Wiring Diagrams - Unigas TP90A Installation, User's, And Maintenance Manual

WIRING DIAGRAMS

BURNERS FITTED WITH PRINTED CIRCUIT
Complete key 21-001/2
CMF MANUAL SWITCH 0)OFF 1)HIGH FLAME 2)LOW FLAME 3)AUTOMATIC
ER FLAME DETECTION ELECTRODE
EV1 GAS ELECTRO-VALVE UPSTREAM (OR VALVES GROUP)
EV2 GAS ELECTRO-VALVE DOWNSTREAM (OR VALVES GROUP)
F1 AUXILIARY FUSE
F2 FAN MOTOR LINE FUSES
F3 LINE FUSE
FC UV FLAME DETECTOR
IG MAINS SWITCH
IL AUXILIARY LINE SWITCH
KA1 AUXILIARY RELAY
KA2 AUXILIARY RELAY
KM1.1 FAN MOTOR CONTACTOR
LAF BURNER IN HIGH FLAME INDICATOR LIGHT
SIEMENS LFL 1.3xx CONTROL BOX
SIEMENS RWF40 BURNER MODULATOR
LB INDICATOR LIGHT FOR BURNER LOCK-OUT
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]
LPGMIN INDICATOR LIGHT FOR PRESENCE OF GAS IN THE NETWORK
LS INDICATOR LIGHT FOR BURNER STAND-BY
LSPG INDICATOR LIGHT FOR LEAKAGE OF VALVES
LT INDICATOR LIGHT FOR FAN OVERLOAD TRIPPED
LTA IGNITION TRANSFORMER INDICATOR LIGHT
MV FAN MOTOR
PA COMBUSTION AIR PRESSURE SWITCH
PGMAX MAXIMUM PRESSURE GAS SWITCH (OPTIONAL)
PGMIN MINIMUM GAS PRESSURE SWITCH
PS LOCK-OUT RESET BUTTON
PT100 TEMPERATURE PROBE
SD-0÷10V TENSION SIGNAL
SD-0/4÷20mA CURRENT SIGNAL
SD-PRESS PRESSURE PROBE
SD-TEMP. TEMPERATURE PROBE
SQL33.03 AIR DAMPER SERVOCONTROL
ST SERIES OF THERMOSTATS OR PRESSURE SWITCHES
STM30/24Q15.51/6 AIR DAMPER SERVO CONTROL (ALTERNATIVE)
TA IGNITION TRANSFORMER
TAB HIGH-LOW THERMOSTAT/PRESSURE SWITCHES (IF FITTED REMOVE THE BRIDGE BETWEEN TERMINALS 6
AND 7 ON TERMINAL BOARD MA)
TC THERMOCOUPLE
TV FAN MOTOR THERMAL
VPS504 GAS PROVING SYSTEM (OPTIONAL)
SERVOCONTROL CAMS
SQL33- STM30/..
Y1 - I High Flame
Y2 - II Stand-by and ignition
3 - III Low Flame
ATTENTION:
1- Power supply 400V 50 Hz, 3N a.c.
2- Don't reverse phase with neutral
3- Ensure burner is properly hearted
CIB UNIGAS - M039177CA
42