48VFL & 96VFL v1.2 07/13
The
controller can also be set to ON/OFF, PI, PD and P control mode. Set Pb = 0 for
ON/OFF control mode. Set ti = 0 for PD control mode. Set td = 0 fro PI control mode and ti,
td = 0 fro P control mode. The Hysteresis (dead band) for ON/OFF control operates as
follows:
ON
OFF
SP-HYST ▲ SP+HYST
SP
When the second control output (output 2) is used, the proportional band of output 2
and the dead band interact as detailed below:
Ou
tput
Heating Cooling
PV
Overlap Dead
Ba
nd Band
■ERROR MESSAGE AND TROUBLESHOOTING
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