Transformers - Henny Penny LVE-202 Technical Manual

7-17. TRANSFORMERS

Control Transformer
AIF Transformer
Oct. 2010
These components drop the line voltage to low voltage com-
ponents such as, control board, AIF board and contactor coils.
Each control transformer is equipped with an integral reset
switch.
Checkout:
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. Support control panel bottom with 1 hand, loosen retaining
screw at top, slide panel down slightly to clear screw,
push panel back up, then swing panel top out and down.
2. Press reset button on control tranformer. If transformer
does not reset, continue with procedure.
3 . Pull appropriate connector, either from the AIF PC board
or from the control PC board.
To avoid electrical shock, use care when checking
transformer. The following checks are performed
with wall circuit breaker closed and main power
switch in ON position.
4. With power on, take a voltage reading on the appropriate
pins. If transformer proves faulty, continue with
replacement instructions.
Replacement:
1. Disconnect electrical power and using a 5/16" socket,
remove nuts securing transformer and pull transformer
from unit.
2. Replace transformer in reverse order.
3. Support control panel bottom with 1 hand, swing panel top
up about 90 degrees, slide panel down slightly to clear
screw, push panel up to engage screw, and tighten screw.
7-22
Model LVE-202, 203, 204