Rheem XWELL XC-10 Technisches Dokument
This water heater must be installed and serviced by a qualified person.
Please leave this guide with the householder.
Owner’s Guide
and
Installation Instructions
MODELS
XC-10, XC-15, XC-30
XS-20, XS-30
Rheem XWELLTM
Electric Storage Water Heaters
An electronic copy of these Owner’s Guide and Installation Instructions
can be downloaded from rheemasia.com
PATENTS
This water heater may be protected by one or more patents or registered designs
in the name of Rheem Vietnam Ltd.
TRADEMARKS
® Registered trademark of Rheem Manufacturing Company.
TM Trademark of Rheem Manufacturing Company (Singapore) Pte Ltd.
Note: Every care has been taken to ensure the accuracy in preparation of this
publication. No liability can be accepted for any consequences,
which may arise as a result of its application.
CONTENTS
HOUSEHOLDER
This booklet contains important information about your new water heater.
We recommend you read pages 3 to 11.
The other pages are intended for the installer but may be of interest.
Contents ............................................................................................. 2
Safety, Warnings and Pressure Relief Valve .................................. 3
About Your Water Heater .................................................................. 5
Maintenance Requirements .............................................................. 8
Save A Service Call ......................................................................... 10
Installation – General ...................................................................... 12
Connections – Plumbing ................................................................. 17
Connections – Electricity ................................................................ 20
Commissioning ................................................................................ 21
Draining The Water Heater .............................................................. 22
Warranty ........................................................................................... 24
3
SAFETY, WARNINGS AND PRESSURE RELIEF VALVE
It is important you read the following safety and warning informations before using
the water heater.
SAFETY AND WARNINGS
This water heater is only intended to be operated by persons who have the
experience or the knowledge and the capabilities to do so.
This water heater is not intended to be operated by persons with reduced
physical, sensory or mental capabilities i.e. the infirm, or by children. Children
should be supervised to ensure they do not interfere with the water heater.
If the power supply cord is damaged, it must be replaced by a qualified person in
order to avoid a hazard. The power supply cord must be replaced with a genuine
replacement part available from Rheem. Phone Rheem Service or the nearest
authorised Service Agent to arrange for an inspection.
Do not modify the power supply cord, or immerse it in water, or remove it from the
water heater.
Take care not to touch the power lead with wet hands.
This water heater uses 220-240 V a.c. power for the electrically operated
components. The removal of the electrical cover will expose 220-240 V a.c.
wiring. Covers must only be removed by a qualified person.
This water heater is supplied with a thermostat, an over-temperature cut-out and
a pressure relief valve. These devices must not be tampered with or removed.
The water heater must not be operated unless each of these devices is fitted and
is in working order.
The Rheem warranty may not cover faults if the pressure relief valve or
other safety devices are tampered with or if the installation is not in
accordance with these instructions.
The operation of the over-temperature cut-out indicates a possibly dangerous
situation. If the over-temperature cut-out operates, it must not be reset and the
water heater must be serviced by a qualified person.
An isolation switch(s) must be installed in the electrical circuit to the water heater
in accordance with the local electrical standards, so the water heater can be
switched off.
A pressure relief valve is supplied with the water heater and must always be
installed.
Refer to “Pressure Relief Valve” on page 4.
This water heater must be hung on a wall using the supplied wall brackets and
with the water connections on the underside.
SAFETY, WARNINGS AND PRESSURE RELIEF VALVE
4
Do not use an upward force from underneath the water heater. Pushing the water
heater from underneath may cause it to come loose from its mounting brackets
and fall off the wall.
This water heater is intended to be permanently connected to the water mains
and not connected by a hose-set.
The water heater is supplied with a pressure relief valve with a pressure rating of
800 kPa. If the mains supply pressure exceeds 640 kPa, a pressure limiting valve
must be installed.
For continued safety of this water heater it must be installed, operated and
maintained in accordance with the Owner’s Guide and Installation Instructions.
Servicing of a water heater must only be carried out by qualified personnel. Phone
Rheem Service or the nearest authorised Service Agent.
Only a person qualified to install or service a water heater should drain the water
heater, if this is required.
Do not modify this water heater.
PRESSURE RELIEF VALVE
The pressure relief valve is located at the cold
water inlet and is essential for the water
heater’s safe operation. It is possible for the
valve to discharge a quantity of water through
the drain line during each heating period, if a
non-return valve is installed on the cold water
line to the water heater.
