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Building Technologies CC1N7101en
HVAC Products 27.11.2008
Legend
AGK25... PTC resistor
AL Error message (alarm)
BCI Burner Communication Interface
BV... Fuel valve
CPI Closed Position Indicator
DBR... Wire link
EK Lockout reset button (internal)
EK2 Remote lockout reset button
ION Ionization probe
FS Flame signal
FSV Flame signal amplifier
GP Gas pressure switch
H Main switch
HS Auxiliary contactor, relay
ION Ionization probe
K1...4 Internal relays
KL Low-fire
LK Air damper
LKP Air damper position
LP Air pressure switch
LR Load controller
M Fan motor
MS Synchronous motor
NL Nominal load
NT Power supply
QRA... Flame detector
QRC… Blue-flame detector
bl blue
br brown
sw black
R Control thermostat / pressurestat
RV Gas regulation damper
SA Actuator SQN...
SB Safety limiter
STB Safety limit thermostat
Si External pre-fuse
t Time
W Limit thermostat / pressure switch
Z Ignition transformer
ZV Pilot gas valve
A Start command (switching on by «R»)
B-B´ Interval for establishment of flame
C Operating position of burner reached
C-D Burner operation (generation of heat)
D Controlled shutdown by «R»
• Burner will immediately be shut down
• Burner control will immediately be ready for new startup
I
Cam I actuator
t1 Prepurge time
t1´ Purge time
t3 Preignition time
t3n Postignition time
t4 Interval between ignition «Off» and release of «BV2»
t10 Specified time for air pressure signal
t11 Programmed opening time for actuator «SA»
t12 Programmed closing time for actuator «SA»
t22 2
nd
safety time
TSA Ignition safety time
tw Waiting time
Control signal
Required input signal
Permissible input signal
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