89
MYDENS
COSMOGAS
8 - MAINTENANCE
1 - Electric connections board
2 - Master switch
3 - DHW temperature sensor (1002) *
4 - Diverter valve
5 - Fan
6 - Gas valve
7 - Spark generator
8 - Pump
9 - Detection electrode
10 - Control board
11 - Display
12 - Return temperature sensor (1007)
13 - Flue gas temperature sensor (1006)
14 - Water pressure sensor (1033)
15 - Water flow sensor (1062)
16 - Double supply temperature sensor
17 - Flue gas temperature fuse
18 - Primary heat exchanger temperature fuse
19 - System fill solenoid valve
20 - Slave appliance BUS
21 - Cascade temperature sensorsensor (1015)
22 - Master appliance BUS
23 - Ambient thermostat (TA)/ CR04 remote control/
Cosmobit
24 - 0-10 VDC communication
25 - Outdoor temperature sensor (SE)
26 - Tank temperature sensor (SB) (1002) **
27 - Alarm output/ Automatic fill
28 - External pump
29 - External diverter valve
30 - Line
31 - Neutral
* Not present with tank
** Only with tank
a
WARNING!!! To facilitate consultation, K
references are given in the wiring diagram
followed by a number (see example above) to
identify the correct follow-on of the cables on
the next page.