Warning: Never block the outlet of the
valve or drain line for any reason. A pressure
relief valve drain must be left open to
atmosphere, be installed in a continuously
downward direction and in a frost-free
environment.
User Maintenance: The easing lever on the
pressure relief valve must be operated once
every six (6) months to clear any deposits and
ensure the valve and its drain line are not
blocked. It is very important the lever is
raised and lowered gently. Refer to “User
Maintenance Every Six Months” on page 8.
Warning: Failure to operate the easing lever on the pressure relief valve once
every six (6) months may result in the water heater cylinder failing.
lift until water
flows from the
drain line –
lower gently
drain
outlet
cold water
inlet
5
ABOUT YOUR WATER HEATER
MODEL TYPE
The Rheem XWELLTM water heater is suitable for indoor installation only. Water is
heated by an electric immersion heating unit with temperature control provided by a
thermostat. The thermostat and heating unit operate automatically when heating of
the water is required.
The vitreous enamel lined steel cylinder is provided additional corrosion protection by
a sacrificial anode and is surrounded by high density polyurethane foam to reduce
heat loss and increase performance efficiency. Designed for connection to a mains
pressure water supply, the water heater allows connection to more than one hot water
outlet. The supply pressure should be greater than 350 kPa for true mains pressure
operation to be achieved.
Automatic safety controls are fitted to the water heater to provide safe and efficient
operation.
TEMPERATURE ADJUSTMENT
The water heater features a user adjustable Temperature Dial which is connected to
the thermostat. Temperature adjustment is made by turning the Temperature Dial:
clockwise to increase the water
temperature.
anti-clockwise to decrease the
water temperature.
The position of the Temperature Dial
is relative to the dial setting mark:
Set at the “” mark, heating of
water will not occur.
Set at the “MAX” mark, the water
will be heated to the maximum
temperature of 70°C.
The Temperature Dial incorporates a white light which will either pulse or maintain a
steady glow.
Pulsing white light – Heating Mode: The heating unit is on and heating is taking
place. It is normal for the heating unit to turn on when hot water is being used, or
during standby heat up (recovering heat loss), or when the water heater is switched
on after having been off.
Steady white light – Ready Mode: The water temperature has reached the
thermostat temperature setting and the heating unit is off.
clockwise increases temperature
anti-clockwise decreases temperature
dial setting
mark
ABOUT YOUR WATER HEATER
6
HOTTER WATER INCREASES THE RISK OF SCALD INJURY
This water heater can deliver water at temperatures which can cause scalding. Check
the water temperature before use, such as when entering a shower or filling a bath
or basin, to ensure it is suitable for the application and will not cause scald injury.
We recommend and it may also be required by regulations that an approved
temperature limiting device be fitted into the hot water pipe work to a bathroom or
ensuite when the water heater is installed. This will reduce the risk of scald injury.
TO TURN OFF THE WATER HEATER
If you plan to be away from home for one or two nights, we suggest you leave the
water heater switched on.
If it is necessary to turn off the water heater:
Switch off the electrical supply at the isolating switch (if installed) near the water
heater or outside of the bathroom, or at the water heater isolating switch on the
switchboard.
Close the cold water isolation valve at the inlet to the water heater.
TO TURN ON THE WATER HEATER
Open the cold water isolation valve fully on the cold water line to the water heater.
Switch on the electrical supply or at the isolating switch (if installed) near the water
heater outside of the bathroom, or at the water heater isolating switch on the
switchboard.
GOING ON HOLIDAY?
If you plan to be away from home for one or two nights, we suggest you leave the
water heater switched on. However, if you plan to stay away more than a few nights,
conserve energy by switching the water heater off at the isolating switch (if installed)
near the water heater or outside of the bathroom, or at the water heater isolating
switch on the switchboard.
Note: When the electrical supply is switched back on, the water heater will take some
time to reheat the water.
ABOUT YOUR WATER HEATER
7
WATER CHEMISTRY ADVICE AFFECTING WARRANTY
The water heater and its components are not suitable for certain water chemistries.
Those chemistries are listed below. If the water heater is connected at any time to a
water supply with the following water chemistry, the Rheem warranty will not cover
any resultant faults on the components listed below:
Water Chemistry Component Not Covered
Total Dissolved Solids (TDS) > 600 mg/L water heater cylinder
Saturation Index (SI) < -2.0 incoloy corrosion resistant heating unit
Saturation Index (SI) > +0.8 incoloy corrosion resistant heating unit
Chlorides > 200 mg/L incoloy corrosion resistant heating unit
Contact your local Rheem Dealer if a replacement of the heating unit is required.
