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5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Service Scans
From the home screen tap the following buttons:
1. “Menu”
2. “Service”
3. Enter “viservice” password.
4. “Actuator test”
Display
Explanation
“All actuators”
OFF
All actuators have been switched off.
“Output 20”
ON
Actuator at output
sÖ
A1
“Output 52”
Open
Actuator at output
gS
A1
“Output 52”
Neutral
“Output 52”
Close
“DHW tank primary pump”
ON
Actuator at output
sA
“DHW circ pump”
ON
Actuator at output
sK
“Output 29”
ON
Actuator at output
sL
“Central fault message”
ON
Central fault message facility at output
gÖ
“Htg circ pump HC2”
ON
Actuator at output
sÖ
M2
“Mixing valve HC2”
Open
Actuator at output
gS
M2
Close
“Htg circ pump HC3”
ON
Actuator at output
gS
M3
“Mixing valve HC3”
Open
Actuator at output
gS
M3
Close
Note:
Before an actuator is selected, all actuators are
switched
off.
The actuators listed in the table can be tested at the relay
outputs subject to system equipment level and control
unit configuration (lead control or service control).
“EA1 output 1”
ON
Contact “P - S” on plug
aBJ
of EA1 extension closed.
“AM1 output 1”
ON
Actuator at output A1
“AM1 output 2”
ON
Actuator at output A2
“Solar circuit pump”
ON
“Solar circuit pump” On Solar circuit pump at output
sF
at solar control
module, type SM1
“Solar circ pump min”
ON
“Solar circ pump min” On Solar circuit pump at output
sF
at solar control
module, type SM1 set to min. speed.
“Solar circ pump max”
ON
“Solar circ pump min” On Solar circuit pump at output
sF
at solar control
module, type SM1 set to max. speed.
“SM1 output 22”
ON
Actuator at output sS at solar control module type SM1
The supply temperature must rise when the mixing valve
opens. If the temperature drops, either the motor is
turning in the wrong direction or the mixing valve set is
incorrectly fitted (observe the mixing valve installation
instructions).
Information regarding the mixing valve motor rotational
direction.
Carrying Out an Actuator Test
