Unical Lattner ALKON 50 - Wiring Diagram for ALKON 50

32
Instructions for the installer
3.22 - WIRING DIAGRAM for ALKON 50
MDV = Motor 3 way valve
P SYST. = Pump system
SS = DHW sensor
Note: Any accessories shown in the drawn
are not available for this model of boiler
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation.
21
ORANGE +
BLACK (-)
BROWN (PWM)
BLUE (TACHO)
45
BLUE (N)
12
BROWN (L1)
3
RIL./REG.
ALIM.
120V
SRR
SR
BROWN
BROWN
BLUE
YELL/GREEN
E. RIV.
WHITE
BLACK
DK
BROWN
BLUE
BLUE
BLUE
BROWN
Fs1
BLACK
BLUE
BROWN
ORANGE
P
BLUE
BROWN
YELL-GREEN
GREEN
GREEN
WHITE
WHITE
WHITE
BROWN
BLUE
BROWN
GREEN
RED (CH)
WHITE (DHW)
IG
VM
L1
N
120 V - 60 Hz
SS
MDV
00333986
BLUE - N BROWN - L
E. ACC
TR. ACC
BLUE
BROWN
RED
YEL
/
GREEN
VG
YEL/GREEN
OR
Only with
BROWN
BLUE
BLACK
WHITE
TL
TF
B
L
A
C
K
BLUE
PF
BLUE
CDS-1
YELL-GREEN
BROWN BLUE
P
BOILER
SYSTEM
P
1 (NC)
BROWN
3 ( C ) WHITE
BLUE
= Minimum water pressure switch
= Ignition electrode
= Detection electrode
= Power switch On-Off
= Pump boiler (optional)
= CH sensor
= CH return sensor
= Limit thermostat
= Smoke thermostat (only pre-arran
g
ement)
= Ignition transformer
= Gas valve
= Modulating fan detection/adjustment
DK
E. ACC
E. RIV.
IG
P
SR
SRR
TL
TF
TR.ACC
VG
VM
CSD - 1
Prearrangement for the
connection of the
additional safety devices