415004 Topvex TR Installation Instructions

Topvex TR800, TR1300, TR1800, TR4000
Installation instructions
Systemair Inc.
22
Connections to external function cont’d
Unit control voltage Description Remark
[TB3] Main [UC]
71 71 DI1 Free digital (set as “Not used” from the
factory)
DI1 can be eld congured
for different applications &
accessories.
Use terminal 4 for 24VDC
72 72 DI2 Free digital (set as “Not used” from the
factory)
DI2 can be eld congured
for different applications &
accessories.
Use terminal 4 for 24VDC
73 73 DI3 Rotation guard Normally open contact
74 74 DI4 Extended running Normally open contact
Use terminal 4 as reference
75 75 DI5 Fire alarm Normally open contact
Use terminal 4 as reference
76 76 DI6 External stop Normally open contact
Use terminal 4 as reference
77 77 DI7 Extract air fan alarm Normally closed contact
78 78 DI8 Extract air fan alarm Normally closed contact
90 90 Agnd AO reference
91 91 AO1 Control signal, extract air fan 0-10 VDC
92 92 AO2 Control signal, supply air fan 0-10 VDC
93 93 AO3 Control signal, re-heat
Reserved input
2
0-10VDC for units with
hydroniv or electric re-heat
equipped
94 94 AO4 Free analog output (srt as “Not used” from
factory)
AO4 can be eld congured
for different applications &
accessories.
Use terminal 90 as reference
95 95 AO5 Control signal, pre-heat
Reserved input
2
0-10VDC for units with
hydronic or electric pre-heat
equipped
Unit control voltage Description Remark
[TB3] Expansion
[PTE]
G 1 24V+ 24 VAC
G0 2 24V- Reference
60 3 RS885-B B (+) EXOline expansion modules
connections (PTE & PTS)
61 4 RS885-A A (-) EXOline expansion modules
connections (PTE & PTS)