Drazice OKC 160 NTR/HV Specification sheet

OPERATING AND
INSTALLATION MANUAL
STATIONARY HOT WATER TANKS
OKC 160 NTR/BP OKC 300 NTR/BP OKC 750 NTR/BP
OKC 200 NTR/BP OKC 300 NTRR/BP OKC 750 NTRR/BP
OKC 250 NTR/BP OKC 400 NTR/BP OKC 1000 NTR/BP
OKC 200 NTRR/BP OKC 400 NTRR/BP OKC 1000 NTRR/BP
OKC 250 NTRR/BP OKC 500 NTR/BP
OKC 500 NTRR/BP
Družstevní závody Dražice - strojírna s.r.o.
Dražice 69, 294 71 Benátky nad Jizerou
Phone.: [phone]
Fax: +420 / 326 370 980
e-mail: [e-mail]

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CONTENTS
1PRODUCT TECHNICAL SPECIFICATION....................................................................................................... 4
1.1 FUNCTION DESCRIPTION ................................................................................................................... 4
1.2 OPERATING AND INSTALLATION MANUAL FOR TYPES:OKC 160 NTR/BP, OKC 200 NTR/BP, OKC
250 NTR/BP, OKC 200 NTRR / BP, OKC 250 NTRR / BP................................................................................ 4
1.2.1 PRODUCT DESCRIPTION............................................................................................................. 4
1.2.2 CONSTRUCTION AND BASIC DIMENSIONS OF TANK.................................................................5
1.2.3 TECHNICAL PARAMETERS.......................................................................................................... 7
1.3 OPERATING AND INSTALLATION MANUAL FOR TYPES: OKC 300 NTR / BP, OKC 400 NTR / BP, OKC
500 NTR / BP, OKC 300 NTRR / BP, OKC 400 NTRR / BP, OKC 500 NTRR / BP ............................................ 8
1.3.1 PRODUCT DESCRIPTION............................................................................................................. 8
1.3.2 DESIGN AND BASIC DIMENSIONS OF TANK............................................................................... 9
1.3.3 TECHNICAL PARAMETERS........................................................................................................ 11
1.4 OPERATING AND INSTALLATION MANUAL FOR TYPES: OKC 750 NTR / BP, OKC 1000 NTR / BP, OKC
750 NTRR / BP, OKC 1000 NTRR / BP ......................................................................................................... 12
1.4.1 PRODUCT DESCRIPTION........................................................................................................... 12
1.4.2 DESIGN AND BASIC DIMENSIONS OF TANK............................................................................. 13
1.4.3 TECHNICAL PARAMETERS........................................................................................................ 15
2OPERATION AND FITTING INSTRUCTIONS............................................................................................... 16
2.1 OPERATING CONDITIONS ................................................................................................................ 16
2.2 ELECTRICAL INSTALLATION.............................................................................................................. 16
2.2.1 TECHNICAL PARAMETERS OF ELECTRIC HEATING UNITS ........................................................ 17
2.2.2 HEATING UNIT - FLANGES........................................................................................................ 18
2.3 PLUMBING FIXTURE......................................................................................................................... 22
2.4 PRESSURE LOSSES............................................................................................................................ 23
2.5 EXAMPLES OF TANKS CONNECTION................................................................................................ 24
2.6 FIRST COMMISSIONING................................................................................................................... 28
2.7 TANK CLEANING AND ANODE ROD EXCHANGE .............................................................................. 28
2.8 SPARE PARTS.................................................................................................................................... 29
3IMPORTANT NOTICES .............................................................................................................................. 30
3.1 INSTALLATION REGULATIONS.......................................................................................................... 30
3.2 TRANSPORT & STORAGE INSTRUCTIONS ........................................................................................ 31
3.3 DISPOSAL OF PACKAGING MATERIAL AND NON-FUNCTIONING PRODUCT.................................... 31
4ASSEMBLY GUIDE FOR ZIP-FASTENER INSULATION ................................................................................ 32

