Unigas HP60, Руководство пользователя

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23 MAINTENANCE MANUAL
LEGEND cod. 05-483 rev.3
BP - Pump motor remote contactor coil
BV - Fan motor remote contactor coil
CAP - Pump motor auxiliary contacts contactor
CM - Manual operation switch 0) off 1) gas 2) light oil
CP - Pump motor contactor
CR1/2 - Relay contacts
CTP - Pump motor overload contacts
CTV - Fan motor contacts
CV - Fan motor contactor
EV1 - Gas electro-valve upstream DUNGS DMV..
EV2 - Gas electro-valve downstream DUNGS DMV..
EVG1-EVG2 - Light oil electro-valve inlet
EVG3-EVG4 - Light oil electro-valve return
F - Fuses
FC - UV flame detector
IG - Main 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
LEVG - Indicator light for opening of electro-valves light oil
LFL1.322 - LANDIS flame monitor device
LPGMIN - Indicator light for presence of gas in the network
LS - Indicator light for burner in stand-by (STAND-BY)
LSPG - Indicator light for leakage of valves
LT - Indicator light for fan overload tripped
LTA - Ignition transformer indicator light
MA - Supply terminal block
MC - Terminal block for connection of burner components
MP - Pump motor
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
POMAX - High light oil pressure switch
POMIN - Low light oil pressure switch
PS - Lockout reset button
R1/2 - Auxiliary relay
SQL33 - LANDIS servo control for air damper
ST - Series 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)
TP - Pump motor thermal
TV - Fan motor thermal
VPS504 - Dungs valve leakage monitor device (where supplied, remove the bridge
between terminal 177 and 178 in terminal block MC)
SERVO CONTROL CAMS
Y1
- High flame
Y2 - Start-up and Ignition gas or light oil flame
Y3 - Low flame
WARNING :
1 - Electrical supply 400V 50Hz 3N a.c.
2 - Do not reverset phase with neutral
3 - Ensure burner is properly earthed
ELECTRICAL DIAGRAM (code 05-483 Rev.03)