Manual - Webstaurant Store
Contents
1. Installation and Operations Manual for ANGLED ICE CREAM MERCHANDISERS Standex 143538 Rev A 07 11 Food Service Equipment Group TABLE OF CONTENTS INTRODUCTION STORE CONDITIONS WARNING LABELS AND SAFETY INSTRUCTIONS PRE INSTALLATION INSTRUCTIONS Inspection for Shipping Damage INSTALLATION INSTRUCTIONS General Instructions Mechanical Location SERVICE INSTRUCTIONS Electrical Special Service Situations Operating Conditions and Pressures Temperature Sensor Defrost Heater and Fan Motor Replacement Dixell Electronic Refrigeration Control Operations Defrost amp Manual Defrost Temperature Setpoint List of Parameters Alarm Signals Electrical Connections Probe Connections SENSOR PROBE TEMP AND RESISTANCE FAN OPERATION amp VIBRATION VOLTAGE CHECK FINAL CHECK LIST PARTS LIST SALE AND DISPOSAL WIRING DIAGRAM ooo OP W WO 11 12 INTRODUCTION This manual contains important instructions for installing using and servicing your Novelty Display case A parts list is included with this manual Read all these documents carefully before installing or servicing your equipment STORE CONDITIONS The case are designed to operate in the controlled environment of an air conditioned store The store temperature should be at or below 75 F and a relative humidity of 55 or less At higher temperature or humidity co2. all copies prior to signing If damage is discovered when the cabinet is uncrated immediately call the delivering truck line and follow up the call with a written report indicating concealed damage to your shipment Ask for an immediate inspection of your concealed damage item Crating material must be retained to show the inspector from the truck line INSTALLATION INSTRUCTIONS GENERAL INSTRUCTIONS 1 Be sure the equipment is properly installed by competent service people 2 Keep the equipment clean and sanitary so it will meet your local sanitation codes Clean the cabinet with a mild detergent and water then rinse 3 Rotate your stock so that older stock does not accumulate This is especially important for ice cream A First In First Out rotation practice will keep the products in good salable condition 4 Do not place product in the case when it is soft or partially thawed Also product should not be put in the case for at least 6 hours after it is started 5 Stock cases as quickly as possible exposing only small quantities to store temperatures for short periods of time 6 When replacing burned out fluorescent tubes be sure that the electrical power to the lighting circuit is turned off MECHANICAL Remove front grille and check refrigeration lines to see that they are free not touching each other or compressor Spin condenser fan blade to see that it is free LOCATION Remove cabinet from crate base and slide int
3. screws from coil mounting straps spring straps open remove heater shield pull heater out of slots in coil fins To change fan motor disconnect fan motor leads remove screws from fan guards and motor mounts DIXELL ELECTRONIC REFRIGERATION CONTROL OPERATION 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 COMP LED indicator stays on while compressor relay is energized Display will show actual box temperature Figure 4 is the display layout The compressor will be cycled off when the actual box temperature reaches its set point The COMP indicator will be off Fig 4 Display Lay out Fan fans will run constantly except when a defrost is initiated or when the evaporator temp is above the 30 F When in defrost mode the fan is off until the end of the defrost and the 2 minute drip time has passed There is 4 minutes delay after a defrost before the fan comes on The difference of the evaporator and room temperature of more than 9 F will override the fan delay FAN LED indicator is on while FAN relay is energized Defrost The control uses demand defrost with at least one defrost per day for oil return safety The control can be used for scheduled defrost A programmed HOT KEY has to be used to re set the defrost scheme for special applications During defrost the display will show dF an
4. compressor is initially starting The cabinets are designed to operate at 10 of 115 60 1 This means at time of start up the voltage should be between 103 volts and 126 5 volts at the compressor FINAL CHECK LIST A Check operating pressures B Check electrical requirements of unit to supply voltage C Set temperature control for desired temperature range D Check system for proper defrost settings and operation m Check condensing unit for vibrating or rubbing tubing Dampen and clamp as required PART LIST The table below gives part numbers Use this chart when ordering replacement parts for your Novelty Display cabinets Always Advise Cabinet Serial Number When Ordering Parts Description MF122 Ballast Electronic 2 Lamp 23 01704 Coil Defrost Heater 17 09407 Compressor 03 14799 Condenser Coil 07 13241 Condenser Fan Blade 15 13093 Condenser Fan Motor 13 00311 Condenser Fan Motor Bracket 13 13165 Contractor 19 13936 Front Grille 67 18101 White Rear Grille 67 102 White 67 202 Black Door Frame Heater 17 09083 Door Gasket 37 01313 Door Hinge 35 01450 Drain Line Heater 17 00404 Drier 09 091 71 Door Handle 35 01612 Dixell Controler 19 14085 Dixell Sensor Assy 20 19 13932 Evaporator Coil 07 13288 Evaporator Fan Blade 15 13072 Evaporator Fan Guard 25 01280 Evaporator Fan Motor 13 13075 Expansion valve FBSE 1 4 2P BP 05 09 09757 Fl
