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Split Low-Profile Cooling System
Operation Care Installation Manual
WM-2520SSL WM-2520SSL-LA
WM-4520SSL WM-4520SSL-LA
WM-6520SSL WM-6520SSL-LA
WM-8520SSL WM-8520SSL-LA
Read and save these instructions
Vinotemp International Corp
732 South Racetrack Road, Henderson, NV 89015
Tel: (800) 777-VINO Fax: (310) 886-3310 Email: info@vinotemp.com
www.vinotemp.com
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Summary of Contents for Vinotemp WINE-MATE WM-2520SSL
- Page 1 Split Low-Profile Cooling System Operation Care Installation Manual WM-2520SSL WM-2520SSL-LA WM-4520SSL WM-4520SSL-LA WM-6520SSL WM-6520SSL-LA WM-8520SSL WM-8520SSL-LA www.vinotemp.com Read and save these instructions Vinotemp International Corp 732 South Racetrack Road, Henderson, NV 89015 Tel: (800) 777-VINO Fax: (310) 886-3310 Email: info@vinotemp.com...
- Page 2 Important Safety Information WARNING To avoid the risk of electrical shock, property damage, personal injury, or death: • The power cord must be plugged into a 3-prong grounding type wall receptacle, grounded in accordance with the National Electrical Code, ANSI/NFPA 70 – latest edition and local codes and ordinances. •...
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Page 3: Table Of Contents
Table of Contents Cellar Construction Guide ----------------------------------------- 3 Features & Specifications Temperature & Humidity Care Guide- User’ Troubleshooting Installer’s Instructions- Electrical Wirings -- Warranty --- --- -- - -- -- --- - --- --- -29... -
Page 4: Cellar Construction Guide
Cellar Construction Guide This is only a guide and shall be considered as the minimum requirements. All interior walls, ceilings and floors shall have a vapor barrier and a minimum of R13 insulation. All exterior walls and ceiling shall have a vapor barrier and a minimum of R19 insulation. -
Page 5: Features & Specifications
Features and Specifications • WINE~MATE split low-profile cooling systems WM-2520~8520SSL and WM- 2520~8520SSL-LA are designed to provide a cold environment between 50~65 °F with a humidity range within 50~70% RH for a properly insulated wine cellar. • These temperature and humidity ranges are optimized for long term storage of wine like that in natural caves. - Page 6 If the condensing unit will operate below 50°F, install a low CAUTION ambient condition kit. NOTE The cooling capacity is determined under 55°F cellar temperature, 75°F cellar ambient temperature and 90°F condensing unit ambient temperature, with R13 interior and R19 exterior insulations. Higher ambient temperatures or lower insulations will cause reducing capacity and the cellar temperature may not be maintained at 55°F.
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Page 7: Temperature & Humidity
Temperature and Humidity 1. The controller Fig. 2 TEMPERATURE CONTROLLER 1) Keys SET: To display set-point; in programming mode it selects a parameter or confirms an operation. : To start a manual defrost. : To see the maximum stored temperature; in programming mode it browses the parameter codes or increases the displayed value. - Page 8 4) Alarm Signals The alarm codes are described as follows. MESSAGE CAUSE FUNCTION Temperature probe Compressor switching to Con and faulty High temperature Probe temperature ALU higher than alarm setting temperature; Outputs unchanged Low temperature Probe temperature ALL lower than alarm setting temperature;...
- Page 9 5. Manual Defrost Press and hold the defrost key until defrost starts. The defrost indicator will be 6. Parameter Programming keys until the “°C” or “°F” LED starts flashing, 1) Press and hold the SET + then release the keys. 2) Press and hold again the SET + keys until the Pr2 label is displayed, then release the keys.
- Page 10 7. How to calibrate the air probe If the actual cellar temperature differs from the setting temperature, set parameter ot = actual cellar temperature minus set-point. 8. How to adjust defrost settings In case there is excessive frost, the parameters FnC = C-y, idF = 4 and MdF = 20 can be used to avoid frost.
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Page 11: Care Guide
Care Guide In general, always unplug system or disconnect power while doing care. 1. Condenser Coil Cleaning • Clean the condenser coil regularly. Coil may need to be cleaned at least every 6 months. • Use a vacuum cleaner with an extended attachment to clean the coil when it is dusty or dirty. -
Page 12: User' Troubleshooting - -11
User’s Troubleshooting This Troubleshooting Chart is not prepared to replace the training required for a professional refrigeration service person, not is it comprehensive. Complaint Possible Causes Response 1. Unit not Power cord not plugged Check power cord running No power from supply Check receptacle and fuses Incorrect or loose wirings Check all wirings and connections... - Page 13 6. Temperature Improper cellar insulation & seal Check insulation, gasket and door high or not opening Cellar too large cooling and Check for excessive size Ambient temperature too high running Check installation location Exhaust restricted continually Leave minimum 3 feet clearance for the hot air exhaust side and leave -12-...
