A.O. Smith CEWHR-PE6 User manual

Storage Electrical Water Heater
CEWHR-PE6
User Guide

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In 1936, A. O. Smith developed and patented the process of
glass-lined water heaters, pioneering the modern standard in
water heater design. Over the past years, A. O. Smith has
gained respect and support of homeowners, contractors,
architects, and specifying engineers in over 60 countries by
providing innovative, energy-saving products designed for
years of trouble-free service.
A. O. Smith Water Products Company, now the largest water heater
manufacturer in the world, continues the tradition of innovation and
becomes a global leader in water product industry.

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......................................................................................................................3


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High Temperature Limit Protection Switch
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Safety Valve
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The Power-off Protection Sy tem
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
Electronic Controller
Gla
-
lined Protection Tank
Anode Protection
High Efficiency Energy- aving In ulation
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Mounting ...............................................................................................................................................6
Mounting Procedure and Precaution
Mounting Guideline
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Pipe Connection·
..........................................................................................................................8
Power Connection
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Water Filling
...............................................................................................................................8
ControI Box Connection
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Electronic Controller Operation
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Maintenance
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1
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
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
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Only profe ional in taller acknowledged by A.O.SMITH are permitted to in tall the torage
electrical water heater. If the water heater i in talled with elf-prepared in tallation material or by
un-authorized per onnel, A.O.SMITH will not be re pon ible for all lo e incurred thereby,
including but not limited to pipeline leakage, fall or improper in tallation that may affect normal
operation and performance of water heater.
The torage electrical water heater i for re idential application. Therefore, it may affect life expec-
tation if it i u ed for commercial application.
After in tallation and operation of the torage electrical water heater, u er hould in pect the
y tem regularly and make nece ary maintenance according to operation condition . If any abnor-
mality occur , plea e top operation immediately, and contact local authorized dealer for repair to
en ure the normal, afe, and reliable operation of the water heater.
The anode rod i a con umable part and it i generally ugge ted to check and replace the anode rod
every 2 or 3 year . U er could contact the local authorized dealer for check and replacement to
extend life expectation of water heater.
Prior to any maintenance or repair of the torage electrical water heater, plea e cut off power
upply. Unauthorized per onnel are not permitted to adju t and repair the heater.
In ca e the water heater i ubject to dry heating, the generated team or burning water might lead
to eriou cald. Therefore, it i nece ary to fill the water heater with water. If dry heating
occur , cut off the power and water upply at once, top the operation,contact local authorized
dealer.and carry out in pection or repair by our company recommended profe ional in taller .
In ca e of any component oaked by water, the water heater i not permitted to u e until checked by
authorized ervice taff.
Main component of the torage electrical heater are protected by in ulation material to en ure
afety u e. Any damaged power cord hould be replaced by authorized ervice taff.
The pre ure relief valve, equipped on the torage electrical water heater, i forbidden to change
in tallation po ition or be blocked. Di charge pipe i required to connect the valve and down toward
floor drain.
In ca e of any fault of pha e line and neutral line ,the power-off protection y tem will cut off the
connection between water heater and electric upply circuit in tantaneou ly. Plea e top u ing, pull
the plug, and contact local authorized dealer.
Thi i only uitable for the model with the power-off protection y tem.
Water, including hot water, out of the torage electrical water heater i not permitted for drinking.
Electricity for the torage electrical water heater hould be upplied by independent branch of
circuit, of which electricity meter, breaker, maximum current need to be checked by profe ional
electrician in advance.


