Page 14
$
At the beginning of each heating or cooling season, the
system should be cleaned as follows:
$ %" $
1- Clean and inspect outdoor coil. (Coil may be flushed
with a water hose.
2- Outdoor fan motor is prelubricated and ports are
sealed with plugs. No further lubrication is required.
Oiling ports can be accessed for lubrication after exĆ
tended operation by removing plugs. Be sure to seĆ
curely reseal after servicing.
3- Visually inspect all connecting lines, joints and coils
for evidence of oil leaks.
4- Check for correct voltage at unit (unit operating).
5- Check all wiring for loose connections.
6- Check amp-draw on heat pump fan motor.
Unit nameplate_________Actual_________.
!!# !
1- Clean coil if necessary.
2- Check connecting lines, joints and coil for evidence
of oil leaks.
3- Check condensate line and clean if necessary.
!!# $
1- Clean or change filters.
2- Lubrication of blower motor: Use the following as a
guide:
a-
Prelubricated and
sealed. No further lubrication required.
b-
PrelubriĆ
cated for an extended period of operation. For exĆ
tended bearing life, relubricate with a few drops of
SAE 10 non-detergent oil once every two years.
It may be necessary to remove blower assembly
for access to oiling ports.
3- Adjust blower speed for cooling. The static pressure
drop over the coil should be checked to determine
the correct blower CFM. Refer to Lennox EngineerĆ
ing Handbook for Static Pressure and CFM tables.
4- Check all wiring for loose connections.
5- Check for correct voltage at unit.
6- Check amp-draw on blower motor.
Unit nameplate_________Actual_________.
#
LOW VOLTAGE FACTORY INSTALLED
LINE VOLTAGE FACTORY INSTALLED
LOW VOLTAGE FIELD INSTALLED
LOW VOLTAGE FACTORY INSTALLED
OUTDOOR
THERMOSTAT
(IF USED)
EM HEAT
RELAY
INDOORUNIT JUNCTION BOX
CONDUCTORONLY
USE COPPER
208-230/60/1
L1
L2
LOW VOLTAGE TERMINALS
COMPRESSOR
CONTACTOR
REFER TO UNIT RATING PLATE FOR MAXIĆ
MUM CIRCUIT AMPACITY AND MAXIMUM
FUSE SIZE.
THERMOSTAT
1
3 W2
RW1 G
A
L
R
M
E
X VR
V
Y
F
R
M
Y
V
X
L
A
OUTDOORUNIT
