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Borg & Overstrom B4.2 Install & Operation Manual

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Release date 08.02.2022
B4.2 Install & Operation
Manual
Model Overview
Introduction
A range of compact water dispensers, available in the following operational types:
• Direct Chill Chilled & Ambient (Low-Pressure Tank System)
• Direct Chill Chilled, Ambient & Hot (Low-Pressure Tank System)
• Direct Chill Chilled & Ambient
• Direct Chill Chilled, Ambient & Hot
• Direct Chill Chilled, Ambient & Sparkling
• Direct Chill Chilled, Hot & Sparkling
The B4 model is available as a countertop with a matching base cabinet in three colours.

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Summary of Contents for Borg & Overstrom B4.2

  • Page 1 Release date 08.02.2022 B4.2 Install & Operation Manual Model Overview Introduction A range of compact water dispensers, available in the following operational types: • Direct Chill Chilled & Ambient (Low-Pressure Tank System) • Direct Chill Chilled, Ambient & Hot (Low-Pressure Tank System) •...

  • Page 2: Before Installation

    All Models Sparkling All models are self-contained machines with robust Water is chilled as it passes through the Direct steel framed cabinets and attractively injection Chill coil. It is pumped under pressure into the moulded plastic front, side and top panels. An IEC carbonator which is fitted within the Direct Chill Power Lead is supplied for connection to the IEC coil.
  • Page 3 Cold Thermostat This shows the correct and factory default set point.  Although adjustment is possible (clockwise reduces the temperature and anti-clockwise increases the  water temperature), this correct default setting is to ensure optimum performance and reliability. Unauthorised alternative settings could cause technical issues and invalidate the warranty.
  • Page 4 All models are designed to fit straight onto the top of the base cabinet to create a floorstanding model.  Ensure the feet are in the nesting positions.  The Door Panel is hinged and fastened with Magnetic Catches. The cabinet can be levelled using the adjustable feet.
  • Page 5 Installation Major Components Water and CO2 Connection Level Sensor Assembly...
  • Page 6 Check all parts are present. Unscrew lid. Fit both batteries and refit lid. Exchange the drip tray. Connect the drainage tubing Level sensor positioned in that is pre-fitted down the front container. left hand side of the cabinet. NOTE: A WARNING TONE WILL SOUND WHEN THE WATER RISES (3 BEEPS EVERY 15 SECONDS REPEATED).
  • Page 7 Operation Water Connection & Operation NOTE: Water supply to the product must be within 1.5 – 3.5 bar. If the product is installed where the mains water pressure is greater than 3.5 bar then a pressure regulating valve must be installed prior to the water inlet bulkhead. If the product is installed where the mains water pressure is less than 1.5 bar then a pressure boost pump must be installed prior to the water inlet bulkhead.
  • Page 8 Flush through 5 litres of clean When the cold water switch is The temperature of cold water water through each water turned on, the cold water can be set from 4c to 11c. option immediately after indicator will be lit. Allow up to 1 hour for the water installing and before use.

  • Page 9: Functions And Controls

    We recommend between 3.5 – Flush through approximately 10 Following installation, it will be 4 bar. Do not exceed 4 bar litres of sparkling water. Check necessary to leave the machine pressure. and adjust the CO2 pressure for up to 1 hour for the initial accordingly.
  • Page 10 Leave a space no less than 15cm between the wall and dispenser. When combined with base cabinet – use wall bracket kit for high traffic areas. Keep the machine away from sunlight, heat and moisture.
  • Page 11 Maintenance Isolation & Removal Please make sure the machine is completely Turn off the water supply. disconnected from the electrical supply before carrying out any maintenance work.

