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AMBERAIR COMPACT CX V v2019.04
X46
1
N(L2)
230VAC Power supply for X44 and X45
2
N(L1)
3
PE
X47
1
+24VDC
Connection with MCB-X7
2
+3,3VDC
3
GND
4
I2C_SDA
5
I2C_SCL
5.9.4. ELECTRICAL DIANGRAMS AND ABBREVIATION IN ELECTRICAL CIRCUIT DIAGRAMS
ABBREVIATION EXPLANATION
ABBREVIATION
EXPLANATION
CB
Control board
System mode switch System mode switch (START/STOP)
UC
Components to be connected by the user
Fan speed switch
Fan speed switch (BOOST)
N1
MCB control board
M4
Water heater circulation pump
N2
EX1 control board
M6
Water heating indicator output 0-10VDC
N3
EX2 control board
T1
Water heater protection thermostat
Q5
Electrical pre-heater power supply circuit breaker
T2
Cooling switching thermostat
K3
Electrical pre-heater contact
TV
Water heater temperature sensor
PE1
Electric pre-heater
M12
Water heater control output 0-10VDC
A1
Fire alarm damper actuator I (supply air)
TV2
Water heater temperature sensor
A2
Fire alarm damper actuator I (exhaust air)
M16
Water heater circulation pump
K5
Fire alarm damper I open
TV3
Water cooler temperature sensor
K6
Fire alarm damper I closed
M13
Water cooler control output 0-10VDC
K7
Fire alarm damper II open
M14
Water cooler circulation pump
K8
Fire alarm damper II closed
M15
DX cooler control output 0-10VDC
M2
Supply air damper
K4
DX cooler error
M3
Exhaust air damper
X40 [1:2]
DX cooler reserve mode (NO – cooling / NC – heat-
ing)
FA
Fire alarm
X41 [1:2]
DX cooler power supply
FPP
Fireplace protection
Transmitter1
Exhaust air RH sensor
START
Operation indicator
Transmitter2
Exhaust air CO
2
sensor
START
Warning indicator