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ウォーターヒーター Dražice OKC 100 NTRのPDF 操作および設置マニュアルをオンラインで閲覧またはダウンロードできます。Dražice OKC 100 NTR 12 ページ。 Tank-type water heaters for vertical mounting
Dražice OKC 100 NTR にも：操作および設置マニュアル (17 ページ), 操作および設置マニュアル (20 ページ), 操作および設置マニュアル (20 ページ), 操作および設置マニュアル (18 ページ), 操作および設置マニュアル (20 ページ), 操作および設置マニュアル (18 ページ)

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.

ČSN 75 5455 - Calculation of water installations inside buildings

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.

15.

MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES

Water is cold

Water is not warm enough

Temperature of water is not

corresponding

Water is constantly dripping of

the safety valve

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.

16.

The product is supplied with a safety valve, 2 – 4 fastening screws M 12x30, 2-4 washers  13

(OKCE version has them mounted in the hinges on the heater) and a thermometer. The above parts are

packed and placed in the packaging in the top part of the heater.

It is in your own interest to check the completeness of the accessories.

Technical requirements. Testing.

LED is on

LED is not on

LED is on

LED is not on

The temperature set on the thermostat is too low

Heating element failure

No supply voltage; thermostat failure;

Safety thermostat shut off probably due to failed

operation thermostat

failure of one of the coils in the element

(contains 2)

Defective thermostat

Input pressure too high; faulty safety valve