Unigas C85A - Page 88

Terminal
group
Connection symbol
Inpu
t
Outpu
t
Description of connection termi- nals
Electrical rating
X3-01
PIN1 x Fan motor contactor
A
C 230 V +10 % / -15 %, 50...60
Hz
,
1 A
,
cos.0.4
PIN2 x
A
larm
A
C 230 V +10 % / -15 %, 50...60
Hz
,
1 A
,
cos.0.4
X3-02
PIN1 x
A
ir pressure switch (LP)
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 1.5 m
A
PIN2 x Power signal for air pressure switch (LP)
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 500 m
A
X3-03
PIN1 x End switch burner flange
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 5
A
PIN2 x Power signal for end switch burner flange
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 5
A
X3-04
PIN1 x Safety loop
A
C 230 V +10 % / -15 %, 50...60
Hz, Imax 5
A
PIN2 x Power signal for safety loop
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 5
A
PIN3 x Protective earth (PE)
PIN4 x Supply voltage neutral conductor (N)
PIN5 x Supply voltage live conductor (L)
A
C 230 V +10 % / -15 %, 50...60
Hz, fuse 6.3 AT (DIN EN 60 127
2/5)
X4-01
Fuel selection “internal” if pin 1-2 is not
used
PIN1 x Fuel selection gas
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 1.5 m
A
PIN2 x Fuel selection oil
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 1.5 m
A
PIN3 x
Fan contactor contact (FCC) or flue gas
recirculation pressure switch
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 1.5 m
A
PIN4 x Reset / manual lockout
A
C 230 V +10 % / -15 %, 50...60
Hz
,
Imax 1.5 m
A
X4-02
PIN1 x Protective earth (PE)
PIN2 x Neutral conductor (N)
PIN3 x Ignition
A
C 230 V +10 % / -15 %, 50...60
Hz, 2 A, cos.0.2
X4-03
PIN1 x Protective earth (PE)
PIN2 x Neutral conductor (N)
PIN3 x Start signal or pressure switch relief (air
pressure switch test valve)
A
C 230 V +10 % / -15 %, 50...60 Hz,
0.5 A, cos.0.4