Installation Instructions; Unpacking; Product Description; Wall Mounting - Bosch TR2500T Installation And Operating Instructions Manual

Installation instructions

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 TR3500TOR 5 T only:
Mounting (2 screws, 2 wall plugs)
4 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:
• Undersink appliances with additional drip stop function and
pressure stop TR3500TO 5 T and TR3500TOR 5 T
• Oversink appliances TR2500TO 5 B
Preparations for installation (Fig. 1)
• Shut off the water supply before connecting the appliance.
Do not insert the mains plug.
• Remove the installation bracket on the appliance and break off the
retaining rings (A).
• Fix the connection cable to the rear of the appliance to suit the
required length (B).
2.3

Wall mounting

Undersink appliances TR3500TOR 5 T and TR3500TO 5 T
(Fig. 2)
• Align the appliance on the wall and use the three indents (top, left and
right on the appliance) to apply markings (A).
• Connect the markings by a pattern of crossed lines with a spirit level
(B1 and B2).
• Place the installation bracket on top at the point of intersection of the
drawn lines and mark the position for the holes (C).
• Drill the holes and insert wall plugs (D1).
• Attach the installation bracket (notch at top) to the wall using the
screws (D2).
• Suspend the appliance in the installation bracket (D3).
Exchanging appliances (Fig. 3)
• When replacing an old small water heater with this new appliance, the
existing drill holes with wall plugs can be used. Please note that the
new appliance is approx. 2 cm higher.
If the new appliance is to be flush at the top like the old appliance (E1):
• Attach the new installation bracket to the wall with the notches at
the top.
If the new appliance is to be flush at the bottom like the old
appliance (E2):
8
• Turn the installation bracket around and attach to the wall with
the notches at the bottom.
Oversink appliances TR2500TO 5 B (Fig. 4)
• Align the appliance on the wall and use the three indents (top, left and
right on the appliance) to apply markings (F).
• Connect the markings to a pattern of crossed lines with a spirit level
(G1 and G2).
• Place the installation bracket on top at the point of intersection of the
drawn lines and mark the position for the holes (H).
• Drill the holes and insert wall plugs (I1).
• Attach the installation bracket (notch at top) to the wall using the
screws (I2).
Exchanging appliances (Fig. 5)
When replacing an old small water heater with this new appliance, the ex-
isting drill holes with wall plugs can be used. Please note that the new ap-
pliance is approx. 2 cm higher.
• Turn the installation bracket around and attach to the wall with the
notches at the bottom (J).
2.4

Water connection

CAUTION:
Caution!
The existing fitting may not be covered with scaling.
• Do not grease the thread!
Info: Replacement for damaged threaded nozzles available from
customer service.
Undersink appliances TR3500TO 5 T and TR3500TOR 5 T
(Fig. 6)
• Fit the taps if required (A1 and A2).
• Insert the seals (B1).
• Ensure the axial fit of the connection pipes in the nozzles.
• Place the union nuts on the thread and tighten them by hand (B2).
• Tighten the screw fitting (C). Counter the threaded nozzles on the
warm water heater with a wrench
• After the unit has been used to heat water a few times, retighten the
screw fitting.
Oversink appliances TR2500TO 5 B (Fig. 7)
• Install the mixer if required (D1 to D3).
• Insert the pipe connections to the mixer with seals (E). Ensure the
axial fit of the connection pipes in the nozzles.
• Insert the seals on the pipe connection (F1).
• Suspend the appliance (G).
• Place the union nut (F2) on the thread and tighten it by hand.
• Tighten the screw fittings (H1 and H2). Counter the threaded nozzles
on the warm water heater with a wrench (H1).
2.5

First start-up

2.5.1

Electrical connection

• Important: Do not insert the plug into the mains socket yet.
• Fill the appliance with water first. Water must flow from the fitting.
• Only then insert the plug into the mains socket.
Note: If the appliance is not filled with water, the resettable safety
temperature limitation will trip!
2.5.2

Checking the heating

• Turn the rotary selector switch to "3" (approx. 85 °C).
TR2500T | TR3500T – 6 720 876 005 (2018/04)