5. cting cables make sure the power supply complies with the control s requirements Separate the probe cables from the power supply cables from the outputs and the power connections Do not exceed the maximum current allowed on each relay in case of heavier loads use a suitable external relay PROBE CONNECTIONS The probes shall be mounted with the bulb upwards to prevent damages due to casual liquid infiltration It is recommended to place the thermostat probe away from air streams to correctly measure the average room temperature Place the defrost termination probe among the evaporator fins in the coldest place where most ice is formed far from heaters or from the warmest place during defrost to prevent premature defrost termination SENSOR PROBE TEMPERATURE AND RESISTANCE Temperature Resistance C Ohms 29 2 34 683 100 20 2 29 499 200 9 4 23 347 100 0 4 18 259 500 10 4 12 185 200 19 4 141 200 30 2 1 103 100 32 0 0 97 950 39 2 4 80 040 50 0 10 59 700 60 8 16 45 000 69 8 21 35 820 80 6 27 27 500 89 6 32 22 210 OPERATION AND VIBRATION VOLTAGE CHECK Check the operation of the fan blade and also check for vibration noises due to refrigerant lines rattling against one another While the cabinet is in operation check the voltage draw and the amperage draw versus this rating on the nameplate Voltage should be checked at the compressor terminals while the
6. d the LED indicator under dF in on MANUAL DEFROST 1 Push this ee key for more than 2 seconds and a manual defrost will start 2 While in defrost Push and hold the key for more than 5 seconds and the controller will end the defrost cycle The controller will then enter drip mode for 2 minutes The dF led is flashing in drip mode HOW TO SEE THE SETPOINT Box temperature cut out SET 1 Push and immediately release the SET key the display will show the Set point value 2 Push and immediately release the SET key or wait for 5 seconds to display the probe value actual box temperature again HOW TO CHANGE THE SETPOINT 1 Push the SET key for more than 2 seconds to change the Set point value 2 The value of the set point will be displayed and the LED under COMP starts blinking 3 To change the Set value push the UP A or DOWNY arrows within 10s To memorize the new set point value push the SET key again or wait 10s HOW TO CHANGE a parameter value lt 2 Enter the Programming mode by pressing the SET and DOWN keys for 3 seconds LEDs under DEF and COMP start blinking Select the required parameter by pushing the UP A or DOWNY arrows Press the SET key to display its value now only the COMP LED is blinking Use or DOWN to change its value To exit Press SET UP A or wait 15s without pressing a key NOTE 1 set value is stored even when the proc
7. edure is exited by waiting the time out to expire NOTE 2 Manufacture s SETPOINT is set at a recommended 10 F at the factory for low temperature LT NOTE 3 To scroll down the parameters without changing them press the DOWN button 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 Factory Symbol Description Range Setting MF122 St Temperature set point 16 to 5 F 10 F Hy Cut out temperature is Set Hy Differential 1 to 255 F 10 F AU High temperature alarm is enabled after a delay 230 F 15 F AL Low temperaturealarm is enabled after a delay 58 F 25 F Ad Alarm delay 0 to 255 min 30 ALARM SIGNALS Message 7 Opts Evaporator probe faire Minimum temperature alarm Outputs unchanged Compressor and fans restarts NOTE Probe alarms P1 and P2 start some seconds after the fault in the related probe they automatically stop some seconds after the probe restarts normal operation Check connections before replacing the probe Temperature alarms and LA automatically stop as soon as the thermostat temperature returns to normal values and when defrost starts ELECTRICAL CONNECTIONS The controller is provided with screw terminal block to connect cables with a cross section up to 14 AWG 2 5 mm Before conne
8. nditions the performance of these cases may be affected and the capacity diminished The Novelty Display case should not be positioned where it is directly exposed to rays of sun or near a direct source of radiant heat This will adversely affect the case and will result in poor performance A NOTICE Read this manual before installing your cabinet Keep the manual and refer to it before doing any service on the equipment Failure to do so could result in personal injury or damage to the cabinet A DANGER Improper or faulty hook up of electrical components on the refrigeration units can result in severe injury or death All electrical wiring hook ups must be done in accordance with all applicable local regional or national standards A NOTICE Installation and service of the refrigeration and electrical components of the case must be performed by a refrigeration mechanic and or a licensed electrician The portions of this manual covering refrigeration and electrical components contain technical instructions intended only for persons qualified to perform refrigeration and electrical work This manual cannot cover every installation use or service situation If you need additional information call or write our Customer service department WARNING LABELS AND SAFETY INSTRUCTIONS This symbol is the safety alert symbol When you see this symbol on your cabinet or in this manual be alert to the potential for personal injury or damage to y
