Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 19(31)
Version 1.0
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4.1.3
Modbus RTU communication
Halton Max One Circular (MUC) can communicate to BMS system via Modbus RTU. Whit Modbus
register user can read and set parameter values. Modbus parameter list can find end of document.
To set parameters via Modbus, user need send password to MUC before it approve changes. When
set Holding register or Coils, first send register value what like to change and after that send 9055
value to Holding register 40905.
4.1.4
Factory settings
The airflow rates for Halton Max Ultra Circular (MUC) are preset at the factory. If the airflow rates
are not specified by the customer, the default factory settings are 0 for the minimum airflow rate
and the 10 m/s flow velocity for the maximum rate.
The maximum airflow rates in the following table are given with a flow velocity of 10 m/s. Applies to
all Halton Max Ultra Circular (MUC) actuator models.
NS Maximum airflow (l/s) @ 10 m/s Maximum airflow (m3/h) @ 10 m/s
100 78
283
125 122
441
160 201
723
200 314
1130
250 490
1767
315 779
2805
Table 1. Halton Max Ultra Circular (MUC) factory settings
