7
accumulate inside the heater depending on the quality, amount and temperature of the water consumed, will be removed
as needed. During the inspection of the heating element, the service technician will advise of the date of the next
inspection, taking into consideration the found condition of the appliance.
WARNING: Prior to any intervention in the inside of the heating element, the appliance has to be disconnected
from power supply!
Do not attempt to repair the heater by yourselves, call the nearest authorised service centre to do so.
14. INSTALLATION REGULATIONS
Regulations and instructions that must be obeyed connect the heater
a)
to the electrical network
ČSN 33 2180 - Connecting of electric devices and appliances
ČSN 33 2000-4-41 - Low voltage electric installations Protective measures to ensure safety – Protection against
electric shock
ČSN 33 2000-5-51 - Electric installations of buildings
ČSN 33 2000-7-701 - Low voltage electric installations Single-purpose devices and devices in special premises -
Premises with tub or shower
b)
to the hot water heating system
ČSN 06 0320 - Thermal systems in buildings - Hot water preparation – Design and Project Engineering
ČSN 06 0830 – Thermal systems in buildings – Protecting devices
ČSN 73 6660 – Internal water conduits
ČSN 07 7401 - Water and steam for thermal energy equipments with working steam pressure up to 8 MPa
ČSN 06 1010 - Tank water heaters with water and steam heating; and combined with electric heating Technical
requirements. Testing.
Both electric and water installation must follow and meet requirements and regulations relevant in the
country of use.
Fig. 1
Heater dimensions
The “above-supply-point” version
The “below-supply-point” version
A
B
C
D
E
TO 5 UP
400
280
-
260
265
TO 5 IN
400
-
155
260
265
TO 10 UP
500
398
-
350
265
TO 10 IN
500
-
122
350
265
TO 15 UP
500
398
-
350
310
TO 15 IN
500
-
122
350
310