2

Damaged electric wire, aged, loo e and unfixed ocket are not ugge ted to be u ed becau e of the
danger of electric hock, hort circuit , fire , etc. Plea e en ure power cord and ocket could be
connected well.
A. O. SMITH Water Heater Company Ltd re erve the right to explain all provi ion mentioned
above.
$
Failure to follow in truction in the u er guide may cau e fire di a ter, which would
be a threat to life and property ecurity.
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Warning:the water heater i not permitted for u e without reliable ground wire
circuit for power ocket. In ca e of the power indicator light off , plea e immedi-
ately top u ing, pull plug and contact local authorized dealer. Well-drained floor
drain i e ential to prevent the damage to urrounding or down tair in ca e of
leakage of heater or joint.
Power ocket hould be located at a dry place, and power cord hould not be pu hed or pulled with
wet hand to avoid the danger of electric hock.


3
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Hot water (outlet)
Cold water (inlet)
Safty valve
Model
718
217
275
L (mm)
S (mm)
D (mm)
L1(mm)
Φ395
CEWHR-80PE6 CEWHR-100PE6CEWHR-50PE6CEWHR-40PE6
838
217
340
Φ395
863
250
365
Φ463
1028
250
446
Φ463
(L) (W)
50
80
(V)/
Frequency
(A) (℃)(kg)
23
30
(MPa)
100
5.5
35～75
330.8
50
40
23
21
CEWHR-40PE6 40
～220/50
21
Model Volume Voltage
Range
Temperature Rated
pre ure
Net
weight
(Hz)
D
SL1
L
G1/2"
Power
Rating
Rated
Current
G1/2"
CEWHR-50PE6
CEWHR-80PE6
CEWHR-100PE6
CEWHR-40PE6
CEWHR-50PE6
CEWHR-80PE6
CEWHR-100PE6
80
100
1200
1200
1200
3000
3000
3000
3000
1200
13.1
30
33
Hot water (outlet)
Model
Type
Low Power
Standard
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The rated power of the model i 1200W.
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Power of the model i on the plate of the body.

4
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.
A high temperature limit protection thermal cutout i equipped on the
torage electrical
water heater. The
witch cut off the pha e and neutral line in tantaneou ly and imultaneou ly to guarantee afety in ca e
water temp reach the high temp limited due to water heater fault. If thi happen , plea e contact local autho-
rized dealer.
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A afety valve hown in fig.1 (Model G1/2-0.8, default 0.8MPa, not adju table by u er) i equipped
on inlet tube of torage electrical water heater. The valve will relieve pre ure automatically when
piping y tem pre ure exceed the etting point. Di charge pipe i required to connect the valve in a
fro tle environment and down toward floor drain, and in any ca e the pipe hould not be blocked.
In ca e of any fault of pha e line and neutral line ,the power-off protection y tem will cut off the
connection between water heater and electric upply circuit in tantaneou ly. Plea e top u ing, pull the
plug, and contact local authorized dealer.
Thi i only uitable for the model with the power-off protection y tem.
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MAX function mean more hot water output, therefore, better bath experience.
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Five light block vi ibly indicate the hot water amount available in tank.
MODE
PROGRAM
INSTANT
SING E
STANDARD
MU TIP E 1
2

5
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By power-on more than 4 hour , the water heater could keep etting information for 72 hour when
power upply i cut-off.
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A polyurethane foam in ulating layer without Freon reduce heat lo effectively.
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.
The Gla -lined protection tank i a patent by A.O.Smith, coating tank with Silicide moothly and
fu ion at 870℃. The anti-ru t and anti- caling gla coating ha pa 100,000 cycle fatigue life te t in
accordance with relevant UL Standard .
A powerful teel-core-anode rod i u ed to protect tank and greatly prolong ervice life of the water
heater.
Hot water over 50℃ ha the ri k of cau ing cald. Plea e do take care of your
family when ettingtemp over 50℃.
 "
If no operation i performed within 3 minute , the water heater enter into a dormant tate.
Touch control panel i u ed for ea y operation of thi water heater. It di play electrical energy
con umption, et temperature, actual temperature, timer etc. The u er can elect the et temperature
within the range of 35°C - 75°C.
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•
•
 
Program i to et clock, and timer for heating. Two timer are available.
The heater may be hidden in the u pended ceiling to ave pace,and the wired remote control
can be in talled at a vi ible and convenient place.The wired remote control can be mounted
on the wall or imbedded in the wall.
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) 
Thi water heater ha three type of heating mode .
Selection can be made ba ed on the ea on and purpo e of hot
water, more convenient and energy- aving.
1. "STANDARD": Heat the full tank water at lower power mode.
2. "SINGLE": Provide half tank hot water rapidly to uffice ingle hower requirement.
3. "MULTIPLE": Provide full tank hot water rapidly to uffice multiple hower requirement.

