8.2.
External Outdoor Sensor (Optional):
Connect the sensor to the relevant terminal. The length of electric cable for external sensor
connection is max. 25 m. A 2x1.5 cable should be used. The sensor must not be exposed to the morning
sun and if possible, to direct sunlight. Since the values to be read by the sensor will be affected, it must
not be mounted close to any window, door, vent hole and heat sources.
Unsuitable places to mount external sensor:
9. STACK CONNECTIONS
1. Horizontal stack extensions must be connected to boiler at 1.5°-3° angle in order to drain
condensing fluid.
2. Stack setup must be according to local ventilation conditions.
3. Stack connections must be leak proof.
14.12.2021 Rev. 03
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