Fire-Fighting Regulations For Installation And Use Of Heater; Installation Regulations; Most Frequent Function Failures And Their Causes; Product Accessories - Drazice OKH 100 NTR Operation And Installation Manual

12.

FIRE-FIGHTING REGULATIONS FOR INSTALLATION AND USE OF HEATER

We would like to emphasise that the heater must not be connected to power supply if work involving
flammable liquids (petrol, spot remover) or gases, etc., is performed nearby.
13.

INSTALLATION REGULATIONS

Regulations and instructions that must be obeyed if the heater is connected
a) to the heating system
ČSN 06 0310 – Thermal systems in buildings – Designing and Installation
ČSN 06 0830 – Thermal systems in buildings – Protecting devices
b) 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 2000-7-701 - Low voltage electric installations Single-purpose devices and devices in special premises
- Premises with tub or shower to hot service water heating system
c) 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.
ČSN EN 12897 – Water supply – Indirectly heated closed tank-type water heaters
Both electric and water installation must follow and meet requirements and regulations relevant in the country of use.
14.

MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES

Water is dripping off the safety valve – glow lamp is off – faulty safety valve, high water pressure at the inlet
Do not try to repair the failure yourselves. Seek either expert or service help. It does not take much for an expert to
remove the defect. When making a repair appointment, report the type and serial number you find on the performance
plate of your water heater.
15.

PRODUCT ACCESSORIES

G3/4" safety valve is packed with the product and the OKH 100, 125, 160 NTR and OKH 100, 125
NTR/ HV types are additionally equipped with a discharge valve.
It is in your own interest to check the completeness of the accessories.
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