  • Page 12: Sanitisation Guide

    To drain the Direct Chill tank, remove the caps on the back of the machine. We recommend they are refitted immediately upon draining being completed. Sanitisation Guide Borg & Overström’s recommended sanitisation schedule is a minimum of 6 months for a filter change and internal water pathway sanitisation using Sterizen®...
  • Page 13 Briefly press cold/ambient Remove the existing cartridge. Add 25 ml of Sterizen® 30 dispense buttons to release Internal Water Cooler Sanitiser internal water pressure from the fluid to a clean and empty machine. service filter cartridge. Connect the service cartridge to Turn on incoming water, allow Dispense approx.
  • Page 14 Leave the solution inside If a Waste Overflow System is When the external cleaning machine for sanitisation fitted, empty this and flush (after a minimum of 5 minutes) is (minimum 5 minutes) while through with a small amount completed, flush 10 litres of thoroughly cleaning the machine of sanitisation fluid if needed.
  • Page 15 Please note that this Avoid skin contact and Always use responsibly In the event of any skin sanitisation fluid wear protective gloves and with care contact, flush contains an active when handling remembering that due immediately with caustic/alkaline agent. sanitisation fluids. to its alkaline nature clean, cold water.
  • Page 16 If enhanced Leak Detector is Reset the red lever (push it in). Reconnect the power to fitted as optional extra: locate machine and test operation. the Leak Detector valve. If leak detector is fitted as optional extra, reset the red lever (push it in) Emptying the Carbonation Tank for Transportation Switch off the Carbonation System switch on the Press and hold the Sparkling water dispense button...
  • Page 17 The tank is empty of sparking water when only Ensure to release the Sparkling water button and CO2 is being released. take care to avoid releasing excess amounts of CO2 gas.

