KEY:
Table 20.
:
22
1
SP
HIGH SUCT OFF = XXX
lOO”Fto200
F 125°F
+
13
SP
1
HI
COND PRES
=
XX2
1
100
PSI to
t60
PSI 140 PSI
1
+
NOTES:
SP means Service Password LP means Low Pressure
SPT means Setpoint
Default Setting IS the factory input setting. Default pressure values are R12: for
MOO.
use pressures equal to the saturated temperatures of the
1312
pressures.
Press
5-“Low
Oil Delta” IS the temperature difference required above saturated refrigerant suction temperature to permit the chiller to start. If the dif-
ference between actual oil temperature, and saturated refrigerant temperature is less than the input setting, the unit will not start.
**
This valve is automatically set equal to the sum of 10°F plus the Low Oil Delta Temp (Press
5)
plus the saturated refrigerant
(Evap.)
temperature.
Trip conditions are displayed by a minus or plus sign, indicating that the control will trip as the
%,
temperature, or pressure goes below
(-),
or goes
above
(+)
the control setting.
4 The Hot Gas Bypass setpoint does not define a safety trip
devrce,
but an operating control If used, the Hot Gas Bypass solenoid
WIII
be energized at
and below the percent RLA setpoint.
IM
403
I
Page 33
To Next Page
Loading...
