Fans Management With Inverter; Management Of All Fans With Inverter – Proportional Inverter - Emerson XC1008D Installing And Operating Instructions

9.2 Fans management with inverter– 1 fans group with inverter
mode, others ON in on/off mode
With this configuration, one analog output can be used to drive the inverter (1Q2 or 2Q1 or 3Q2 or
4Q1 = FAN or FAN2). Set the first fans relay as inverter (FRQ1F or FRQ2F), and other relays as
fans (FAN1 or FAN2).
ES.: 4 fans, 1 with inverter. Analog output 1 drives the inverter
C1 = FRQ1F 1Q2 = FAN
C2 = FAN1
C3 = FAN1
C4 = FAN1
1Q6
Minimum value for analog output 1
1Q7 Analog output 1 value after fan activation
1Q8
Analog output 1 value after fan deactivation
1Q12
Regulation delay of analog output 1 when the pressure is in the regulation band
1Q13 Analog output 1 rise time from 1Q6 to 100% when the pressure is outside the
regulation band
1Q14 Analog output 1 permanency at 100% before load activation
1Q16
Analog output 1 decreasing time from 100% to 1Q6
1Q17 Analog output 1 permanency at 1Q6 before a fan is switched off with pressure below
the set
1Q18
Analog output 1 decreasing time, from 100% to 1Q7 before a load is switched on
9.3 Management of all fans with inverter – proportional inverter
In this case all fans of the condensing group are driven by one inverter.
The power used by the inverter is proportional to the delivery pressure value.
Set one relay as inverter (FRQ1F or FRQ2F) and set the analog output 3 or 4 to drive it (3Q2 or
4Q1 = INVF1 or INVF2).
The reference probe is the probe set on parameter 3Q3 or 4Q2 = PBC3 or PBC4, respectively the
delivery probe circuit 1 and 2.
The analog output is managed in proportional mode according to the pressure/temperature between
the SETF and the SETF1 + 3Q19 (or 4Q18).
1592021021 XC1008-1011-1015D GB A5 r.1.5A 12.10.2009 XC1008-1011-1015D
0 ÷ 100 %
1Q6 ÷ 100 %
1Q6 ÷ 100 %
0 ÷ 255 (sec)
0 ÷ 255 (sec)
0 ÷ 255 (sec)
0 ÷ 255 (sec)
0 ÷ 255 (sec)
0 ÷ 255 (sec)
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