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TECHNOTHERM

7

For installations under difficult condi-

tions, these mounting accessories are 

available:

Mountik kit RDX

The instant water heater can be instal-

led by means of this mounting kit in 

the below situations. The power supply 

cable is coming out of the wall at any 

place from behind the unit, but the 

wall has unusual surface conditions, 

making it difficult for installing the 

water heater. The power supply cable is 

coming from elsewhere and has to be 

connected to the back of the unit.

Mounting accessories

Extension kit VDX

RDX is necessary!

The instant water heater can be instal-

led by means of this extension kit if the 

water pipes are coming displaced or 

exchanged out of the wall or if they are 

coming edge-wise on the wall to the 

unit. The power supply could come out 

of the wall at any place under the unit 

or the wiring could be installed 

 

surface-mounted.

Extension kit UDX 

 RDX is necessary!

The instant water heater can be instal-

led by means of this extension kit if the 

water-connections are expiring above 

the unit. The power supply could come 

out of the wall at any place under the 

unit or the wiring could be installed 

surface-mounted.

5. Installation

Summary of Contents for CDE 18-27 VarioSelect

Page 1: ... SHOULD BE READ CAREFULLY AND RETAINED FOR FUTURE REFERENCE BE SURE TO OBSERVE ALL LABELS AND WARNINGS ON THE APPLIANCE Article No 911 360 600 Edition 07 15 Installation and technical manual Instant water heater CDE 18 27 VarioSelect ...

Page 2: ...irect connection 10 7 Electrical connection 11 Wiring diagram 11 Structural prerequisites 11 Electrical connection from below 11 Electrical connection from above 12 8 Initial operation 13 9 Maintenance work 14 Cleaning and replacing the filter strainer 14 Cleaning and replacing the filter strainer if direct connected 14 10 Environment and recycling 15 11 Device description 15 12 Usage 16 13 Self h...

Page 3: ...1 Overview Specify when ordering spare parts device type and serial number ...

Page 4: ... excess of approx 43 C are perceived as hot especially by children and may cause a feeling of burning Please note that the fittings and taps may be very hot when the appliance has been in use for some time The appliance is only suitable for domestic use and similar applications inside closed rooms and must only be used to heat incoming water from the mains supply The appliance must never be expose...

Page 5: ...nce 15 C Spec electrical conductivity 1300 Ωcm 76 mS m Inlet temperature 0 30 C Flow rate to switch on max flow rate 4 2 5 8 0 l min Pressure loss 0 2 bar bei 2 5 l min 1 3 bar bei 9 0 l min 5 Temperature choice 35 C 38 C 42 C 48 C 55 C Water connection G Weight when filled with water 3 65 kg VDE class of protection I Type of protection safety IP25 The declaration complies with the requirements of...

Page 6: ...sible For maintenance work a shut off valve should be installed in the supply line The appliance must be accessible for maintenance work Plastic pipes may only be used if they conform to DIN 16893 Series 2 The hot water pipes must be thermally insulated The specific resistance of the water must be at least 1100 Ω cm at 15 C The specific resistance can be asked for with your water distribution comp...

Page 7: ...the unit Mounting accessories Extension kit VDX RDX is necessary The instant water heater can be instal led by means of this extension kit if the water pipes are coming displaced or exchanged out of the wall or if they are coming edge wise on the wall to the unit The power supply could come out of the wall at any place under the unit or the wiring could be installed surface mounted Extension kit U...

Page 8: ...screw in nipples into the wall connections The seals must be fully screwed into the thread After tigh tening the double nipples must protrude by at least 12 mm 2 Hold the included mounting template on the wall and align it so that the holes in the template fit over the connections Mark the drill holes accord ing to the template and drill them using a 6 mm drill Insert the included dowels 3 Screw i...

Page 9: ...ly cable may be con nected in the upper part Only in such case follow the instructions Electrical connection from above 3 Place the appliance on the heater bracket so that the threaded rod of the wall bracket fits in the provided hole of the appliance If necessary slight corrections are possible by carefully bending the threaded rod of the wall bracket However it must be possible to screw on the w...

