M
ANUAL
S
ERVICE
Version: 1.0 (21-09-2005)
53
8.4
Accessing the interior of the unit
8.4.1 Recirculation units
1. Switch the unit off using the controller.
Warning:
w
Disconnect the power supply (pull plug from socket
or move isolation switch to Off).
2. Remove the main cover (see section 8.5).
Tabel 8-1
Reading values in the service menu
N
O
.
F
UNCTION
20
Resetting and reconfiguring the controller (see section 8.3)
21
Current max. filter life, in weeks (1 week = 50 operational hours)
22
Software version control
23
Fault history
(23 = oldest, 27 = latest fault message)
First, the number along with the fault code
1
and,
then, the time
2
(in hours) lapsed since the occur-
rence appear in the display.
24
25
26
27
28
Number of units connected to the controller
29
Input voltage at the 0-10VDC input in tenths of Volts
30
Status of the input (1 = made)
31
Status of output O1 (on/off)
32
Status of output O2 (on/off)
33
Status of output O3 (on/off)
34
Value of change-over temperature sensor
35
Average air inlet temperature, ventilation units
36
Average air outlet temperature, ventilation units
37
Average air inlet temperature, recirculation units
38
Average air outlet temperature, recirculation units
39
Average valve position, heating
40
Average valve position, cooling
41
Target value of air outlet temperature (set by controller)
1
2
