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Electronic control
Introduction
This section gives you a detailed description of the electronic control.
Function
The unit´s main controller is placed at the main PCB, together with I/O connections for
internal as well as external connections.
Control board with keypad and LED signals is placed below and connected to main PCB
with a non-extendable multicore cable.
System
architecture
This illustrates the overall system control architecture:
Continued overleaf
USB service port
Keypad with LED
Air quality demand
sensor
HRC 3 wireless
remote
Ethernet router with
DHCP
HAC1 on MODBUS
(Dantherm
accessory)
2 pce digital in
High/low fan speed
Smart Phone App´s
Main controller PCB
WG unit
Extract fan
T1-T4
Temperature
sensors
Supply fan
Air humidity(RH%)
demand sensor
Bypass 230VAC
Bypass 12VDC
Preheater 230VAC
A
cc
es
so
ry
m
od
ul
es
230VAC input
External connected items
Building
management
system
HCV7 unit
