Alva GWH2008L User manual

8L / 12L / 16L /20L
GAS WATERHEATER
/alvagas
/AlvaGas
TOLL-FREE NUMBER: 086 100 ALVA (2582)
|[phone] [e-mail] | www.alva.co.za
A division of Stingray Accessory Manufacturers (Pty) Ltd |.O. Box 30014, Tokai, 7966P

Please read the
instructions carefully
before use.
Retain this manual for
future reference.
IMPORTANT SAFETY INFORMATION
As with all gas appliances, misuse of this appliance or failure to fully follow
instructions before using your gas heater.
• Never use this appliance in an enclosed area such as a camper, tent or
car.
• THIS UNIT MUST BE THOROUGHLY CHECKED BEFORE USE.
•
use.
• DO NOT use this appliance if you do not clearly understand the
instructions and/or how to operate the controls.
• Phone the customer care line at 086 100 ALVA (2582) or email
[e-mail] for assistance.
• DO NOT leave the appliance unattended while in use.
• Ensure that the gas supply is turned OFF after use and while the
appliance is unattended.
• DO NOT move the appliance while in use.
• DO NOT place objects on or against the appliance.
•
Testing procedure outlined under ‘LEAK TEST’.
• NEVER use this appliance with a cylinder other than the size
recommended
• DO NOT unscrew the regulator while the appliance is on or if the cylinder
valve is open.
• DO NOT use an appliance you suspect is faulty.
•
valve (on the heater) and then make sure to close the cylinder valve.
•
and repairs. The guarantee for the heater will be rendered void if the
heater is serviced or repaired by any one other than an Alva appointed
technician.
•
to make sure the unit is safe and fault free.
• The operator is responsible for the safety of all third parties while the
appliance is in use.
•
the vicinity of this or any other appliance.
• If used on boats, use only above deck.
• Always use the appliance in an upright position.
• Keep children and pets away from the burner at all times.
• DO NOT operate the appliance under any overhead construction.
• Use only on a level, stable, non-combustible surface like bricks or
concrete
• Keep the fuel supply hose away from any heated surfaces.
• Should overheating occur or the gas supply fail to shut off, turn off the
gas supply at the cylinder.
•
appliance.
• This appliance will be hot during and after use. Use insulated oven
gloves or mitts for protection from hot surfaces.
• Always allow the appliance to cool before covering.
• Always cover the appliance when not in use.

IMPORTANT INFORMATION FOR THE USER
Gas
installer. All registered installers are issued with a card carrying their
registration number. Ask to be shown the card before allowing the installation
work to commence and make a note of the Installer registration number. Upon
completion of the installation, the installer is required to explain the
operational details of the appliance together with the safety instructions. You
will be asked to sign acceptance of the installation and be provided with a
when the installation is completed to your satisfaction.
Note that your invoice is required in the event that you wish make a warranty
claim.
IMPORTANT INFORMATION FOR THE INSTALLER.
This appliance may only be installed by a gas installer registered with the South
be installed in accordance with the requirements of SANS 10087-1 for use with
local bylaws applicable to the area. If in doubt, check with the relevant authority
before undertaking the installation. Upon completion of the installation you are
required to fully explain and demonstrate to the user the operational details and
safety practices applicable to the appliance and the installation.
CAUTIONS
(a) Don’t use the water heater in a sealed room or poorly ventilated place.
(b) The exhaust pipe must be installed to discharge exhaust gas outside.
gas valve immediately. The cause of the gas leakage should be tested and
the service center or gas company must be contacted.
(d) Before leaving the house or going to sleep, please be sure to shut off the
gas supply.
(e) Do not place any objects at the exhaust port or air inlet to avoid poisoning
caused by incomplete combustion.
(f) During operation, please pay attention to combustion situation. If there is an
abnormal combustion, you should close the gas valve immediately and then
contact the service center or gas company for maintenance.
(g) When the outdoor temperature drops below zero and freezing may
occur, the remaining water should be discharged out of heater after using it.
Water should be discharged in the following steps: turn off the gas supply
valve – turn off the tap water supply valve - remove the water discharge
valve to discharge remaining water entirely - re–install the water discharge
valve.
(h) The body of the water heater can get very hot during operation, so please
don’t touch any part of the water heater except for the switches.
(i) While using the water heater constantly, please pay attention to the
tight or there are cracks in the hose, you should stop using and make timely
maintenance or replace with a new one.

