Vaillant ecoTEC plus 418 - Page 97

d. 7
Warm start temperature target value
(when accessories are fitted) Storage
temperature target value (system boiler
only)
in °C, 40 to 65°C in °C, 15°C for left
stop, then 40 to 70°C
d. 8
External controls heat demand
(terminals 3-4)
0 = open (no heat request) 1 = closed
(heat request)
d. 9
Flow target temperature from external
analogue regulator to terminal
7-8-9/eBUS
in °C, minimum from ext. eBUS target
value and target value terminal 7
d.10
Status internal heating pump
1 = on, 0 = off
d.11
Status external heating pump
1 to 100 = on, 0 = off
d.12
Cylinder charging pump (via accessory
module)
1 to 100 = on, 0 = off
d.13
Hot water circulation pump (via
accessory module)
1 to 100 = on, 0 = off
d.22
Hot water demand
1 = on, 0 = off
d.23
Summer/Winter function
1 = Winter, 0 = Summer
d.25
Hot water activation via eBUS Control
1 = yes, 0 = no
d.30
Control signal for both gas valves
1 = on, 0 = off
d.33
Fan speed target value
in rpm/10
d.34
Fan speed actual value
in rpm/10
d.35
Position of diverter valve (when
accessories are fitted)
0 = Heating; 100 = Hot water; 40 =
Centre position
d.36
Hot water flow sensor
in l/min
d.40
Flow temperature Actual value
in °C
d.41
Return temperature Actual value
in °C
d.44
Digitised ionisation potential
Display range of 0 to 102, > 80 no
flame, < 40 even flame