Buffalo GH187 Operator's manual

USER INSTRUCTION MANUAL
Autoll Water Boiler
GH187 GC719
(FILTERED PRODUCT)
Bualo Warranty
1 Year Parts
1 Year Labour
083347300 - 03/06/14

Introduction
Thank you for purchasing this Buffalo appliance.
To ensure you obtain full benets from your new appliance:
• Please read this instruction booklet carefully, and follow all instructions.
• If you are unsure of any aspect of the installation, use or performance of your
appliance, please contact our After Sales team on (00 44) 0845 146 2887.
Contents
Important Information
Safety Information
Delivery Checklist
TechnicalSpecication
Installation
User Guide
Cleaning
Maintenance
Troubleshooting
Service Information
Warranty
Disposal
Declaration of Conformity

Important Information
The use of an electrical appliance requires the following common sense safety rules.
Primarily there is a danger of personal injury and secondly damage to the appliance
and property.
These are indicated in the instructions by the following two conventions:
WARNING: Danger of personal injury.
Important: Damage to the appliance.
These appliances are intended for commercial use as detailed in these in-
structions. The company has a policy of continuous improvement in product
quality and design. The Company, therefore, reserves the right to change
the specication of its models at any time. These appliances are designed
for continuous operation and should only be switched off for the purpose of
maintenance or emergency.
Safety Information
To prevent injury to yourself or your staff, and to avoid damaging the appliance, please
read and follow the safety precautions below before setting up and using the unit:
• Remove all packaging and plastic coatings from the appliance
• Clean the appliance before use
• Check that the appliance has not been damaged in any way during transporta-
tion (If any damage is found, it MUST be reported to our After Sales department
immediately by calling 00 44 (0)845 146 2887.
• Ensure that the electrical supply cord is not damaged. The supply cord on this ap-
pliance is of a special type. If replaced, only a Buffalo supply cord must be used.
• Always disconnect the appliance from the electricity supply before servicing
• The unit must be earthed
• Do nor try to modify this appliance
• Never clean the appliance with a water jet or steam cleaner
• Inform staff that the surfaces will become hot
• Keep these instructions in a safe place near the unit for future reference
Delivery Checklist
If an item is missing please contact your dealer immediately.
• Appliance
• Drip tray and insert
• Inlet hose with 3/4” BSP connections
• Waterlter(GC719)
• User instructions

Technical Specication
Model GH187 GC719
Filtration No Yes
Height mm 570 570
Width mm 344 344
Depth (inc. dtrip tray) mm 465 465
Capacity L 10
Weight Kg 10.3 11.0
Ambient Temperature oC 5 - 30
Water Inlet Pressure MPa 0.2 - 0.8
Voltage 220 - 240V - 50/60Hz
Power Rating kW 2.52 - 3.00
Installation
WARNING: The installation of the appliance must be
performed by a competent person, taking into consider-
ation:
• Health and Safety at Works Act
• IEE Regulations
• BS Codes of Practice
• Local and National Building Regulations
• Local and National Water regulations
Location:
• Theappliancemustbeonaat,horizontalsurface
• Ensure that safe operational access to the appliance is unrestricted
• Do not site the appliance directly beneath wall cupboards, other wall mounted
appliances and low ceilings that are susceptible to damage from water vapour
• Do not use your appliance outside
• The appliance must be installed 100mm from any walls
• Do not place on or near hot surfaces
• Do not allow your appliance to freeze. If this happens, do not operate the appli-
ance and contact the manufacturer.
Important: Access to the service area is restricted to persons having knowledge and
practical experience, in particular as far as safety and hygiene is concerned.

MAINS CABLE
MAINS WATER
CONNECTION
FILTER HEAD
(FILTERED MODEL(S) ONLY)
STEAM VENT
MAINS CABLE
MAINS WATER
CONNECTION
STEAM VENT
FILTERED UNFILTERED
Electrical Connection:
The appliance must be earthed.
Check that the voltage on the rating plate of your appliance corresponds with your
electricity supply.
The boiler is supplied with a 13 amp plug. If replacing the plug, connect the terminals
as follows:
GREEN and YELLOW wire EARTH - E
BLUE wire NEUTRAL - N
BROWN wire LIVE - L
For safety regulations the plug or means of disconnection must always be accessible.
Water Connection:
Connect the supplied inlet hose to the inlet connection point on the base of the appli-
ance and the other end to the mains cold water supply.
Overow & Drainage
Duetotheelectronicfunctionoftheapplianceitishighlyunlikelythatanoverow
wouldoccur.Theapplianceisdesignedsothatanyoverowoccurrenceandconden-
sation is directly vented into the drip tray.
Note: There will be some steam emissions from the vent at the base of the appli-
anceduringitsinitialllstages.Thesteamemissionswilllessenasthewatervolume
increases in the tank.
GC719 GH187

User Guide
Your Product
On / Off
Switch
Controller
Driptray
& Insert
Removeable lid
for descaling
Tap with safety lock
INSTALLATION
PIPE
FILTER
(FILTERED MODELS
ONLY)

Screen Control
ON !
Power button
Green LED
Indicates unit is on
Red LED (Solid)
Indicates:
1) Appliance requires descaling or
2) Maintenance is required
Red LED (Flashing)
(Filtered Models Only)
1) Filter needs replacing
Filter (ltered models only)
Totthelter:
1. Insertltercartridgeintolterhead
2. Turn cartridge clockwise to lock
GC719 / GH187
GC719

