Heat Up System - Graco Therm-O-Flow 200 Instructions - Parts Manual

Operation
7. Remove the platen bleed stick (R).
R
F . 20: Platen Bleed Handle
IG
8. Set ram director valve (CC) to down.
F . 21: Lower the Platen
IG
9. Slowly turn the ram down air regulator (CB) clock-
wise to approximately 5–10 psi (34–69 kpa, 0.3–0.7
bar). The platen will begin to lower into the drum.
10. After the platen seals enter the material drum,
adjust the ram down air regulator (CB) to 30–50 psi
(207–345 kPa, 2.1–3.4 bar).
11. When the ram stops, reinsert the platen bleed stick
(R) and hand tighten.
30

Heat Up System

To reduce the risk of bursting a hose, never pressur-
ize a hot melt system before turning on the heat. The
air will be locked from the air motor until all tempera-
ture zones are within a preset window of the tempera-
ture setpoints.
Keep the dispense valve open over a waste container
while the system is heating up and also when cooling
down. This will prevent a pressure build-up caused by
fluids or gases expanding from the heat.
NOTE: Operate at the lowest temperature and pressure
necessary for your application.
1. Turn the main power switch on the electrical control
panel door to the ON position.
2. Press the
CC
(provided they are enabled). Press
zones do not begin to heat. Display status bar reads
Warm Up. When temperature reaches setpoint, the
display status bar reads Heat Soak. When heat is
on, the status will display in the status bar. See
CB
Advanced Display Module (ADM), page 11, for
operation mode descriptions.
NOTE: The air will be locked from the air motor until all
temperature zones are within a preset window of the
temperature setpoints, allowing the system to heat fully
and complete the material heat soak period.
button. The zones begin to heat
if the
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