Viessmann EA1 - Connecting a Circulation Pump or Fault Facility

12
Group C:
■ Circulation pump for swimming pool
heating
L1
N
M
1~
C
D
A
B
L
N
L
N
fÖ
S
P
aBJ
Ö
f-]
A
A
Circulation pump for swimming
pool heating (accessories)
B
3-way diverter valve "swimming
pool" (zero volt: Charging the heat-
ing water buffer cylinder)
C
Junction box (on site)
D
Fuse and contactor for circulation
pump for swimming pool heating
(accessories)
Rated voltage: 230 V~
Rated current (max): 2 (1) A~
Recommended connecting cable:
H05VV-F3G 0.75 mm
2
or
H05RN-F3G 0.75 mm
2
Function assignment
Select the function of output aBJ:
■ Group A: Coding address 36
■ Group B: Coding address 5C
■ Group C: Parameter 7010
■ Group D: Parameter 41 (General
group)
Feed pump
Demand from a heating circuit control
unit connected via LON starts the feed
pump.
Connecting a circulation pump or a fault…
(cont.)
5443233