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Meaning of pictograms used in the Manual
Important information for tank users.
Abiding by the recommendations of the manufacturer serves to ensure trouble-free
operation and the long service life of the product.
Caution!
Important notice to be observed.
PRIOR TO THE INSTALLATION OF THE TANK, READ CAREFULLY THIS MANUAL!
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 present instructions will introduce you to the use, construction,
maintenance and other information regarding electrical water tanks.
The product is not intended to be controlled by
a) people (including children) with reduced physical, sensual or mental capacities, or
b) people with insufficient knowledge and experiences unless supervised by responsible person, or unless
properly instructed by such responsible person.
The manufacturer reserves the right for engineering modification of the product. The product is designed
for permanent contact with drinkable water.
It is recommended to use the product in indoor environment with air temperatures from +2°C to 45°C
and a relative humidity up to 80%.
Product’s reliability and safety is proven by tests implemented by the Engineering Test Institute in Brno.
Made in the Czech Republic.

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1PRODUCT TECHNICAL SPECIFICATION
1.1 FUNCTION DESCRIPTION
Thanks to their construction and number of variants, the OKC 160 – 1000 NTR(R)/BP series water tanks enable
economic preparation of hot service water (HSW) by means of various power sources. Their nominal
performance provides sufficient amount of hot water for flat units, premises, restaurants, and similar
establishments. For HSW reheat, electricity, various types of central heating boilers, recoverable energy
sources (heat pumps, solar collectors) and combination of those can be chosen.
Service water heating via thermal energy through heat exchanger
Closing valves of the heat exchanger must be opened which ensures heating water flow from the hot water
heating system. Together with a closing valve, it is recommended to install an air outlet valve at the inlet
to the heat exchanger in order to bleed the heat exchanger as needed, in particular before the beginning
of the heating season. The time it takes to heat up using the heat exchanger depends on the temperature
and flow of water in the hot water heating system.
1.2 OPERATING AND INSTALLATION MANUAL FOR TYPES:
OKC 160 NTR/BP, OKC 200 NTR/BP, OKC 250 NTR/BP, OKC 200 NTRR / BP, OKC
250 NTRR / BP
1.2.1 PRODUCT DESCRIPTION
The tank receptacle is welded from a steel plate; the exchangers from a steel tube and, as a unit, it is entirely
coated with hot water resistant enamel. For additional corrosion protection a magnesium anode is mounted
in the upper part of the tank to adjust the electric potential inside the tank, reducing the risk of corrosion.
The vessels have outlets of hot and cold water and a circulation opening welded to them. At the tanks on the
side under the plastic cover, there is a cleaning and revision opening ended with a flange; various
performance heating units may be mounted into the opening. The tank 200 - 250 l includes opening
G 6/4" which enables the assembly of heating unit series TJ G 6/4".Such version is used when the tank is
connected in solar system or a system with a heat pump, to heat water in the upper part of the tank to the
temperature required. The tank is placed on the ground, next to the heating water source, or in its vicinity.
The tank is tested with pressure of 0.9 MPa, heat exchangers with 1.5 MPa. Temperature indicator is placed
on the heater’s housing. The tank is insulated with 42 mm of polyurethane foam. The heater housing is made
of steel sheet provided with a powder coating.
The NTR version has a heat exchanger located in the bottom part of the tank, and one heating water source
is used for heating.
The NTRR version is equipped with two exchangers for an optional combination of two heating water sources;
both exchangers can be combined in a series. The NTR/BP and NTRR/BP series do not have a heating element.
The tank cannot be used for flow heating of hot water in an exchanger.

