OPERATION AND INSTALLATION
OPERACIÓN E INSTALACIÓN
UTILISATION ET INSTALLATION
ELECTRONICALLY CONTROLLED INSTANTANEOUS WATER HEATER | CALENTADOR INSTANTÁNEO CON CONTROLADO ELECTRÓNICA | CHAUFFE-EAU INSTANTANÉ À GESTION ÉLECTRONIQUE
» DHC-E 8/10 » DHC-E 12
The DHC-E series is tested and certified by WQA against NSF/ ANSI 372 for lead free compliance.
STIEBEL ELTRON, Inc.
17 West Street | West Hatfield, MA 01088 Tel. 413-247-3380 | Fax 413-247-3369 Email info@stiebel-eltron-usa.com www.stiebel-eltron-usa.com
CONTENTS | OPERATION
OPERATION |
OPERATION |
1. General information _________________________________________2 |
1.1Safety information_______________________________________________ 2
1.2Other symbols in this document ______________________________ 3
2.Safety__________________________________________________________3
2.1Intended use ______________________________________________________ 3
2.2General Information_____________________________________________ 3
2.3Safety Precautions_______________________________________________ 3
2.4Test symbols ______________________________________________________ 3
3.General ________________________________________________________4
4.Troubleshooting ______________________________________________4
1.General information
Note
Read these instructions carefully before using the appliance and familiarize yourself with its functions. Keep these instructions safe. Pass on the instructions to a new user if required.
INSTALLATION
5.Mounting the appliance _____________________________________5
5.1Application ________________________________________________________ 5
5.2Mounting __________________________________________________________ 5
5.3Water connections _______________________________________________ 5
6.Electrical connection_________________________________________6
6.1DHC-E 8/10 - Appliance with output power options ______ 6
6.2Temperature setting/anti-scalding protection ____________ 7
7.Commissioning _______________________________________________7
7.1Appliance handover _____________________________________________ 7
8.Troubleshooting ______________________________________________7
8.1Display options LED diagnostic „traffic lights“_____________ 7
8.2Fault table _________________________________________________________ 7
9.Normal maintenance_________________________________________7
10.Technical Data ________________________________________________8
10.1Dimensioned drawing __________________________________________ 8
10.2Wiring diagram __________________________________________________ 8
10.3Maximum temperature increase above ambient water temperature ______________________________________________________ 9
10.4Data table ________________________________________________________ 10
11.Spare parts _________________________________________________ 10
WARRANTY | ENVIRONMENT AND RECYCLING
1.1Safety information
1.1.1 Structure of safety information
KEYWORD Type of risk
Here, possible consequences are listed that may result from not observing the safety information.
Steps to prevent the risk are listed.
1.1.2Symbols. type of risk
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1.1.3 Keywords
KEYWORD |
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Description |
DANGER |
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If this information is not observed, it will result in serious |
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injury or death. |
WARNING |
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If this information is not observed, it can result in serious |
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injury or death. |
CAUTION |
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If this information is not observed, it can lead to medium |
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or minor injury. |
2 | DHC-E |
WWW.STIEBEL-ELTRON-USA.COM |
OPERATION SAFETY
1.2Other symbols in this document
Note
Notes are bordered by horizontal lines above and below the text. General information is identified by the symbol shown on the left.
Read these notes carefully.
Symbol
Damage to the appliance and environment
!
Appliance disposal
This symbol indicates that you have to do something. The action you need to take is described step by step.
2.Safety
Observe the following safety information and regulations.
Operate the appliance only when fully installed and with all safety equipment fitted.
2.1Intended use
The appliance is intended for heating domestic hot water and can supply several draw-off points.
Any other use beyond that described shall be deemed inappropriate.
Observation of these instructions is also part of the correct use of this appliance.
2.2General Information
Read this entire manual. Failure to follow all the guides, instructions and rules could cause personal injury or property damage. Improper installation, adjustment, alteration, service and use of this appliance can result in serious injury.
