Impulse DO2412R.4909 Installation & Operating Manual Download Page 11 | Manualshive

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MAINTENANCE FUNDAMENTALS, CONTINUED

Warning: Disconnect power before providing maintenance and service to unit. Assembly or

disassembly and servicing is to be performed by licensed electrical contractor.

3. Evaporator Coil Fans Access and Removal



Fans may be accessed by removing Deck (covering Fan Shroud, Fan Housing and Coil).



See illustrations below.

Fan Shroud

Coil

Drain

Fan & Housing

Fan

Housing

Fan Shroud

Coil

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Summary of Contents for DO2412R.4909

Page 1: ...7 15 Wide x 36 65 Long with a minimum 1 42 perimeter for proper clearance and fit of Drop In Refrigerated Merchandiser These combined dimensions require a 30 minimum counter top space for cutout Note 3 Model DO4837R DO23R Service Top Cutout dimensions must be 27 15 Wide x 48 65 Long with a minimum 1 42 perimeter for proper clearance and fit of Drop In Refrigerated Merchandiser These combined dimen...

Page 2: ...PPER DISPLAY CASE TO BASE CASE START UP TEMPERATURE SETTINGS THERMOMETERS MAINTENANCE FUNDAMENTALS REFRIGERATION ACCESS ASSEMBLY DISASSEMBLY SERVICE TEMP CONTROL REFRIGERATION CONTINUED REFRIGERATION SLIDE OUT EXPLODED PICTORIAL SERIAL LABEL LOCATION INFORMATION LISTED TECH INFO SERVICE TROUBLESHOOTING CLEANING SCHEDULE CAREL TEMPERATURE CONTROLLER INFORMATION TECHNICAL SERVICE CONTACT INFORMATION...

Page 3: ...ctrical and plumbing codes are not covered by warranty See below compliance guideline WARNINGS This page contains important warnings to prevent injury or death Please read carefully WARNING Hazardous moving parts Do not operate unit with covers removed Fan blades may be exposed when deck panel is removed Disconnect power before removing deck panel WARNING Risk of electric shock Disconnect power be...

Page 4: ...s attests under penalty of perjury that these statements are true and accurate WIRING DIAGRAM FORMAT LOCATION Each case has its own wiring diagram folded and in its own packet Wiring diagram placement may vary it may be placed near ballast box field wiring box raceway cover or other related location CAUTION GFCI BREAKER USE RECOMMENDATION If N E C National Electric Code or your local code requires...

Page 5: ...s or the like through openings onto flammable material including the surface over which the refrigeration is mounted A sheet metal cabinet or similar enclosure is to be judged for acceptability with respect to its size shape metal thickness Sheet metal such as galvanized or stainless shall be 0 30 inch 22 gage or greater Steel enclosures shall be protected against corrosion by metallic or nonmetal...

Page 6: ...ullout system slide out 3 15 Minimum opening in back of cabinet or counter to pull out refrigeration system 4 Back of counter cabinet ventilation must be at spe cific space to allow for proper air intake and exhaust See illustration at right 5 Front of counter ventilation must be at least 2 to allow proper air intake and exhaust See illustration at right 6 Obstruction or restriction of air can voi...

Page 7: ...EAL CONDITION FOR REAR OF CABINET IS TO HAVE COMPLETE OPEN SPACE WITH NO DOORS OR BLOCKING OF AIRFLOW WHATSOEVER 2 SHOULD CABINET DOORS BE DESIRED AS SHOWN BELOW LOUVERS or SCREENING MUST BE PROVIDED LOUVERS or SCREENING MUST BE 2 OR CLOSER TO EACH OTHER VERTICALLY LOUVER or SCREENING MUST EXTEND AT LEAST 4 BEYOND EACH END OF REFRIGERATION UNIT THIS SHEET REFLECTS THE MINUMUM REQUIRED VENTILATION ...

Page 8: ... must always remain supported or center of gravity may allow case to fall Slide to rear of skid and tip backward off skid while maintaining support Note Illustration below may not exact reflect every feature or option of your particular case Slide Skid Out 3 Seal Upper Display Case to Base NSF Listed Industrial Grade Silicone Sealant is recommended Clip tip to allow approximately 1 8 to 3 16 diame...

Page 9: ...gs This case has been tested to maintain a temperature at or below 5 Celsius 41 Fahrenheit When the merchandiser is in a start up mode or has been idle for a long period of time the unit will require 30 minutes in order to pull down to temperature The temperature is controlled by a Temperature Control Module It is located at the lower right area from the case rear of the Drop In Refrigerated Secti...

