Air King 5000 Manual de instalación y funcionamiento - Página 10
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Model 5000 Flow Through Humidifier
10
7. After about 5 minutes of running turn your thermostat down
so the furnace cycles off. IT IS IMPORTANT TO ALLOW THE
FURNACE TO CYCLE OFF VIA THE THERMOSTAT AND NOT
THE MAIN FURNACE SWITCH, AS ALL FURNACES WILL
RUN A COOL DOWN TO ALLOW HEAT TO CIRCULATE
OUT OF THE FURNACE HEATING CHAMBER. The
humidifier will sense the temperature drop and shut off (this
will occur depending on your furnace, from 60 seconds before
the furnace shuts of to 60 seconds after the furnace shuts off.)
You will know the humidifier has shut off because the green
"HUMIDISENSE" LED on the front of the humidifier will shut
off. (fig. 24) The off cycle of the "HUMIDISENSE" CONTROL
IS ADJUSTABLE. See section "CUSTOMIZING HUMIDISENSE
TO YOUR FURNACE" below if the humidifier does not shut
off with your furnace.
• OPERATING TIP: Most furnaces will take anywhere
from 30 seconds to 2 minutes to complete a off cycle.
First the furnace will sense that the thermostat is satisfied
then the furnace burner will shut off. The furnace fan will
continue to run (the amount of time depending on how
your furnace is set up) this allows the heat to circulate
out of the furnace heating chamber and assures efficient
use of heating fuel.
HUMIDIFIER OPERATION
CUSTOMIZING HUMIDISENSE TO YOUR FURNACE
The HUMIDISENSE control is a temperature and time based
control designed to cycle the humidifier ON and OFF in
sequence with your furnace's cycles. As there are many different
homes and styles of furnaces the HUMIDISENSE control has 4
self contained adjustable temperature set points to control the
humidifier's cycles, as well there is a redundant safety circuit
which with the use of a pressure switch (sold separately) can be
used to bypass the temperature control feature and cycle the
humidifier based on the furnace fan's cycle.
Depending on your furnace or other factors present in your
home (use of secondary supplemental heating, HVR's, ERV's,
etc) it may become necessary to change the setting of the
control to ensure the humidifier is shutting off when your
furnace cycles off. This is easily done by changing the dip switch
(located on the lower side of the control housing see below)
positions, using a small screw driver. NOTE: Only change the
setting IF REQUIRED.
Dip Switch
YOU MUST CAREFULLY FOLLOW THE FOLLOWING STEPS TO
CHANGE THE CONTROL'S SET POINT:
1. Determine if the humidifier is not shutting off when the
furnace shuts off
2. Read the explanation of the different settings below and
determine which dip switch position you require.
3. The humidifier must be energized but NOT running in order
to change the dip switch position. If your humidifier has not
shut off after a furnace cycle, turn DOWN the furnace's
thermostat (so the furnace shuts off and will not come back
on). UNPLUG the humidifier for a few minutes and allow the
humidifier to cool down, then plug the humidifier back in.
Now the humidifier should be plugged IN, the humidistat
turned UP all the way, your furnace should be OFF, and the
humidifier should NOT be running.
4. With the furnace OFF, Change the dip switch position to the
desired location.
5. AFTER you have changed the dip switch location UNPLUG
THE HUMIDIFIER FOR 1 MINUTE.
6. After the humidifier has been unplugged for 1 MINUTE, Plug
the humidifier back in and WAIT ANOTHER MINUTE.
7. The control set point has now been changed. Turn UP the
furnace thermostat and check humidifier operation.
HUMIDISENSE CONTROL SETTINGS: FACTORY SETTING (FIG. 25.)
The control comes from the factory set
with the criteria indicated below.
Humidifier ON : A temperature rise of 4°C
in one minute and a temperature greater
than 30°C
Humidifier OFF: A temperature drop of
2°C in one minute and a temperature less
Figure 25
than 45°C
• This setting will meet the requirement of 85% of the furnaces
in the market today. It will provide the required humidifier
control on furnaces ranging from high to low efficiency. You
should only change the setting if required.
OPTIONAL SETTING # 1 (FIG. 26.)
Humidifier ON : A temperature rise of 4°C
in one minute and a temperature greater
than 30°C
Humidifier OFF: A temperature drop of
2°C in one minute and a temperature less
than 35°C
• This setting will be useful when you find that
Figure 26
the humidifier is shutting off too early or if the
humidifier is cycling off in the middle of a
furnace cycle. If your furnace is multi-speed (the furnace fan will
change speed during the heating cycle.) or if you have a high-
efficiency furnace, where the furnace burner will cycle ON and
OFF during the heating cycle in order to save energy.