This appliance must be installed by a licensed electrician and plumber. The installation must comply with all national, state and local plumbing and electric codes. Proper installation is the responsibility of the installer. Failure to comply with the installation and operating instructions or improper use voids the warranty.
Save these instructions for future reference. Installer should leave these instructions with the consumer.
If you have any questions regarding the installation, use or operation of this water heater, or if you need any additional installation manuals, please call our technical service line, see last side.
2.3Safety Precautions
DANGER Injury
! Please read and follow these instructions.
Failure to follow these instructions could result in serioius personal injury or death.
!Damage to the appliance and the environment
The appliance must be installed by a licensed electrician and plumber. The installation must comply with all national, state and local plumbing and electric codes.
Service of the appliance must be performed by qualified service TECHNICIANS.
DANGER Electrocution
Before proceeding with any installation, adjustment. alteration, or service of this appliance all circuit breakers and disconnect switches servicing the appliance must be turned off. Failure to do so could result in serious personal injury or death.
DANGER Electrocution
Never remove the appliance‘s cover unless the electricity servicing the appliance is turned off. Failure to do so could result in personal injury or death.
DANGER Electrocution
The appliance must be properly grounded. Failure to electrically ground the product could result in serious personal injury or death.
DANGER Burns
Water temperatures over 125 °F (52 °C)can cause severe burns instantly or death from scalding. A hot water scalding potential exists if the thermostat on the appliance is set too high. Households with small children, disabled or elderly persons may require that the thermostat be set at 113 °F (45 °C) or lower to prevent possible injury from hot water.
WARNING Injury
! Where children or persons with limited physical, sensory or mental capabilities are to be allowed to control this appliance, ensure that this will only happen under supervision or after appropriate instructions by a person responsible for their safety.
Children should be supervised to ensure that they never play with the appliance.
2.4 Test symbols
See type plate on the appliance.
ENGLISH
WWW.STIEBEL-ELTRON-USA.COM |
DHC-E | 3 |
OPERATION
GENERAL
3.General
The tankless water heater differs from conventional storage type water heaters in several ways. It does not store hot water. Instead, water is heated instantaneously as it flows through the appliance. Due to the absence of stand-by losses, the appliance offers greater energy efficiency than storage type water heaters.
26_02_02_1086
The input of heat into the water is electronically controlled. The appliance will deliver any water temperature between 86 °F (30 °C) and 140 °F (60 °C). Please set the desired temperature using the knob on the front cover.
Note
For reasons of appliance efficiency and durability (scaling), the optimum temperature setting lies between 86°F (30°C) and 120°F (50°C).
In case the “Power” light is flashing while the appliance operates, the water flow rate exceeds the heating capacity of the appliance. Reduce the hot water flow rate in order to let the appliance achieve the set point temperature. The maximum temperature is electronically limited to 140 °F (60 °C). In case you have questions regarding the way you plan to use the appliance, please call our technical service line, see last side.
4.Troubleshooting
Symptom |
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Possible Cause |
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Solution |
No hot water |
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not enough flow rate to |
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clean faucet aerator or shower |
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activate appliance |
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head |
Water not hot enough water flow too high |
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reduce water flow rate until |
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light on front cover stops |
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blinking |
If you cannot remedy the fault, notify the contractor who installed the appliance. To facilitate and speed up your enquiry, please provide the serial number from the type plate (000000-0000-000000).
4 | DHC-E |
WWW.STIEBEL-ELTRON-USA.COM |
INSTALLATION
MOUNTING THE APPLIANCE
INSTALLATION
5.Mounting the appliance
5.1Application
One appliance can be used for the following applications:
one or multiple hand washing sinks
one kitchen sink
cabins with flow restriction at shower head.
A combination of two appliance can be used for whole apartment and house applications. Please contact STIEBEL ELTRON for special installation instructions.
All areas with a ground water temperature likely to exceed 65 °F (18 °C) year round:
Whole apartment or house
CAUTION Electrocution
Unit must be installed in a vertical position with the water fittings pointing downward. In this position the unit is splashproof, so that no water can soak in.
