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Firmware
Version
Version
1.0.0
1.0.0
1.0.1
1.0.0
1.0.2
1.0.1
1.0.3
1.0.1
1.0.4
1.0.2
1.0.5
1.0.3
1.0.6
1.0.3
Any additional notes since printing will be appended to the rear of this document on separate
sheets of paper.
Document Amendment Register
Date
Author
12/07/17
GD
Initial version.
Added information to Connections section regarding connections
to twin/triple/quad and MXZ systems.
31/07/17
GD
Correction made to section 2, the name MAC-399IF replaced
with MAC-333IF.
Voltage/resistance bands changed for setpoint, mode and fan
11/08/17
GD
speed control.
29/09/17
GD
Added certification logos
Updates for V1.0.2 firmware.
Sections 7.9, 7.10 and 7.11 updated.
27/11/17
GD
Addition of new Modbus holding registers (see section 12.1).
Firmware revision history table added.
Added section 8. Failsafe AUTO Mode.
17/01/18
GD
Updated sections 7.2 Mode control and 7.3 Fan Speed control.
Firmware revision history table updated.
Corrected text in section 9.Deadband mode to state deadband
08/02/18
GD
mode is enabled by setting DIP switch 2-1 to the ON position.
• iii •
Notes
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