Heater - Graco Reactor E-10hp Instructions Manual

Heater

Test Heater Element
1. See Before Beginning Repair, page 40.
2. Wait for heater to cool.
3. Remove heater shroud (90) and electronics cover
(55).
F . 15
IG
332144E
4. Disconnect heater element wires from heater wire
Remove Heater Element
1. To remove heater element (307), first remove ther-
55
90
2. Remove heater element (307 or 316) from housing
3. Inspect element.
NOTE: It should be relatively smooth and shiny. If there
is a crusted, burnt, ash-like material adhered to element
or sheath shows pitting marks, replace element.
4. Install new heater element (307 or 316). Hold mixer
ti21845a 5. Reinstall thermocouple, page 50.
6. Reconnect heater element leadwires to heater wire
7. Replace heater shroud (90) and electronics cover
Line Voltage
The primary heaters output their rated wattage at their
nominal voltage of either 120VAC or 230VAC, depend-
ing on system. Low line voltage will reduce power avail-
able and the heaters will not perform at full capability.
connector. Test with ohmmeter. Replace heater ele-
ment if the resistance reading does not fall within
the range.
Nominal Heater
Heater Wattage Per
Voltage Zone
120 1500
230 2000
mocouple (310) to avoid damage, see step 7,
page 50.
(301). Be careful not to spill any fluid left in housing.
(309) so it does not block thermocouple port (P), for
(307) only.
connector.
(55).
Repair
Element
Wattage Ohms
500 24-32
1000 12-16
620 73-94
1380 32-43
49