Atag XL75W - Temperature Sensors

48
Installation
Electrical connection
Temperature sensors
&RPPRQÀRZVHQVRU
:KHQD&RPPRQÀRZVHQVRULVXVHG
(for cascade mandatory) it should be
addressed on MTS1.
DHW Tank Setting
There are several schemes for hot
water preparations see pages 45 - 47.
Flue gas Sensor
6HQVRUVFDQDOVREHXVHGDVÀXHJDV
sensor. With a setting for max temp
DQGV\VWHPKDVWRVZLWFKRႇRUDVHW
temp where system has to reduce the
power.
Weather dependent regulation
When WDR is used an outdoor
sensor is needed. Keep in account
this is a 1K sensor.
This control setting has to be
selected and is not auto detect.
Basis DHW preparation
For basic DHW preparation there
is a dedicated Tank sensor. For the
other regulations the tank sensor is
the Top Sensor. Take in account
this is a 10K sensor.
5VNTC 5VNTC 5VNTC
MTS1 (T10) MTS2 MTS3
Input Input Input
5VNTC
NTC 7
(outd. sensor)
Input
5VNTC
NTC 3 (DHW/
Tank sensor)
Input