Adjustment Of Refrigerant Charge - Nordyne 13 SEER User Information

Indoor Blower — Set the thermostat function
switch to COOLING and the fan switch to ON.
Verify that the indoor blower is operating and
that airflow is not restricted. Set the fan switch
back to AUTO.
Cooling — Gradually lower the thermostat
temperature setpoint below the actual room
temperature and observe that the outdoor unit
and indoor blower energize. Feel the air being
circulated by the indoor blower and verify that it
is cooler than ambient temperature. Listen for
any unusual noises.
determine the source of the noise and correct
as necessary.
Heating — If provided with heating equipment,
lower the thermostat setpoint temperature to
the lowest obtainable setting and set the ther-
mostat function switch to HEATING. The in-
door blower and outdoor unit should stop run-
ning. Increase the setpoint temperature of the
thermostat to the maximum setting. Verify that
the heating equipment has been energized
(i.e., fossil fuel burner operating, etc.) and that
the indoor blower energizes after a short period
of time. Feel the air being circulated by the
indoor blower and verify that it is warmer than
ambient temperature. Listen for any unusual
noises. If present, locate and determine the
source of the noise and correct as necessary.
NOTE: Other sources for heating (i.e.: electric
furnace, fossil fuel furnace, air handler with
electric heat options, etc.) that interface with the
heat pump should be functionally checked to
verify system operation and compatibility with
the heat pump. Refer to the installation instruc-
tions for this equipment and perform a func-
tional checkout in accordance with the
manufacturer's instructions.
Model
Number
1-1/2 Ton
2 Ton
2-1/2 Ton
3 Ton
3-1/2 Ton
4 Ton
5 Ton (Coil only)
5 Ton (Air handler)
If present, locate and
Orifice Usage
13 SEER Split System Air Conditioner
Restrictor
Size (In.)
0.055
0.060
0.065
0.075
0.077
0.082
0.093
0.099

Adjustment of Refrigerant Charge:

! CAUTION:
Split system air conditioner equipment
contains liquid and gaseous refrigerant
under pressure.
refrigerant charge should only be
attempted by qualified, trained
personnel thoroughly familiar with the
equipment. Under no circumstances
should the homeowner attempt to
install and/or service this equipment.
Failure to comply with this warning
could result in equipment damage,
personal injury, or death.
NOTE: The following Refrigerant Charging
Charts are applicable to matched assemblies of
our equipment and at listed airflows for the
indoor coil. Assemblies of indoor coils and
outdoor units not listed are not recommended
and deviations from rated airflows or non-listed
equipment combinations may require modifica-
tions to the expansion device(s) and refrigerant
charging procedures for proper and efficient
system operation.
Refrigerant Charging Chart — Refer to Re-
frigerant Charging Charts for correct system
charging, and to Orifice Usage Chart for correct
restrictor sizes.
Optional Equipment — A functional checkout
should be performed in accordance with the
checkout procedures supplied with the equip-
ment.
System Charge
R-22 oz.
Adjustment of
61
63
68
82
102
110
155
155
5