Henny Penny AHC-990, Technical Manual

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Model AHC-990/993
3-15
3-16. HIGH LIMIT - WATER
HEATER REPLACEMENT
To avoid electrical shock or property damage, move the
POWER switch to OFF and disconnect main circuit
breaker, or unplug cord at wall receptacle.
1. While wearing heat resistant gloves or using a grasping tool,
remove overflow tube and allow water to drain from pan.
Figure 3-1.
Hot water!
Do not touch the overflow tube or place your
hand in the water in the water pan when draining the
unit. Failure to follow this warning could result in severe
burns and injury.
2. Remove screws and lower access panel from rear of unit.
Figure 3-2.
3. Using an 11/32” socket or wrench, remove the nuts securing
the water heater cover and remove cover. Figure 3-3.
4. Remove wire from high limit. Figure 3-4.
5. Check across the terminals for continuity. If the unit is not
heating, the circuit should be closed, or read no resistance. If
high limit is defective, continue onto step 6.
6. Remove the 2 nuts securing the high limit and remove high
limit. Leave the standoffs in place.
7. Install new high limit in reverse order.
8. Unit is now ready for use.
Figure 3-1
Figure 3-3
Figure 3-4
Figure 3-2
Feb. 2011