Operation
First Use
THE FOLLOWING PROCEDURE MUST BE DONE BEFORE USE
1. Remove yellow steam cap from steam pipe (see steam label on front of product)
FAILURE TO DO SO WILL CAUSE THE PRODUCT TO STOP OPERATING
2. Remove warning label(s) covering controller
3. Switch on the mains water supply and the electricity supply
4. Leavetheappliancetollandheatwaterfor15mins

5.Drawwaterfromthetapuntiltheowofwaterstops
6. Repeat instructions 4 and 5
7.Leaveproducttollandheatwater
8. Your appliance is now ready for use.
Regular Operation
This appliance is designed to be left permanently switched on, it is only necessary to
turn it off for descaling or maintenance.
Tap Function
Tap function can be varied between:
(a)Useroperatedow (b)Constantow
This can be achieved by twisting the handle through 180o. In addition, the safety lock
canbeactivatedbytwistingitthrough90o. When in this position, the tap cannot be
operated accidentally.
As water is drawn off through the tap, small quantities of water are added to replenish
and ensure that hot water is always available.

Filter Replacement (ltered models only)
Code: GC719
WhenthelterneedsreplacingtheRedLEDonthecontrollerwillash.Toreplacethe
lter:
1. Remove drip tray
2. Twistthecartridge900(1/4 turn) counter clockwise to unlock (care should be
taken when doing this as it will contain a small amount of water)
3. Insertnewltercartridgeintolterhead
4. Turn cartridge clockwise to lock
Toresetthelterwarning(ashingLED)thefollowingproceduremusttakeplace:
1. Placengersonthecontrollerscreenasindicatedintheimagebelow:
Cleaning & Maintenance
WARNING: Disconnect unit from electrical supply
before cleaning, descaling or replacing any parts.
Cleaning
We recommend cleaning your appliance on a regular basis. Failure to do this
may result in the appliance not operating to its full potential and could invali-
date your warranty.
Important: Do not immerse the appliance in water or any other liquids and take care
to keep water away from the mains lead and connections.
1. Clean the external surfaces of the unit regularly to maintain hygiene.
2. Empty the drip tray regularly
3. Wipe the dispensing tap daily to remove any lime-scale deposits and check that
the water outlet is clear
4. Wipe the unit down with a damp soft cloth
5. Do not allow excess water to run into the unit
6. Do not use abrasive creams or scoure
ON !
10 s

Descaling
The descaling procedure must be performed by trained personnel as it requires the
removal of panels from the boiler and access to live electrical components. Always use
a descaling agent suitable for stainless steel. Please note any relevant Personal Protec-
tive Equipment must be worn when undertaking any descaling.
1. Isolate the boiler from electrical supply.
2. Allow the water to cool to approximately 60oC
3. Remove the screw from the back of the boiler and remove the top cover.
(PICTURE 1 & 2)
4. Remove the insulation on top of the tank, unscrew and reposition the tank lid.
(PICTURE 3, 4 & 5)
5. Add descaling agent in accordance with manufactures instructions. (PICTURE 5)
6. Replace the tank lid/insulation and top cover.
7. Turn on the electricity and allow the boiler to operate normally for approximately
45 minutes.
8. Isolate the boiler and allow to cool down.
9. Remove the tank lid again, to inspect the tank and level detectors for scale depos-
its.
10. Drainandushthedescalingagentfromthetank,usingtaponthefrontofthe
appliance.
11. To drain the tank completely, remove the front panel by removing 2 screws behind
the drip tray and lifting the panel up, over the tap. (PICTURE 6, 7 & 8)
12. Position a bucket in front of the product and open the service valve to drain the
waterfromthetank(PICTURE9)
13. When empty, close the valve and replace front panel.
14. Replace tank lid, ensuring the gasket is sealing the top of the tank correctly.
15. Fit top cover and turn on the boiler.
In hard water areas where a large build-up of scale has formed, you may need to
physically scrape from the tank. If this is required, ensure care is taken and not to
damage the level sensor probes.
FAILURE TO DESCALE ON A REGULAR BASIS WILL INVALIDATE YOUR
WARRANTY

12
3 4
Front Back

56
7
8
9

Troubleshooting
Fault Codes
Indicator Fault Actions
Red light
(Always on)
Descale or maintenance
required
Follow descale procedure.
If red light stays illuminated
after descale please contact the
manufacturer
Red light
(Flashing)
Filter needs replacing Followlterreplacementproce-
dureandreplacelter
Service Information
For help with the installation, maintenance and use of this appliance please contact our
service department on 00 44 (0)845 146 2887.
Toensurethatyourserviceenquiryishandledasefcientlyaspossible,pleasetellus:
Brief details of the problem
Product code
Serial number
(Product code and Serial number can be found on front of this handbook or the rear of
your appliance)
Warranty
This unit carries a comprehensive 12 month warranty (from date of purchase) against
defective materials or faulty workmanship. The guarantee is in addition to, and does
not diminish your statutory or legal rights.
The guarantee does not cover:
• Accidental damage, misuse or use not in accordance with the instructions in this
handbook.
• Consumableitems(lters,etc)
• Damageduetoincorrectinstallation,modication,unauthorisedserviceworkor
damage due to scale.
The manufacturer disclaims any liability for incidental, or consequential damages.
Disposal
WEEE directive registration no. WEE/CK0046SY/PRO
At end of unit life, dispose of appliance and any replacement parts in
a safe manner, via a licensed waste handler. Units are designed to be
dismantled easily and recycling of all material is encouraged whenever
practicable.

Telephone Helpline:
00 44 (0)845 146 2887
Fourth Way, Avonmouth, Bristol, UK, BS11 8TB