Dantherm HCV 300, Service Manual

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093683
• Versio
n
1.4• 19.
04.20
17
Electronic control
Introduction
This section provides a detailed description of the electronic controls.
Function
The unit's main controls are placed on the main PCB together with other outlets and in-
puts.
The control panel with LED displays is placed under the main controls, and connected to
the
main PCB via FFC.
System
architecture Illustration of the system control architecture:
Continued overleaf
USB service port
Keypad with LED
Air quality demand
sensor
VOC
HRC 3 wireless
remote
Ethernet router with
DHCP
HCP10 On Modbus
(wired Remote)
HAC2 on MODBUS
(Dantherm
accessory)
2 pce digital in
High/low fan speed
Etc.
Main controller PCB
HCV300 unit
Extract fan
T1-T4
Temperature
sensors
Supply fan
Air humidity (RH%)
demand sensor
Bypass 230VAC
Preheater 230VAC
Accessory modules
230VAC input
External connected items
Building
management
system