15
1
4
Fig.3. Air supply system (the photo shows a 20 kW rated boiler).
Connecting power supply
The boiler is connected to the power supply network by inserting one end of
the power supply cord (delivered with the boiler) to the electric power supply
receptacle
(Fig. 4). The other end, terminated with the power plug must
be inserted into an outlet of the electric power supply installation.
In case of a damage to the power supply cord, replace it with a cord
of the same type.
Connecting central heating circulating pump
This operation shall be performed by a person with necessary
qualifications to perform electric installation works.
Connect the circulating pump to
(Fig. 4.) socket, identified as
“
POMPA co”
using a cable with cross-section of at least 3x0.75mm
2
using
suitable socket (included).
A
C
A. Blower
B. Connecting cable
C. Tech ST-81 controller
B