CAUTION
If the water supply has a Total Dissolved Solids (TDS) content greater than 600 mg/L,
there is the possibility the anode may become overactive and hydrogen gas could
accumulate in the top of the water heater during long periods of no use.
If, under these conditions, the water heater has not been used for two or more weeks
the following procedure should be carried out before using any electrical appliances
(automatic washing machines and dishwashers) which are connected to the hot water
supply.
The hydrogen, which is highly flammable, should be vented safely by opening a hot
tap and allowing the water to flow. There should be no smoking or naked flame near
the tap whilst it is turned on. Any hydrogen gas will be dissipated. This is indicated
by an unusual spurting of the water from the tap. Once the water runs freely, any
hydrogen in the system will have been released.
8
MAINTENANCE REQUIREMENTS
USER MAINTENANCE EVERY SIX MONTHS
It is recommended user maintenance be performed every six (6) months by the
dwelling occupant. The user maintenance includes:
Pressure Relief Valve – Operate the easing lever on the pressure relief valve. It
is very important the lever is raised and lowered gently. Refer to “Pressure
Relief Valve” on page 4.
Ensure a drain line is fitted to the pressure relief valve outlet and the discharge
water is directed to the drain.
Warning: Exercise care to avoid any splashing of water by standing clear of
the drain line’s point of discharge when operating the valve’s easing lever.
If water does not flow freely from the drain line when the lever is lifted, then the
water heater must be checked. Phone Rheem Service or the nearest authorised
Service Agent to arrange for an inspection.
Safety Device (On selected models) – Test the Safety Device (Earth Leakage
Circuit Breaker) fitted to the power cord. To test the Safety Device:
Ensure the power outlet to the water heater is switched on.
Indicator Light (B) will be on.
To test, push Test button (A). Power will cut off, Indicator Light (B) will turn off
and Reset button (C) will pop up.
Note: If the Indicator Light (B) remains on, the safety device is not working
properly. Turn the water heater off at the power outlet and call for service.
To reset, push Reset button (C). Power will be reinstated and Indicator Light
(B) will turn on.
Note: If the Indicator Light (B) remains off, the water heater is not working
properly. Turn the water heater off at the power outlet and call for service.
Safety Device (ELCB)
A
B C
MAINTENANCE REQUIREMENTS
9
MAJOR SERVICE EVERY FOUR YEARS
It is mandatory a major service be conducted on the water heater every four (4) years.
The pressure relief valve should be replaced at intervals not exceeding four (4) years.
The checking of the valve performance or replacement should occur more frequently
in areas where there is a high incidence of water deposits.
Warning: Servicing of a water heater must only be carried out by qualified
personnel. Phone Rheem Service or the nearest authorised Service Agent.
Note: The major service and routine replacement of any components, such as the
anode and pressure relief valve, are not included in the Rheem warranty. A charge
will be made for this work. Only genuine replacement parts should be used on this
water heater.
The major service includes the following actions:
Replace the pressure relief valve at regular intervals, such intervals not exceeding
four (4) years.
Inspect and if there is any sign of depletion, replace the anode.
If the anode is not replaced, it must be replaced within four (4) years of this
service.
Check the electric heating unit for excessive calcium build-up or corrosion and
replace if necessary.
Visually check the unit for any potential problems.
Inspect all connections.
Note: The water heater may need to be drained during this service. After the
completion of the service, the water heater will take some time to reheat the water.
10
SAVE A SERVICE CALL
Check the items below before making a service call. You will be charged for attending
to any condition or fault that is not related to the manufacture or failure of a part.
NO WATER FLOW FROM THE HOT TAP
Is the isolation valve open?
Check the isolation valve on the cold water line to the water heater is open?
Check if there is water available from other taps in the premises.
If water continues to not be available, phone a plumber.
WATER FROM HOT TAP IS NOT HOT OR NOT HOT ENOUGH
Is the electricity switched on?
Inspect the isolating switch marked “HOT WATER” or “WATER HEATER” at the
switchboard and at the isolating switch (if installed) near the water heater or
outside of the bathroom and ensure they are turned on.
Check the fuse or circuit breaker marked “HOT WATER” or “WATER HEATER”
at the switchboard.
Thermostat setting
Ensure the thermostat setting is appropriate. Adjust the temperature dial to gain
additional hot water capacity.
Refer to “Temperature Adjustment” on page 5.
Warning: Hotter water increases the risk of scald injury.
Dieses Handbuch passt für folgende Modelle
4
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