Page 10: ...stration below Lamp Pins Light Socket Light Fixture 2 Light Fixture Removal of lamp Rotate lamp 1 4 turn so that pins are aligned in slots and remove bulb Carefully remove Installation of lamp Align pins with slot Insert pins into socket and rotate 1 4 turn to secure pin contacts in socket See illustration below Case Rear DO3616R Thermometer Light Switch Case Front Ballasts Are In Electrical J Box...

Page 11: ...to unit Assembly or disassembly and servicing is to be performed by licensed electrical contractor 3 Evaporator Coil Fans Access and Removal Fans may be accessed by removing Deck covering Fan Shroud Fan Housing and Coil See illustrations below Fan Shroud Coil Drain Fan Housing Fan Housing Fan Shroud Coil ...

Page 12: ...ng Assembly or disassembly and servicing is to be accomplished by licensed refrigeration contractor Refrigeration unit slides directly out from lower section to allow for servicing Service connections are located in the refrigeration unit slide out shown at right Evaporator pan is provided for case condensation Evaporator pan is to be plugged in 110V receptacle inside base and positioned under PVC...

Page 13: ...g to the Refrigeration Unit that is slid directly out from lower section to be serviced Copper Tubing Refrigeration Service Valve Sight Glass Capacitor Condensing Coil and internal fan Condensing Unit Dryer Filter Flexible Hose Connections Electrical Junction Box Condensate Pan Copper Tubing Receiver ...

Page 14: ...rature refrigeration information as well as regulatory standards to which the case conforms For additional technical information and service see the TECHNICAL SERVICE page in this manual for instructions on contacting Structural Concepts Technical Service Department See images below for samples of both refrigerated and non refrigerated serial labels Sample Serial Label For Refrigerated Case Sample...

Page 15: ...MAIN power switch is on Check that the unit is properly plugged in Check the circuit breaker box for tripped circuits Fans Not Working Check that the MAIN power switch is on Determine if there is ice build up blocking the fan Case Lights Not Working Check bulbs for proper installation and connection Check for burned out bulbs Clean dirt and dust from the bulbs to prevent flickering Condensing Unit...

Page 16: ...to adjust The temperature will change during defrost mode but will return to normal Check that the discharge air is not disrupted or blocked by product Product is above load limit level Check that the case is not in the sun or near a heat or air conditioning vent Is case located near front doors Wide ranging temperature fluctuation can occur if inside temperatures widely vary from outside temperat...

Page 17: ...nd the fan shroud Direct drain to floor drain or a bucket Run hose into the drain to flush out debris Hose out the tub X Keep drains clean and free of debris which could clog the drain and rob the case of needed refrigeration X Clean the dust and dirt that collects on the condenser coil Flip down rear grille by removing the two thumb screws at top Lift grille up and out with tabs clearing the Base...

Page 18: ...f the instrument is switched off before pressing the Prg key all modifications to parameters will be lost Set aux Prg mute def Prg mute Set Set Set aux Prg mute How To Change Reading From Fahrenheit F To Celsius C 1 Press and hold Prg and SET keys together for at least 5 seconds display will show 0 password prompt 2 Press until password 22 is reached 3 Confirm by pressing SET key 4 Press or until ...

Page 19: ...and Signals Display Buzzer and Relay Integrated Electronic Microprocessor Controller Read And Save These Instructions Page 2 of 3 User Interface Display 19 This data derived from Carel Controller Material ir33 030220441 rel 2 0 01 05 2006 Structural Concepts Document Revision B Date 4 25 2019 ...

Page 20: ...lay on hold during defrost C 0 2 dd Dripping time after defrost min F 0 15 d 1 Display of defrost probe 1 C F F 20 For Case Specific Defaults See Serial Label Located Near Electrical Access On Your Case For Additional Technical Information Call Structural Concepts Technical Service Dept at 1 800 433 9490 Ext 1 Unit Of Measure Read And Save These Instructions Page 3 of 3 Integrated Electronic Micro...

Page 21: ...sonable attorney fees and costs Remedies of SCC SCC s rights and remedies shall be cumulative and may be exercised from time to time In a proceeding or action relating to the breach of this Agreement by Purchaser Purchaser shall reimburse SCC for reasonable costs and attorney s fees incurred by SCC No waiver by SCC of any breach of Purchaser shall be effective unless in writing nor operate as a wa...

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