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1.2.2 CONSTRUCTION AND BASIC DIMENSIONS OF TANK
OKC 160 NTR/BP
Figure 1
Table 1
neck # 1
3/4" outer
neck # 2
1" outer
neck # 3
3/4" inner
neck # 4
1/2" inner
TYP
OKC 160 NTR/BP
A
1047
B
660
C
705
D
584
E
80
F
966
G
649
J
259
L
209
M
779
P
355

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OKC 200 NTR/BP, OKC 250 NTR/BP, OKC 200 NTRR/BP, OKC 250 NTRR/BP
Figure 2
Table 2
neck # 1
3/4" outer
neck # 2
1" outer
neck # 3
3/4" inner
neck # 4
1/2" inner
neck # 5
6/4" inner
TYP
OKC 200 NTR/BP
OKC 200 NTRR/BP
OKC 250 NTR/BP
OKC 250 NTRR/BP
A
1357
1357
1537
1537
B
660
660
660
660
C
705
705
705
705
D
584
584
584
584
E
80
80
80
80
F
1280
1280
1460
1460
G
949
859
1060
1060
I
813
680
813
680
J
259
259
259
259
L
209
209
209
209
M
779
649
779
649
N
-
709
-
889
O
-
1149
-
1329
P
355
355
355
355
R
-
920
-
1100

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1.2.3 TECHNICAL PARAMETERS
MODEL OKC 160
NTR/BP
OKC 200
NTR/BP
OKC 200
NTRR/BP
OKC 250
NTR/BP
OKC 250
NTRR/BP
VOLUME [l] 148 208 200 242 234
WEIGHT WITHOUT WATER [kg] 76 92 103 94 107
MAXIMUM TANK PRESSURE
[MPa] 0.6
OPERATING EXCHANGER
PRESSURE [MPa] 1
MAX. TEMPERATURE
OF HEATING WATER [°C] 110 110 110 110 110
WARM WATER MAXIMUM
TEMPERATURE [°C] 80 80 90 80 80
HEATING SURFACE OF BOTTOM
EXCHANGER [m2] 1.45 1.45 11.45 1
HEATING SURFACE OF UPPER
EXCHANGER [m2] - - 1- 1
OUTPUT OF LOWER/ UPPER
EXCHANGER AT HEATING WATER
TEMPERATURE OF 80 °C AND
FLOW 720 l/h [kW]
32 32 24/24 32 24/32
PERMANENT OUTPUT
OF WARM WATER 1OF LOWER/
UPPER EXCHANGER [l/h]
990 990 670/650
*1080 990 670/650
*1080
TIME OF HEATING
BY EXCHANGER FROM 10°C TO
60 °C [min]
16 23 14/14 26 14/17
STATIC LOSSES [W] 75 82 82 87 87
1 Warm water 45 °C
2 The data do not relate to NTR/BP types without the unit
* Exchanger connected to series
Table 3

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1.3 OPERATING AND INSTALLATION MANUAL FOR TYPES:
OKC 300 NTR / BP, OKC 400 NTR / BP, OKC 500 NTR / BP, OKC 300 NTRR / BP,
OKC 400 NTRR / BP, OKC 500 NTRR / BP
1.3.1 PRODUCT DESCRIPTION
The tank receptacle is welded from a steel plate; the exchangers from a steel tube and, as a unit,
it is entirely coated with hot water resistant enamel. For additional corrosion protection a magnesium anode
is mounted in the upper part of the tank to adjust the electric potential inside the tank, reducing the risk of
corrosion. The vessels have outlets of hot and cold water and a circulation opening welded to them. At the
tanks on the side under the plastic cover, there is a cleaning and revision opening ended with a flange; various
performance heating units may be mounted into the opening. The tank includes opening G6/4“ which
enables the assembly of heating unit series TJ G6/4“. Such version is used when the tank is connected in solar
system or a system with a heat pump, to heat water in the upper part of the tank to the temperature required.
The tank is placed on the ground, next to the heating water source, or in its vicinity. The tank is tested with
pressure of 0.9 MPa, heat exchangers with 1.5 MPa.Temperature indicator is placed on the heater’s housing.
The tank is insulated with 50 mm of polyurethane foam. The plastic housing (reinforced with polystyrene) is
fitted on the tank.
The NTR version has a heat exchanger located in the bottom part of the tank, and one heating water source
is used for heating.
The NTRR version is equipped with two exchangers for an optional combination of two heating water sources;
both exchangers can be combined in a series. The NTR/BP and NTRR/BP series do not have a heating element.
The tank cannot be used for flow heating of hot water in an exchanger.