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Hot valve (left) |
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Cold valve (right) |
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Sink |
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1/2“ main pipe |
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Water supply line for faucet installation |
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Shut-off valve |
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Electrical junction box |
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5.2Mounting
Install appliance as close as possible to the main hot water draw-off points.
Install appliance in a frost free area. If frost may occur, remove appliance before freezing temperatures set in.
Leave a minimum of 5“ of clearance on all sides for servicing.
ENGLISH
26_02_02_1083
Remove plastic cover.
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Screw the screws into the wall and hang the appliance. Screws and plastic wall anchors for mounting on masonry or wood are provided.
Secure the screws.
5.3Water connections
!Damage to the appliance and the environment
Excessive heat from soldering on copper pipes near the DHC may cause damage.
WWW.STIEBEL-ELTRON-USA.COM |
DHC-E | 5 |
INSTALLATION ELECTRICAL CONNECTION
All plumbing work must comply with national and applicable state and local plumbing codes.
Notice for Australia / New Zealand:
The installation shall comply with AS/NZS 3500.4.
A pressure reducing valve must be installed if the cold water supply pressure exceeds 150 PSI (10 bar).
Make certain that the cold water supply line has been flushed to remove any scale and dirt.
Install isolating valve in cold water line as shown in illustration “Mounting the appliance”. This allows the appliance to be isolated for maintenance purposes.
Cold water connection (inlet) is on the right side of the appliance, hot water connection (outlet) is on the left side of appliance.
Tankless water heaters such as the DHC-E are not required to be equipped with a Pressure and Temperature Relief Valve (P&T). If the local inspector will not pass the installation without a P&T, it should be installed on the hot water outlet side of appliance.
The appliance is designed for connection to copper tubing, PEX tubing or a braided stainless steel hose with a ½“ NPT female tapered thread. If soldering near the appliance is necessary, please direct the flame away from the plastic housing of the appliance in order to avoid damage.
When all plumbing work is completed, check for leaks and take corrective action before proceeding.
The appliance should be connected to a properly grounded dedicated branch circuit of proper voltage rating. In installations with several appliances, each appliance requires an independent circuit. Please refer to the technical data table for the correct wire and circuit breaker size.
26_02_02_1084
The wire must be fed through the rubber seal located between the hot and cold water connections. Then feed wires through strain relief clamp and tighten clamp down on wire. The „live“ wires must be connected to the slots on the terminal block marked L and L (L and N). The ground wire must be connected to slot marked with the ground symbol. Strain relief clamp with screws and rubber seal are provided.
6.1DHC-E 8/10 - Appliance with output power options
For the DHC-E 8/10 instantaneous water heater, the output power is adjustable in 2 stages. In its delivered condition the appliance is set to 7.2 kW @ 240 V.
6.Electrical connection
DANGER Electrocution
Carry out all electrical connection and installation work in accordance with relevant regulations.
DANGER Electrocution
Only use a permanent connection to the power supply. The appliance must be able to be separated from the power supply by an isolator that disconnects all poles with at least 3 mm contact separation.
Damage to the appliance and the environment
!Observe the type plate. The specified voltage must match the mains voltage.
DANGER Electrocution
Before beginning any work on the electric installation, be sure that main breaker panel switch is „off“ to avoid any danger of electric shock. All mounting and plumbing must be completed before proceeding with electrical hook-up. Where required by local, state or national electrical codes the circuit should be equipped with a „ground fault interrupter“.
DANGER Electrocution
As with any electric appliance. failure to electrically ground appliance may result in serious injury or death.
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1 coding plug
If the appliance should be installed with a different output power, take the following steps:
Insert the coding plug to the desired performance.
Stage 1 |
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208 V |
220 V |
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230 V |
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240 V |
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5,4 kW |
6,0 kW |
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6,6 kW |
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7,2 kW |
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Stage 2 |
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208 V |
220 V |
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230 V |
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240 V |
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7,2 kW |
8,1 kW |
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8,8 kW |
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9,6 kW |
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Mark the selected output power and voltage on the type plate with a permanent marker.
