J&E Hall JABC-1 Technical Manual Download

Page: 14 / 16

Issue: 01.03.2016

Page 14

14.

Troubleshooting

In the event of a JABC unit malfunction, please check the following items. Consult a qualified person before any corrective actions
are taken.

Failure

Possible Causes

Unit does not operate

•

Check power supply to unit.

•

MCB / safety device tripped.

Air Flow becomes slower

•

Check whether air filter is clogged with dust.

•

Check outside air inlet grille is not blocked.

•

Check whether fan speed has been altered.

Error message on either of
temperature controllers

•

Controller/temperature probe failed. Call Service Engineer.

Summary of Contents for JABC-1

Page 1: ...JABC 1 AMBIENT BEVERAGE COOLER ISSUE 01 03 2016 CELLAR COOLER RANGE TECHNICAL MANUAL ...

Page 2: ...ration 3 3 Product Description 3 4 Specification 4 5 Box Contents 4 6 Operation 4 7 Health Safety 5 8 Airflow Calculations 6 9 Installation 7 9 10 Commissioning 10 11 Dimensional Drawing 11 12 Wiring Diagram 12 13 Service Maintenance 13 14 Troubleshooting 14 15 Certification 15 ...

Page 3: ... 1 is primarily used for cooling beer cellars Cold air is drawn from outside by the fan through the washable air filter and distributed into the cellar space The unit consists of a fan motor washable filter controllers air damper a pre wired electrical control box all housed within a powder coated steel casing Operation is via two electronic temperature controls one an ambient controller and the o...

Page 4: ...point of 10 C The JABC fan motor will draw external cool air into the cellar passing through the air filter and cooling the space until the set temperature of 10 C is reached If the cellar temperature continues to rise with the JABC unit running at 13 C the main cellar cooler unit will cut in and run along with the JABC to provide additional cooling until the setpoint temperature is reached At thi...

Page 5: ... the working area is clear of obstructions The units contain moving parts and electrical power hazards which may cause severe injury or death Disconnect and shut off power before installation or service of the equipment Units must be earthed The electrical covers and fan guards must remain fitted at all times Use of the units outside of the design conditions and the application for which the units...

Page 6: ... to the JABC unit it is recommended that any increase in pressure resistance should be limited as follows Fan Speed Maximum Pressure Resistance Pascals 4 90 3 118 2 114 1 60 For 150mm nominal diameter lightweight ducting the following standard industry values can be used to calculate the pressure resistance for the proposed ducting run 150mm Circular Duct Pressure Resistance Pascals 1 metre straig...

Page 7: ... bottom panel using existing M5 screws 4 Cover the hole in rear panel using plate and fix using the existing M4 screws DAMPER PLATE M5 SCREW M4 SCREW Important Notes 1 Ensure that the outside wall is clear from any obstructions 2 Ensure that the selected wall is strong enough to support the unit 3 Ensure that no other exhausts will blow directly into the air inlet duct 4 Ensure that all hidden cab...

Page 8: ... Fix the 2 brackets one each side of unit using M5 screws and fix to wall 7 Seal ducting to hole and fix external air grille to ducting 8 Position ambient air sensor Alternative mounting arrangement for ambient cooler Spigot can be placed at bottom of unit to enable external ducting to be used This is the alternative arrangement of the unit where the rear hole is blanked by plate Note 1 The hole t...

Page 9: ...osition the JABC ambient temperature probe This can be run down the inside of the air inlet ducting and secured within the external air inlet grille Ensure sensor is protected from direct sunlight which may affect the temperature reading and the operation of the unit Item Description 1 CONTROLLER AMBIENT 2 CONTROLLER CELLAR 3 MCB 4 RELAYS 5 CABLE GLANDS 6 PILOT LAMPS Important Notes 1 Ensure that ...

Page 10: ... JABC 1 unit giving a clear visual display of current operating condition of unit Pilot Light Colour Operating Condition Green JABC Fan Motor operating Yellow Main cellar cooling function is called for Illumination of the Yellow light for main cellar cooling does not mean that the system is running just that the main cellar cooling function has been called for Controller Alarm Display Information ...

Page 11: ...Issue 01 03 2016 Page 11 11 Dimensional Drawing ...

Page 12: ...Issue 01 03 2016 Page 12 12 Wiring Diagram ...

Page 13: ...urrent and voltage for the unit Check the electrical wiring and retighten connections as necessary 3 Filter Clean and inspect at regular intervals Check and clean the filter at 3 months intervals to remove dirt and debris on filter media Check external air inlet grille for obstructions 4 Controls Check accuracy of temperature readings Unit decommissioning and disposal At the end of the unit s usef...

Page 14: ... are taken Failure Possible Causes Unit does not operate Check power supply to unit MCB safety device tripped Air Flow becomes slower Check whether air filter is clogged with dust Check outside air inlet grille is not blocked Check whether fan speed has been altered Error message on either of temperature controllers Controller temperature probe failed Call Service Engineer ...

Page 15: ...Issue 01 03 2016 Page 15 15 Certification ...

Page 16: ...Issue 01 03 2016 Page 16 J E Hall Limited Hansard Gate West Meadows Derby DE21 6JN England Tel 44 0 1332 253400 Fax 44 0 1332 371061 Email helpline jehall co uk www jehall com Issue 01 03 2016 ...

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