Temperature Control; Purge Timer - Graco PR70 Operation & Maintenance Manual

Operation

Temperature Control

BC
BD
BR BS
The Tank Fluid Temperature Setpoint (BR), Tank Fluid
Temperature (BS), Hose Heater Temperature (BT1),
and Hose Heater Temperature Setpoint (BT) display the
status of the each of the options. To turn the Tank Blan-
ket Heaters or Hose Heaters on or off, press the Tank or
Hose Heater On/Off button (BC, BD, BE, BF). See Heat
Options, Screen #2 on page 29 for more information on
temperature control setup.
Change Heater Temperature Setpoint from Home
Screen
Changing the Heater Temperature Setpoint can be done
from the Setup screens or from the Home Screen. To
change the temperature setpoint for any of the installed
tank or hose heaters from the Home Screen, perform
the following steps.
1. Press and hold the Tank or Hose Heater On/Off
button (BC, BD, BE, BF) for four seconds. The tem-
perature setpoint box will invert colors.
2. Use the numeric keypad to enter the new tempera-
ture setpoint.
The maximum allowable set point is 160
and the minimum is 60
3. Press the Enter button (
value.
64
BE
BF
BT1
BT
o
F (71
o o
F (15 C).
) to accept the new

Purge Timer

Purge Timer settings can be changed from the
Fluid Options Setup Screen, see page 27.
The Purge Timer automatically issues a shot after the
machine has been idle a set amount of time to clear the
static mixer of partially cured material. After a shot is fin-
ished, the clock counts down from the value set in the
setup screens. The Purge Alarm will sound prior to the
purge shot. When the timer reaches the Purge Alarm
time, the Purge Alarm will sound until the timer reaches
zero or the user issues a shot. When the timer reaches
00:00, the machine will issue a shot equal to the amount
set for the purge timer shot size and that is shown under
the timer. The timer will reset and the process will
repeat.
o
C)
312759W