All installations and services must be performed by qualified service personnel.
30
Or in this case,
_2.5 A. = 0.25 A. (Anticipator Setting)
10
iv. Adjust the position of the anticipator indicator to match the calculated
ammeter setting. If a slightly longer cycle is desired, the pointer should
be moved to a higher setting. Slightly shorter cycles can be achieved
by moving to a lower setting.
v. Remove the meter jumper wire and reconnect the thermostat. Check
the thermostat in the heating mode for proper operation.
If a digital ammeter is used, read the current draw directly from meter.
(Steps 1 through 3 are not required.) The meter reading is the correct
anticipator setting.
3. Blower Motor Speed Selection
: Turn off the electrical power to the unit, before attempting
to change supply air blower speed wiring.
In order to obtain the required supply air flowrates in both the heating and
cooling modes of operation, it may be necessary to reset the blower motor
speeds. The blower motor is located behind an access panel along the
right-hand rear side of the unit. To adjust fan speeds, it is necessary to
remove this panel and physically change the wiring connections at a
terminal block, mounted on the blower housing.
There are four blower speeds available; high, medium high, medium low,
and low. The terminal blocks will be marked with the symbols, “H”, “MH”,
“ML”, and “L”, respectively, to indicate these speeds, refer to Figure 7. In
addition, the left most terminal block will be marked with the symbol “C”,
for common. A white wire should always be connected to terminal block
marked “C”. The black wire controls the blower speed during the cooling
cycle. The blue wire controls the blower speed during the heating cycle.
The black and blue wires may be connected to any of the four terminals.
Change the position of the wires on the terminal blocks to set the desired
blower speed for each mode of operation. (Typically, two of the blower
speeds will not be used.)
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