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CELLAR COOLER RANGE TECHNICAL MANUAL R448A/R449A CELLAR PLUS CELLAR COOLER RANGE ISSUE: 01.06.2023...
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IMPORTANT! READ BEFORE PROCEED! GENERAL SAFETY GUIDELINES This guideline is intended for users to ensure safe installation, operation, and maintenance of J & E Hall Cellar Plus Cellar Coolers. This guideline is not intended to replace the system expertise available from the system manufacturers. This equipment is a relatively complicated apparatus.
Nomenclature Figure 1: Product Nomenclature Indoor Unit System 40 EV Cellar Plus BOM Variance Power Supply 1: 230V/1Ph/50Hz E: Electronic Controller without TXV 3: 400V/3Ph/50Hz EV: Electronic Controller with TXV System Combination Nominal Cooling Capacity (kW) S: Single Evaporator 40: 4.0kW T: Twin Evaporator Version Nominal System Cooling Capacity (kW)
(mm) (mm) (kgs) (mm) Top (mm) Rear (mm) (kgs) BSCU-30-M1 CellarPlus 70-S1/S3 1108 x 478 x 649 703 x 448 1x JCC2-80EV 1437 x 505 x 557 1173 x 324 1173 x 310 BSCU-30-M3 BSCU-35-M1 CellarPlus 80-S1/S3 1334 x 530 x 864...
• • Whenever the outdoor or indoor unit is lifted, it should The units are not designed to withstand loads or stress be from the base and, where possible, all packing and from other equipment or personnel. Such extraneous protection is kept in position. loads or stress may cause failure/leak/injury.
Indoor • Avoid mounting indoor directly over door openings. It is recommended to locate the indoor opposite door • The indoor units can be mounted directly to a wall or to openings to reduce infiltration and the amount of the ceiling utilizing the fixing holes on the rear of the warm, humid air drawn into the cold room.
Example for Suction Pipe Selection: Cellar Plus 70-S3, outdoor unit mounted above indoor unit with vertical riser 4.5m and horizontal pipe run 7.4m, the suction line ¾” OD is composed of 5pcs elbow 90 long radius and 1pcs 180 std radius. Read equivalent length from Table 7.
Figure 9: Orifice Installation in TE2 Pressure Testing Never use oxygen, dry air, or acetylene for pressure testing of the system as these may form an inflammable mixture. Do not open the service valves on the condensing unit until pressure testing procedures have been carried out.
• To install the drain fitting, firstly unscrew the drain pan from Connect a vacuum pump and vacuum gauge to the the indoor unit. Locate the drain fitting into drain pan, insert system. washer and followed with locknut to secure the drain fitting •...
• controllers are pre-programmed in the factory to the Ensure that the power supply corresponds to the unit and suggested settings). that the power supply is stable. • • Run the system to the required temperature and check Connect power supply according to the present norm system pressures and temperatures, gas charge and and legal requirement.
Ensure an adequate liquid charge has been Pressure Switch Settings introduced to the high side of the system before starting to ensure a minimum operating Both the LP and HP switch settings must be adjusted to pressure on the suction side of 0.5 bar is suit application before starting the unit.
• F-Gas Requirement Note: The Fan Motors are pre-lubricated, and factory sealed so no maintenance is necessary. 3. Condenser & Evaporator Coils – Clean and inspect at regular intervals. The equipment covered in this Technical Manual relies on • Check and remove the dirt and debris between the fins fluorinated greenhouse gases R448A (GWP: 1387) and using a soft brush and/or a suitable chemical coil cleaner R449A (GWP: 1397) for their functioning.
Appendix Table 13: Trouble Shooting FAULT POSSIBLE CAUSE CHECK SOLUTION COMPRESSOR Compressor will Power supply Is power switched on? If not - switch on not start Phase and neutral present? Check/rectify Voltage within tolerance? Check/rectify Compressor contactor not Is there correct voltage to If yes - coil faulty.
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FAULT POSSIBLE CAUSE CHECK SOLUTION Loose / broken wiring Make sure all electrical connections are connection sound Compressor is Vibration Rubber feet mountings worn or Replace mountings and tighten/replace noisy bolts are loose/missing bolts as necessary Liquid refrigerant Does compressor 'knock' when Identify cause of liquid return to starting up or running? Liquid compressor and rectify...
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FAULT POSSIBLE CAUSE CHECK SOLUTION Is rocker switch on unit switched If not - switch on Indoor Fan not Motor fault Is there correct voltage at If yes - motor faulty. Replace motor running motor terminals? If no - check supply / wiring connections Check fan capacitor Replace as required No display on...