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1.3.2 DESIGN AND BASIC DIMENSIONS OF TANK
OKC 300 NTR/BP, OKC 300 NTRR/BP
Figure 3
Table 4
neck # 1
1" outer
neck # 2
1/2" inner
neck # 3
3/4" inner
neck # 4
6/4" inner
TYP
OKC 300 NTR/BP
OKC 300 NTRR/BP
A
1558
1558
B
750
750
C
810
810
D
670
670
E
77
77
F
1579
1579
G
760
760
I
895
895
J
325
325
L
330
330
M
858
858
N
-
939
O
-
1291
P
438
438
R
1148
1148

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OKC 400 NTR/BP, OKC 400 NTRR/BP, OKC 500 NTR/BP, OKC 500 NTRR/BP
Figure 4
* at NTR neck #3 3/4" inner, neck #4 1/2" inner
Table 5
neck # 1
1" outer
neck # 2
3/4" outer
neck # 3
1/2" inner
neck # 4
3/4" inner
neck # 5
6/4" inner
TYPE
OKC 400 NTR/BP
OKC 400 NTRR/BP
OKC 500 NTR/BP
OKC 500 NTRR/BP
A
1926
1926
1920
1920
B
755
755
800
800
C
79
79
55
55
D
650
650
700
700
E
329
329
220
220
F
944
944
965
965
G
304
304
288
288
I
1005
1005
1040
1040
J
515
515
380
380
K
1289
1289
1409
1409
L
1194
1194
1264
1264
M
-
1094
-
1114
N
-
1446
-
1604
O
1799
1799
1790
1790

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1.3.3 TECHNICAL PARAMETERS
Table 6
1 Warm water 45 °C
2 The data do not relate to NTR/BP types without the unit
* Exchanger connected to series
MODEL OKC 300
NTR/BP
OKC 300
NTRR/BP
OKC 400
NTR/BP
OKC 400
NTRR/BP
OKC 500
NTR/BP
OKC 500
NTRR/BP
VOLUME [l] 296 285 373 363 447 433
WEIGHT WITHOUT
WATER [kg]
108 126 139 153 137 158
MAXIMUM TANK
PRESSURE [MPa]
1
OPERATING EXCHANGER
PRESSURE [MPa] 1
MAX.TEMPERATURE
OF HEATING WATER [°C] 110
WARM WATER
MAXIMUM
TEMPERATURE [°C]
90
HEATING SURFACE OF
BOTTOM EXCHANGER
[m2]
1.5 1.5 2222
HEATING SURFACE OF
UPPER EXCHANGER [m2] - 1- 1- 1.4
OUTPUT OF LOWER/
UPPER EXCHANGER AT
HEATING WATER
TEMPERATURE OF 80 °C
AND FLOW 720 l/h [kW]
35 24/35 58 26/58 59 37/58
PERMANENT OUTPUT OF
WARM WATER 1OF
LOWER/ UPPER
EXCHANGER [l/h]
1100 1100/670 1423 1423/638 1448 1448/908
TIME OF HEATING BY
EXCHANGER FROM 10°C
TO 60 °C [min]
30 16 / 24 22 22 / 23 26 26 / 27
STATIC LOSSES [W] 83 83 109 114 121 121