6 | DHC-E |
WWW.STIEBEL-ELTRON-USA.COM |
INSTALLATION COMMISSIONING
6.2Temperature setting/anti-scalding protection
26_02_02_1089
Connect the lead of the electronic temperature control to position „A1“ in order to get the maximum outlet temperature of 140 °F (60 °C).
The maximum temperature can be limited to 109 °F (43 °C):
Connect the lead of the electronic temperature control to position „A2“.
Reinstall the plastic cover.
7.Commissioning
DANGER Electrocution
Commissioning must only be carried out by an authorised contractor in accordance with safety regulations.
!Damage to the appliance and the environment
Open hot water faucet for a few minutes until water flow is continuous and all air is purged from water pipes. The appliance’s plastic cover must be installed before the circuit breaker is turned on.
Turn on circuit breaker to bring electrical power to the appliance.
Turn the temperature selector clockwise and anti-clockwise, to calibrate the temperatur selector.
Adjust the water temperature to the desired level using the knob on the front cover of the appliance.
Turn on hot water and wait twenty seconds until temperature has stabilized.
Check the water temperature with your hand and make sure that it does not feel too hot. Reduce temperature if this is necessary. A setting of 108 °F - 116 °F (42 - 47 °C) is recommended for most applications.
Explain to the user how the appliance works and familiarise him or her with its use.
Advise the user about possible hazards (hot water temperature up to 140 °F (60 °C). Hand over these instructions, to be kept for future reference.
A setting of 108 °F - 116 °F (42 - 47 °C) is recommended for most applications.
7.1Appliance handover
lation instructions to the user. |
ENGLISH |
Explain the functions of the appliance to the user. Draw special |
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8.Troubleshooting
Danger of electrocution
To test the appliance, it must be supplied with power.
8.1Display options LED diagnostic „traffic lights“
Display options
red |
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illuminates in case of faults |
yellow |
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illuminates when the appliance is heating water |
green |
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flashing: The appliance is supplied with power |
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26 02 02 1088 |
1 LED diagnostic „traffic lights“
8.2Fault table
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Solution |
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No hot water |
circuit breaker off |
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turn circuit breaker on |
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safety thermal cut-out |
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reset thermal cut-out |
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tripped |
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not enough flow rate to |
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clean filter screen at appli- |
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activate appliance |
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clean faucet aerator or |
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shower head |
Not enough hot water |
filter screen clogged |
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clean filter screen at appli- |
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Water not hot enough |
water flow too high |
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reduce water flow rate until |
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light on front cover stops |
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blinking |
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supply correct voltage to |
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appliance |
If you are not able to resolve a problem please contact us, see last side, before removing the appliance from the wall. STIEBEL ELTRON is happy to provide technical assistance. In most instances, we can resolve the problem over the phone.
9.Normal maintenance
STIEBEL ELTRON tankless water heaters are designed for a very long service life. Actual life expectancy will vary with water quality and use. The appliance itself does not require any regular maintenance.
WWW.STIEBEL-ELTRON-USA.COM |
DHC-E | 7 |
INSTALLATION TECHNICAL DATA
However, to ensure consistent water flow, it is recommended to periodically remove scale and dirt that may build up at the aerator of the faucet(s), the filter screen in the appliance, or in the shower head.
