Henny Penny AHC-990, Technical Manual

Page: 38 / 65

Model AHC-990/993
3-16
3-17. WATER PAN HEATER
REPLACEMENT
Make sure unit voltage matches the water heater voltage in
kit, or damage to the water heater could result.
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. Disconnect or shut-off water supply. While wearing heat re-
sistant gloves or using a grasping tool, remove overflow tube
inside of unit 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. Allow unit cool. If Loctite is applied when unit is still hot,
the Loctite will set before the nuts are installed.
3. COUNTERTOP MODELS - Remove screws and both
lower access panels. Figure 3-2. (Floor models continue onto
step 4)
4. Using an 11/32” socket or wrench, remove the nuts securing
the water heater cover and remove cover. (See Figure 3-3
on page 3-15.)
5. Unplug water heater and high limit wires. Figure 3-3.
6. Using a 1/4” socket, remove nuts securing the high limit and
remove high limit & spacers. Figure 3-4.
Figure 3-2
Figure 3-3
Figure 3-4
Figure 3-1
Jan. 2012