9. o location Cabinet must be level from side to side and front to back for correct draining of coil pan and for self closing doors to operate correctly To comply with Sanitation requirements the cabinet must be sealed to the floor with a N S F listed silicone sealant mounted on casters or with 6 minimum legs 0 air space is required for the front and each side The top and back of the cabinet must be left open for compliance Remove shipping supports from bottom edge and top edge of doors SERVICE INSTRUCTIONS ELECTRICAL A WARNING Before servicing electrical components in the case or the doors or door frames make sure all power to case is off Always use a qualified technician It is recommended that a separate circuit be run for each cabinet to prevent another appliance blowing the fuse or HAC amp R C B causing loss of product This circuit should be sized according to the amp rating on the cabinet data label NOTICE For models with electronic ballast only WATTENTION FOR REPLACEMENT BALLAST USE UL TYPE CC RATED For replacement ballast use only ballast that complies with UL Type CC rating if unit is equipped with electronic ballast SPECIAL SERVICE SITUATION A There are rare occasions when the refrigerant charge must be evacuated from a cabinet in order to perform service work In those situation Manufature recommends that a refrigerant reclaimer be used according to the EPA guidelines to eliminate the po
10. our equipment Be sure you understand all safety messages and always follow recommended precautions and safe operating practices A NOTICE TO EMPLOYERS You must make sure that everyone who installs uses or services your cabinet is thoroughly familiar with all safety information and procedures Important safety information is presented in this section and throughout the manual The following signal words are used in the warnings and safety messages DANGER Severe injury or death will occur if you ignore the message WARNING Severe injury or death can occur if you ignore the message CAUTION Minor injury or damage to your cabinet can occur if you ignore the message NOTICE This is important installation operation or service information If you ignore the message you may damage your cabinet A DANGER High Voltage Turn power off CAUTION before servicing May have more than one disconnect switch GROUND REQUIRED FOR SAFE OPERATION This label is located on top of the electrical control This label is attached to the cabinet power cord on models with a power cord label and on the wiring channel PRE INSTALLATION INSTRUCTIONS INSPECTION FOR SHIPPING DAMAGE You are responsible for filing all freight claims with the delivering truck line Inspect all cartons and crates for damage as soon as they arrive If damage is noted to shipping crates or cartons or if a shortage is found note this on the bill of lading
11. ssibility of refrigerant being released to the atmosphere If moisture or liquid is observed around or under the 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 cabinet is malfunctioning or if there is a simple housekeeping problem Moisture or liquid around or under a cabinet is a potential slip fall hazard for persons walking by or working in the general area of the cabinet Any cabinet malfunction or housekeeping problem that creates slip fall hazard around or under cabinet should be corrected immediately OPERATING CONDITIONS AND PRESSURES With room ambient temperature of 80 F and cold cabinet unit cycling on control Suction Pressure 2 to 5 psig Head Pressure 240 to 260 psig TEMPERATURE SENSOR DEFROST HEATER AND FAN MOTOR REPLACEMENT 1 WARNING Before making any change the technician should disconnect power to the cabinet To change a temperature sensor cabinet zone sensor or defrost termination sensor simply disconnect the sensor wires from the controller and replace the new sensor in the original position Use plastic tie to tighten the zone sensor Insert the sensor for defrost termination firmly into the evaporator coil in between the fins Make sure the sensor wires do not touch or are not close to any heater rods To change defrost heater remove screws from drain pan and pull down remove
12. uorescent Lamp 36 F25T8CW 23 01577 Front Glass 31 02470 Heater Safety Control 19 01164 Lamp Switch Toggle 19 13118 Leg Leveler each 27 00592 Pilaster 24 33 01488 Pilaster Clips 33 01011 Plastic Drain Assy 11 01759 Power Cord 21 00312 Rocker Switch 23 01673 Shelf 33 01721 SALE AND DISPOSAL OWNER RESPONSIBILITY If you sell or give away your Novelty Display case you must make sure that all safety labels and the Installation Service Manual are included with it If you need replacement labels or manuals contact the customer service department and we will provided at no cost The customer service department should be contacted at the time of sale or disposal of your cabinet so records may be kept of its new location 10 DIXELL CONTROL 1154 SS ed oe va CrP HEAP CONTACTOR A N yy W 1 121 27 j Ta nearer SPARE HEATER BL 115 60 NEMA 5 15 11 DIXELL CONTROL 115 21 01576 _ 21 01517 Solenoid t FRane HEATER SPARE HEATER BL 12 EEPO HAP 12 42 08 1
Download Pdf Manuals
Related Search