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11
KOMFORT EC S/SB(-E) S11
DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY ELECTRIC INSTALLATION OPERATIONS.
INSTALLATION SHALL ONLY BE PERFORMED BY A PROFESSIONAL ELECTRICIAN QUALIFIED FOR
UNASSISTED OPERATIONS WITH ELECTRICAL INSTALLATIONS UP TO 1000 V AFTER CAREFUL STUDY
OF THE PRESENT USER’S MANUAL.
THE RATED ELECTRICAL PARAMETERS ARE STATED ON THE RATING PLATE. ANY TAMPERING WITH
THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY.
The unit is rated for connection to a single-phase ac 230 V / 50–60 Hz. The unit shall be connected to power supply by means of insulated, durable
and thermal-resistant cords (cable, wires). Connect the unit to power mains using the pre-wired power cord with the Euro Plug XP. Connection is made
through the external automatic circuit breaker with magnetic trip integrated into the fixed wiring system. The rated current of the circuit breaker must
not be below the unit current consumption, refer to the Technical data. The external circuit breaker position must ensure unhampered access for
emergency shutdown of the unit.
Connect the cables to the control unit using the electric lead-ins on the top of the unit and make the electric connections through the terminal block
X1, located in the control unit, in compliance with the external connections wiring diagram.
Access to the control board of the control unit
External connection wiring diagram
14
15
16
17
A
E+
Gnd
Out
13
B
12
Gnd
11
+12V
10
no
9
c
8
no
7
6
5
c
3
PE
2
N
1
L
L
SM1
L
N
SM2
L
2 1
2 1
2 1
N
ССU
(no-contact)
B
A
+12V
Gnd
P1
PK1
Gnd
Out
E+
TE1
Power input
230 VAC
t 0C
Х1
4
L
L N
L
N
— ELECTRIC SHOCK HAZARD!
Design.
Description
Type
Wire**
CCU*
DX cooler
N0
2x0,75 mm
2
(5/64”x1/86”)
SM1*
Supply air damper actuator
LF230
2x0,75 mm
2
(5/64”x1/86”)
SM2*
Exhaust air damper actuator
LF230
2x0,75 mm
2
(5/64”x1/86”)
PK1*
Contact from fire alarm panel
N0
2x0,75 mm
2
(5/64”x1/86”)
P1
Control panel
TE1
Outdoor temperature sensor
* is not included in the delivery.
** Maximum connecting cable length is 20 m!
WARNING! The EVH pre-heater must be connected to power supply prior to connection of the air handling unit!
If the electric heater is not available in the air handling unit while its connection to power supply, the control panel displays DI1 and DI3 errors. To
troubleshoot the errors disconnect the unit from power supply, connect the heater and turn the unit on.
CONNECTION TO POWER MAINS
