Viessmann EM-M1 - Temperature Limiter for Maximum Temperature Limiter (Accessories)

12
Pumps in the underfloor heating circuit (in case of system separation)
1~
M
1~
M
20
LN
A
B
C
sÖ
Fig. 11
sÖ
Plug on mixer extension kit
A
Primary heating circuit pump
B
Temperature limiter
C
Secondary heating circuit pump
(for system separation)
The common power consumption of both pumps must
not exceed 1 A.
Temperature limiter for maximum temperature limiter (accessories)
L N?
1~
M
L N?
C
B
A
Fig. 12
A
Heating circuit pump
B
Temperature limiter
C
Plug
sÖ
on the mixer extension kit
Electromechanical temperature limiter using the liquid
expansion principle
■
Switches the heating circuit pump off when the set
value has been exceeded.
■
The flow temperature is only slowly reduced in this
situation. It may take several hours before the sys-
tem restarts again automatically.
■
Connection: Screw terminals for 1.5 mm
2
Specification
Setting range 30 to 80 °C
Switching differential
■
Immersion thermostat Max. 11 K
■
Contact thermostat Max. 14 K
Installation sequence
Connecting the heating circuit pump (cont.)
5838001
Installation