INDEX
INDEX
WARRANTY
GENERAL INFORMATION
WATER HEATER SET UP
FLASHBACK
LEAK TEST
FUNCTIONS & FEATURES
OUTLINE APPEARANCE
CONSTRUCTION & NAME OF PARTS
TECHNICAL PARAMETERS
INSTALLATION INSTRUCTIONS
CORRECT POSITIONING OF THE WATER
HEATER
INSTALLING THE FLUE
HOW TO SETUP AIR VENT
DAILY MAINTENANCE
MAINTENANCE
FREQUENTLY ASKED QUESTIONS
TROUBLE SHOOTING GUIDE
SPECIFICATIONS
AFTER SALES SERVICE
2
2
3-4
4
5
6
7
8
9
9-11
11-12
13
14
15-16
16
17
18-21
22
23
KEY
Important information
Cautions and
warnings.
Danger
Contact an approved
ALVA technician.
Do It Yourself

WARRANTY
PLEASE RETAIN YOUR PROOF OF PURCHASE FOR
WARRANTY CLAIMS.
ALVA warrants this appliance to be free of defects in material and
quality for a period of 12 months from date of original purchase.
This warranty covers the intended use of this appliance – within
a domestic setting and not for commercial or industrial purposes.
unauthorized repair will not be warranted.
Please retain all packaging material, as items returned without
original packaging material may be subject to a withholding fee.
Where this appliance is found to be defective, damaged, broken,
or does not work correctly for the intended purpose, you must
return the appliance to the retailer where it was purchased. The
warranty will only be effected with valid proof of purchase. Failure
to provide the proof of purchase will most likely result in the
repair or service required being chargeable.
If you have any questions while setting up or using this heater,
please visit www.alva.co.za or call 086 100 ALVA (2582) or e-mail
[e-mail]
GENERAL INFORMATION
Before using this appliance, please read through this manual and
make sure you understand everything. If you are not sure, please
call 086 100 2582 or visit www.alva.co.za for help.
This appliance
according to these instructions.
Keep this manual for future reference. This manual should be
read in conjunction with labeling on the product.
If this product is not what you want or need, please help Alva and
the environment by not damaging or destroying any part of the
packaging, the manual or the Styrofoam inserts. Always keep
your proof of purchase.
Keep these instructions for future use. If you lose this copy, you
can obtain a new copy from your dealer or online at
www.alva.co.za
Thank you for your
purchase of this
water heater.
Please read these
instructions carefully
before use and keep
them in a safe place,
for future reference.
Not using gas and/
or gas appliances
according to the
instructions is
extremely dangerous
and can lead to
property damage,
injury or death.
2

WATER HEATER SET UP
Setup using mounting brackets
This appliance may be mounted on to a non-combustible
surface. The appliance is to be mounted using the supplied
hardware. For a temporary mount the unit can be suspended
from the top bracket. If being mounted permanently the appliance
should be mounted using both the bottom and top tabs.
3
Outlet hose and shower head
assembly
Attach the shower nozzle to the
hose. Make sure to insert the
supplied rubber gasket at the
connection.
Connect the opposite end of the
bottom of the appliance labeled
“Water Output”. Make sure to insert
the supplied rubber gasket at this
connection.
Hand tighten only.
Rubber Gasket
Rubber Gasket
Rubber Gasket
-
necting a garden hose included. If
connecting a garden hose to the
using the supplied gasket to the
appliance labeled “Water Output”.
Hand tighten only. Ensure the
garden hose has a rubber gasket
inserted in the connector.
Attach a standard garden hose
appliance labelled “Water Input”.
Make sure to insert the supplied
rubber gasket at the connection.
Rubber Gasket
Optional garden hose connector to output
Water supply input assembly