10. Technical Data
10.1 Dimensioned drawing
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b01 |
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360 (14.17") |
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273 (10.75") |
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75 (2.953") |
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8 (0.315") |
c06 |
c01 |
38 (1.5") |
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100 (3.94") |
110 (4.33") |
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200 (7.88") |
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b01 |
Electrical cable entry |
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c01 |
cold water inlet |
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c06 |
hot water outlet |
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10.2 Wiring diagram
DHC-E 8/10
2/GRD ~ 208 / 240 V
1/N/PE ~ 220 / 230 / 240 V
85_02_03_0001
DHC-E 12
2/GRD ~ 208 / 240 V
1/N/PE ~ 220 / 230 / 240 V
85_02_03_0002
8 | DHC-E |
WWW.STIEBEL-ELTRON-USA.COM |
INSTALLATION TECHNICAL DATA
10.3 Maximum temperature increase above ambient water temperature
Warm water flow rate [ GPM ]
Warm water outlet temperature 104 °F
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104 |
113 |
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DHC-E 8/10 |
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5.4 kW @ 208 V |
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0.57 |
0.68 |
0.82 |
1.02 |
1.36 |
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2.04 |
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4.09 |
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7.2 kW @ 240 V |
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0.76 |
0.91 |
1.09 |
1.36 |
1.82 |
2.72 |
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5.45 |
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7.2 kW @ 208 V |
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0.91 |
1.09 |
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1.82 |
2.72 |
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9.6 kW @ 240 V |
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1.01 |
1.21 |
1.45 |
1.82 |
2.42 |
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3.63 |
6.61 |
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DHC-E 12 |
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9 kW @ 208 V |
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0.95 |
1.14 |
1.36 |
1.70 |
2.27 |
3.23 |
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6.47 |
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12 kW @ 240 V |
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1.26 |
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1.51 |
1.82 |
2.27 |
3.03 |
4.31 |
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6.61 |
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Warm water outlet temperature 113 °F |
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DHC-E 8/10 |
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5.4 kW @ 208 V |
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0.50 |
0.58 |
0.68 |
0.82 |
1.02 |
1.36 |
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2.04 |
4.09 |
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7.2 kW @ 240 V |
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0.66 |
0.78 |
0.91 |
1.09 |
1.36 |
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1.82 |
2.72 |
5.45 |
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7.2 kW @ 208 V |
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0.66 |
0.78 |
0.91 |
1.09 |
1.36 |
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1.82 |
2.72 |
5.45 |
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9.6 kW @ 240 V |
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0.89 |
1.04 |
1.21 |
1.45 |
1.82 |
2.42 |
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3.63 |
6.61 |
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DHC-E 12 |
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9 kW @ 208 V |
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0.83 |
0.97 |
1.14 |
1.36 |
1.70 |
2.16 |
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3.23 |
6.47 |
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12 kW @ 240 V |
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1.11 |
1.30 |
1.51 |
1.82 |
2.27 |
2.88 |
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4.31 |
6.61 |
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Warm water outlet temperature 140 °F |
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DHC-E 8/10 |
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5.4 kW @ 208 V |
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0.36 |
0.41 |
0.45 |
0.51 |
0.58 |
0.68 |
0.82 |
1.02 |
1.36 |
2.04 |
4.09 |
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7.2 kW @ 240 V |
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0.49 |
0.54 |
0.61 |
0.68 |
0.78 |
0.91 |
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1.09 |
1.36 |
1.82 |
2.72 |
5.45 |
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7.2 kW @ 208 V |
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0.49 |
0.54 |
0.61 |
0.68 |
0.78 |
0.91 |
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1.09 |
1.36 |
1.82 |
2.72 |
5.45 |
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9.6 kW @ 240 V |
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0.65 |
0.73 |
0.81 |
0.91 |
1.04 |
1.21 |
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1.45 |
1.82 |
