Technical data

ManualsBrandsSaunier Duval ManualsBoilerCombitek F 23 E

22

SCHEMATIC WIRING DIAGRAM

Diagram 29

Sch 242

N

L

P

Ex

EV3

EV1

EV2

TRA

6.14

6.13

6.15

6.11

CTN

SW3

TA

K5

K4

Pr

FL

Ra

FA

Al

6.12

6.9

13.2

13.3

13.1

13.4

14.1

14.2

14.7

14.3

14.4

14.5

14.6

14.8

14.9

6.8

6.6

6.4

6.2

6.3

2.2

2.1

9.1 9.2

8.4 8.3

8.2 8.1

12.1

12.2

P

CN 7

IG - ON/OFF switch

P - Pump

SW3 - Microswitch

K4 - Hight limit thermostat

K5 - Loss of water switch

EV1 - Gas valve modulating coil

TA - Room thermostat (if fitted)

CTN - Boiler thermistor

EV - Gas valve

AL - Ignition unit

FA - Ignition electrode

FL - Flame sense electrode

TRA - Transformer

Pr - Air pressure switch

EX - Fan

- Time clock

SERVICING INSTRUCTIONS