41
4
SYSTEMA EOLO RT rev. 09ENIT04052021
ELECTRICAL CONNECTION
APPLIANCES WITH TWO FANS AND THREE-PHASE AC ASYNCHRONOUS MOTORS
Connection to motherboard
SCP674V130A1
POWER SUPPLY
3N/PE~50Hz 400V
Fig. 4.11 Electrical connection of two fans with soft-start
Please note
For the complete wiring of the appliance see also paragraphs 4.1.3 to 4.1.9.
Legend gs. 4.10 and 4.11
F-M1 = Fan magnetothermic protection
F-M2 = Second fan magnetothermic protection HKF1 =
Overload and maximum thermal release
current for the fan motor
HKF2 = Overload and overcurrent thermal release for the
second fan motor
M3f-1 = Three-phase centrifugal fan motor
M3f-2 = Second three-phase centrifugal fan motor MS1 =
Free opening mechanism
MS2 = Free opening mechanism for the second fan
PSR1 = Soft-start fan motor starter
PSR2 = Soft-start starter for the second fan motor
SG = General switch (see g. 4.1 on page 33) Ts = Safety
thermostat with automatic reset
XS = Power line terminal board located in the burner hou-
sing
To Next Page
Loading...