4
Battery Installation
Install 2 ‘Type D’cell batteries in the compartment on the bottom
of the appliance. Make sure the batteries are installed in the
correct direction.
Clean the battery and device contacts prior to battery installation.
Always purchase the correct size and grade of battery.
DO NOT mix new and old batteries. Replace all batteries at the
same time.
Although any “D” Batteries will work, ALVA recommends using
VARTA Consumer Batteries.
Connecting the regulator to the appliance
a crescent or 7/8” end wrench
when tightening or loosening
the regulator hose.
Attach the gas regulator to the
appliance. The regulator will attach
the appliance labeled “Gas Input”.
on the end of the hose
Use 2 adjustable wrenches of
19mm and 22mm wrenches for
tightening the hose to the brass
valve of the appliance.
WARNING
Attempting to tighten
using a wrench on the
the bottom of the ap-
pliance could damage
the product and cause
a gas leak. Damage
may occur to the unit if
tightened improperly.
FLASHBACK
turn all the controls to the ‘OFF’ position. Wait 5 minutes before
attempting to relight the Water Heater. If the problem persists,
check for blocked venturi ports by removing the burner and
cleaning with compressed air or with a pipe cleaner. Check under
burner cap or aeration adjustment - Restart Water Heater.
If problem persists do not try to rectify the problem yourself as
this could result in serious injury and/or property damage.

• If bubbles appear, turn the cylinder valve OFF (clockwise)
and disconnect the heater from the gas cylinder.
• Tighten the connection and retry the leak test.
• If you are unsure or if you cannot tighten the connection,
place the cylinder outside in a cool, well-ventilated area and
contact Alva on 086 100 ALVA (2582).
• A leak between the heater and cylinder can lead to a high
extensive injury or even death.
LEAK TEST
The leak test must be carried out in a well-ventilated area, free
• With the cylinder connected to the heater. Open the cylinder
valve.
• Brush the connections (heater to cylinder) with a solution of
equal parts soap and water (make sure it’s foamy).
• A stream of bubbles forming indicates a gas leak. (See
Fig.G)
• If bubbles appear, turn the cylinder valve OFF (clockwise)
and disconnect the heater from the gas cylinder.
• Tighten the connection and retry the leak test
Fig.G
Foamy
bubbles
indicate a
leak
Connection
in assembly
Connections to be leak tested
Regulator into cylinder
Hose to regulator
Hose to appliance
5
DO NOT insert any
foreign objects into the
valve outlet. You may
damage the valve and
cause a leak.
A leak may result in
a property damage,
injury or even death.
NEVER attempt to
attach this appliance to
the self contained gas
system of a camper,
trailer or motor home.
http://www.
youtube.com
/watch?v=8L
pZ1B0m23Y
&feature=plcp
How to do
a leak test

6
FUNCTIONS & FEATURES
Water controlled automatic ignition:
If the hot water tap is switched on, the unit will automatically
ignite and deliver hot water to the tap.
Auto cut-off protection:
Numerical control automatic ignition, the auto cut-off protection
will extinguish the gas supply immediately.
Low water pressure startup function:
When water supply pressure is lower to 0.025Mpa, the water
heater cannot be ignited, Fit water pressure pump to boost
pressure.
Anti-freeze protection:
When temperature is very low, remove the water discharge valve
to discharge accumulated water inside the water pipe to avoid
damage caused by freezing.
High-pressure protection:
Once water pressure is over 0.8Mpa, the water-out valve will
release water and lower the pressure. This will happen
automatically to avoid damage.

PLEASE SEE THE OUTLINE APPEARANCE AS FOLLOWS:
7
Temp Display
ALVA Water Heater
(GWH2008L, GWH2012L
GWH2016L & GWH2020L)