Bosch 7736504686, Installation And Operating Instructions Manual

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Specifications
TR1100 – 6 720 876 016 (2018/07) 14
Electrical connection (Fig. 6)
• As a matter of principle, the water connections must be completed
first of all before the heater is connected to the electricity supply
(400 V AC, 3-phase). The appliance should be wired up according
to the circuit diagram on the inside of the cover.
• To guarantee compliance to relevant safety regulations, an all-pole
separator must be fitted during installation. The contact opening
must be at least 3 mm.
• Terminal BZ45Z20M (special accessories) can be used
if the connecting cable is fed into the heater via one of the bottom
holes
14a !
• The wires must not interfere with the operation of release button A
on the safety temperature limiter.
Installation note
• The installation of non plug-in ready appliances must be undertaken
by the respective utility operator or by a qualified specialist company,
who can also assist you when you are requesting the approval of
the utility company for installation of the appliance.
Mounting the cover onto the heater (Fig. 7)
• When you mount the cover onto the heater, ensure that the switch
knob and the switch spindle are correctly aligned.
Startup (Fig. 8)
The device is compliant to IEC 61000-3-12.
• Switch on via the water heater fuses in the domestic wiring.
• Select Setting
"comfort" on the appliance and check the water
temperature.
At a low water-pipe pressure
• Turn on additional cold-water taps and check whether the heater
switches on. Remove the continuous-flow heater if the heater does
not switch on (
Fig. A ).
• Explain the appliance to the user and please give him the operating
instructions.
Priority switch for combination with electric storage heaters
(Fig. B)
If the heater is going to be operated in this way, a priority switch must
be connected into the line connecting the L2 phase to the appliance.
It should be mounted on the meter or distribution panel.
3 Specifications
* The pressure loss on the mixer must also be added.
Dimensions (Fig. 9)
a, b Control line for the electricity supply company connected
to the coil input on the charging contactor
f1 Safety temperature limiter with mains terminals
f3 Priority switch (current relay)
l1 Mains terminal (only on 21 kW and 24 kW appliances)
TR1100 18B TR1100 21 B TR1100 24 B
Rated power [kW] 18 21 24
Rated voltage 400 V 3 ~ 400 V 3 ~ 400 V 3 ~
Heating capacity – economy setting "eco" [kW]
1st stage
2nd stage
6
12
7
14
8
16
Heating capacity – intensive setting "comfort" [kW]
1st stage
2nd stage
9
18
10.5
21
12
24
Switch-on point [l/min]
1st stage
2nd stage
4.0
5.0
4.5
5.8
5.0
6.6
Mixed water [I/min] at rated power
approx. 38 °C
approx. 50 °C (supply temperature 12 °C)
9.8
6.7
11.5
7.8
13.1
9.0
Minimum flow pressure of appliance* [MPa (bar)]
with flow limiter
without flow limiter
0.6 (6)
0.4 (4)
0.8 (8)
0.5 (5)
0.9 (9)
0.6 (6)
Energy efficiency class B B B
Load profile S S S
Annual energy consumption [kWh] 495 497 501
Daily energy consumption [kWh] 2.301 2.313 2.337
Sound power level [dB] 15 15 15
Hot water heating energy efficiency [%] 37.2 37.1 36.8