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1.4 OPERATING AND INSTALLATION MANUAL FOR TYPES:
OKC 750 NTR / BP, OKC 1000 NTR / BP, OKC 750 NTRR / BP, OKC 1000 NTRR /
BP
1.4.1 PRODUCT DESCRIPTION
The tank receptacle is welded from a steel plate; the exchangers from a steel tube and, as a unit,
it is entirely coated with hot water resistant enamel. For additional corrosion protection a magnesium anode
is mounted in the upper part of the tank to adjust the electric potential inside the tank, reducing the risk of
corrosion. The vessels have outlets of hot and cold water and a circulation opening welded to them. At the
tanks on the side under the plastic cover, there is a cleaning and revision opening ended with a flange; various
performance heating units may be mounted into the opening. The tank includes opening G 6/4“ which
enables the assembly of heating unit series TJ G 6/4“. Such version is used when the tank is connected in
solar system or a system with a heat pump, to heat water in the upper part of the tank to the temperature
required. The tank is placed on the ground, next to the heating water source, or in its vicinity. The tank is
tested with pressure of 0.9 MPa, heat exchangers with 1.5 MPa. Temperature indicator is placed on the
heater’s housing. The tank is insulated with 50 mm of polyurethane foam. The plastic housing (reinforced
with polystyrene) is fitted on the tank.
The NTR version has a heat exchanger located in the bottom part of the tank, and one heating water source
is used for heating.
The NTRR version is equipped with two exchangers for an optional combination of two heating water sources;
both exchangers can be combined in a series. The NTR/BP and NTRR/BP series do not have a heating element.
The tank cannot be used for flow heating of hot water in an exchanger.

- 13 -
1.4.2 DESIGN AND BASIC DIMENSIONS OF TANK
OKC 750 NTR/BP, OKC 1000 NTR/BP
Figure 5
Table 7
neck # 1
5/4" outer
neck # 2
3/4" outer
neck # 3
6/4" inner
neck # 4
1/2" inner
TYP
OKC 750 NTR/BP
OKC 1000 NTR/BP
A
2030
2050
B
1030
1130
C
max. 1140
max. 1240
D
950
1010
D3
225
225
E
106
103
F
1890
1900
G
1422
1490
I
1380
1375
J
383
386
L
293
296
M
1319
1324
P
1081
1088

- 14 -
OKC 750 NTRR/BP, OKC 1000 NTRR/BP
Figure 6
Table 8
TYP
OKC 750 NTRR/BP
OKC 1000 NTRR/BP
A
2030
2050
B
1030
1130
C
max. 1140
max. 1240
D
950
1010
D3
225
225
E
106
103
F
1890
1900
G
1246
1243
I
1009
1024
J
383
386
L
293
296
M
835
884
N
1156
1153
O
1471
1423
P
407
411
R
1336
1333
neck # 1
1" outer
neck # 2
3/4" outer
neck # 3
5/4" outer
neck # 4
1/2" inner
neck # 5
6/4" inner

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1.4.3 TECHNICAL PARAMETERS
MODEL
OKC 750
NTR/BP
OKC 1000
NTR/BP
OKC 750
NTRR/BP
OKC 1000
NTRR/BP
TANK CAPACITY
L
725
945
710 930
DIAMETER mm 910 1010 910 1010
WEIGHT Kg
208
260
197 248
HOT WATER OPERATING
PRESSURE
MPa 1111
HEATING WATER OPERATING
PRESSURE
MPa 1111
MAX TEMPERATURE OF HEATING
WATER
°C 110 110 110 110
MAX TEMPERATURE OF HOT
WATER
°C 95 95 95 95
UPPER EXCHANGER HEAT
DELIVERY SURFACE
m2- - 1.17 1.12
LOWER EXCHANGER HEAT
DELIVERY SURFACE
m23.74.5 1.93 2.45
BOTTOM/TOP EXCHANGER
OUTPUT AT TEMPERATURE
DROP 80/60 °C
kW 99 110 60/33 76/32
POWER NUMBER OF UPPER
EXCHANGER PURSUANT TO
DIN 4708
NL - - 6.27.1
POWER NUMBER OF BOTTOM
EXCHANGER PURSUANT TO
DIN 4708
NL 30.5 38.821 26
PERMANENT POWER OF BOTTOM
EXCHANGER HOT WATER*
l/h 2440 2715 1460 1490
PERMANENT POWER OF UPPER
EXCHANGER HOT WATER
l/h - - 815 780
HEATING TIME OF HOT WATER*
BY (BOTTOM/UPPER) EXCHANGER
AT HEAT DROP 80/60 °C
min 24 26 37/28 43/37
* Hot water 45 °C
Table 9

