Regulus RBC 300 HP, RBC 400 HP, RBC 200 HP, RBC 500 HP, RBC 750 HP Installation And Operation Instructions Manual
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www.regulus.eu
RBC 200 HP - 1500 HP
RBC 200 HP - 1500 HP
EN
Installation and Operation Instructions
HOT WATER STORAGE TANKS
RBC 200 HP, RBC 300 HP, RBC 400 HP, RBC 500 HP,
RBC 750 HP, RBC 1000 HP, RBC 1500 HP
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REGULUS - RBC HP Hot Water Storage Tanks - www.regulus.eu
CONTENTS
1 Description ....................................................................................................................................... 3
1.1 Models ................................................................................................................................. 3
1.2 Tank protection ..................................................................................................................... 3
1.3 Thermal insulation ................................................................................................................ 3
1.4 Connection points on the tank .............................................................................................. 3
1.5 Packaging ............................................................................................................................ 3
2 General Information ......................................................................................................................... 3
3 Technical Data and Dimensions of RBC HP Models .................................................................... 4
4 Operation .......................................................................................................................................... 5
5 Examples of Assigning Connection Points ................................................................................... 6
6 Installation and Commissioning ..................................................................................................... 8
6.1 Connection to heat sources ................................................................................................. 8
6.2 Connection to a solar thermal system ................................................................................. 8
6.3 Heating rod installation ......................................................................................................... 8
6.4 Connection to water mains ................................................................................................... 8
6.5 Electronic anode installation ................................................................................................ 8
6.6 Commissioning .................................................................................................................... 9
7 Insulation .......................................................................................................................................... 9
8 Maintenance and Magnesium Anode Rod Replacement ............................................................ 10
9 Disposal ............................................................................................................................................ 10
10 Warranty ........................................................................................................................................... 10
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1 - Description
RBC HP Storage water heater (further “tank“) with one upsized enameled heating coil with a G 5/4” connection
(750, 1000 and 15000 l tanks have a G 6/4” connection). These tanks (except for the 1000 and 1500 l models)
facilitate installation of an electric heating element into the G 6/4” sleeve.
These tanks with an upsized heating coil are especially suitable for use with a heat pump.
In order to reach proper working of the tank, it is necessary to design optimum hydraulics of the whole system,
i.e. position of circulation pumps for sources and heating circuits, valves, non-return valves etc.
1.1 - Models
Seven models of 205, 299, 407, 509, 764, 884 and 1516 l capacity enabling installation of an electric heating
rod or another heat source.
1.2 - Tank protection
Enameled inner surface and coil guarantee long service life. Enamel is done according to DIN 4753 standard.
Further qualitative improvement is reached thanks to a magnesium anode rod installed inside the tank (bigger
tanks are tted with more anode rods). From 400 l upwards the tanks are tted with 2 magnesium anode rods,
tanks of 750, 1000 a nd 1500 l volume with 3 magnesium anode rods.
1.3 - Thermal insulation
Tanks up to 500l are supplied with a hard polyurethane insulation 55 mm thick with a white PVC surface. 750
and 1000l tanks are supplied with a hard polyurethane insulation 75 mm thick with white PU leather surface.
1500 l tank features 100 mm thick insulation.
1.4 - Connection points on the tank
2× lateral with G 5/4“ inner thread, for the heating coil (750, 1000 and 1500 l tanks have a G 6/4” thread)
2× lateral with G 5/4“ inner thread, for cold water inlet and hot water outlet (200, 300 and 400 l tanks have
a G 1” thread, 1500 l tank has a G 2”)
2× lateral with G 1/2“ inner thread, for a temperature sensor and thermometer (RBC 1000 HP and RBC 1500
HP tanks have one extra sheath)
1× lateral with G 1“ inner thread, for circulation (200, 300 and 400 l tanks have a G ¾” thread)
1× top with G 5/4“ inner thread, for a magnesium anode rod (750, 1000 and 1500 l tanks have 2 upper anode
rods)
1× lateral with G 6/4“ inner thread, for an el. heating rod (not in RBC 1000 HP and RBC 1500 HP)
1× ange for the lateral inspection hole
1.5 - Packaging
Tanks are delivered standing, each screwed to its pallet, packed in bubble wrap. It is forbidden to transport
and/or store the storage tanks in a horizontal position.
2 - General Information
The appliance shall be installed by a qualied person according to valid rules and Manufacturer‘s Instructions.
This Owners Manual is an integral and important part of the product and must be handed over to the User.
Read carefully the instructions in this Manual as they contain important information concerning safety,
installation, operation and maintenance. Keep this Manual for later reference.
