SAVECair control |
9
Position Description
15
Analog output 1 — Rotor of the heat exchanger (VSR, VTR units) / Damper control
(VTC units)
16
Terminals for speed control of extract air fan
17
Terminals for speed control of supply air fan
5.3.2.2 External connections (Connection board)
External connections to the main circuit board are done via connection board situated outside of the unit.
Fig. 6 External connection box and board
Position Description
1
Connection to the main circuit board
2
Connection for external control panel (HMI) or Internet access module (IAM)
3
Modbus RS485 connection
AI6–7
Freely configurable Analog input. None/Input type selection in HMI.
DO1–4
Freely configurable Digital output. None/Output type selection in HMI.
AO3–5
Freely configurable Analog output. None/Output type selection in HMI. Actuator type 0–10V, 10–
0V, 2–10V, 10–2V.
UI1–5
Freely configurable Universal input. Can be configured to act as Analogue input (0–10V) or as
Digital input (24V). None/Input type selection in HMI (NC or NO polarity).
24V Maximum current 200mA at 24VDC +-10%.
6 SAVECair control
6.1 General
SAVECair is a modern touchscreen LCD control panel, simply known as HMI — Human Machine Interface. The
touchscreen display provides information about current state of the unit and allows you to control all system functions.
Settings are done by touching the icons or options. The touch screen is sensitive and it is not necessary to press too
hard.
6.2 Startup wizard
During the first power up of the unit, you will be asked to set:
• menu language
• time and date
• airflow control type (Manual/RPM) and airflow level values
• heater type (None/Electrical/Water/Change-over)
211464 | A001
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