3-way diverter valve with G 1½ connection
800
0
700
600
500
400
300
200
100
0
Flow rate in m³/h
Pressure drop mbar
kPa
80
70
60
50
40
30
20
10
0
1
2
3
4
5
6
7
8
9
A
B
A
Diverted flow
B
Straight flow
Contact temperature sensor
Part no. 7426463
For capturing the flow temperature of the separate cooling circuit or
the heating circuit without mixer, if it is designed as a cooling circuit.
42
66
60
Secured with a tie.
Specification
Lead length
5.8 m, fully wired
IP rating
IP 32D to EN 60529; ensure through
design/installation.
Sensor type
Viessmann NTC 10 kΩ at 25 °C
Permissible ambient temperature
– Operation
0 to +120 °C
– Storage and transport
–20 to +70 °C
Room temperature sensor for separate cooling circuit
Part no. 7438537
Install in the room to be cooled on an internal wall, opposite radia-
tors/heat sinks. Never install inside shelving units, in recesses, or
immediately adjacent to a door or heat source (e.g. direct sunlight,
fireplace, TV set etc.).
Connect the room temperature sensor to the control unit.
Connection:
■ 2-core lead with a cross-section of 1.5 mm
2
(copper)
■ Lead length from the remote control up to 30 m
■ Never route this lead immediately next to 230/400 V cables.
Installation accessories
(cont.)
VITOCAL
VIESMANN
95
5831388
6
