SERVICING
51
G
TG
T
R BR RG R
TG T T
T R R
B RT
R T RRT
G R JR R T
1. Remove blower compartment door to gain access to
the auxiliary.
2. Remove the wires from the auxiliary limit control termi-
nals.
3. Using an ohmmeter, test for continuity across the two
terminals.
RED
RESET
BUTTON
COLOR
IDENTIFYING
A temperature activated manual reset control is mounted to
the manifold assembly as shown in the following illustration.
shield may also cause the control to open. If the rollout control
opens, the air circulation blower will run continuously.
1. Remove the burner compartment door to gain access
to the rollout switch(es) mounted to burner bracket.
2. Reset the manual roll out switch
3. Remove wires from roll out switch
4. Using an ohmmeter, check for continuity across the
switch.
5. If the switch will not close after manually resetting, it
must be replaced.
6. Measure the voltage between each side of the rollout
control and ground during the ignition attempt. If a roll
plate out of position, burners with excessive cross-
-
proper gas pressure, air leaking from around the heat
exchanger into the burner compartment, air leaking
through the heat exchanger itself.
7. After check and/or replacement of rollout switch, rein-
stall burner compartment door and verify proper unit
operation.
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