Unigas PG70, Manual Of Installation - Use - Maintenance

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CIB UNIGAS - M039191CA
During the time the cause of fault is diagnosed, the control outputs are
deactivated.
z
Burner remains shut down
z
Fault status signal «AL» at terminal 10 is activated
The diagnosis o f the cause of fault is quit and th e burner switched on
again by resetting the burner control.
Press lock-out reset button for about 1 second (< 3 seconds).
Connection diagram and internal diagram
Control sequence
Key
AL Alarm device
kbr... Cable link (required only when no oil pre-heater is used)
BV... Fuel valve
EK1 Lock-out reset button
EK2 Remote lock-out reset button
FS
Flame signal
FSV Flame signal amplifier
K...
Contacts of control relay
LED 3-colour signal lamps
M
Burner motor
OW Release contact of oil pre-heater
t1
Pre-purge time
t3 Pre-ignition time
t3n Post-ignition time
A´ Beginning of start-up sequence with burners using an oil pre-
heater
A Beginning of start-up sequence with burners using no oil pre-
heater
Controller output signals
Required input signals
OH Oil pre-heater
QRB Photoresistive detector
QRC Blue-flame detector
bl = blue
br = brown
sw = black
R
Control thermostat or pressurestat
SB Safety limit thermostat
Si External primary fuse
W Limit thermostat or pressure switch
Z Ignition transformer
t4 Interval from flame signal to release «BV2»
TSA Ignition safety time
tw
Waiting time for oil pre-heating
B Time of flame establishment
C Operating position
D Controlled shut-down by «R»
µC1 Microcontroller 1
µC2 Microcontroller 2
General unit data
Mains voltage AC 230 V +10 % / -15 %
AC 110 V +10 % / -15 %
Mains frequency 50...60 Hz ±6 %
External primary fuse (Si) 5 A (slow)
Power consumption 12 VA
Mounting orientation optional
Weight approx. 200 g
Degree of protection IP 40
Perm. cable lengths max. 3 m at a line capacitance of 100 pF/
m
Detector cable laid separately 20 m
Remote reset
20m
Max perm. amperage at cos
ϕ≥
0.6
Terminal 1 5 A
Terminals 3 and 8 5 A
Terminals 4, 5, 6 and 10 1 A
Flame supervision with QRB and QRC
QRB QRC
Min. detector current required (with flame) 45 µA 70 µA
Min detector current permitted (without flame) 5.5 µA 5.5 µA
Max. possible with flame (tipically)
100 µA 100 µA
Measurement circuit for detector current
Key
µA DC DC microamperometer with an internal
resistance of 5 k
Ω
max.
bl Blue
sw Black
br Brown
1
2 6
7
4 5 10 11 12
W
SB
R
L
N
M
Z BV1
AL
Si
8 3
O W
O H
N
8
3
Q R B
Q R C
br
bl sw 1
7130a02e/0700
9
EK2
EK1
µC control
K1
K2
K3
K4
BV2
LED
kbr
FSV
µC 2 µC 1
R
W
SB
O H
O W
M
Z
BV2
FS
A ´ A B C D
1
8
3
3
6
5
11
12
t1
t3
t3n
TSA
tw
Z
FS
6
11
12 7130d03e/0700
t3n t3n
BV1
4
12
11 LMO...
bl
µA DC
+
QRB...
7130v01/0700
sw
12 11 LMO... 1
sw bl
br
µA DC
+
QRC1...
7130v02/0700