QBD Cooling Systems Inc. AC48 Safety, Installation And Instructions Download Page 16 | Manualshive

Page: 16 / 23

QBD Cooling Systems Inc. AC48 Safety, Installation And Instructions Download Page 16

QBD COOLING SYSTEMS INC.

14

08 -2015

47-0480-192-N

ELECTRONIC COLD CONTROL PROBE ERROR

The display shows the current temperature but if the probe of the controller is damaged or

faulty

Display will show “S1” for cabinet temperature control probe fault

Display will show “S2” for defrost control probe fault

CONTROLLER INFORMATION ATTACHED WITH COOLER

Controller parameter adjustment guide and diagnostic instructions are attached with coolers for

quick reference. For additional information contact QBD’s service department.

«
...
14
15
16
17
18
...
»

Summary of Contents for AC48

Page 1: ...io Canada L6W 3K6 WWW QBD COM 1 800 663 3005 TEL 905 459 0709 FAX 905 459 1478 info qbd com 08 2015 47 0480 192 N AC48 OPERATION MANUAL SAFETY INSTALLATION AND INSTRUCTIONS KEEP THE MANUAL FOR FUTURE...

Page 2: ...CTION 3 4 UNIT INSPECTION FOR ANY SHIPPING DAMAGE 5 5 SERIAL NUMBER 6 6 WARNING AND SAFETY LABELS 7 7 SAFETY INSTRUCTIONS DURING INSTALLATION AND USAGE 8 8 ELECTRICAL SAFETY INSTRUCTIONS 9 9 OPERATION...

Page 3: ...d in direct sunlight Cooler should not be installed near HVAC vents Cooler should not be installed near fans Cooler should not be installed near doorways Cooler should be leveled front to back and sid...

Page 4: ...the cooler for all your claims All goods are shipped at the customer s risk Return of goods to the factory must have the authorized approval of QBD No returns will be accepted after 10 days Any short...

Page 5: ...nstalling or servicing your unit QBD s assures a high quality product and if maintained properly will serve you with trouble free operation DANGER Indicates potentially hazardous situation which if ig...

Page 6: ...this manual in secure location and should be available for all the intended users and service technicians INTENDED USE QBD s cooler is designed for storage and or commercial merchandising of hazardous...

Page 7: ...l packages for damage to packaging material Damage to external packaging may have resulted in unit damage Check packages for all accessories and components including legs casters if applicable and she...

Page 8: ...respondence regarding the cooler Cooler Model __________________________________ Serial number __________________________________ This manual is only a reference document for installation use and serv...

Page 9: ...instructions CAUTION HOT ATTENTION CHAUD WWW QBD COM POWER SOURCE 220V 60Hz WWW QBD COM CONTACTOR RELAY CONNECTION BOX WWW QBD COM REFRIGERANT R 404A WWW QBD COM W A R N I N G THE THERMOSTAT CONTROL O...

Page 10: ...rect supply voltage low voltage or unstable supply voltage Don t install cooler where storage handling and or dispensing of flammable and or explosive material may occur Keep all the packing material...

Page 11: ...ted electrical circuit and ensure the voltage rating of the circuit is same as mentioned by manufacturer Don t use a power cord having cracks or abrasion mark All coolers are supplied with an appropri...

Page 12: ...SERVICE WARNING Cold controller is set to maintain the average cooler temperature at 3 3 C 38 F Any change in setting could result in poor performance and or component s failure Operating ambient cond...

Page 13: ...to allow shelf bracket bottom tab to clear shelf standard slot 3 Swing shelf bracket bottom tab into shelf standard slot 4 Place shelf panel on two brackets REMOVAL 1 Take the shelf panel off the brac...

Page 14: ...80 192 N 11 ELECTRONIC COLD CONTROL AC48 is installed with a customized Danfoss electronic cold control ERC112C with the following features 1 Precise temperature control 2 Adaptive defrost 3 Fan Contr...

Page 15: ...set point Press up 3 down 4 to adjust set point Press UP 3 for warmer setting or DOWN 4 for colder setting After 30 seconds the display automatically reverts to show the current temperature and SET PO...

Page 16: ...ler is damaged or faulty Display will show S1 for cabinet temperature control probe fault Display will show S2 for defrost control probe fault CONTROLLER INFORMATION ATTACHED WITH COOLER Controller pa...

Page 17: ...power to the unit 2 In order to access the condenser coil remove the front grill by lifting up and pulling out the bottom side as shown on the left 3 Carefully vacuum or brush the front surface of co...

Page 18: ...nd power switches and remove all products from unit Allow sufficient time for the unit to reach room temperature before proceeding with cleaning CAUTION Remove all products from unit before proceeding...

Page 19: ...LURE Danfoss controller is used to control the compressor and defrost cycle under controlled ambient conditions The controller is programmed for a defrost cycle of 30 minutes for every 6 hours The mai...

Page 20: ...QBD COOLING SYSTEMS INC 18 08 2015 47 0480 192 N CONDENSING UNIT WIRING DIAGRAM...

Page 21: ...verload Repair or replace control Re assure the control probe location Check wiring against diagram Repair or replace the LP HP switch Replace the controller Replace the switch Compressor will not sta...

Page 22: ...e overload protector Excess current passing through overload Low unstable voltage Overload failed Capacitor fault Excessive discharge Suction pressure too high Compressor overheating Compressor electr...

Page 23: ...d Correct the charge Leaking Water Very Humid Conditions Blocked Drain Electrical condensate pan failure Clear blocked drains Repair and replace electrical condensate pan Evaporator Freeze Up Temperat...

Reviews:

No comments