Using the tank for other purposes than stated above is forbidden and the manufacturer accepts no
responsibility for damage caused by improper or wrong use.
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V
Ø P
Ø O
3 - Technical Data and Dimensions of a RBC
HP Storage Water Heater
Tank code ................................................................... a
Total tank volume ......................................................
.
b
Heating coil volume .................................................... c
Heating coil surface area ........................................... d
Empty weight (transport) ............................................ e
Max. working temperature - tank ............................... 95 °C
Max. working temperature - heating coil .................... 110 °C
Max. working pressure - tank ..................................... 10 bar
Max. working pressure - heating coil .......................... 10 bar
DHW heating ∆t =35 °C (80/60 - 10/45) - coil ............ f
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4 - Operation
This tank is designed for operation in closed pressure circuits. Hot water is heated in the tank via the
integrated heat exchanger (heating coil) from several possible heat sources like various kinds of heating
boilers, renewable energy sources (heat pumps, solar collectors). An electric heating rod can be installed into
the tank for DHW backup heating.
Hot water temperature should be set to 60-65 °C. This temperature guarantees the best operation and at the
same time, it prevents formation of Legionella bacteria.
Model RBC
200 HP
RBC
300 HP
RBC
400 HP
RBC
500 HP
RBC
750 HP
RBC
1000 HP*
RBC
1500 HP*
Tank code a 10534 10535 10536 8546 10537 7883 16714
Tank volume [l] b 200 300 400 500 750 1000 1500
Heating coil volume [l] c 13.5 23.1 30 36.3 46.2 63 70
Heating coil surface area [m2]
d 3 3.8 5 5.9 7.5 10 11
Empty weight
(transport) [kg]
e 128 155 187 220 290 320 344
DHW heating ∆t=35 °C
(60/40 - 10/45) [l/h] ([kW])
f 934
(38)
1179
(48)
1572
(64)
1880
(75)
2334
(95)
3186
(127)
3432
(140)
Dimensions [mm] V 1265 1710 1655 1785 1870 2120 2205
ø O 610 610 710 760 950 950 1200
ø P 500 500 600 650 790 790 1000
Tipping height [mm] - 1410 1820 1810 1950 2100 2330 2590
Magnesium anode rod (code) - 464 3698 3698 3698 3698 3698 3698
Magnesium anode rod for the
lower ange (code)
- - - 4025 4025 448 448 448
Magnesium anode rod, chain
type (code)
- - - - - 13112 13112 13112
*RBC 1000 HP and RBC 1500 HP tanks have no G 6/4“ sleeve for a heating element but they have an extra G 1/2“ tapping for a control &
safety sensor.
TAPPINGS
RBC 200 HP RBC 300 HP RBC 400 HP RBC 500 HP RBC 750 HP RBC 1000 HP RBC 1500 HP
pos. conn. height [mm] conn. height [mm] conn. height [mm] conn. height [mm] conn. height [mm] conn. height [mm] conn. height [mm]
DHW heating
W1 G 1“ F 67 G 1“ F 67 G 1“ F 79 G 5/4“ F 175 G 5/4“ F 220 G 5/4“ F 220 G 2“ F 315
W2 G 1“ F 1164 G 1“ F 1609 G 1“ F 1541 G 5/4“ F 1595 G 5/4“ F 1590 G 5/4“ F 1840 G 2“ F 1935
W3 G 3/4“ F 990 G 3/4“ F 1200 G 3/4“ F 1205 G 1“ F 1375 G 1“ F 1140 G 1“ F 1235 G 5/4“ F 1460
El. heating elements
E1 G 6/4“ F 940 G 6/4“ F 1150 G 6/4“ F 1165 G 6/4“ F 1335 G 6/4“ F 1300 - - - -
Control and safety
C1 G 1/2“ F 593 G 1/2“ F 653 G 1/2“ F 690 G 1/2“ F 825 G 1/2“ F 775 G 1/2“ F 1193 G 1/2“ F 1260
C2 - - - - - - - - - - G 1/2“ F 542 G 1/2“ F 870
T G 1/2“ F 1040 G 1/2“ F 1430 G 1/2“ F 1385 G 1/2“ F 1475 G 1/2“ F 1450 G 1/2“ F 1730 G 1/2“ F 1825
Solar thermal system
X1 G 5/4“ F 210 G 5/4“ F 230 G 5/4“ F 250 G 5/4“ F 295 G 6/4“ F 370 G 6/4“ F 345 G 6/4“ F 1620
X2 G 5/4“ F 890 G 5/4“ F 1080 G 5/4“ F 1100 G 5/4“ F 1235 G 6/4“ F 1250 G 6/4“ F 1685 G 6/4“ F 450
Flange
L1 8 x M10 257 8 x M10 270 8 x M10 280 8 x M10 360 8 x M10 400 8 x M10 400 8 x M10 530
Magnesium anode rod
A1 G 5/4“ F 1790 G 5/4“ F 2040 G 5/4“ F 2205
A2 - - - - G 5/4“ F 280 G 5/4“ F 360 G 5/4“ F 400 G 5/4“ F 400 G 5/4“ F 530
A3 G 5/4“ F 1230 G 5/4“ F 1675 G 5/4“ F 1620 G 5/4“ F 1750 G 5/4“ F 1790 G 5/4“ F 2040 G 5/4“ F 2205
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REGULUS - RBC HP Hot Water Storage Tanks - www.regulus.eu
gas
boiler
gas
boiler
hot water
cold water
heating system
3-way
zone valve
recirculation
RBC HP
E
Example I.
