AC, Air cooled models with part code commencing – 06 1 3601XX
21
WC, Water cooled models with part code commencing – 06 1 3602XX
X
Contents
Section Content
1. Introduction
2. Installation Instructions
3. Service Maintenance instructions
4. Fault Finding
5. Product Photos
6. Data Sheets
7. Parts Lists and exploded views
8. Wiring Diagrams
1. Introduction
The Index remote cooler is a functional and robust remote cooler, designed with the installer and
service technician in mind. It’s simple and effective operation delivers reduced operating costs
and reduced life costs.
The Index is built to BDA standards, ensuring that the lid is interchangeable, there is simple
exchange of serviceable parts and standard cassette product coils.
Index also has a small footprint, minimising the valuable space taken up in account cellars or
back room
IMI Cornelius is able to offer one of the most extensive ranges of equipment together with a
support package which is second to none.
2. Installation
2.1. Requirements Summary
Installation must be carried out by a suitably trained person and comply with
national and local codes for connection to the electrical supply.
- Unit must be installed indoors on a dry, level surface
- Good ventilation (minimum 100 mm gap around unit)
- Access to side, top and front
- Electrical - 13 amp, 230V
- Grounded, switched (preferably an RCCB)
- Socket within 2m of unit
INDEX 21 AC (air cooled)
- Outside a chilled cellar, close to beer storage
- Ambient temperature 10 to 43°C
INDEX 21 WC (water cooled)
- Base unit inside chilled cellar
- Ambient temperature
o Base unit 10 to 38°C
o Heat Discharge Unit -10 to 35°C
- Maximum distance between base unit and heat discharge unit
o 30 metres using 1.5mm2 cable
o 50 metres using 2.5mm2 cable
- Glycol Mix- must be pre-mixed before adding to the unit
o Glycol 30% / Water 70% (minimum)
o Glycol 40% / Water 60% (maximum)
- Prepare maximum 12 litres for 50m flow and return of 11.5mm ID
- Minimum glycol flow rate 4.5 litres/min
2.2 Installation Instructions
Please read carefully before installing the unit
Please follow these instructions carefully. Only if the remote unit is properly installed and
maintained will trouble free operation and customer satisfaction be achieved.
General description
This is a remotely sited cooler used for cooling drinks such as beer, lager, cider & stout.
Incorporating mechanical temperature control this unit is suitable for the utilization of water as
the product cooling medium and for the formation of an ice reserve.
A recirculation pump provides both constant agitation of the water bath and a flow of recirculating chilled cooling medium for python cooling. The remote cooler is fully automatic,
therefore, the electrical supply must not be interrupted (unless access for maintenance is
required), otherwise reduced performance and reliability will occur.
Safety
Read this booklet before undertaking installation or maintenance.
Recognize safety alerts – isolate the power supply before removing panels.
DANGER - Indicates an immediate hazardous situation which, if not avoided, WILL result in
WARNING - Indicates an immediate hazardous situation which, if not avoided, COULD result
CAUTION - Indicates an immediate hazardous situation which, if not avoided, MAY result in
Handling & transportation
Installation
Siting
Remote A/C & W/C Units
Keep the remote cooler in an upright position and do not drag over rough floors or down
steps.
Upon receipt, unpack the unit carefully and visually inspect for any damage which may
have been sustained during transit. Record the nature of any damage on the courier’s
delivery note and, at the same time inform your supplier.
Once the unit is in position, do not move when filled with water
Installation must only be carried out by suitably trained person and must comply with
national and local codes for connection to electrical supplies.
It is recommended that the installation is protected by an RCCB (Residual Current Circuit
Breaker).
Remote units are designed for indoor use only.
The remote units may be sited within cooled cellars, store rooms or other appropriate
internal areas where the ambient air temperature is between 5°C and 43°C (A/C), 38°C
(W/C).
Remote coolers should not be exposed to liquid spillage, spray, steam or humidity at a
higher level than 90% rh.
Site the cooler within 40 metre’s of the point of dispense.
serious injury, death, or equipment damage.
in serious injury, death, or equipment damage.
minor or moderate injury, or equipment damage.
Locate the cooler within 2 metre’s of an earthed, switched, 13 Amp, 230V 50Hz socket
which is accessible for isolation of the equipment. The socket must be installed to comply
with current IEE regulations.
Site the cooler on a firm level surface, protect from physical damage and do not place
items on top of, or underneath the cooler.
Clear space must be provided above the unit. Allow 50mm clearance around the unit to
aid air circulation and keep the front of the unit clear to allow an unimpeded air supply to
enter the cooler.
Air vents should never become obstructed or blocked.
Access should be possible to the front panel for ease of service.
Do not stand on this unit.
Installation
General
WARNING - The appliance must be earthed.
If not already fitted, fit the appropriate electrical plug to the service cord. The fuse rating
With the unit unpacked and in position, remove all coil caps, but do not connect to an
Filling the product water bath.
Do not use de-ionised water or add any substance to the water (unless approved by
Do not leave hose pipes unattended whilst filling the product water bath as the unit may
Open the filler / inspection hatch on the lid of the cooler.
