (13°C) Setting 17 set to +3°F System/compressor turns on at 58°F (14°C) Temperature...
  • Page 65 Define remote Setting 30 user interface • Press “Settings” button to advance to Setting • Press the “Up” or “Down” buttons to adjust to the desired setpoint. 1 = Remote User interface #1 mounted within the wine room space and enabled 2 = Remote User interface #2 mounted within the wine room space and enabled 3 = Remote User Interface #1 disabled - will...
  • Page 66 Setting 43 Thermistor 4 • Press “Settings” button to advance to Setting No setting adjustment. Displays the defrost sensor temperature. Reserved Setting 44-49 Reserved for additional fields. Output test Setting 50 • Press “Settings” button to advance to Setting • Press the “Up” or “Down” buttons to adjust to the desired setpoint.

  • Page 67: Alarm Codes

    Alarm Codes High temperature Flashing temperature number along with (!) alarm symbol will remain on screen until Flashing temperature temperature falls below the High number Temperature Alarm set point (Setting 3). Flashing temperature number along with (!) Low temperature alarm symbol will remain on screen until temperature rises above the Low Flashing temperature...
  • Page 68 “!4” will remain on screen until communication is re-established. !WARNING! Only one Unit can be set up at a time. Ensure other units are unplugged while pairing a unit to ensure there are no communication issues between Wine Guardian Units...

  • Page 69: Inspection And Start Up Checklists

    Inspection and Start Up Checklists Receiving and Inspecting  Unit received undamaged  Unit received complete as ordered including accessories Handling and Installing  Unit mounted on solid level surface  Sufficient space allowed for access to unit and accessories ...
  • Page 70 WG SPLIT SYSTEM START-UP CHECKLIST System Information Fan Coil Serial Number: Condenser Serial Number: (Located to the right of the main control (Label located near refrigerant piping) panel) Customer Information First Name: Last Name: Address: City: State: Zip: Date of Purchase: Email: Phone #: Installer Information...
  • Page 71 Pre-Start-Up Is there any shipping damage? If so, Where? Will this damage prevent unit start-up? Check power supply. Does it agree with unit? Has the ground wire been connected? Has the circuit protection been sized and installed properly? Are the power wires to the unit sized and installed properly? Have compressor hold down bolts been loosened (snubber washers are snug, but not tight)? Controls Are thermostat and indoor fan control wiring connections made and checked?

  • Page 72: Starting-Up And Operating The Wine Guardian Split System

    Starting-up and Operating the Wine Guardian Split System Now that the installation is complete, check to make sure all ductwork and electrical connections are secure. Replace all panels that were removed during installation. Check that all the openings in the unit are covered with a blank panel, a ductwork connection or a grille.

  • Page 73: Cycling The Unit

    Changing the Air Flow Direction The optional grilles furnished with Wine Guardian are single directional. Rotate the grilles to change the direction of the air flow. When using multiple supply ductwork, it is necessary to balance the air flow between the ductwork.

  • Page 74: Maintenance

    RISK OF SEROUS INJURY SHARP EDGES ARE PRESENT ON THE FAN WHEELS, HOUSING, FINS AND COILS NOTE: Maintenance on Wine Guardian units requires working with high voltage and sheet metal with possible sharp edges. Only qualified personnel should perform maintenance. Some tasks require knowledge of mechanical and electrical methods.

  • Page 75: Cleaning The Condensate Drain System

    Cleaning the Condensate Drain System The condensate drain system traps dust and dirt. Clean the drain system once a year. 1. Shut off the rocker switch and unplug the unit. 2. Remove the duct on the evaporator inlet. 3. Inspect the drain pan under the coil. 4.

  • Page 76: Maintenance Schedule

    Maintenance Schedule Monthly  (or quarterly depending on experience with individual cellar) Check and drain trap – clean if needed.  Check for noise or vibration.  Check for short-cycling of the unit – a turning on and off of the compressor unit more than eight times/hour.

  • Page 77: Troubleshooting

    Troubleshooting WARNING BEFORE PROCEEDING, READ AND UNDERSTAND THE SAFETY INFORMATION CONTAINED IN THE SAFETY SECTION OF THE WINE GUARDIAN MANUAL Typical start up problems Possible Cause Solution Loose, improper or defective remote Check power, and remote interface controller or humidistat cable...

  • Page 78: Unit Is Operating And Blows Evaporator Air But The Supply Air Is Not Colder Than The Return Air From The Cellar

    Unit is operating and blows evaporator air but the supply air is not colder than the return air from the cellar Possible Cause Solution Remote interface controller not set up Check remote interface controller setup in properly the manufactures guide High pressure switch open (button up) Compressor not operating Alarm will appear on remote interface controller...

  • Page 79: Humidity Issues

    Humidity Issues Too low, without optional humidifier Possible Cause Solution No moisture being added to cellar Add Wine Guardian humidifier or a room humidifier Humidity too low, with optional humidifier Possible Cause Solution Humidifier not operating Check wiring for loose, broken or frayed...

  • Page 80: Unit Operates But The Power Switch Light Is Not On

    High Pressure Switch has Shut the Unit Down Every Wine Guardian unit has a manual reset high pressure switch in the refrigeration system. This switch shuts the compressor and condenser down if the head pressure in the system is too high.

  • Page 81: Advanced Troubleshooting

    Advanced Troubleshooting IMPORTANT This section is intended for qualified refrigeration service technicians only. The technician should repeat all of the previous troubleshooting steps before taking action on these more technical solutions. Evaporator Coil is Freezing Possible Cause Solution Charge too low Check sight glass Check for leaks Add refrigerant...

  • Page 82: Contact And Warranty Information

    Warranty and Warranty Procedure The Wine Guardian unit serial number is on the serial plate and noted on all packing lists and bills of lading and, along with the shipping date, is kept on file at Wine Guardian for warranty purposes. All correspondence regarding warranty must include the model number and serial number of the unit involved.

  • Page 83: Warranty

    Warranty GENERAL Wine Guardian warrants, to the original buyer, its goods and all parts thereof to be free from defects in material and workmanship for a period of two (2) years from the date of invoicing assuming NORMAL USE AND SERVICE.

This manual is also suitable for:

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