OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
TAEevo Tech 015÷802 60 Hz UL
84
The data in this manual are not binding and they can be modified by the manufacturer without notice. Reproduction of this manual is strictly prohibited
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CO04 C Time lag between stops of 2 compressors / capacity steps.
Establishes the stopping time lag between two compressors or
two capacity steps.
0250Sec
CO05 C Delay at compressors starting from power ON.
Starting construed as physical power-up of the controller.
Delays activation of all the outputs to distribute current draw and
protect the compressor(s) from repeated starts in the event of
frequent mains power losses.
0 250 10 Sec 10 Seconds
Capacity controls (INACTIVE FUNCTION)
CO06 C Capacity controls operation:
0= ON/OFF steps control
1= Direct action continuous run with capacity steps
2= Reverse action continuous run with capacity steps
3= Global continuous capacity step control
03
CO07 C Enabling for operation of minimum compressor capacity /
unloaded starting management:
0= Enables minimum capacity only at compressor start (start with
minimum capacity / unloaded starting with valve OFF and
compressor stopped)
1= Enables minimum capacity only at compressor start and during
temperature control (start with minimum capacity / unloaded
starting with valve OFF and compressor stopped)
2= Screw compressors, enables minimum capacity only at
compressor start (start with minimum capacity / unloaded starting
with valve ON and compressor stopped)
3= Screw compressors, enables minimum capacity at compressor
start and during temperature control (start with minimum capacity
/ unloaded starting with valve ON and compressor stopped)
03
CO08 C Screw compressor intermittent valve control relay ON time; if
parameter value is 0 the function is disabled.
0250Sec
CO09 C Screw compressor intermittent valve control relay OFF time. 0 250 Sec
Compressor starting
CO10 C Compressor starting (see heading “7.15.1 Compressors control”):
0= Direct
1= Part-winding
01
CO11 CIf CO10=1 part-winding starting time. Used to vary the
energization of the two different relays that feed the two motor
windings.
0 100 Dec Sec 0.1 Sec
CO12 C Time for which condensation fan thermal protection switch is
bypassed after controller power on
0250Sec
CO13 C Run time with gas by-pass valve / compressor unloaded starting
valve (see capacity controls operation).
0250Sec
Compressors rotation - balancing - temperature control
CO14 S Compressors rotation (see heading “7.15.6 Compressors
rotation”):
0= Fixed sequence
1= Rotation enabled with compressors temperature control on
basis of running hours
2= Rotation enabled with compressors temperature control on
basis of starts/hour (peak loads)
02
CO15 S Circuits balancing:
0= Circuits saturation
1= Circuits balancing
01
Parameter Level Description Min. Max. UM Resolution
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