Nordyne MS3BC042KA Installation Instructions Manual
Nordyne MS3BC042KA Installation Instructions Manual

Nordyne MS3BC042KA Installation Instructions Manual

Outdoor air conditioner 12 seer extra high efficiency split system

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Outdoor Air Conditioner
12 SEER Extra High Efficiency Split System
These units have been designed and tested for
capacity and effici e ncyin accordance with A. R. I.
Standards.
Split System Heat Pump units are
designed for use with a wide variety of fossil fuel
furnaces,
electric furnaces,
air handlers,
and
evaporator coil combinations.
These
instructions
are primarily
intended
to
assist qualified
individuals
experienced
in the
proper
installation
of
heating
and/or
air
conditioning
appliances.
Some
local codes
require licensed installation/service
personnel
for this type of equipment.
Read all instructions
carefully before starting the installation.
USER'S INFORMATION
Read this owner information to become familiar
with the capabilities
and use of your appliance.
Keep this with literature
on other appliances
where you have easy access to it in the future.
If a problem occurs, check the instructions and
follow recommendations
given. If these sug-
gestions don't eliminate your problem, call your
servicing
contractor
.
OPERATING
INSTRUCTIONS
To Operate You r Ai r Conditioner
for
Cooling
1. Set the thermostat system switch to COOL
or AUTO and the thermostat
fan switch to
AUTO. (See Figure 1)
2. Set the thermostat
temperature
to the
desired temperature
level using the tem-
perature selector. Please refer to the sepa-
rate detailed thermostat
user's manual for
complete
instructions
regarding
thermo-
stat programming.
The outdoor
unit and
indoor blower will both cycle on and off to
maintain
the indoor temperature
at the
desired cooling level.
To Operate
Your Furnace for
Heating
1. Set the thermostat system switch to HEAT
or AUTO and the thermostat fan switch to
AUTO.
(See Figure 1)
.
Set the thermostat
temperature
to the
desired temperature
level using the tem-
perature selector. Please refer to the sepa-
rate detailed user's manual for complete
thermostat programming
instructions. The
furnace and indoor blower will cycle on and
off to maintain the indoor temperature
at
the desired heating level.
To Shut Off Your Air Conditioner
Set the thermostat system switch to OFF and the
thermostat fan switch to AUTO.
(See Figure 1)
The system will not operate, regardless of the
thermostat
temperature
setting.
To Operate the Indoor Blower
Continuously
Set the thermostat
fan switch to ON
(See
Figure 1)
The indoor blower will start immediately,
and
will run continually
until the fan switch is reset to
AUTO.
SYSTEM SWITCH
FAN SWITCH
TEMPERATURESCALES
TEMPERATURE
SELECTOR
Figure 1.
Typical Thermostat

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Summary of Contents for Nordyne MS3BC042KA

  • Page 1 Outdoor Air Conditioner 12 SEER Extra High Efficiency Split System These units have been designed and tested for To Operate Your Furnace for capacity and effici e ncyin accordance with A. R. I. Heating Standards. Split System Heat Pump units are designed for use with a wide variety of fossil fuel 1.
  • Page 2: General Information

    The continuous indoor blower operation can be 1. GENERAL INFORMATION obtained with the thermostat system switch set in any position, including OFF. Read the following instructions completely fore performing the installation. The continuous indoor blower operation typically used to circulate the indoor air to Condensing Unit Section-- Each condensing...
  • Page 3: Site Preparation

    Cantilever Mount -- The cantilever mount WARNING: should be designed with adequate safety factor to support the weight of the equipment, and for Ensure all electrical power to the unit is loads subjected to the mount during operation. Installed equipment should be adequately off prior to installing or servicing...
  • Page 4: Making Electrical Connections

    installation replaces a system witha filterdryer Electrical Power Wiring -- Electrical power alreadypresent i ntheliquidline,thefilterdryer wiring shall comply with the current provi- mustbereplaced withtheonesupplied withthe sions of the "National Electrical Code" (ANSI/ unit. Thefilterdryermustbeinstalledinstrict NFPA 70) and with applicable local codes accordance w iththemanufacturer's installation having jurisdiction.
  • Page 5: Functional Checkout

    Usingextreme caution, a pplypowertothe unit Cooling Gradually lower the thermostat and inspectthe wiringfor evidenceof open, temperature setpoint below the actual room shorted, a nd/orimproperly wiredcircuits. temperature and observe that the outdoor unit and indoor blower energize. Feel the air being circulated by the indoor blower and verify that it Functional Checkout: is cooler than ambient temperature.
  • Page 6: Adjustment Of Refrigerant Charge

    NOTE: Other sources for heating (i.e.: electric NOTE: The following Refrigerant Charging furnace, fossil fuel furnace, air handler with Charts are applicable to matched assemblies of electric heat options, etc.) that interface with the our equipment and at listed airflows for the indoor coil.
  • Page 7 Refrigerant Charging Charts For Cooling Mode of Operation 1-1/2 OUTDOOR TEMPERATURE(°F) Sue. Press. J_.Press )is.Tem_ U_.Press 3is.Tem_ Li_.Press._is.Tem_.Li_.Press. Dis.Tem_Li_.PressDis.Tem_ LJ_.PressDis. TempU_.Press Dis. Temp LJ_.Press Dis.Temp ii_i_i_i_i_ii_i_i_!i!i!i!i!i_!.ii_i_i_i_i_i_i_i_ii_!_!!!!!i OUTDOOR TEMPERATURE ( °F ) SucIPress. U_IPress DisITem J_IPress )isITen/_ J_IPress. 3bITem F Li_IPress. DisITem£. U_IPress DisITem£ U_IPress DisITem£ Li_IPress DisITem£ U_IPress DisITem 2-1/2 OUTDOOR TEMPERATURE...
  • Page 8 Refrigerant Charging Charts For Cooling Mode of Operation 3-1/2 OUTDOOR TEMPERATURE (°F) Suc. Press. Liq. Press Dis.Temp Liq.Press Dis.Temp Liq.Press )is. Temp Jq. Press )is.Temp =Jq. P ress )is.Tern F Jq. Press )is. Temp =iq.Press )is. Tern F Liq. Press._is.Tem F OUTDOOR TEMPERATURE ( °F )

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