System Heat Up - Graco Therm-O-Flow Plus Manual

Follow the procedure below for heating up the system.
WARNING
To reduce the risk of bursting a hose, never pres-
surize a hot melt system before turning on the
heat. Always allow the controllers to keep the air
motor off until factory preset safe temperatures are
reached. See instruction manual 309085 for com-
plete information.
CAUTION
The dispense valve must be open, and kept open,
over a waste container while the system is heating
up. This will prevent a pressure build–up caused by
fluids or gasses expanding from the heat.
1. Turn the main disconnect on the control box door
(Fig. 17) to the ON position.
Fig. 17
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System Heat Up

2. Place the HEAT ON/OFF switch to the ON posi-
3. Each individual heat zone control with a heat
4. Determine the temperature to which material
NOTE: If an accessory pendant control is used with
multiple control boxes, always turn on the power for
the accessory controls before the master control box.
See manual 309085 for pendant operation.
PH00023
tion.
Fig. 18
device connected must be turned to RUN. Any
zone without a device connected must be turned to
STOP. To switch the zones between RUN and
STOP push the <R/S button.
needs to be heated. Consult material supplier for
recommended material application temperatures.
PH00024