Rheem EV-30 Manuel utilisateur
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Instruction Manual for Electric Storage Water Heater
MODELS: -
EV-30
EV-50
EV-80
EV-100
Please Read This Manual Carefully Before Installation and Application
Rheem Manufacturing Co. Singapore Pte Ltd
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Content
Thank you for choosing a Rheem Electric Storage Water Heater.
Please read this manual carefully before installation and application. In particular,
please pay special attention to the Safety Instruction and Warnings. The installation
must be undertaken by an authorized person. Please leave this manual with the
owner upon completion of installation.
1. Features ------------------------------------------------------------------------------- 3
2. Safety -----------------------------------------------------------------------------------4
3. Technical Data and Dimensions -------------------------------------------------5
4. Installation and Connection -------------------------------------------------------6
5. Application-----------------------------------------------------------------------------9
6. Maintenance -------------------------------------------------------------------------10
7. Common Breakdowns and Remedies -----------------------------------------11
8. Service--------------------------------------------------------------------------------- 11
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Features
•Mains pressure storage water heater ensures stable hot water supply.
•Various tank capacities available –allow simultaneous multi point hot water
usage.
•The adjustable thermostat automatically controls the electricity supply to the
heating unit so constant temperature is maintained.
•Safety devices such as over temperature cut out and Temperature and
Pressure Relief (TP&R) vale are standard features.
•The temperature is preset at 65°C for reasons of safety and economy, but can
be field reset if necessary.
•The life span of the tank is greatly extended by our exclusive “Rheemglas”
vitreous enamel lining and sacrificial anode rod, ensuring years of trouble free
performance.
•Thick Polyurethane foam free of CFC enables the water heater to be more
energy efficient by retaining heat and thus reduce operating cost.
•Heater jacket is protected by colorbond –a thick gauge precoated steel having
exceptional strength and corrosion resistance.
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Safety
•The water heater must have provision for drainage in the event that the water
heater leaks or connection pipes break.
•The water heater uses 220-240V/50Hz AC x single phase.
•Power supply cable must be sized to safely carry maximum current draw.
•Ensure that the electrical connections are undertaken by a qualified
electrician complying to Local Code of Practice.
•Power must not be turned on until the water heater is filled with water. Open
all hot water taps/faucets to release trapped air until only water is discharged.
•Temperature over 50°C may cause scalding. Please mix cold water with hot
water to obtain the right bathing temperature.
•Please operate the T&PR valve manually at least once every 6 months to
remove lime deposits and verify that the drain pipe from the valve is not
blocked.
•Power must be turned off before any service and maintenance work is
undertaken by a qualified technician.
•For replacement of parts, please use original parts from manufacturer. Use
of non-approved parts will result in a void of warranty for the heater.
•Water may drip from the discharge pipe of the TPR valve during normal
expansion. The discharge pipe should be left open to the atmosphere
preferably 150 mm above the nearest floor trap. On no accounts must the
drain pipe be plugged.
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Technical Data and Dimensions
Model Number
EV30
EV50
EV80
EV100
Storage Capacity
L
30
50
80
100
Power Rating
W
~220V 1500W / ~240V 3000W
Rated Electric Current
A
6.8 / 12.5
Time Required for 50°C rise
min.
70/35
120/60
190/95
238/119
Diameter A
mm
Ø370
Ø458
Mounted with Brackets B
mm
425
513
Brackets Space C/D
mm
300/350
Height E
mm
495
552
811
975
Brackets
A
B
Vertical Wall
D
C
G
F
E
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Outlet F
mm
312
387
634
798
Inlet G
mm
162
170
170
170
Voltage Input
220-240V~/50Hz
Temp. Setting
°C
65
Water Pressure
MPa
0.02 ~ 0.6
PRV Setting
MPa
1.0
Pipe Sizes for Inlet and
Outlet
RP 3/4 20
Pipe Size for Safety Valve
RP 3/4 20
Shipping Weight
Kg
18
24
31
36
Installation and Connection
Choose where to install
▪The water heater must be installed indoor.
▪The wall must be strong enough to hold a heater using brackets and raw
plugs provided.
▪The heater is to be installed as near to the point of use as possible.
▪Ensure that sufficient space is available for servicing..
▪There must be a floor trap near installation point.
▪Water heater/electric plug/electric leakage protector should be protected
from splashing water.
Installation
▪Fasten bracket on the upper holes in the back of Water Heater with M10
bolts and washer.
▪Fasten plastic spacer on the lower holes in the back of Water Heater with
M10 screws and washer.
▪Locate the drilling position for expansion bolts on the wall, as shown in
diagram2. The four holes must be in the same horizontal line.
▪Drill holes on the wall, and then insert into the holes the M12x100
expansion bolts with nut. Hung up the heater on the wall and fasten the
Bracket with nut.
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Connection –Plumbing
▪Pipe Material
The pipes connecting to the inlet and outlet of the water heater must be
strong enough to withstand water pressure up to 1.40 MPa.
▪Pipe Size
¾ (20mm) copper pipes are to be used for cold water inlet and hot water
outlet.
▪Connection
Water connections are located at the side of
the heater. Heat must not be applied at these
connections as it can damage the internal dip
tubes.
▪Install a drain
The T&P Relief valve is supplied with the
heater. This is to protect the heater from
excessive pressure and temperature. It is
recommended that a routine preventative
maintenance is carrying out at least once in every 6 mouths.
Lift and release the lever handle on the temperature pressure relief valve
to make certain that the valve operates freely and allow several gallons of
Bra
cket
Plastic
block
Locations
of
Expansion
Bolt
Top of heater
Diagram 3
Diagram 2
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water to flush through the discharge line. Ensure the discharge water is
directed to an open drain.
If the main pressure is too low, the amount of hot water delivered to multiple
points will be unsatisfactory. Thus a booster pump is suggested to be fitted to
increase the pressure. A pressure-limiting valve is suggested to be fitted if the
main pressure exceeds the rated maximum pressure.
Diagram 4
Connection -- Electrical
DO NOT turn on the power supply to the water heater until the water heater
is filled with water and satisfactory megger reading is obtained.
▪Electrical connection must be undertaken by a qualified electrician.
▪The water heater shall be connected to single phase AC supply and its
rated power is 220-240V 50Hz. Refer to rating label for input in wattage.
Washer
Bathroom
Sink
Kitchen
Cold water in
Hot water out
T&PR valve
drain
Stopcock
Non-return valve
Union
Stopcock
Union
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Option A: This diagram is for Robertshaw “EWT”Thermostats
Option B: This diagram is for Robertshaw “ST”Thermostats
A
N
A
N
E
Red
Blue
Thermostat
Heating Unit
Earth Terminal
Brown
Blue
Thermostat
Heating Unit
Earth Terminal
UP(H)
157-XXXXXX-XXX
S
EVERHOT
220V /240V
2.5KW/3.0KW
60
50
70
80
ˇăC
T8 5
4
31
RES ISTIVE LO A D
24 0VAC 30 A
ECO :84
ST1201133
DAT E
52
DIFF:8
RESET
N2102
CS8756N
Ro b e r t s h a w
A
N
Terminal Block Assy.
Ce manuel convient aux modèles suivants
3
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