
System code number 5
Control of heat recovery unit (HRU) as well as heating and cooling coils
4
Summer compensation (–> section 6.7)
4
Frost protection for HRU (–> section 7.2.2)
4
Automatic reversal of operating action for HRU configurable (–> section 5.4.2)
4
Fan operation, 2-speed or 0 to 10 V (–> section 6.8 and 6.11.4)
EB 5477 EN
31
Systems
T
T
T
T
L
T
T
T
F3
(AE2)
BA2
Y2
Y1
Y3
BA5 BA1
F4
F6
AE4
BE3
BE2
BA2
BA4
BA3
BE1
BE4
(BE7)
F1
(AE1)
AA
F8
F2
(AE3)
F5
(AE3)
rF
F7
Speed 1
On/off
Speed 2
Ext. ON
Ext. speed 2
Set point
Fig. 8 ·
Anl 5
(system code no. 5)
(ventilation)