Guardian SCC 25, Manual

Page: 56 / 79

Page 56
GUARDIAN SCC-40 Issue (Auto VI) & V3.6t 07/12/00
System Settings
SUCTION OIL
==SE tUp=
Press
“
@
next
”
to sequence through Setup selections
DISCHARGE FILTER
Press
“
@
raise
”
or
“
@
lower
”
to change settings
==== syst
Press
“
@
accept
”
to accept settings
Starts per hour
sHnn
nn = 02 to 19
Loading pulse width
Lpnn
nn = 2 to 50 % ( % of 6 Second Pulse )
Starting Pulse
Spnn
nn = 0 to 100 % ( % of 6 Second Pulse )
Initial Starting Pulse, Until at Minimum Removed.
Loading pulses when
Slide at Maximum.
LpSt
or
LpPu
= Load Pulses stopped @ max
= Load Pulses continued @ max
Unloading pulse width
Upnn
nn = 2 to 50 % ( % of 6 Second Pulse )
Pump Selection
yyyy
YYYY=PunP
PunP, Pump Run Compressor
P-St
P-ST, Pump Start Compressor
no-P
no-P, No Pump Compressor
FiLt
FiLt, Special, Contact Guardian.
Oil Differential alarm trip
delay.
dtnn
nn = 0 to 9.9 minutes
Bypass delay if ‘bY_P’
btnn
nn = 0 to 99 seconds
If 2Fan, .
bFnn
nn = 0.5 to 9.9 Bar
Additional cut-in above setpoint of Fan1
in
Discharge, Pressure, Setpoint
NOT USED
Lbnn
Economiser back-off
retry time
Etnn
nn = 0 to 99 minutes
Motor start speed if
Inverter %
Stnn
nn = 0 to 99 %
Inverter speed
increment %
Sinn
nn = 1 to 20 %
Auxiliary relay VI-1 and
VI-2 operation mode
yyyy
YYYY=noUi no VI or auxiliary relay control
ui-1 Switch on VI-1 output
ui-2 Switch on VI-2 output
both Switch on VI-1 & VI-2 outputs
auto do Auto VI (special Eprom)
2-SP two speed motor control (see later section)
StbY Standby compressor switch over
bY-P Discharge bypass valve operation
FANS 2-stage condenser fans control