Checking Outputs (Actuator Test) - Viessmann VITODENS 200-W Installation And Service Instructions Manual

Brief scan
(cont.)
Brief scan
F Stagnation time of the solar thermal system in h
5
F Night-time DHW circulation, solar thermal system (number)
6
F Monitoring of differential temperature, solar thermal system
7
F
8
F Software ver-
sion
9

Checking outputs (actuator test)

1. Press OK and simultaneously for approx. 4 s.
å
" " flashes on the display.
Ü
2. Select " " with and confirm with OK.
Ú
3. Select required actuator (output) with
lowing table):
4. Confirm selected actuator with OK.
The display shows the number for the activated
actuator and "ON".
The following actuators (relay outputs) can be controlled subject to system design:
Display Explanation
0 All actuators are off
1 Burner operates at minimum output; internal pump starts
2 Burner operates at maximum output; internal pump starts
3 Internal output
4 Diverter valve set to heating mode
5 Diverter valve in central position (filling/draining)
6 Diverter valve set to DHW heating
10 Internal extension output active
15 Solar circuit pump output
16 Solar circuit pump output on solar control module SM1 switched to minimum speed
17 Solar circuit pump output on solar control module SM1 switched to maximum speed
18
Output sS
19 Contact P - S at plug
20 Output A1 at AM1 extension active
21 Output A2 at AM1 extension active
22 Internal output
Solar control module SM1
OpenTherm extension (if installed)
DHW heating sta-
tus
/ (see fol-
V v
sÖ (int. pump) is active
sF on solar control module SM1 active
on solar control module SM1 active
of EA1 extension closed
aBJ
active
sK
Diagnosis and service scans
Shown on display
Reheating sup-
pression
0: Inactive
1: Active
External hook-up 0 - 10 V
Display in %
Output 22 switch-
ing state
0: OFF
1: ON
59