Borg & Overstrom u1 Feuille d'instructions

Install & Operation Guide
GB
ambient sparklingchilled
Dispense options
Contents
Chilled & Ambient
Chilled, Ambient & Sparkling
5 Range Overview & Features
7 Controls
8 Leak Detection
11 Installation & Operation -
u1 Chilled & Ambient
12 Major Components
17 Water Connection
21 Installation & Operation -
u1 Chilled, Ambient & Sparkling
22 Major Components
27 Water Connection
28 CO2 Bottle Installation & Sparkling
Water Operation
33 Sanitisation Guides
37 Trouble Shooting
45 Electrical Measurements, Component
Diagrams & Lists
56 Electrical Circuit & Water Pathway
Diagrams
62 Certicat
Telephone
+44 (0)1362 695 006
Email
sales@borgandoverstrom.com
borgandoverstrom.com
Synergy House
Fakenham Road
Morton On The Hill
NR9 5SP

The manual is intended as a guide only.
Printed by Borg & Overström NR9 5SP UK.
© Copyright Borg & Overström

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Contents
5Range Overview & Features
6 Introduction
7 Controls
8 Leak Detection
9 Specification
11 Installation & Operation - u1 Chilled & Ambient
12 Major Components
14 Positioning
17 Water Connection
18 Maintenance & Removal
19 General Safety Advice
21 Installation & Operation - u1 Chilled, Ambient & Sparkling
22 Major Components
24 Positioning
27 Water Connection
28 CO2 Bottle Installation & Sparkling Water Operation
29 Maintenance and Removal
30 Emptying the Carbonation Tank
31 General Safety Advice
33 Sanitisation Guides
34 u1 Sanitisation Guide
37 Trouble Shooting
38 Fault Diagnosis Guide 1 & 2 – No Water Dispenses
40 Fault Diagnosis Guide 3 – Water Dispenses but not correct Temperature
41 Fault Diagnosis Guide 4 – Water Leaks
42 Fault Diagnosis Guide 5 & 6 – Miscellaneous
45 Electrical Measurements, Component Diagrams & Lists
46 Electrical Test Measurement Values Guide
47 Exploded Component Diagram u1 Chilled & Ambient
48 Electrical Wiring Loom Diagram u1 Chilled & Ambient
49 u1 Chilled & Ambient – Parts List
52 Exploded Component Diagram u1 Chilled, Ambient & Sparkling
53 Electrical Wiring Loom Diagram u1 Chilled, Ambient & Sparkling
54 u1 Chilled, Ambient & Sparkling – Parts List
56 Electrical Circuit & Water Pathway Diagrams
57 Electrical Circuit Diagram u1 Chilled & Ambient
58 Electrical Circuit Diagram u1 Chilled & Ambient
59 Water Pathway Diagram u1 Chilled & Ambient
60 Water Pathway Diagram u1 Chilled & Ambient
62 Certificate

4 | u1 Undercounter Systems Install & Operation Guide
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Contents
6 Introduction
7 Controls
8 Leak Detection
9 Specification
Range Overview & Features
u1 Undercounter system
All Models

6 | u1 Undercounter Systems Install & Operation Guide
GB
Range Overview & Features
Introduction
u1 is a range of undercounter water dispensers that are connected to the mains water supply and
dispense water through a proprietary swan-neck faucet that is mounted on a work surface.
There are two models in the range:
• u1 Chilled and Ambient
• u1 Chilled, Sparkling and Ambient
All Types
Both models have robust steel framed cabinets
and attractively injection moulded plastic front,
side and top panels.
An IEC Power Lead is supplied for connection
to the IEC socket found on the rear of all models
(An additional Schuko type is supplied for the
European market).
Both are Direct Chill cold water dispenser
where water is used as the cooling medium
in the Direct Chill tank. This is automatically
filled and controlled by the level control system
upon installation. This tank is then chilled via the
outer evaporation coil of the capillary controlled
refrigeration compression system. We recommend
fitting a Pressure Reducing Valve is fitted to all
supplies to regulate the pressure
to 3.5 bar/355 kPa.
u1 Chilled, Sparkling and Ambient
Models
On the carbonated water model, water is chilled
as it passes through the coil immediately before
dispense or being pumped under pressure into the
carbonator which it fitted inside the same coil.
The carbonator is also level controlled and allows
the sparkling effect to occur through saturation
with CO2.
Dispense is at inlet pressure and controlled via
the solenoid valves.
The Cold Temperature is thermostatically
controlled via the adjustment screw on the back
of the machine. This setting is factory set and
is not necessary to adjust in most cases
The Cold Tank can be drained via the two
Drain Port on the rear of the machine.
The level control system also incorporates a leak
detection device within the cabinet which switches
the machine off in the event of detecting water.