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2OPERATION AND FITTING INSTRUCTIONS
2.1 OPERATING CONDITIONS
The tank shall only be used in accordance with the conditions specified on the power plate
and in instructions for electric wiring. The cold water inlet of each individually closable heater
must be fitted with a seal, test tap or plug to check the non-return valve, as well as a non-
return valve and safety valve. Heaters with a volume of more than 200 litres must also be
fitted with a pressure gauge. Besides the legally acknowledged national regulations and
standards, also conditions for connection defined in the local electric and water works have
to be adhered to, as well as the installation and operation manual.
The temperature at the place of the tank installation must be higher than +2°C; and the room
must not freeze. The appliance has to be mounted at a convenient place; it means that the
appliance must be easily available for potential necessary maintenance, repair or
replacement, as the case may be.
If water is strongly calcareous we recommend that any of the common decalcifying devices
was installed in front of the tank, or that the thermostat was set to the maximum operating
temperature of 60oC (setting to position “60“).For proper operation, drinkable water of
adequate quality shall be used.
300 litre volume tanks are screwed onto the bottom wooden palette with M12 screws. When
the tank is released from the pallet and prior to its putting into operation, 3 screw legs supplied
have to be installed as the product accessories. With three adjustable legs, the tank may be
positioned vertically to the base within 10 mm range.
2.2 ELECTRICAL INSTALLATION
Wiring for: OKC 160 NTR/BP, OKC 200 NTR/BP, OKC 200 NTRR/BP, OKC 250 NTR/BP, OKC 250 NTRR/BP
Water tank must be equipped with a universal electric heating unit with either set or adjustable heating
element performance. A heating unit consists of a flange, to which one or three wells for ceramic heating
elements and one thermowell are welded (see Figure 7) The unit is fixed with 8 screws M10 with spacing
168 mm.
In the wiring plastic cover, there is a thermostat and a safety fuse; tank operation control light; and a lead-in
wire bushing.
The sensors must be inserted all the way in; first the thermostat and then the safety fuse.
The performance of heating unit may be adjusted based on either required heating time or connecting
possibilities of electric energy distribution in the place of use.

- 17 -
2.2.1 TECHNICAL PARAMETERS OF ELECTRIC HEATING UNITS
Heating unit 2.2
kW Multipurpose heating unit 3 - 6 kW
OUTPUT kW 2.23346
VOLTAGE
1 PE-N AC
230 V 50 Hz
1 PE-N AC
230 V 50 Hz
2 PE-N AC
400 V 50 Hz
3 PE-N AC
400 V 50 Hz
3 PE-N AC
400 V 50 Hz
ELECTRICAL
PROTECTION
IP 44
NUMBER OF
HEATING UNITS
13
OUTPUT OF ONE
UNIT kW 2.22
Table 10
After the tank is connected to electric network, the heating element starts heating water. The element is
turned on and off by a thermostat. The thermostat may be set from 5°C to 74°C.
We recommend setting the hot water temperature at the maximum of 60°C.
This temperature ensures optimal tank operation, lowers heat loss, and saves electricity.
After reaching the temperature set, the thermostat switches off the electric circuit and thus discontinues
water heating. The control light signals if the element is in operation (light is on) or if it is off (the light goes
out). When shutting the tank out for an extended period, in winter you can set the thermostat
to the snowflake sign preventing the water from freezing, or turn off the current supply to the tank.
Connection, repairs, and wiring inspections may only be implemented by company (person)
authorised to such activity. Expert connection must be confirmed on the warranty
certificate.
The tank is connected to the electric network using a solid moving conductor with a switch that turns off all
network poles and the circuit breaker (protector).
The degree of protection of electric parts of the tank is IP 44.
Adhere to the protection against electric shock injury according to valid standard in the installation location.

