In looking at the sticker on the air handler there is a list of a bunch
of different heater kits that can be installed and they were supposed to
mark which one was installed. Well nothing is marked. I am suspecting
maybe the kit that is installed is possibly too big for the circuit. I
need to pull the cover sometime and see if I can tell which heater is
installed. Anyway it is on a 60 amp breaker and I have 6 gauge wire
running to the unit (2 60 amp circuits actually, one goes to the air
handler other to the heater kit). I am looking at the chart and wanting
to make sure I am reading correctly what the biggest heater I can have
for the circuit. There are different heater types based on if it is a
single or multiple circuit. Since I have 2 60 amp circuits going to the
unit, one for air handler and one for aux heater, is this considered a
multiple circuit setup, or single since 2 circuit goes to the actual
heater?
There is also a spec for circuit amps, min circuit ampacity, and maximum
circuit protection. For example one heater kit listed on the chart is a
single circuit model, KW is listed at 7.2/9.6 which is 2 elements at 4.8
each, circuit amps is listed at 34.6/40, min ampacity 49/56, max amp
circuit protection 50/60. So this is just a random model I selected
from the list and am I reading it correctly that this kit basically
needs a 60 amp circuit to run it?
I am just trying to get an idea on if I am reading the spec chart
correct then will figure out which heater is actually installed so on
and so forth
On 1/8/2017 3:37 PM, Max Dillon via Mercedes wrote:
I don't know how you conclude that, it sounds like when your system goes into
defrost, the heat strips are turned on, and the breaker for those trips off.
Outside unit then shuts off because the heat strips are off, so defrost mode
won't work. Solve the breaker trip issue - heater strips over sized?
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