2.42 |
3.63 |
6.61 |
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DHC-E 12 |
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9 kW @ 208 V |
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0.61 |
0.68 |
0.76 |
0.85 |
0.97 |
1.08 |
1.29 |
1.62 |
2.16 |
3.23 |
6.47 |
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12 kW @ 240 V |
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0.81 |
0.91 |
1.01 |
1.14 |
1.30 |
1.44 |
1.73 |
2.16 |
2.88 |
4.31 |
6.61 |
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ENGLISH
Warm water flow rate [ l/min ]
Warm water outlet temperature 40 °C
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Cold water inlet temperature |
|
°C |
|
4 |
10 |
15 |
20 |
25 |
30 |
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35 |
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40 |
|
45 |
50 |
|
55 |
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DHC-E 8/10 |
|
5.4 kW @ 208 V |
|
2.15 |
2.58 |
3.09 |
3.87 |
5.16 |
7.73 |
|
15.47 |
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- |
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- |
- |
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- |
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7.2 kW @ 240 V |
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2.86 |
3.44 |
4.12 |
5.16 |
6.87 |
10.31 |
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20.62 |
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- |
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- |
- |
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- |
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7.2 kW @ 208 V |
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2.86 |
3.44 |
4.12 |
5.16 |
6.87 |
10.31 |
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20.62 |
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- |
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- |
- |
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- |
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9.6 kW @ 240 V |
|
3.82 |
4.58 |
5.50 |
6.87 |
9.16 |
13.75 |
|
25.00 |
- |
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- |
- |
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- |
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DHC-E 12 |
|
9 kW @ 208 V |
|
3.58 |
4.30 |
5.16 |
6.44 |
8.59 |
12.24 |
24.49 |
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- |
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- |
- |
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- |
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12 kW @ 240 V |
|
4.77 |
5.73 |
6.87 |
8.59 |
11.46 |
16.32 |
|
25.00 |
- |
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- |
- |
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- |
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Warm water outlet temperature 45 °C |
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Cold water inlet temperature |
|
°C |
|
4 |
10 |
1 |
20 |
25 |
30 |
|
35 |
|
40 |
|
45 |
50 |
|
55 |
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DHC-E 8/10 |
|
5.4 kW @ 208 V |
|
1.89 |
2.21 |
2.58 |
3.09 |
3.87 |
5.16 |
7.73 |
|
15.47 |
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- |
- |
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- |
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7.2 kW @ 240 V |
|
2.51 |
2.95 |
3.44 |
4.12 |
5.16 |
6.87 |
10.31 |
|
20.62 |
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- |
- |
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- |
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7.2 kW @ 208 V |
|
2.51 |
2.95 |
3.44 |
4.12 |
5.16 |
6.87 |
10.31 |
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20.62 |
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- |
- |
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- |
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9.6 kW @ 240 V |
|
3.35 |
3.93 |
4.58 |
5.50 |
6.87 |
9.16 |
13.75 |
|
25.00 |
- |
- |
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- |
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DHC-E 12 |
|
9 kW @ 208 V |
|
3.14 |
3.68 |
4.30 |
5.16 |
6.44 |
8.16 |
12.24 |
24.49 |
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- |
- |
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- |
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12 kW @ 240 V |
|
4.19 |
4.91 |
5.73 |
6.87 |
8.59 |
10.88 |
16.32 |
|
25.00 |
- |
- |
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- |
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Warm water outlet temperature 60 °C |
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Cold water inlet temperature |
|
°C |
|
4 |
10 |
15 |
20 |
25 |
30 |
|
35 |
|
40 |
|
45 |
50 |
|
55 |
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DHC-E 8/10 |
|
5.4 kW @ 208 V |
|
1.38 |
1.55 |
1.72 |
1.93 |
2.21 |
2.58 |
3.09 |
3.87 |
|
5.16 |
7.73 |
|
15.47 |
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7.2 kW @ 240 V |
|
1.84 |
2.06 |
2.29 |
2.58 |
2.95 |
3.44 |
4.12 |
|
5.16 |
|
6.87 |
10.31 |
|
20.62 |
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7.2 kW @ 208 V |
|
1.84 |
2.06 |
2.29 |
2.58 |
2.95 |
3.44 |
4.12 |
|
5.16 |
|
6.87 |
10.31 |
|
20.62 |
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9.6 kW @ 240 V |
|
2.45 |
2.75 |
3.05 |
3.44 |
3.93 |
4.58 |
|
5.50 |
6.87 |
|
9.16 |
13.75 |
|
25.00 |
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DHC-E 12 |
|
9 kW @ 208 V |
|
2.30 |
2.58 |
2.86 |
3.22 |
3.68 |
4.08 |
|
4.90 |
|
6.12 |
|
8.16 |