Page 10: ... must then be screwed into the 3 8 union nut of the appliance and delivery pipe together with the 3 8 seals For direct connection it is advisable to mount the appliance at a distance as illus trated alongside using the spacer sleeves supplied It should therefore be noted that the two fixing holes near the lower pipe connections are also used The flared end of the pipes must be screwed into the sid...

Page 11: ...cified by the local electricity supply company The rating plate and technical speci fications The unit must be earthed Note If necessary the connecting terminal can be displaced to the upper part of the appliance If you want to do so please follow the instructions in the next chapter Check that the power supply is switched off prior to electrical connecti on 1 Dismantle approximately 6 cm off the ...

Page 12: ...ntle the cable roughly 6 cm above the point where it emerges from the wall Hold the prepared appliance so that you can route the cable into the grommet with the other hand 4 Place the appliance on the heater bracket so that the threaded rod of the wall bracket fits in the provided hole of the appliance 5 Unscrew the fastening screw of the connecting terminal Displace the connecting terminal to the...

Page 13: ...er rating depending on the local situation via the up and down arrow keys 18 kW 21 kW 24 kW or 27 kW 27 kW red 24 kW yellow 21 kW green 18 kW all three LEDs 4 Press key to confirm the setting The appliance starts operating 5 Mark the set power rating on the rating plate 6 After having set the maximum allowable power rating the heating element will be activated after approx 30 sec of continuous wat...

Page 14: ...he strainer may reduce the warm water output Clean or repla ce the strainer as follows 1 De energize the instantaneous water heater e g via deactivating the fuses and prevent inadvertent reactivation of them 2 Close the shut off valve in the mains water supply of the instantaneous water heater 3 To open the hood take off the small face plate loose the screw behind this cover and detach the hood 4 ...

Page 15: ...e valve without cold water The outlet temperature may then be increased by reducing the amount of hot water at the faucet 11 Device description 35 C 38 C 42 C 48 C 55 C electronic Your product was manufactured from high quality reusable materials and com ponents Please respect in case of discarding that electrical devices should be disposed of separately from household waste at the end of their se...

Page 16: ...e temperature value is between the illuminating LEDs set After 55 C when a new key is pressed the set temperature is again 35 C Of course it is also possible to determine the outlet temperature by mixing at the valve of cold water with hot water 55 C from the water heater electronic 35 C 38 C 42 C 48 C 55 C electronic electronic 35 C 38 C 42 C 48 C 55 C electronic electronic 35 C 38 C 42 C 48 C 55...

Page 17: ...er work on the plumbing system if there is a risk of frost or following repair work the appliance must be revented before it is used again 1 Disconnect the instantaneous water heater from the mains e g via deactivating the fuses 2 Unscrew the jet regulator on the outlet fitting and open the cold water tap valve to rinse out the water pipe and avoid contaminating the appliance or the jet regulator ...

Page 18: ...l Control the set power 1 Check power selector plug 2 Carry out a reset note blink code Selected temperature is perceived as too cold Set temperature too low Increase set temperature by keypress Selected temperature is perceived as too hot Set temperature too high Decrease set temperature by keypress Lucht LHZ Elektroheizung GmbH Obere Hauptstr 61 09232 Hartmannsdorf Germany Telefon 49 0 3722 6337...

Page 19: ...d to any rights and or remedies under this guarantee if the device has been repaired or attempted to be repaired without written authorisation from us or if a part or parts not supplied by us have been used in a repair Any claims for compensation of damages beyond the scope of this guarantee are excluded The period of guarantee shall not be renewed or extended by repair or substitute radiator The ...

Page 20: ...VarioSelectCDE 18 27 TECHNOTHERM 20 Lucht LHZ Elektroheizung GmbH Obere Hauptstr 61 09232 Hartmannsdorf Germany Telefon 49 0 3722 63370 Telefax 49 0 3722 633720 E Mail info technotherm de ...

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