Related Manuals for Master Bilt QMVM-L SERIES
Summary of Contents for Master Bilt QMVM-L SERIES
- Page 1 Installation & Operations Manual for QMVM-L SERIES Open Display Merchandisers PN 57-01436 Rev 5-24-11...
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Page 2: Table Of Contents
How to change parameters…………………………………………………………………………………9 Alarm Buzzer and Signals..…………………………………………………………………………………9 ELECTRICAL CONNECTIONS………………………………………………………………………………..……...10 PROBE CONNECTIONS……………………………………………………………………………………..………..10 SENSOR PROBE TEMPERATURE AND RESISTANCE………………………………………………..………...10 SERVICE INSTRUCTIONS (Trouble Shooting Guide)…………………………………………………..……….11 MASTER-BILT PART NUMBERS…………………………………………………………………………..………..12 ACCESSORIES LIST………………………………………………………………………………………..…………13 SALE AND DISPOSAL……………………………………………………………………………………..……….…13 QMVM-36L, 48L WIRINGDIAGRAM ………………………………………….…………………………..……14-15 QMVM-36E WIRING DIAGRAM……………………..……………………………….…………..….….….……..16-17 QMVM-48E WIRING DIAGRAM…………………………..…………………………….…………………………18-19... -
Page 3: Introduction
The Master-Bilt QMVM should not be positioned where it is directly exposed to rays of the sun or near a direct source of radiant heat or air flow. No HVAC return or supply air ducts may be located near case openings. This will adversely affect the case air flow and will result in poor performance. -
Page 4: Warning Labels And Safety Instructions
This is important installation, operation or service information. If you ignore the message, you may damage your cabinet. The warning and safety labels shown throughout this manual are placed on your Master-Bilt Products cabinet at the factory. Follow all warning label instructions. If any warning or safety labels become lost or damaged, call your customer service department at (662) 534-9061 for replacements. -
Page 5: Installation Instructions
If moisture or liquid is observed around or under a Master-Bilt cabinet, an immediate investigation should be made by qualified personnel to determine the source of the moisture or liquid. The investigation made should determine if the... -
Page 6: Electrical
ELECTRICAL WARNING Before servicing electrical components in the case make sure all power to case is off. Always use a qualified technician. STARTING PROCEDURE Start compressor and allow the case to pull down to 42 degrees or below before placing product into the QMVM. -
Page 7: Loading
LOADING Do not place product in the case until 2 hours after it is started. Stock cases as quickly as possible, exposing only small quantities to store temperatures for short periods of time. It is important to keep stock rotated properly so that older stock does not accumulate. -
Page 8: Electronic Temperature Control
MASTER-BILT ELECTRONIC REFRIGERATION CONTROL Display Lay-out Compressor When power is first turned on to the control, the LED indicator under COMP on the display starts blinking. After one-minute delay the compressor comes on. The LED indicator stays on while compressor relay is energized. -
Page 9: Electrical Connections
HOW TO CHANGE THE SETPOINT HOW TO CHANGE a parameter value LIST OF PARAMETERS Here is a list of the parameters the value of which can be changed in the programming mode, as well as their ranges. Display Master-Bilt’s Parameter Symbol Range Setting Temperature Set Point SPL…SPH... -
Page 10: Sensor Probe Temperature And Resistance
SENSOR PROBE TEMPERATURE AND RESISTANCE NTC10K Temperature-Resistance Temp (ºC) Temp (ºF) R-low (Kohm) R-center (Kohm) R-high (Kohm) 188.021 195.652 203.573 142.788 148.171 153.741 109.522 113.347 117.294 84.823 87.559 90.374 66.270 68.237 70.255 52.229 53.650 55.104 41.477 42.506 43.557 33.147 33.892 34.651 26.678 27.219... -
Page 11: Service Instructions (Trouble Shooting Guide)
SERVICE INSTRUCTIONS (Trouble Shooting Guide) High head pressure and high back pressure: Condenser coil clogged or restricted. Condenser fan motor defective. Low back pressure and low head pressure: Restriction in system. Refrigerant undercharged. Leak in system. Pressures normal – cabinet warm: Coil blocked with frost or ice (see #4). -
Page 12: Master-Bilt Part Numbers
MASTER-BILT PART NUMBERS The table below gives Master-Bilt part numbers. Use this chart when ordering replacement parts for your QMVM cases. All quantities are one each unless otherwise noted by parentheses. Description QMVM-36E QMVM-48E QMVM-72E Shelves and overhead Ballast 23-01709... -
Page 13: Accessories List
OWNER RESPONSIBILITY If you sell or give away your Master-Bilt cabinet you must make sure that all safety labels and the Installation - Service Manual are included with it. If you need replacement labels or manuals, Master-Bilt will provide them free. Contact the customer service department at Master-Bilt at (800) 684-8988.