Viessmann Tecto FL2 Aida Guia Del Usuario página 9

3. Electrical connections
The symbol marked on the cabinet (a lightning bolt inside a triangle) indicates that there are
components and wires under the cover containing live voltage.
Only personnel qualified to install and service electrical equipment are permitted to access
Note!
areas that contain live voltage.
Check the voltage and size of the fuse required on the rating plate attached to the cabinet. The supply socket
must be earthed and protected by a 10 A slow fuse. No other appliances may be connected to the same fuse.
All electrical connections must be carried out by approved and qualified
personnel and comply with all IEE and local regulations, failure to do this could
Note!
result in personal or fatal injury
3.1. Plug-in cabinets
3.1.1. Accessing electrical enclosure
The electrical enclosure is mounted on the inside of the cabinet's right hand side panel (when viewed from behind
the cabinet). To access the electrical enclosure, remove the condenser air grille as well as the screws holding the
back plate in place. Lower the back plate to the floor.
3.1.2. Control device
The control device type depends on the cabinet model. All features are not available in every cabinet model.
Checking temperature settings
1. Press the SET key briefly.
Setpoint value appears in the display.
The regular temperature view reappears after five (5) seconds of control device inactivity.
3.1.3. Alarms
In normal status, the control device displays cabinet temperature.
MESSAGE
P1
P2
P3
P4
HA
HA2
9
.
CAUSE
Control probe failure
Defrost probe failure
Interior probe failure
Condenser probe
failure
Maximum temperature
alarm
Condenser high
temperature
EN DE ES FR PL RU NL FI SV NO DA EE LT LV
EFFECT
Fixed compressor
on/off time
Fixed defrost time
No effect
No effect
No effect
Compressors off
APPLIES TO
XR40CX / XR77CX
XR40CX / XR77CX
XR40CX / XR77CX
XR40CX / XR77CX
XR40CX / XR77CX
XR40CX / XR77CX