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GB

Type approvals

The GROHE Red boiling water storage heater with a filter 
system must be installed with the safety assembly provided 
and must only be used with this in India.

The boiling water storage heater with filter system may only 
be operated together with an original GROHE Red boiling 
water fitting.

Application

The GROHE Red boiling water fitting supplies boiling water 
in addition to hot and cold tap water. Boiling and mixed water 
flows into the GROHE Red fitting through separate pipes and 
flows out through two separate areas of the flow straightener.

The boiling water storage heater is designed to heat and store 
drinking water in pressurised systems. 

The boiling water storage heater is suitable for connection to a 
mains system with a maximum water pressure of 0.8 MPa. 

It must 

not

 be connected to hot water.

The filter system measures the flow rate using a sensor and 
from this calculates the remaining capacity of the filter cartridge 
as a function of the set litre capacity. If the filter cartridge litre 
capacity set on the display unit is exceeded, the values are 
displayed as negative values.

The water filtrate is classified as Category 2 according 
to EN 1717. 

Safety notes

GROHE Red boiling water storage heater:

This device is 

not

 intended for use 

by persons (including children) with 
physical, sensory or mental impairments 
or a lack of experience or knowledge 
in using devices of this type.

Children must be supervised to ensure 
that they do not play with the device.

Danger due to electric shock. Avoid 
damaged power supply cables. In the 
case of damage, the boiling water 
storage heater must be replaced by the 
manufacturer or its customer service 
department or an equally qualified person.

Caution: Risk of scalding.

 Escaping 

water is boiling hot. 

Never touch the end 

of the spout 

in order to swivel the spout 

as it becomes extremely hot.

• The boiling water storage heater must be connected to 

a permanent power supply with earth wire.

• Installation may only be performed in frost-free rooms.

• The boiling water storage heater is only suitable for indoor use.

• The boiling water storage heater must be placed in an 

upright position. 

• The boiling water storage heater and plug must 

not

 be 

directly or indirectly sprayed with water when cleaning.

• The boiling water storage heater must not be opened.

• Use 

only genuine replacement parts and accessories

The use of other parts will result in voiding of the warranty 
and the CE identification, and could lead to injuries.

If the boiling water storage heater is to be drained, the safety 
assembly of the boiling water storage heater must be removed. 
Invert the boiling water storage heater and allow the water to 
run out. 

However, we strongly advise against draining the boiling 
water storage heater. There is a significant risk of 
damaging the boiling water storage heater.

Technical specifications

Boiling water storage heater electrical data:

• Connection:

Wall socket with earth wire,

protected with a 16 A fuse

• Voltage supply: 

230V AC / 50Hz

• Power consumption: 

2100 W

• Standby power loss (switched on): 

15 W

• Standby power loss (switched off): 

 1 W

• Type of protection:

IPX4

Filter system: 

• Sensor battery:

 3 V lithium battery (type CR 2032)

• Cable length:

1500mm

• Type of protection unit (wall installation):

IPX4

• Type of protection rating:

IPX8

Sanitary data for boiling water storage heater, fitting:

• Boiling water storage heater capacity: 

8 l

• Flow pressure:

 

- min. 

0.1 MPa 

- recommended 

0.1-0.5 MPa

• Operating pressure: 

max. 0.2-0.8 MPa

• Test pressure:

0.16 MPa

• Flow rate at 0.3 MPa flow pressure 

 

- mixed water:

approx. 7 l/min

- boiling water:

approx. 3.5 l/min

• Hot water temperature can be set at the storage heater:

 35 °C-75 °C

• Boiling water temperature:

100 °C

The actual temperature may differ slightly due to different 
ambient pressures

• Heating time from 10 °C to 100 °C:

approx. 30 min

• Available storage heater volume at 100 °C:

 6 l/min

• Available storage heater volume at 60 °C: 

11 l/min

• Max. Chlorine value:

100 mg/l

• Clamping length of fitting:

max. 60 mm

• Water connection at storage heater: 

Cold water

• Water connection at fitting: 

Cold water from service valve

Hot water from storage heater

Boiling water from storage heater

Summary of Contents for RED DUO 30 227

Page 1: ...RUS 28 E 4 N 9 CZ 14 SLO 19 LT 24 I 5 FIN 10 H 15 HR 20 RO 25 DESIGN ENGINEERING GROHE GERMANY www grohe com 30 227 GROHE RED DUO 99 0244 031 230423 02 15 GB 1 NL 2 PL 4 P 6 BG 7 CN 9 DK 5 S 3 UAE 4 T...

Page 2: ...I Please pass these instructions on the end user of the fitting...

Page 3: ...II L K L 6 D 24mm 30mm 2 B D D2 C D1 3 1 13mm 19 017 A max 60mm A max 45mm 5 E G J K 19mm 19mm 19mm E 19mm 19mm OUT IN H G 1500mm 4...

Page 4: ...ion may only be performed in frost free rooms The boiling water storage heater is only suitable for indoor use The boiling water storage heater must be placed in an upright position The boiling water...

Page 5: ...cure storage heater pressure hose L marked blue to safety assembly D using the seals provided To prevent overpressure the outlet valve D2 of the safety assembly must not be covered see Fig 3 Connect f...

Page 6: ...will be lost when changing the batteries or if the battery discharges Assemble in reverse order II Cartridge V see fold out page IV Fig 13 1 Lever out the plug W and remove set screw X 2 Remove the l...

Page 7: ...straightener see section Maintenance Fully open shut off valves isolating valves Check supply lines open isolating valve Water not boiling Storage heater not hot enough yet Wait approx 30 minutes afte...

Page 8: ...III S1 S T R 2sec 9 7 N1 P1 O N M N P J 19mm 19mm 19mm 19mm 8 Q1 Q U...

Page 9: ...IV Z 14 V 13 Y1 U W X 30mm 3mm Y H1 12 H2 H3 11 H 10...

Page 10: ...0 info grohe co jp KZ 7 727 311 07 39 info cac grohe com LT 372 6616354 grohe grohe ee LV 372 6616354 grohe grohe ee MAL 1 800 80 6570 info singapore grohe com N 47 22 072070 grohe grohe no NL 31 79 3...

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