Control Module - Graco Reactor E-10 Instructions-Parts List Manual

Control Module

Change Display Temperature Units
(°F/°C)
Unit is shipped with temperature displays set
to °F.
1. Shut off Motor Power. Disconnect power
supply.
2. Remove access cover (39) from back of
control module.
3. See F . 11. Locate slide switch (FC) at
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right edge of each temperature display
board. Unit is shipped set to °F (down). To
change to °C, move both switches to up
position.
Calibrate Temperature Displays
1. Remove access cover (39) from back of
control module.
2. See F . 11. Locate calibration screw (CS)
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at upper right corner of each temperature
display board. Turn screw slightly to correct
temperature display.
Temperature displays do not read lower
than 50°F (10°C).
313221A
Replace Temperature Display and
Sensor (Heated Units Only)
1. See Before Beginning Repair, page 35.
Relieve pressure, page 22.
2. Remove temperature sensor (424):
a. Loosen setscrew (22) on thermowell
housing (21). See F
b. Pull sensor (424) out of thermowell
housing.
c. Work sensor and wire out of cable
channel between tanks. It may be eas-
ier to remove one tank. See page 36.
3. Remove access cover (39) from back of
control module.
4. Disconnect temperature display power
cable from J14 or J15 at bottom left of con-
trol board (406).
5. Remove four screws from rear panel studs
and remove temperature display (403) from
front plate (401).
6. Remove screw and nut (409) holding dis-
play to plate (403).
7. Pull sensor cable through split in bushing
(411).
Repair
. 10 on page 40.
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39