Control Module - Graco EnergyComplete 313221H Instructions - Parts 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 right edge
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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) at upper
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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).
313221H
Replace Temperature Display and Sensor
1. See Before Beginning Repair, page 33. Relieve
pressure, page 21.
2. Remove temperature sensor (424):
a. Loosen setscrew (65) on thermowell housing
(64). See F . 10 on page 37.
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b. Pull sensor (424) out of thermowell housing.
c. Work sensor and wire out of cable channel.
3. Remove access cover (8) from back of control mod-
ule.
4. Disconnect temperature display power cable from
J14 or J15 at bottom left of control 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 display to
plate (403).
7. Pull sensor cable through split in bushing (411).
8. Reassemble in reverse order. Mount temperature
display so Heater Power switch off (0) position is at
left when facing control panel.
65
424
F . 10. Temperature Sensor
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Repair
64
TI7067a
37