Installation Instructions; Unpacking; Product Description; Wall Mounting (Fig. 4) - Bosch TR2500TO 10 B Montage- Und Gebrauchsanleitung

Installation instructions

• Do not use aggressive or abrasive cleaning detergents!
• Do not use a steam cleaner.
Please read this installation and operating instruction manual
carefully, then act accordingly! Store for future reference.
2 Installation instructions
2.1

Unpacking

• Inspect the new appliance for transport damage!
• Please dispose of the packaging, and if applicable, the old appliance
in an environmentally-friendly manner.
Scope of delivery (Fig. 1)
1 Appliance with operating panel
2 Installation bracket
3 Documentation
2.2

Product description

The small water heater is only suitable for open (unpressurised)
installation. It heats and stores drinking water up to approx. 85 °C.
Different temperature levels can be selected with the temperature
selector knob.
The appliance may not be operated with pre-heated water, as otherwise
the safety temperature limitation will trip.
The appliance is connected using the mains plug.
This installation and operating instruction manual describes various
appliance types.
2.3

Wall mounting (Fig. 4)

Undersink appliances TR2500TO 10 T
• For mounting without the wall hooks, observe the different
dimensions!
Screwing on the connection hoses (Fig. 5)
• Fit the sealing gasket.
• Place the sleeve nuts onto the threads and screw on by hand.
• Tighten the screw fitting.
Hold the threaded fittings on the water heater with a spanner. Do
not lubricate the thread!
• After the unit has been used to heat water a few times, retighten the
screw fitting.
Replacement for a damaged threaded fitting is available from customer
service.
Oversink appliances TR2500TO 10 B (Fig. 6)
• For mounting without the wall hooks, observe the different
dimensions.
Connecting the tap mixer (Fig. 7)
2.4

Water connection (Fig. 3, 8)

CAUTION:
Caution!
Do not allow the existing tap mixer to become calcified.
A reduced flow rate will ruin the water heater.
• Insert the connection pipes into the tap mixer.
• Hang the water heater on the wall.
• Screw the connection pipes onto the heater and the tap mixer.
Hold the threaded fittings on the heater with a spanner.
Do not lubricate the thread!
8
2.5

First start-up (Fig. 9, 10)

2.5.1

Electrical connection

• Important: Do not insert the plug into the mains socket yet.
TR2500TO 10 T only:
• Open the corner valve.
• Completely fill the heater's reservoir with water.
• Set the flow on the corner valve:
10-litre unit: 10 l/min = 1 l in 6 seconds
TR2500TO 10 B only:
• Set the flow with the adjustment screw on the tap mixer:
10-litre unit: 10 l/min = 1 l in 6 seconds.
• Only then insert the plug into the mains socket.
2.5.2

Checking the heating

• Turn the rotary selector switch to "3" (approx. 85 °C).
• Monitor the heating process until the pilot lamp switches off.
Heating time:
10-litre unit: 25–35 minutes.
• Check the temperature.
CAUTION:
If the safety temperature limitation has switched off the small water
heater, unplug the mains plug, open the warm water tap and allow
approx. 4 litres of water to flow. Then plug the mains plug back in.
The appliance is ready again for operation.
2.5.3

Limitation of the water temperature

The temperature of the water leaving the tap for the small water heater
can be mechanically set to stage "1" (approx. 40 °C) or stage "eco"
(approx. 60 °C) (see "Operation", page 9).
Conserving energy
• Set the rotary selector to "eco" to conserve energy.
• Hand over the installation and operating instructions to the user and
explain how the appliance operates.
Tronic 2500 TO – 6 720 879 724 (2018/04)