Terminal box design (TopVent
®
TH, TC)
The following components are installed in the terminal box:
■ Isolation switch
■ Circuit board with all required electrical components as well as connection
terminals for the following signals:
– Input Enable fan
– Input Control signal fan
– Output Control signal next fan
– Input Control signal actuator Air-Injector
– Output Control signal next actuator Air-Injector
– Output Feedback control signal Air-Injector
– Output Error
■ The following sensors and actuators in the unit are factory-wired:
– Fan
– Supply air temperature sensor
– Actuator Air-Injector
■ Options:
– Wire up the condensate pump directly (not to the circuit board).
– Lay the signal line for the dierential pressure switch of the air lter to an
on-site lamp or controller.
34
TopVent
®
TH
|
TC
|
THC
|
MH
|
MC
|
MHC
Operating instructions
Transport and installation
4 218 828-en-01 4 218 828-en-01
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