Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: Goodman AWUF 3 ton fan coil unit
The evaporator is probably not excessively condensing in as much as the amount of condensate is directly proportional to the amount of humidity in the air. It sounds like the problem is more likely the primary drain is restricted by algae; if this is the case I suggest pouring a cup of bleach in the primary drain and see if that clears the primary drain. Note: the secondary is just that it is designed to keep the water from overflowing into the house. Hope this helps!
Posted on Oct 05, 2008
SOURCE: York Mini-Split Not Cooling? : (
This can only be a gas problem.
the split units goes on on and off if a shortage of gas is involved, the chances that you would here it wont be that big for the fans would make too much noise.
get a repair man for a re gas and all is well.
Posted on Oct 22, 2008
undersized is just that...you and I got taken to the cleaners.but i did put an adjustable vent in the cod air return vent duct next to the floor...it helped mine but i say some installers should.....well you know
Posted on Aug 04, 2009
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Dec 13, 2017 | Heating & Cooling
E5 indicates excessive temp. of the outside coil if on cooling, OR excessive temp of the inside coil in
heat mode. On cooling, the E5 will appear if the outside coil temp exceeds 68C. This is an indication
of condenser airflow reduced or non-existent. Using the procedure described above it is possible to
watch the condenser coil temp using the Temp down button and Medium fan speed combination to
display this temp. NB: if fans etc seem to be OK then measure thermistor resistance and refer to table
12. In case the problem is thermistor calibration.
Action: If unit is in cooling mode, examine both condenser fans are running. If
one is running then suspect a faulty motor. If both fans not running then
on units up to serial No. IBSA 01175, investigate the fan speed control
card located in enclosure on the LHS See fig 6.
If this checks OK then investigate main control card.
Fig 1, 2 or 3. Units with serial No's IBSA01176 and
onward are multi speed tapped wound motors not requiring a speed
control card. If both motors inoperative then suspect main control card
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