System code number 4
Control of mixed air chamber, heating and cooling coils
4
Summer compensation (–> section 6.7)
4
Summer time operation (–> section 6.10.3)
4
Sequential operation of heating/dampers/cooling or sequence of heating/cooling and
mixed air temperature control
4
Automatic reversal of operating action for mixed air chamber (–> section 5.4.2)
4
Fan operation, 2-speed or 0 to 10 V (–> section 6.8 and 6.11.4)
30
EB 5477 EN
Systems
T
T
T
T
T
L
T
T
T
F3
(AE2)
Y2
Y1
Y3
BA1
(BA4)
F4
F7
AE4
BE3
BE2
BA2
BA3
BE1
BE4
(BE7)
F1
(AE1)
(AA)
F8
F9
(F7)
F2
(AE3)
F5
(AE3)
rF
F7
Speed 1
On/off
Speed 2
Ext. ON
Ext. speed 2
Set point T Set point rH
Fig. 7 ·
Anl 4 (system code no. 4) (ventilation)
Specifications in parentheses
can be selected as an alternative