Servicing
32
10.9
Boiler Electrical Wiring
10.9.1
Main components of boiler electrical equipment
Fig.
№
. 15
10.9.2
Connection of the higher-level regulation and external boiler sensors
Fig.
№
. 16
Terminal for a boiler
Outside sensor 10 k
Ω
THERMOSTAT
Opentherm
thermostat
sensor TV 10 k
Ω
(option K4G 3)
flue gas
temperature sensor
exchanger sensor
emergency
thermostat
output water sensor
NORDGAS
TPO1BH1REV
fan FIME
PX 118 - K4GXH24XX
PX 128 - K4GXH33XX
Hydroblock OTMA options
combination
electrode
sensor TV (option K4G2)
NORDGAS
TPO2BHIREV
Option K4G1
- pump: Wilo
connector
- pressure gauge
sensor: Lumberg
Option K4G2
- pump: Wilo connector
- pressure gauge sensor: Lumberg
- flow switch: 2 x 6,3
- three-way valve: 3 x 6,3
- exchanger 14 plates - K4GXH24XX
exchanger 18 plates - K4GXH33XX
Option K4G3
- pump: Wilo connector
- pressure gauge sensor:
Lumberg
- three-way valve: 3 x 6,3
gas valve Honeywell
VK8025VE1003B
NEXSYS S4962V3224
output water sensor
NORDGAS
TPO1BH1REV
exchanger ISOTHERMIC
3+1 - K4GXH24XX
4+1 - K4GXH33XX
Venturi tube
45900444B - 003B - K4GXH24XX
45900444B - 002B - K4GXH33XX
BTr
Room thermostat
B3
Hot water sensor (TV)
B9
Outdoor sensor
A6
Room device OPENTHERM