Drazice OKC 300 NTR/HP Betriebs- und Installationshandbuch - Seite 2
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Read carefully the below instructions prior to the installation of the heater!
Dear Customer,
The Works Cooperative of Dražice - Machine Plant, Ltd., would like to thank you for your decision to use a product
of our brand.
The manufacturer reserves the right for engineering modification of the product.
The product is designed for permanent contact with drinkable water.
Guide Contents
1.
APPLICATION....................................................................................................................................... 2
2.
PRODUCT DESCRIPTION ................................................................................................................... 2
3.
IMPORTANT NOTICES ........................................................................................................................ 3
4.
PUTTING THE HEATER INTO OPERATION..................................................................................... 3
5.
TECHNICAL DATA AND DESCRIPTION OF THE HEATER ........................................................... 3
6.
CONNECTING A HEATER TO A HOT WATER DISTRIBUTION..................................................... 7
7.
SECURITY EQUIPMENT ..................................................................................................................... 7
8.
SPARE PARTS ....................................................................................................................................... 8
9.
HEATER CLEANING AND ANODE ROD EXCHANGE ................................................................... 8
10. INSTALLATION REGULATIONS ....................................................................................................... 8
11. CONNECTING A HEATER TO A HEATING SYSTEM ...................................................................... 9
Environment Type:
The product is recommended for use indoors with air temperature from +2 ° C to +45 °C and relative humidity up to
80%.
1.
APPLICATION
Indirect stationary heater OKC 300 (400, 500) NTR / HP is designed for water heating in conjunction with a
heat pump. Reheat can be carried out by the electric heater TJ 6 / 4".
2.
PRODUCT DESCRIPTION
The heater vessel is welded from a steel plate and as a whole is protected by enamel resistant to hot water.
Magnesium anode is added in the vessel as an additional protection against corrosion, which regulates the electric
potential of the inside of the vessel and thus reduces the effects of corrosion. Inside the vessel there is a welded heat
exchanger made of steel pipe with enamelled outer coating, and connections of hot and cold water, circulation and
thermostat tank. The pipe heat exchanger is only intended for the heating circuit.
On the side of the heater there is a cleaning and inspection aperture ending with a flange of 110 mm diameter, the
pitch of eight M8 bolts is 150 mm. The heater is equipped with a G 1 ½ " aperture for screwing an additional heater.
This option is used, if the heater is connected into the system with a heat pump, for water reheating at the top of the
heater to the desired temperature. The tank is insulated by 50 or 60 mm of polyurethane foam not containing CFCs
and the casing of the heater is made of plastic.
2