  • Page 18: Advanced Troubleshooting

    Advanced Troubleshooting Fault Diagnosis: No Water Dispenses Problem/Report Possible Cause Suggested Action From Ambient Water Supply turned off. Check all that taps/valves/ filters Dispense on the incoming supply are fitted and are turned on. “Waterblock” tripped off Reset “Waterblock” (and check for (and tank any leaks).
  • Page 19 Problem/Report Possible Cause Suggested Action From Hot Firstly all as for Ambient Carry out checks and actions as for ambient Dispense Dispense. dispense. Airlock in dispense pipe work. Unblock/replace hot water pipe and hot vent pipe. Tank filled with limescale. Replace tank.
  • Page 20 Problem/Report Possible Cause Suggested Action Compressor runs and switching off Decrease cold thermostat set (cool/warm to touch) - Thermostat point. set too high. Thermostat not working. Check/replace thermostat. Compressor runs but not switching off (hot to Please contact technical support. touch).
  • Page 21 Problem/Report Possible Cause Suggested Action Water lying on top edge of lower door Overflowing Drip Tray Empty Waste Container and panel and/or bottom of cabinet. waste container. check drainpipe is not blocked. Water lying in bottom of machine Level Sensors not Check operation/repair/ working.
  • Page 22 Problem/Report Possible Cause Suggested Action Please contact technical support. Problem/Report Possible Cause Suggested Action Slow but Continuous Water Low incoming water Consider replumbing to alternative supply if Dispense from Ambient or Cold pressure. possible. Fit Booster pump set. Intermittent Water Dispense from Trapped air in Hold button on to purge air out (This could Ambient or Cold Water Valve...
  • Page 23 Exploded Diagrams Chilled & Ambient View interactive diagram...
  • Page 24 B4 Right Side Panel inc handle View in store 123187 Top Cover Panel View in store 125839 B4.2 Drip Tray Set with drainage - Black View in store 125840 B4.2 Drip Tray Set without drainage - Black View in store 131426...
  • Page 25 174392 Transformer 24VDC View in store 183246 Chrome B3.2/B4.2 Faucet Shroud View in store 191003 B4.2 Chilled & Ambient Touch Control Panel View in store 462325 Bulkhead 1/4" Push-Fit Connector View in store 852108 Power Cord Set - Swiss View in store...
  • Page 26 View interactive diagram Part number: Description:   171261 B3.2/B4.2 Chilled, Ambient & Hot Main PCB View in store...
  • Page 27 173266 92 Hot Tank Thermostat Sensor View in store 183246 Chrome B3.2/B4.2 Faucet Shroud View in store 191004 B4.2 Chilled, Ambient & Hot Touch Control Panel View in store 123187 Top Cover Panel View in store 133514 Faucet 4 outlets...
  • Page 28 Part number: Description:   125839 B4.2 Drip Tray Set with drainage - Black View in store 125840 B4.2 Drip Tray Set without drainage - Black View in store 121850 B4 Left Side Panel inc handle View in store 121851 B4 Right Side Panel inc handle...
  • Page 29 View interactive diagram Part number: Description:  ...
  • Page 30 174351 Cooling Fan View in store 183246 Chrome B3.2/B4.2 Faucet Shroud View in store 191005 B4.2 Chilled, Ambient & Sparkling Touch Control Panel View in store 123187 Top Cover Panel View in store 133514 Faucet 4 outlets View in store 171268 B3.2/B4.2 Main PCB Case Assembly...
  • Page 31 Part number: Description:   125840 B4.2 Drip Tray Set without drainage - Black View in store 121850 B4 Left Side Panel inc handle View in store 121851 B4 Right Side Panel inc handle View in store 193220 CO2 Regulator with gauge c/w elbow...
  • Page 32 View interactive diagram...
  • Page 33 24vdc Carbonation Pump Transformer View in store 175363 Circular DC Circulation Pump View in store 171261 B3.2/B4.2 Chilled, Ambient & Hot/ Chilled, Hot & Sparkling Main View in store 174313 Compressor View in store 171265 B3.2/B4.2 Touch Dispense Screen PCB...
  • Page 34 2-Port Drainage Outlet View in store 120803 B4.2 Upper Front Panel View in store 125839 B4.2 Drip Tray Set with drainage - Black View in store 125840 B4.2 Drip Tray Set without drainage - Black View in store 121850 B4 Left Side Panel inc handle...
  • Page 35 19300 1 10359 2 10391 0 10359 1 19322 0 13156 7 19410 1 18453 0 13457 1 12081 1 12081 2 12081 3 19319 9 19319 7...
  • Page 36 Technical Information Chilled & Ambient Electrical Circuit Diagram Chilled, Ambient & Hot Electrical Circuit Diagram...
  • Page 37 Chilled, Ambient & Sparkling Electrical Circuit Diagram...
  • Page 38 Chilled, Hot & Sparkling Electrical Circuit Diagram...
  • Page 39 Chilled & Ambient Water Pathway Diagram...
  • Page 40 Chilled, Ambient & Hot Water Pathway Diagram...
  • Page 41 Chilled, Ambient & Sparkling Water Pathway Diagram...
  • Page 42 Chilled, Hot & Sparkling Water Pathway Diagram...

  • Page 43: Specification

    Specification COOLING High efficiency compression system with capillary control. Premium SYSTEM Models quality long life hermetic compressor. Compact internal condenser - fan assisted for greater efficiency. Environmentally friendly R600 refrigerant.
  • Page 44 Chilled High volume 3.5 litre stainless steel pressurised cold tank for optimum & water capacity on demand and hygiene. Low Ambient sanitisation and maintenance. Insulated tank for energy conservation. Large volume output performance via high pressure valves. Thermostatically controlled chilled water temperature (range down to 1°C minimum).
  • Page 45 Chilled 140 watt & Sparkling Chilled, 640 watt Hot & Sparkling POWER SUPPLY IEC power socket. REFRIGERANT R600a (18g) models WATER 1/4 inch quick connection. CONNECTION 1/4 inch quick connection. CONNECTION COUNTERTOP (w x d x h) 320 x 440 x 415mm DIMENSIONS (INLUDING (w x d x h) 1325 x 440 x 415mm...