Output Control; Flow Temperature Control; Setting The Coding Card; Scope Of Delivery - Bosch Thermotechnik EMS 2 Manual De Instalación

2.2.5

Output control

This control strategy is used when the heating system is controlled using
a building management system with a 0-10 V controller output.
P / %
100
10
1 1,5
Fig. 1 Linear relationship between the 0-10 V signal (U in volts) and
required output P (where 100 % represents maximum output)
2.2.6

Flow temperature control

This control strategy is used when the heating system is controlled using
a building management system with a 0-10 V controller output.
/ %
max
min
1 1,5
Fig. 2 Linear relationship between the 0-10 V signal (U in volts) and
required flow temperature
maximum flow temperature)
The connected heat sources are turned on and off according to the
required flow temperature, as per the module code setting (right).
MC 400
U / V
10
6 720 809 449-21.1O
U / V
10
6 720 809 449-22.1O

(in percent with reference to the
2.3

Setting the coding card

2
1
Fig. 3 Coding card with module status display, and a status display of
the connected heat sources or modules
Coding Module function
0 Off (default factory setting)
1 Serial standard cascade
2 Serial optimised cascade ( Fig. 23, page 85)
3 Serial cascade with peak load coverage
4 Parallel cascade
5 No function
6 External 0-10 V performance control with serial standard cascade
7 External 0-10 V performance control with serial optimised cascade
( Fig. 24, page 86)
8 External 0-10 V flow temperature control with serial standard
cascade
9 External 0-10 V flow temperature control with serial optimised
cascade
10 The module is one of a maximum of 4 lower level MC400 cascade
modules. The higher level cascade module controls the connected
lower level modules corresponding to the code set on them
( Fig. 25, page 86).
Table 2 Coding and function
2.4

Scope of delivery

Fig. 4, page 82:
[1] Module
[2] Bag with strain relief
[3] Installation instructions
2.5

Specifications

The design and operation of this product comply with
European Directives and the supplementary national
requirements. Its conformity is demonstrated by the CE
marking. You can ask for a copy of the declaration of conformity for this
product. For this see the contact address on the back cover of these
instructions.
Specifications
Dimensions (W × H × D)
Maximum conductor cross-section
• 230 V terminal
• Extra-low voltage terminal
Rated voltages
• BUS
• Module mains voltage
• User interface
• Pumps and mixers
Circuit breaker
BUS interface
Power consumption on – standby
Max. output
Table 3
Product details | 13
4
3
S
Y
0
I
6 720 810 538-23.1O
246 × 184 × 61 mm (further
dimensions  Fig. 5, page 82)
2
• 2.5 mm
2
• 1.5 mm
• 15 V DC (reverse-polarity-
protected)
• 230 V AC, 50 Hz
• 15 V DC (reverse-polarity-
protected)
• 230 V AC, 50 Hz
230 V, 5 AT
EMS 2 /EMS plus
< 1 W
1100 W
6 720 809 453 (2014/12)