Electrical hookup
Installation manual – Expansion kit
15
3
3.2
TEMPERATURE SENSOR CONNECTION
Figure 3�2
Temperature sensor connection diagram (NTC 10k - Beta 3977) to AVS55.196
A
Grey connector X152 (right edge of AVS55.196
board)
B12 NTC 10k Beta 3977 temperature sensor
Use of temperature sensors
B12 Only if heating circuit 2 is mixed
Use shielded cable
2 x 0.5 mm² up to 40 m
2 x 0.75 mm² up to 60 m
2 x 1.0 mm² up to 80 m
2 x 1.5 mm² up to 120 m
3.3
WATER CIRCULATION PUMP CONNECTION
3.3.1
Heating circuit 2 pump connection diagram (if present)
Figure 3�3
Direct or external relay connection of heating circuit 2 pump to AVS55.196
A
Green connector X110 (left edge of AVS55.196 board)
Q6 Heating circuit 2 pump
KC2 Relay
NOTE
With the expansion kit installed, always use this diagram (see NOTE (1) to Table 2.1
p. 13)