Repair
36
312063Z
Primary Heaters
Heater Element
1. Turn main power OFF
. Disconnect power
supply.
2. Relieve the pressure. See
, page 26.
3. Wait for heaters to cool.
4. Remove heater shroud.
5. See pages 59-61 for illustrations of each heater.
Disconnect heater element wires from heater wire
connector. Test with ohmmeter.
6. To remove heater element, first remove
thermocouple (310) to avoid damage, see step 7,
page 36.
7. Remove heater element (307) from housing (301).
Be careful not to spill any fluid left in housing.
8. Inspect element. 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.
9. Install new heater element (307), holding mixer
(309) so it does not block thermocouple port (P).
10. Reinstall thermocouple, step 8, page 36.
11. Reconnect heater element leadwires to heater wire
connector.
12. Replace heater shroud.
Line Voltage
The primary heaters output their rated wattage at 230
Vac. Low line voltage will reduce power available and
the heaters will not perform at full capability.
Thermocouple
1. Turn main power OFF
. Disconnect power
supply.
2. Relieve the pressure. See
, page 26.
3. Wait for heaters to cool.
4. Remove heater shroud.
5. Disconnect thermocouple wires from B on
temperature control module. See T
and F
6. Feed thermocouple wires out of cabinet. Note path
as wires must be replaced in the same way.
7. See F
. 9. Loosen ferrule nut (N). Remove
thermocouple (310) from heater housing (301), then
remove thermocouple housing (H). Do not remove
the thermocouple adapter (305) unless necessary. If
adapter must be removed, ensure that mixer (309)
is out of the way when replacing the adapter.
8. Replace thermocouple, F
a. Remove protective tape from thermocouple tip
(T).
b. Apply PTFE tape and thread sealant to male
threads and tighten thermocouple housing (H)
into adapter (305).
c. Push in thermocouple (310) so tip (T) contacts
heater element (307).
d. Holding thermocouple (T) against heater
element, tighten ferrule nut (N) 1/4 turn past
tight.
Total Heater
Wattage
Element
Ohms
6,000
1500
30-35
7,650
2550
18-21
8,000
2000
23-26
10,200
2550
18-21
Summary of Contents for Reactor H-XP2 Elite
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