- with a series of gas boilers
5 - Examples of Assigning Connection Points
Conn.
point
Example I.
with a series of gas boilers
Example II.
with a solar thermal system
Example III.
with a heat pump
A1 magnesium anode rod magnesium anode rod magnesium anode rod
T thermometer thermometer thermometer
E1 plug plug electric heating rod
W1 cold water inlet cold water inlet cold water inlet
X1 outlet to a boiler outlet to a solar thermal system outlet to a heat pump
X2 inlet from a boiler inlet from a solar thermal system inlet from a heat pump
C1 temperature sensor, thermostat temperature sensor temperature sensor
W3 recirculation plug recirculation
W29 hot water outlet hot water outlet hot water outlet
L1 - ange blinded blinded blinded
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hot water
cold water
3-way
zone valve
larger solar system
pool
backup heating
RBC HP
TSV TV
recirculation
E
B
T
E
hot water
cold water
recirculation
EcoAir Heat Pump
3-way
zone valve
accumulation
RBC HP
E
Example II.
- with a solar thermal system
Example III.
- with a heat pump
Table of limit values for total dissolved solids in hot water
Description pH Total dissolved solids (TDS) Ca Chlorides Mg Na Fe
Max. value 6.5 - 9.5 600 mg/l 40 mg/l 100 mg/l 20 mg/l 200 mg/l 0.2 mg/l
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6 - Installation and Commissioning
Installation shall meet valid rules and may be done only by qualied staff. The tank shall be placed on the
oor, as close to the heat source as possible.
Warning: Defects caused by improper installation, use or
handling are not covered by warranty.
6.1 - Connection to heat sources
Connect heating circuits to the inlet and outlet of the heating coil. The heat source for the tank - an enameled
coil - connect with G 5/4” couplings.
6.2 - Connection to a solar thermal system
The tank can be used with a solar thermal system. In such a case, the inlet for hot heat-carrying liquid coming
from the solar thermal system shall be connected to the G 5/4” upper sleeve and the lower outlet connects to
the return piping to the solar thermal system. Insulate all the piping between the tank and the solar thermal
system.
6.3 - Heating rod installation
The G 6/4“ side sleeve is designed to accommodate an electric heating rod (RBC 1000 HP and 1500 HP tanks
have no sleeve for a heating rod). Heating rods of output up to 12 kW can be used (depending on the tank
diameter and rod length), connected either directly to the mains (thermostat-equipped rods), or to a heating
system controller. The installation may be done by qualied staff only.
Warning: Electric heating elements shall be protected by a safety thermostat.
6.4 - Connection to water mains
DHW piping shall be done according to valid rules. Threaded couplers are used to connect the tank to a cold
water inlet and hot water outlet. A 6bar safety valve shall be installed at the cold water inlet. Installation of
a reducing valve to the tank inlet is recommended. If the pressure from water mains exceeds 6 bar, a reducing
valve is necessary. In order to prevent water loss, an expansion tank should be installed at the cold water inlet
as well (8 l volume for RBC 200HP, 12 l volume for RBC 300HP and 400HP, 18 l for RBC 500HP, 24 l for RBC
750HP, 35 l for RBC 1000HP and 60 l for RBC 1500 HP).
Should the water be too hard, install a water softener before the tank. In case the water contains mechanical
impurities, install a strainer.
A suitable thermostatic mixing valve should be installed at the hot-water outlet from the tank, preventing too
hot water from entering the taps.