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Controls
Chilled & Ambient Models
Undercounter Unit
On/Off switch
At upper rear of machine.
Switches Cooling Operation on/off.
Cold Thermostat
At rear of machine.
10A Fuse
On rear of machine, integral with IEC socket
Top LED
Colours to show Power is switched on
Middle LED
Colours to show Cooling Mode is switched on
Bottom LED
Colours to show when compressor is operating/
water is above set point
Control Button Panel
Ambient Button (Top)
Press to dispense ambient water
Cold Button (Bottom)
Press to dispense Cold water
Chilled & Sparkling Models
Undercounter Unit
On/Off switch
At upper rear of machine.
Switches Cooling Operation on/off.
Soda switch
Switches Sparkling Operation on/off.
Cold Thermostat
At rear of machine.
10A Fuse
On rear of machine, integral with IEC socket
Top LED
Colours to show the Sparkling Operation is
switched on
Middle LED
Colours to show Cooling Mode is switched on
Bottom LED
Colours to show when compressor is operating/
water is above set point
Control Button Panel
Ambient Button (Top)
Press to dispense ambient water
Sparkling Button (Middle)
Press to dispense Sparkling Water
Cold Button (Bottom)
Press to dispense Cold Water
Factory set to:
Cold Thermostat
NB: Turn clockwise to decrease water temperature
DURING NORMAL OPERATION THE ONLY LED INDICATORS
ARE THOSE ON THE FRONT PANEL OF THE UNDERCOUNTER UNIT
-C
+C

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Leak Detection
Notice:
This machine is equipped with a leakage detection device.
When leaking is detected, the dispense operation will be cut
off automatically.
This is indicated by the alarm signalling as also described above.
To reset:
Locate the source of leakage and rectify. Locate the detection probe which can
be found in the bottom front left hand
corner. Dry the probes and internal area
with a dry cloth.
Unplug the machine and remove the left
side plate.
Locate the Leak Detector valve. Reset the red lever (push it in). Reconnect the power to machine
and test operation.
HOT
1 2
4
3
5 6

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Specification
COOLING SYSTEM u1
All Systems
High efficiency compression system with capillary
control. Premium quality long life hermetic
compressor. Compact internal condenser – fan
assisted for greater efficiency. Environmentally
friendly R134A refrigerant.
3.5 litre stainless steel chiller tank with level
control containing stainless steel cold water
direct chill coil.
Stainless steel carbonator tank with independent
level control fitted inside coil.
COLD TEMPERATURE 2°C to 11°C.
THROUGHPUT PER HOUR 18 litres cold < 12°C / 16 litres
sparkling <12°C.
DISPENSE Swan Neck Faucet with ergonomically designed
and situated light touch sensitive controls.
MAXIMUM RUNNING
POWER CONSUMPTION
85-100 watt. Cooling. (Additional intermittent
carbonation usage). (BK5 0.7A/ BK9 1.5A)
POWER SUPPLY IEC Power – Fused Socket.
WATER CONNECTION Mains in (3.5bar max) - 1/4” Push Fit/Faucet -
6mm Push Fit .
CO2 CONNECTION 1/4” Push Fit.
UNDERCOUNTER
DIMENSIONS
(w x d x h) 230 x 360 x 390mm
WEIGHTS Chilled &
Ambient
Undercounter Unit only - 15.0 kg/Faucet - 1.3kg
Chilled,
Ambient &
Sparkling
Undercounter Unit only - 17.1 kg/Faucet - 1.3kg

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