Certificate of Conformity

Issued by Strojírenský zkušební ústav, s.p. (Engineering Test Institute, Public Enterprise)

Hudcova 424/56b, 621 00 Brno, Czech Republic

Certificate Details

Certificate Number: LVD-B-00734-21

Conformity Basis: Government Regulation 118/2016 Coll. and Directive 2014/35/EU (Low voltage)

Certificate Valid Until: 2023-03-31

Strojírenský zkušební ústav, s.p. confirms that the above-mentioned products are in conformity with the essential technical requirements set forth in Annex 1 and that the technical documentation conforms to Annex 3 of Government Regulation 118/2016 Coll. (corresponding to Annex I and Annex III of Directive 2014/35/EU of the European Parliament and of the Council). The results of the technical documentation review, the data necessary for identification of the above-mentioned products and the conclusions drawn from testing are contained in the Final Report. The rules for using the Certificate are specified on Page 15.

Product Certification Scheme Applied: ČSN EN ISO/IEC 17067:2014, Scheme 1a.

This Certificate repeals on the day of issuance Certificate LVD-B-01514-19 of 2019-05-22.

Date Issued: Brno, 2021-03-31

Owner of Certificate

Družstevní závody Dražice - strojírna s r.o.

Dražice 69, 294 71 Benátky nad Jizerou

Czech Republic

Manufacturer

Družstevní závody Dražice - strojírna s r.o.

Dražice 69, 294 71 Benátky nad Jizerou

Czech Republic

Products

Storage water heaters, Hot-water storage tanks, Electric instantaneous water heaters, Storage tanks, System units

Product Specifications (Examples)

Water heaters - OKC type series:

Product	Example of Designation
Combined storage water heaters: suspended, vertical, Area of exchanger 0.41 m²	OKC 80
Combined storage water heaters: suspended, vertical, Area of exchanger 0.68 m²	OKC 100, 125, 160, 200, 220
Electric storage water heaters: suspended, vertical	OKCE 50, 80, 100, 125, 160, 200, 220
Electric storage water heaters: S-stationary	OKCE 100, 125, 160, 200, 250 S/2.2 kW
Combined storage water heaters: horizontal	OKCV 100, 125, 160, 200, 220
Electric storage water heaters: horizontal	OKCEV 100, 125, 160, 200, 220
Electric storage water heaters: suspended, vertical	TO 20, 30
Hot-water storage tanks: suspended, vertical, Area of exchanger 1.08 m²	OKC 100, 125, 160, 200, 220/1 m²
Hot-water storage tanks: horizontal	OKCV 100, 125, 160, 200, 220 NTR
Hot-water storage tanks: stationary	OKC 30, 40, 50, 60, 80, 100, 125, 160, 200, 250 NTR
Hot-water storage tanks: stationary	OKC 200, 250 NTRR
Hot-water storage tanks: stationary	OKC 30, 40, 50, 60, 80, 100, 125, 160, 200, 250, 300, 350, 400, 450, 500, 750, 1000 NTR/BP
Hot-water storage tanks: stationary	OKC 200, 250, 300, 350, 400, 450, 500, 750, 1000 NTRR/BP

Water heaters - OKH type series:

Product	Example of Designation
Combined storage water heaters: suspended, vertical, Area of exchanger 0.41 m²	OKH 80
Combined storage water heaters: suspended, vertical, Area of exchanger 0.68 m²	OKH 100, 125, 160, 200, 220
Electric storage water heaters: suspended, vertical	OKHE 50, 80, 100, 125, 160, 200, 220
Electric storage water heaters: S-stationary	OKHE 80, 100, 125, 160, 200, 250 S/2.2 kW
Combined storage water heaters: horizontal	OKHV 100, 125, 160, 200, 220
Electric storage water heaters: horizontal	OKHEV 100, 125, 160, 200, 220
Hot-water storage tanks: suspended, vertical, Area of exchanger 1.08 m²	OKH 100, 125, 160, 200, 220/1 m²
Hot-water storage tanks: stationary	OKH 80, 100, 125, 160, 200, 250 NTR/HV
Hot-water storage tanks: horizontal	OKHV 100, 125, 160, 200, 220 NTR
Hot-water storage tanks: stationary	OKH 30, 40, 50, 60, 80, 100, 125, 160, 200, 250 NTR
Hot-water storage tanks: stationary	OKH 200, 250 NTRR
Hot-water storage tanks: stationary	OKH 100, 125, 160, 200, 250 NTR/BP
Hot-water storage tanks: stationary	OKH 200, 250 NTRR/BP

Accessories:

Product	Example of Designation
TPK - Heating flange with ceramic elements	Various TPK models listed with power ratings (e.g., 150-8/1.5 kW, 210-12/12 kW)
TJ - Screw heating unit	Various TJ models listed with thread size and power ratings (e.g., 6/4"-2 kW, 6/4" E-9 kW)

System Units:

Product	Capacity (L)	Example of Designation
HUBERT monoblock		HUBERT monoblock
HUBERT split	6, 8-12, 16	HUBERT 8-12 split
HUBERT monoblock +		HUBERT monoblock +
HUBERT split +	6, 8-12, 16	HUBERT 8-12 split +

HM - hydraulic module, T - hot water, M - monoblock, S - split, * - capacity not specified

Applicable Standards:

ČSN EN 60335-1 ed. 3:2012
ČSN EN 60335-2-21 ed. 2:2004
ČSN EN 60335-2-35 ed. 3:2016
ČSN EN 62233:2008

Final Report Reference:

Final Report No. 30-15414/1/EZ dated 2021-03-31

Contact Information:

Strojírenský zkušební ústav, s.p.

Engineering Test Institute, public enterprise