Install a drain valve to the lowest point of the tank. Complete DHW piping shall be properly insulated.
6.5 - Electronic anode rod installation
A so called electronic anode rod can be used instead of the magnesium one. In such a case, just visual check
of the indication lamp is sufcient, without having to take it out from the tank for check.
All magnesium anode rods shall be removed from the tank prior to installing an electronic anode rod.
Sufcient free space is needed above the tank top to install the electronic anode rod, see the table below with
recommended anode lengths.
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6.6 - Commissioning
Fill the heating circuits with the appropriate uids and air-bleed the entire system. Check all connections for
leaks and verify the system pressure.
The quality of top-up and heating water is set by ČSN 07 7401:1992. Hot water quality must meet the
conditions shown in the Table of limit values for total dissolved solids in hot water, page 7 of this
Manual.
Fill the heating circuits with the appropriate uids and air-bleed the entire system. Check all connections for
leaks and verify the system pressure. Set the heating controller in compliance with the documentation and
manufacturer’s recommendations. Check regularly a proper function of all control and adjusting elements.
7 - Tank Insulation
Product description
Thermal insulation is a component of tanks that prevents heat losses. Thermal insulation of polyurethane foam
with zipped PVC layer is used.
Warning
Insulation dismantling and installation shall be done in two or three persons. The foam insulation with a PVC
foil and zipper must not be dismantled/installed at temperatures below 20 °C. If this cannot be avoided, the
insulation shall be pre-warmed in another room to at least 20 °C. It is impossible to install insulation of a lower
temperature, there is a risk of damage, esp. to the zipper.
Do not use any tools for installation.
Keep away from open re.
Warranty on insulation
□ Warranty shall become null and void if:
○ the product was used for other purposes than intended.
□ Warranty does not cover:
○ usual wear and tear,
○ damage caused by re, water, electricity or another natural disaster,
○ defects caused by failure to use the product in compliance with its intended purpose,
by improper use and insufcient maintenance,
○ defects caused by mechanical damage to the product,
○ defects caused by tampering or incompetent repair.
For tanks El. Anode
Kit code replacement
Anode rod length El. Anode Kit
code w. lower
ange*
Anode rod length
RBC 200 HP, RBC 300 HP 17375 750 (550/200) 17434 750 (550/200) + 350(200/150)
RBC 400 HP, RBC 500 HP 17376 750 (550/200) + 350 (200/150) 17434 750 (550/200) + 350(200/150)
RBC 750 HP, RBC 1000 HP 17377 800 (550/250) + 450 (200/250) 17428 800 (550/250) + 450 (200/250)
RBC 1500 HP 14429 800 (550/250) + 600 (350/250) 17435 800 (550/250) + 600 (350/250)
* The Kit shall be used when an electric heating element needs to be installed in the lower flange.
Electronic Anode Kits for RBC HP Hot Water Storage Tanks
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8 - Maintenance, Replacement of
Magnesium Anode Rod
If the tank is tted with a heating element, disconnect it from the mains rst.
Clean the exterior of the tank with a soft cloth and a mild detergent.
Never use abrasive cleaners or solvents.
Check all connections for leaks. The tanks are equipped with an anti-corrosion sacrice magnesium anode
rod. The anode rod shall be checked within 12 months after commissioning and subsequently always not
later than 12 months after the last check. In locations where water contains more ferrites or calcites, it is
recommended to check the anode every 6 months. If more than 1/3 of its total volume is consumed, the anode
shall be replaced with a new one. Disregarded of its state, the anode rod shall be replaced with a new one
within 24 months from commissioning. In case an electronic anode is used, the above described procedures
are not necessary. Then only a visual check of the indication lamp is necessary every 3 months. Indication of
proper working of the Electronic Anode is described in its User’s Manual.
If damage to a tank occurs due to neglected substitution of a magnesium anode rod or a non-working
electronic anode, the warranty cannot be claimed.
9 - Disposal
Packing shall be disposed of in compliance with the valid rules. When the product reaches the end of its life,
it shall not be disposed of as household waste. It shall be dropped off at a Local Waste Recycling Center.
Insulation shall be recycled as plastic and the steel vessel as scrap iron.
10 - Warranty
This product is covered by warranty according to the conditions described in this Manual and according to
the Warranty Certicate. A Warranty Certicate is an integral part of the supply. Tank transport or storing in
a horizontal position is considered a warranty violation!
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©2019 We reserve the right to errors, changes and improvements without prior notice.
REGULUS spol. s r.o.
E-mail: sales@regulus.eu
Web: www.regulus.eu
v1.4-02/2019
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