Supplied By www.heating spares.co Tel. 0161 620 6677
11 Diagrams
Instructions for Installation and Servicing turboMAX plus and thermoCOMPACT R1
48
11.1 Functional Flow diagram: turboMAX plus 824/2 E, 828/2 E, 837 E
Fig. 11.1: Functional Flow diagram VUW
POWER SUPPLY
F2A
L
2
N
1
MAIN SWITCH
MAIN
TRANSFORMER
230V
20V
AIR
PRESSURE
SWITCH
PUMP
NTC FLOW
TEMPERATURE
SENSOR
FLAME
SENSOR
GAS
VALVE
DHW
Aqua
Sensor
F1,25A
NTC RETURN
TEMPERATURE
SENSOR
Burner lock out
indicator (red)
Hot water/warmstart
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
r
bl
b
gr
br
y/g
b
br
y/g
br
t
w
p
t
br
br
r
b
br
y/g
gr
p
p
r
CONTROL BOX
DIVERTER
VALVE
bl
bl
bl
bl
NTC
WARMSTART
TEMPERATURE
SENSOR
or
plug in
connector
display
plus / minus buttons
reset button
info button
FAN
837 only