- Page 14 minimum 1 foot clearance for the ambient air intake side Malfunctioning fans Check for both evaporator and condenser fans Evaporator or condenser airflow Check for air restrictions, air short- circulation, grille directions Dirty Condenser Clean condenser Iced evaporator Defrost and reset temperature Refrigeration system restriction Call service Refrigerant leak...
- Page 15 Not stopping due to air leak, high Check for seal, door opening, ambient ambient temperature or low temperature temperature setting temperature setting Defective controller or probe Check for controller and probe Low ambient temperature Change defrost settings Initially working then stopping, Call service moisture in the system Refrigerant low or leaking...
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Page 16: Installer's Instructions
WINE~MATE split system is shipped as components and is ready for use only after a certified refrigeration technician has properly installed the system. Proper installation is critical. Vinotemp can only warrant the quality of the components. The installation and proper operation of the system must be warranted by the installer. - Page 17 Parts not included: Liquid line copper tubing Suction line copper tubing Liquid and suction line locations may differ from that they are shown CAUTION below, please check on the units for proper installations. To prepare rough-in, leave minimum 4” clearances for electrical NOTE wiring and refrigeration piping.
- Page 18 Fig. 3 Temperature Controller (4.5”L X 4.5”W X 3.75H) -17-...
- Page 19 Fig. 4 WM-252SFCL Evaporator Unit Fig. 5 WM-452~852SFCL Evaporator Unit -18-...
- Page 20 Fig. 6 WM-252~452SCUR Condensing Unit Fig. 7 WM-652~852SCUR Condensing Unit -19-...
- Page 21 Fig. 8 WM-Liquid Filter Fig. 9 WM-Liquid Indicator 2. Temperature Controller and Air Probe Location 1) The temperature controller can be mounted either inside or outside the wine cellar, but the air probe must be located inside. 2) The air probe shall be located in the wine cellar 5 ft above the floor or the air return area, but it shall not be located in the air supply area or other areas where air is not circulated.
- Page 22 1) Place the condensing units WM-252~852SCUR in a properly ventilated location. Otherwise, heat exhausted by the condensing unit will build up and the cooling system will not operate properly. 2) Condensing unit shall be elevated to avoid possible flooding and shaded from direct sun.
- Page 23 6. Connecting Electrical Wires Connect all electrical components using the wiring diagrams in accordance with all state and local codes. 7. Evacuating, Charging and Starting the System 1-Manifold High or Low Pressure Hose; 2-Receiver Discharge or Compressor Suction Port; 3-Liquid or Suction Line; 4-Pressure Control; BACK POSITION FRONT POSITION MIDDLE POSITION...
- Page 24 1) Turn both discharge and suction valves in the middle positions. 2) Connect the manifold high or low pressure hose to the discharge or suction valve and connect it to a vacuum pump. 3) Open the manifold high and low pressure valves to evacuate the system. 4) Close the manifold high and low pressure valves and switch it to a charging scale.
- Page 25 B. PS2 Dual Control Fig. 13 Adjustable Pressure Control III. Low ambient condition kit (if applicable) The crankcase heater The crankcase heater is installed at the bottom of the compressor and shall be turned on all the time. The heater is self-regulated. The condenser fan control The condenser fan control is installed at the high side.
- Page 26 Fig. 14 Condenser Fan Cycle Control 2) The subcooling at the condensing unit shall be around 10°F. The charge may be complete when there are no more bubbles forming in the liquid indicator. 3) The head pressure shall be 120 ~ 150 psig at 70 ~ 90 °F condensing unit operating temperatures.
- Page 27 9) Turn both discharge and suction valves in the back positions. 10)Disconnect the manifold. 9. Pressure, Superheat and Subcooling Readings To read properly, the service valves must be in the middle positions. CAUTION Complaint Possible Causes 1) High suction pressure 1) Compressor may be bad head pressure Zero superheat and zero subcooling...
- Page 28 High superheat and normal subcooling 13)Low suction pressure and high Both evaporator head condenser restricted; liquid pressure suction lines High superheat and high subcooling connected wrong Liquid line restricted before suction pressure and high head receiver pressure High superheat and high subcooling Condenser restricted low to normal suction pressure and high head pressure...
- Page 29 Electrical Wiring Diagrams Hidden lines are the field wirings CAUTION Use minimum 14 gauge wires for power lines. If equipped with low ambient condition kit, use low ambient temperature wiring diagrams. A safety switch is always recommended for the condensing unit. Fig.
- Page 30 Fig. 17 WM-2520~4520SSL-LA Electrical Wiring Diagram Fig. 18 WM-6520~8520SSL Electrical Wiring Diagram -29-...
- Page 31 Fig. 19 WM-6520~8520SSL-LA Electrical Wiring Diagram -30-...
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Page 32: Warranty
If the product is defective due to workmanship or materials, is removed within twelve months of the initial sale and is returned to VINOTEMP, in the original shipping carton, shipping prepaid, VINOTEMP will at its option, repair or replace the product free of charge. - Page 33 VINOTEMP will, at its discretion, repair or replace the unit and return it free of charge to the original retail customer. If the unit is found to be in good working order, or beyond the initial twelve month period, it will be returned freight collect.
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