Installation Instructions

Diagrams 11
Instructions for installation and servicing aquaPLUS VUI 362-7 49
11 Diagrams
11.1 Functional Flow diagram: aquaPLUS VUI 362-7
POWER SUPPLY
F2A
L
2
N
1
MAIN SWITCH
MAIN
TRANSFORMER
230V
20V
AIR
PRESSURE
SWITCH
FAN
PUMP
NTC FLOW
TEMPERATURE
SENSOR
FLAME
SENSOR
GAS
VALV E
DHW
Aqua
Sensor
F1,25A
NTC RETURN
TEMPERATURE
SENSOR
Burner lock out
indicator
Hot water
demand indicator
Ignition indicator
MAIN SWITCHBOARD
IGNITION
ELECTRODES
Legend
b blue
br brown
y/g yellow/green
r red
p pink
or orange
t transparent
bl black
gr grey
w white
gr
b
br
y/g
bbr
y/g
br
t
w
p
t
br
br
r
b
br
y/g
gr
p
p
r
CONTROL BOX
DIVERTER
VALV E
bl
bl
bl
bl
NTC
TANK
TEMPERATURE
SENSOR
or
plug in
connector
plus / minus buttons
reset button
info button
Hot water
demand indicator
vi violet
NTC
DHW
TEMPERATURE
SENSOR
vi
DHW
PUMP
b br y/g
Central heating
demand indicator
r
bl
b
gr
Fig. 11.1: Functional Flow diagram VUI 362-7