Timberline Binar-5B-Compact - 6 Domestic Water Heat Exchanger; 7 Air Sensor

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6. Domestic Water
Heat Exchanger
If the temperature on the touch panel
for the heat exchanger is incorrect.
Inspect the wiring between the con-
trol box and heat exchanger sensor. If
there are no issues unplug the sensor
and replace it with a new sensor.
If you are not getting hot water out
of your domestic water faucet or
shower, (and the heating system is
running with no faults) inspect the
heat exchanger for any physical
damage or swelling to the plates. If
you see physical damage to the unit,
you will need to replace it. Check to
see if the coach has been in freezing
temperatures without the heating
system operating.
If the heat exchanger is leaking uid,
check all connections on the top of
the exchanger. If it is leaking out of
one of the four connections, tighten
the connection the with a
crescent wrench.
If the leaking does not stop, remove
the tting and check for physical
damage to the thread. If there is no
damage, apply new thread sealant
and reinstall the tting. If the leaking
persists, you may need to replace the
heat exchanger.
To replace the heat exchanger, drain
the domestic water in the system
before removal. Pinch off the coolant
lines in front of the unit and remove.
Once you have replaced the unit,
refer to section 13 for purging
the system.
If the touch panel is displaying the
incorrect temperature for the ambi-
ent air. You will need to inspect the
wiring for the air sensor. If there is no
issues with the wiring, you will need
to replace the air sensor. To replace
the air sensor unplug the old sensor
and replace it with the new sensor.
7. Air Sensor
Fig. 13. Domestic Water Heat Exchanger
Fig. 14. Air Sensor