_ Installation Instructions Combination Units I
3. If it has been determined that cooling and heating speeds lated male terminal on the black cooling lead. Then place
are needed on the same speed tap, remove the red heating the insulated black female quick connect to the required
lead from the speed tap block and connect it to the insu- speed tap.
FIGURE 2i Blower Motor Speed Taps (3-Speed and ,-Speed Motors)
/ \\\
/ 4-SPEEDMOTOR
YELLOW
BLACK
I
BE SURE TO CHECK BLOWER MOTOR
SPEED DATA ON UNITS TECH LABEL I
RED
\\_\\\\
Circulating Air Blower
Visually inspect the blower wheel for accumulations of dirt or lint.
Clean the compartment and the blower wheel. If accumulation is
excessive on blower wheel, or does not easily remove, it will be
necessary to remove the blower assembly.
Oil the blower motor by adding 1/2 teaspoonful (lcc) of SAE
10W30 to each motor bearing. The blower motor should be oiled
after five years of operation and every five years thereafter.
CAUTION
Do not use 3 in I oil, penetrating oil, WD40 or similar oils to oil
motor bearings.
Burners / Heat Exchangers / Flue Gas Passages
To inspect the burners, heat exchanger and interior flue gas pas-
sages, use a light and small mirror on an extension handle.
Check the exterior of the heat exchanger and the interior flue gas
passages for any evidence of deterioration due to corrosion,
cracking or other causes. If signs of scaling or sooting exist, re-
move the burners and clean the heat exchanger, as required.
50901 110202
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