Manual Bosch TR1100 - 21B (page 8 of 60) (English, German, Polish)

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Installation instructions

TR1100 – 6 720 876 016 (2018/04)

• The appliance may only be used for heating drinking water for

household use.

• This appliance can be used by children aged 8 years and older as well

as by persons with diminished bodily, sensory or mental perception,

or those who lack knowledge or experience, if they are monitored or

have received instruction concerning use and comprehend the

possible dangers that can result. Children may not play with

the appliance. Cleaning and maintenance by the user may

not be performed by unsupervised children.

• Keep children away from the appliance.

• Please monitor children to ensure that they do not play with

the appliance.

• The mixer and the warm water pipe may be hot. Please inform

and instruct children appropriately.

• Do not use aggressive or abrasive cleaning detergents!

• Do not use a steam cleaner.

• The appliance is only to be descaled by a suitably qualified specialist.

Congratulations on purchasing this BOSCH appliance. You have

acquired a top-quality product, which will give you a lot of enjoyment.

Please read this installation and operating instruction manual

carefully, then act accordingly! Store for future reference.

2 Installation instructions

Install the continuous-flow heater as described in the illustrated

section. Observe the instructions in the text.

The illustrations can be found in the centre of the instruction manual.

2.1 Installation

List of items supplied (Fig. 1)

• Continuous-flow heater

• Installation template

• Connection piece for hot water

• Washer, red Ø 15 mm

• Connection piece for cold water

• Washer, Ø 24 mm

• Mounting bolt

• Wall plug

• Securing nut

• Threaded bushing

• Cable grommet

Wall mounting (Fig. 2/3/4)

There are two ways in which the continuous-flow heater can be mounted

on the wall:

• Using the mounting bolt. Unevenness in the wall up to a depth

of 25 mm can be compensated for.

• Making use of the holes that were drilled for the old heater:

Use the mounting template to establish whether the existing

holes line up properly.

The following describes the installation procedure using the mounting

bolt.

Marking the point for mounting the heater and selecting

the opening for the connecting cable (Fig. A)

WARNING:

Important!

Make sure that the connecting cable is isolated from the mains

electricity supply!

• Place hole 3 in the mounting template over the cold-water inlet.

• Select the most suitable hole through which the connecting cable

is be fed. The connecting cable must pass through one of the six holes

marked 14…. Terminal BZ45Z20M can be used if the cable is fed

into the water heater through one of the bottom holes marked 14a.

• Mark the point 12 at which the mounting bolt is to be inserted.

Fitting the mounting bolt and attaching the pipe connecting pieces

(Fig. B)

Open up the heater (Fig. C)

Punching out the holes at the rear of the heater for the mounting

bolt and the connecting cable

Important: When mounting the appliance, only the holes actually

required should be punched out. Any other holes that are not going

to be used must be sealed watertight.

Inserting the connecting cable (Fig. D)

• Push the grommet 11 over the end of the connecting cable.

NOTICE:

Do not use the grommet for a cable with a cross-section of 16 mm2.

The appliance must then be installed flush with the wall.

WARNING:

Attention!

Without a grommet, the TR1100 18B/ 21B/ 24B is splashproof only

(IP 24).

• Place the heater over the connecting cable.

• Press the grommet into the hole in the rear wall of the heater through

which the cable should be fed. Ensure that the edges of the grommet

are flush with the hole all the way round.

• Fit the heater onto the threaded bushing 8 and secure it in place with

the nut 9.

Compensating for unevenness in the wall (Fig. E)

Water connection (Fig. 5)

• Using the locking screw 15, the water connection can be aligned by

± 10 mm vertically.

• Adapt the bend in the “hot” pipe so that it lines up with the hot-water

outlet. In doing so, make sure that the “cold” elbow connection

is not bent.

WARNING:

Attention!

Ensure that a distance of at least 6 mm is maintained to live parts

of the heater.

• Connect the water outlet and inlet and tighten the securing nut

on the mounting bolt.

Checking for leaks and flushing the heater:

• Turn on the hot-water tap.

• Check that all pipe joints are properly sealed.

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Bosch TR1100 - 21B Manual

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