12.24 |
24.49 |
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12 kW @ 240 V |
|
3.07 |
|
3.44 |
3.82 |
4.30 |
4.91 |
5.44 |
6.53 |
|
8.16 |
|
10.88 |
16.32 |
|
25.00 |
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WWW.STIEBEL-ELTRON-USA.COM |
DHC-E | 9 |
INSTALLATION
SPARE PARTS
10.4 Data table
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DHC-E 8/10 |
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DHC-E 12 |
|||||
Part number |
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224201 |
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230628 |
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Phase |
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1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
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Voltage |
|
V |
208 |
220 |
230 |
240 |
208 |
220 |
230 |
240 |
208 |
220 |
230 |
240 |
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Frequency |
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Hz |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
50 / 60 |
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Coding plug |
|
Position |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
- |
- |
- |
- |
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Output power |
|
kW |
5.4 |
6.0 |
6.6 |
7.2 |
7.2 |
8.1 |
8.8 |
9.6 |
9 |
10 |
11 |
12 |
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Ampere |
|
A |
28 |
30 |
31 |
32 |
35 |
37 |
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39 |
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40 |
44 |
46 |
48 |
50 |
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Min. required circuit breaker size |
|
A |
30 |
40 |
40 |
40 |
50 |
50 |
50 |
50 |
60 |
60 |
60 |
60 |
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Recommended wire size |
|
AWG COPPER |
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10 |
- |
- |
8 |
8 |
- |
- |
8 |
6 |
- |
- |
6 |
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Recommended wire size |
|
mm² COPPER |
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- |
6 |
6 |
- |
- |
10 |
10 |
- |
- |
10 |
10 |
- |
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Protection level according to |
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IP 24 |
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IP 24 |
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Min. water flow to activate appliance |
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GPM / l/min |
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0.37 / 1.4 |
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0.37 / 1.4 |
|||||
Nominal water volume |
|
GAL / l |
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0.13 / 0.5 |
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0.13 / 0.5 |
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Working pressure max. |
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PSI / bar / MPa |
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150 / 10 / 1 |
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150 / 10 / 1 |
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Tested to pressure |
|
PSI / bar / MPa |
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300 / 20 / 2 |
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300 / 20 / 2 |
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Weight |
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lbs. / kg |
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5.9 / 2.7 |
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5.9 / 2.7 |
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Water connections |
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“ NPT |
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1/2 |
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1/2 |
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Suitable for supply with up to 131 °F / 55 °C
Tankless water heaters are considered a non-continuous load
Conductors should be sized to maintain a voltage drop of less than 3 % under load
11. Spare parts |
No. No. Spare part |
DHC-E 8/10 |
DHC-E 12 |
|
1 Heating system |
292575 |
292576 |
2 |
3 |
4 |
5 |
1 
15
|
13 |
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12 |
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11 |
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6 |
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10 |
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14 |
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9 |
8 |
7 |
2 |
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Safety thermal cut out |
|
286369 |
|
286369 |
3 |
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Electronic control appliance |
|
291851 |
|
291852 |
4 |
|
Coding plug |
|
283455 |
|
--- |
5 |
|
Back panel |
|
292578 |
|
292578 |
6 |
|
Flow sensor DFE |
|
286461 |
|
286461 |
7 |
|
Cold water connection |
|
291699 |
|
291699 |
8 |
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Filter screen |
|
252430 |
|
252430 |
9 |
|
Hot water connection |
|
278634 |
|
278634 |
10 |
|
Plastic cover |
|
292577 |
|
292577 |
11 |
|
Wiring block |
|
279998 |
|
279998 |
12 |
|
Axis connection plug |
|
254312 |
|
254312 |
13 |
|
Electronic temperature control |
|
286359 |
|
286359 |
14 |
|
Temperature adjustment knob |
|
254307 |
|
254307 |
15 |
|
Outlet temperature sensor |
|
280677 |
|
280677 |
26_02_02_1091
10 | DHC-E |
WWW.STIEBEL-ELTRON-USA.COM |
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