Fill with cool clean water until liquid starts to flow from the overflow
Stop filling and close the filler / inspection hatch on the lid of the cooler
The overflow is a 15mm connection. A fitting or pipe can be pushed directly into this to
Discharge unit (water cooled models)
The discharge cooler should be mounted on an exterior wall, not south facing, and provide
access for pipes and electrical cable to the base unit (maximum 50m). If no exterior wall is
available then mount inside on a wall in a cool room with plenty of fresh air ventilation. Avoid
warm areas (i.e. cupboards or small storerooms). Secure the discharge cooler to the chosen
location and fix (follow instruction guidance from the discharge cooler).
Using a minimum 1.5mm
cooler. Connect the two core cable to the quick fit terminal block, this is located at the rear of the
W/C cooler (Note: This is a nominal 24V 50Hz supply).
Complete the glycol circuit by connecting the pipe work between the remote W/C cooler and the
discharge cooler utilizing 15mm Service Valves.
WARNING - As the glycol lines will circulate a warm glycol mix it is important for safety reasons
that suitable tubing is used. Consult a specialist tubing manufacturer or contact Cornelius.
WARNING - PVC tubing, whether braided or not, is not suitable for this application.
is stated on the rating plate.
electrical supply at this stage.
Cornelius).
become flooded.
direct the condensate water to drain
2
two core cable, connect the Discharge Cooler to the remote W/C
The tubing ID must be sufficient to ensure a minimum flow rate of 4.5 litres/minute in the glycol
circuit. It is recommended that an ID of at least 11.5mm be used. Avoid using elbow joints as
these cause pressure drops.
The tubing must not be routed next to hot surfaces or sharp edges. Avoid ups and downs in each
glycol line as this may create air locks. Do not kink or crush the tubing, ensure minimum bend
radii of 100mm and support where necessary.
WARNING – The lines should never be taped together or insulated.
Priming the discharge unit coolant circuit (water cooled models)
CAUTION – As the python is not connected at this stage disconnect the electrical supply
connection for the recirculation pump from the socket on the rear panel at the back of the cooler.
Mix monopropylene glycol and water to give a solution of Minimum 30% glycol 70% water,
Maximum 40% glycol 60% water.
Glycol should be mixed in a clean container.
CAUTION – Always mix the water : glycol before filling the system.
WARNING - Do not use ethylene glycol.
Ensure sufficient glycol/water mixture is available for filling the coolant bottle and topping up
during priming before switching the remote W/C cooler on.
You will need to prepare:
4 litres of glycol/water mix to fill the water cooled unit coolant system.
In addition the complete system will require topping up with the following quantities to give a
Minimum 30:70 to maximum 40:60 glycol/water ratio whilst priming:
2.1 litres for every 10m of 11.5mm ID tubing
4.2 litres for every 20m of 11.5mm ID tubing
6.3 litres for every 30m of 11.5mm ID tubing
8.4 litres for every 40m of 11.5mm ID tubing
10.5 litres for every 50m of 11.5mm ID tubing
Fill the coolant reservoir to the maximum level (indicated on the front of the coolant reservoir).
CAUTION – ensure all service valves are in the open position prior to switching on the remote
unit
Switch on the mains electrical supply to the remote W/C unit.
As the coolant circuit primes, the level of coolant in the reservoir will drop. Keep filling the
reservoir with the prepared 30:70 / 40:60 glycol/water mixture, ensuring the level does not drop
below the minimum or exceed the maximum levels indicated on the front of the reservoir
CAUTION – do not allow the base mounted coolant pump to run dry.
Connecting the python & product lines.
CAUTION – Ensure the electrical supply connection for the recirculation pump is disconnected
from the socket on the rear panel at the back of the cooler.
If the mains electrical supply to the remote cooler is not already switched on, switch it on now.
CAUTION - All tubing/pythons must be routed to prevent undue stress, tight bends or kinking.
From the product python connect the recirculation lines to the flow and return of the top
mounted recirculation pump on the remote cooler. It is recommended that this connection is
made utilizing 15mm Service Valves to aid with future service requirements.
CAUTION - Ensure the recirculation lines are looped at the point of dispense and plug the
electrical supply lead for the recirculation pump into the socket on the rear panel at the back of
the cooler. Check all plumbing connections for leaks.
As the python recirculation lines prime the level of liquid in the product water bath will drop.
Refer to section ‘Filling the product water bath’ to top up to correct level.
Connect product in and python supply to each connection on the product coils of the remote
cooler. Utilize 3/8” push fit connectors.
Note: All lines to be well insulated to the requirements of the system.
Operation
Once connected to the mains electrical supply allow time for the cooler to build a full icebank
(refer to relevant Product Data Sheet for time to full icebank), the cooler is now ready to use.
Note: there are no user adjustable controls on this remote unit.
Service information
There are no user serviceable items inside the equipment. Maintenance and repairs
must only be carried out by a properly qualified trained person.
Should the unit malfunction, suffer spillage, physical damage or component failure SWITCH OFF
AND UNPLUG THE UNIT FROM THE MAINS ELECTRICAL SUPPLY.
CAUTION – Do not switch the unit ‘off’ and ‘on’ within 5 minutes.
If any maintenance/servicing is required, refer to the fault finding chart, wiring diagram and
exploded drawings contained in the manual.
Only use Cornelius recommended spare parts for cooler maintenance, failure to do so will
invalidate cooler approvals and warranty.
Condenser
cleaner at least every 6 months.
Product water bath
– It is recommended that the condenser is cleaned with a soft brush or vacuum
– It is recommended that the water in the water bath is replaced annually.
- Melt the ice bank.
- Drain the water bath.
- Refill the water bath.
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