CIB UNIGAS - M039168CC
39
REFERENCE ELECTRICAL WIRING DIAGRAMS
COMPLETE KEY
BL
Fan motor remote contactor coil (line)
BS
Fan motor remote contactor coil (star)
BT
Fan motor remote contactor coil (triangle)
CAS
Auxiliary fan motor contactor (star)
CAT
Auxiliary fan motor contactor (triangle)
CL
Fan motor contactor (line)
CMF
Manual switch: 0)off - 1)high flame - 2)low flame - 3)automatic (from TAB)
CR1
Relay contacts
CR1-CR2
Relay contacts
CS
Fan motor contactor (star)
CT
Fan motor contactor (triangle)
CTV
Fan motor overload contacts
EV1
Gas electro-valve upstream (or valves group)
EV2
Gas electro-valve downstream (or valves group)
EVP1-2
Pilot gas electro-valve
F÷F1
Fuses
FC
UV flame detector
IG
Main switch
IL
Auxiliary line switch
L
Phase
LAF
Burner in high flame indicator light
LB
Burner lockout indicator light
LBF
Burner in low flame indicator light
LEV1
Indicator light for opening of electro-valve EV1
LEV2
Indicator light for opening of electro-valve EV2
LEVP
Indicator light for opening of electro-valve EVP...
LFL1.xx
SIEMENS control box
LPG MIN
Indicator light for presence of gas in the network
LPGP
Indicator light for presence of gas in the pilot network
LS
Burner in stand-by indicator light
LSPG
Indicator light for leakage of valves
LT
Indicator light for fan overload tripped
LTA
Ignition transformer lindicator light
MA1
Supply terminal block, plate 1
MA2
Supply terminal block, plate 2
MC1
Terminal block for connection of burner components, plate 1
MC2
Terminal block for connection of burner components, plate 2
MV
Fan motor
N
Neutral
PA
Combustion air pressure switch
PGMAX
High gas pressure switch (where supplied, remove the bridge between terminal 156 and 158 in terminal block MC )
PGMIN
Low gas pressure switch
PGP
Pilot gas pressure switch
PS
Lockout reset button
Pt100
Temperature probe 3 terminals Pt100
R1
Auxiliary relay
RT
Delayed relay for start-up fan motor
RWF40.000 **
SIEMENS modulator
SD-0/4÷20mA
Probe with signal 0÷20mA or 4÷20mA
SD-0÷10V
Probe with signal 0÷20V
SD-PRESS.
Pressure probe with 3 terminals (SIEMENS QBE620p..)
SD-TEMP.
Temperature probe 2 terminals (Pt1000 - SIEMENS QAE2.., QAC2..)
SQM10
SIEMENS Actuator for air damper
ST
Series of thermostats or pressure switches
TA
Ignition transformer
TAB
High/low thermostat (where supplied, remove the bridge between terminals 6 and 7 in terminal block MA)
TC
Connection for termocouple
TM (°)
Fan motor thermal
VPS504
DUNGS gas proving system
ACTUATOR CAMS
I
High flame
II
Stand-by and ignition
III
Low flame
IV
Actuator automatic advance restriction
**
The modulator includes a limit switch (terminals Q13 and Q14), it stops the burner if the work parameter overcomes set differential.
(°) Set the TM overload tripped to an equal value to: Absorption of data plate (Ampere) to triangle / 1.73
WARNING
1 - Electrical supply 400V 50Hz 3N a.c.
2 - Do not reverse phase with neutral
3 - Ensure burner is properly earthed
I