Nordyne MS3BA030KA User Manual

Outdoor Air Conditioner
10 SEER Standard Efficiency Split System
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.
These units have been designed and tested for
capacity and efficiency in accordance with ARI
Standards. Split System Air Conditioning units
are designed for use with a wide variety of fossil
fuel furnaces, electric furnaces, air handlers,
and evaporator coil combinations.
USER'S iNFORMATiON
.
Set the thermostat temperature to the
desired temperature level by using the
temperature selector. Please refer to the
separate 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.
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
suggestions don't eliminate your problem, call
your servicing contractor.
OPERATING iNSTRUCTiONS
To Operate Your Air Conditioner
for Cooling m
I. Set the thermostat system switch to COOL
or AUTO and the thermostat fan switch to
AUTO. (See Figure I)
2. Set the thermostat temperature to the
desired temperature level by using the
temperature selector. Please refer to the
separate detailed thermostat user's manual
for complete instructions regarding
thermostat 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 I)
To Shut OffYour Air Conditioner
Set the thermostat system switch to OFF and the
thermostat fan switch to AUTO. (See Figure I)
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 I )
The indoor blower will start immediately, and will
run continually until the fan switch is reset to
AUTO.
The continuous indoor blower operation can
be obtained with the thermostat system switch
set in any position, including OFF.
SYSTEM SWITCH
FAN SWITCH
Figure 1. Typical Thermostat

Nordyne MS3BA030KA Specifications

General

Phase	1
Refrigerant	R-410A
Tonnage	2.5 Tons
Cooling Capacity	30, 000 BTU/h
SEER Rating	13 SEER
Voltage	208/230V

Summary

User Information and Operating Instructions

Operating Instructions

Guidance on operating the air conditioner for cooling, heating, shutdown, and continuous blower.

Maintenance and Important Information

To Maintain Your Air Conditioner

Instructions for regular maintenance, seasonal checks, and pre-service calls.

Read Your Warranty

Information regarding the system's warranty document.

General Information

Read installation instructions completely before performing the installation.

Safety Considerations

Crucial safety warnings and guidelines for installation and servicing personnel.

Installation Site and Unit Preparation

Site Preparation

Steps for preparing the installation site, including unpacking and inspection.

Installing the Outdoor Unit

Guidance on mounting the outdoor unit, including slab, cantilever, and roof mounts.

Installing the Indoor Unit

Instructions for installing the indoor section of the split system.

Connecting Refrigerant Tubing

Procedures for routing and connecting refrigerant tubing between units.

Electrical and Start-up Procedures

Making Electrical Connections

Guidelines for wiring power, control circuits, and disconnect switches.

Start-Up and Checkout

Steps for ensuring proper system operation after installation.

Adjustment of Refrigerant Charge

Warning and guidance for qualified personnel on refrigerant charge adjustment.

Refrigerant Charging Charts

Orifice Usage

Table detailing restrictor sizes for different model capacities.

Refrigerant Charging Charts for Cooling Mode

Tables providing charge values based on outdoor temperature and system size.