- 18 -
2.2.2 HEATING UNIT - FLANGES
OKCE 160 NTR/BP, OKCE 200 NTR/BP, OKCE 250 NTR/BP,OKCE 200 NTRR/BP, OKCE 250 NTRR/BP
Figure 7
OKC 300 NTR/BP, OKC 300 NTRR/BP, OKC 400 NTR/BP, OKC 400 NTRR/BP, OKC 500 NTR/BP,
OKC 500 NTRR/BP, OKC 750 NTR/BP, OKC 750 NTRR/BP, OKC 1000 NTR/BP, OKC 1000 NTRR/BP
TPK 210-12/2,2 kW TPK 210-12/3-6 kW
Fastening 12 x M12
Figure 8 Fastening 12 x M12
Figure 9
TPK 210-12/5-9 kW Wiring scheme
TPK 210-12/8-12 kW Heating unit 2.2 kW
Fastening 12 x M12
Figure 10
Figure 11

- 19 -
Wiring scheme
Heating unit 3-6 kW
The 3-6 kW heating unit allows 4 types of connection based on either required time of heating
or possibilities of electric network in the place of use.
TPK 3-6 kW R ~ 1 kW
To achieve chosen performance of the heating unit,
connect the inlet conductor to L1, L2, L3, and N terminal
board, and interconnect the clips on the 1-10 terminal
board in accordance with the following schemes:
3 kW 1 PE - N AC 230 V / 50 Hz
3 kW 2 PE - N AC 400 V / 50 Hz
4 kW 3 PE - N AC 400 V / 50 Hz
6 kW 3 PE - N AC 400 V / 50 Hz
Figure 12

- 20 -
Heating unit:
TPK 210-12/5-9 kW
TPK 210-12/8-12 kW
TPK 5-9 kW R ~ 1 kW
TPK 8-12 kW R ~ 1,33 kW
TPK 5-9 kW
5 kW 3 PE - N AC 400 V / 50 Hz
7 kW 3 PE - N AC 400 V / 50 Hz
9 kW 3 PE - N AC 400 V / 50 Hz
TPK 8-12 kW
8 kW 3 PE - N AC 400 V / 50 Hz
10.5 kW 3 PE - N AC 400 V / 50 Hz
Figure 13
12 kW 3 PE - N AC 400 V / 50 Hz
Heating units use
Capacity
Flange size
Time of heating from 10°C to 60°C (hours)
L
mm
8
6
5
4
3
2,5
2
1,5
750
Flange
∅150
RDU 18-6
RDW 18-7.5
RDW 18-10
RSW 18 -12
RSW -18 -15
flange
∅225
SE 377-8
SE 378-9.5
SE 377-11
SE 378-14
SE 377-16
SE 378-19
1000
flange
∅150
RDW 18-7.5
RDW 18-10
RSW 18 -12
RSW 18 -15
flange
∅225
SE 377-8
SE 378-9.5
SE 377-11
SE 378-14
SE 377-16
SE 378-19
Capacity
Flange size
Time of heating from 10°C to 60°C (hours)
L
Mm
8
6
5
4
3
2,5
2
1,5
300
flange
∅210
RDU 18 – 2.5
RDU 18 – 3
RDU 18-3.8
RDU 18-5
RDU 18-6
RDW 18-7.5
RDW 18-10
400 flange ∅210
RDU 18 – 3
RDU 18-3.8
RDU 18-5
RDU 18-6
RDW 18-7.5
RDW 18-10
RSW 18 -12
RSW 18 -15
500
flange
∅210
RDU 18-3.8
RDU 18-5
RDU 18-6
RDW 18-7.5
RDW 18-10
RSW 18 -12
RSW 18 -15
Table 11
Electrical heating units REU, RDU, RDW and RSW can be by reduction flange 210/150 mounted in heaters
with 300,400 and 500 litre volume.
Electrical heating units REU, RDU, RDW and RSW can be by reduction flange 225/150 mounted in heaters
with 750 and 1000 litre volume.