Dhw Cylinder Temperature Sensor Tw1; Diverter Valve Vw1 - Bosch Compress 3400i AWS Installation Manual
Indoor unit for air to water heat pump
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- Installation manual (24 pages) ,
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Installation of accessories
2)
Time
3)
Tap consumption (l/min)
1 shower
4)
Total consumption volume (l)
5)
Possible tank volume (l)
2 shower
4)
Total consumption volume (l)
5)
Possible tank volume (l)
4 shower
4)
Total consumption volume (l)
5)
Possible tank volume (l)
1) DHW set to 60 °C and inlet temperature 15 °C
2) Time per shower
3) Maximum tap flow
4) Maximum volume of water consumed during a shower for one time period and type of tap flow
5) Optimized cylinder volume to the domestic hot water consumption profile
The coil area of the DHW tank must be ≥ 2 m
9.5
DHW cylinder temperature sensor TW1
When a DHW cylinder is installed, a temperature sensor TW1 must be
connected to the system.
▶ Connect the hot water temperature sensor TW1 to terminal TW1 on
the installer module in the indoor unit.
9.6
Diverter valve VW1
System solutions with a domestic hot water cylinder require a diverter
valve (VW1). Connect the diverter valve VW1 on the installer module in
the indoor unit to terminal VW1 (fig. 20).
Fig. 20 Connection of the diverter valve VW1 on the installer module
N
Y
L
Fig. 21 Molex plug
24
5 minutes
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2
.
0010025633-002
2
6
3
DHW output for CS3400iAWS 6-10 OR-S
10 minutes
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The 3-way diverter valve has a Molex plug in which only terminals 2, 3
and 6 are assigned.
Make the following connections on the installer module:
▶ N – Connection to terminal N, VW1 on the installer module
▶ Y – Connection to terminal 53, VW1 on the installer module
▶ L – Connection to terminal 54, VW1 on the installer module
Fig. 22 Hydraulic for diverter valve TW1
[A]
Return from domestic hot water cylinder
[B]
Return from heating system (or buffer cylinder)
[AB] Flow from the indoor unit
Fig. 23 Contact closed, connection A open
During domestic hot water heating, the contact is closed and connection
A is open.
1)
20 minutes
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5
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800
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600
001002031-002
Compress 3400i AWS – 6721852066 (2023/01)
15
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1000
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