When the water heater i in timer mode, pre the " in tant " key and the water heater enter the heating
tate immediately. The heating indicator glow , when the temperature pre et by u er i reached, the
water heater return to the tate before etting. Al o to exit from the in tant heating mode, pre the
"in tant" key again.

6
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•
Once the mounting, plumbing, power connection and water filling i done, then only
the power upply hould be given. The tep need to be followed a per the u er
guide.

Thi water heater i heavy , hence will require at lea t 2 per on to carry and in tall,
otherwi e it may cau e injury .

Di a embly and a embly by u er i prohibited.

Thi water heater hould be in talled at a location that i clo e to power ocket, floor drain and
water utili ation point. A the outlet of the relief valve might di charge water during the
operation of the water heater , therefore the floor drain hould be provided near the water
heater . In the in tallation area, it hould be en ured that the water leakage of the water heater
or pipeline joint hould not cau e damage to the article in adjacent region or lower layer of
the building. While in talling the water heater, plea e be ure for mounting the water inlet and
outlet pipe at the bottom of the water heater.
Vertical in tallation of the water heater i trictly prohibited.
 
$ Hot water over 50°C will cau e cald. In order to protect you and your family,
e pecially the afety of children, if you et the temperature exceeding 50°C, plea e
take care.
The in talling urface mu t be capable of upporting at lea t four time the weight of the water
heater when filled with water. If the water heater i not in talled on the bearing wall or i
mounted on hollow brick wall, corre ponding protective mea ure mu t be provided, for
example upporting rack, through-wall crew, mounting of back plate, etc.
Prior to confirming the po ition of bolt hole , retain at lea t 300 mm pace on the right ide of
the water heater , to open the ide cover for repair .
If the water heater i embedded into a gu et plate, the plate on the right ide hould be
moveable for convenience to di mantle the end cover for repair and maintenance.
The water heater hould not be located outdoor or in an area ubjected to freezing.
environment. If freezing occur , the container and water pipe will break, cau ing cald or
leakage.
$

Thi water heater hould be in talled with the fixing acce orie provided.

The water heater hould be hung until the acce orie are fixed firmly or el e the heater may
fall off and eriou injury accident might be cau ed.

For the Unit with maximum rated power 1200W, hence a ingle dedicated power upply circuit
i propo ed, the core area of electric upply wire hould not be le than 1.5 mm .
2

For the Unit with maximum rated power 3000W, hence a ingle dedicated power upply circuit
i propo ed, the core area of electric upply wire hould not be le than 2.5 mm .
2

7
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L
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Original in tallation acce orie hould be u ed on olid wall.
The heater may have ha ri k of fall in ca e of improper in tallation.


L(mm)
CEWHR-40PE6 260
380
380
CEWHR-50PE6
CEWHR-80PE6
380
CEWHR-100PE6 380
U e a drill bit with diameter of 12 mm to drill 2 hole at lea t 100 mm deep in the wall.The two hole
hould be aligned horizontally. The horizontal di tance between the 2 hole i hown in the below
table(Fig. 3).
The di tance A i 5~10mm(Fig. 4).The nylon expan ion tube hould be in erted into the drill hole . It
i nece ary to u e a teel pipe to fa tern the bolt into the nylon expan ion tube .The head of the crew
hould be vertical upward. Place the water heater on wall mounting crew .Downward on the heater
to en ure that the water heater i fixed teadily.
A
Right Wrong