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 WARNING:

The information listed below must be followed 

during the installation, service, and operation 

of this unit. Unqualified individuals should 

not attempt to interpret these instructions or 

install this equipment. Failure to follow safety 

recommendations could result in possible 

damage to the equipment, serious personal 

injury or death.

• The installer must comply with all local codes and 

regulations which govern the installation of this type of 

equipment. Local codes and regulations take precedence 

over any recommendations contained in these instructions. 

Consult local building codes and the National Electrical 

Code (ANSI) for special installation requirements.

•  All electrical wiring must be completed in accordance with 

local, state and national codes and regulations and with 

the National Electric Code (ANSI/NFPA 70) or in Canada 

the Canadian Electric Code Part 1 CSA C.22.1.

•  This equipment contains liquid and gaseous refrigerant 

under high pressure. DO NOT USE ANY PORTION OF THE 

CHARGE FOR PURGING OR LEAK TESTING.Installation 

or servicing should only be performed by qualified trained 

personnel thoroughly familiar with this type equipment.

•  Fully annealed, refrigerant grade copper tubing should be 

used when installing the system. Refrigerant suction line 

tubing should be fully insulated.

•  Installation of equipment may require brazing operations. 

Installer must comply with safety codes and wear 

appropriate safety equipment (safety glasses, work gloves, 

fire extinguisher, etc.) when performing brazing operations.

•  Follow all precautions in the literature, on tags, and on 

labels provided with the equipment. Read and thoroughly 

understand the instructions provided with the equipment 

prior to performing the installation and operational checkout 

of the equipment.

•  When refrigerant tubing and electrical wiring penetrates a 

structures envelope, the openings should be made to be 

suitably water-tight after their installation.

•  This unit is designed for outdoor installations only and 

should be positioned as shown on 

page 3

.

IMPORTANT SAFETY INFORMATION

INSTALLER: Please read all instructions before servicing 

this equipment. Pay attention to all safety warnings and any 

other special notes highlighted in the manual. Safety markings 

are used frequently throughout this manual to designate a 

degree or level of seriousness and should not be ignored.

WARNING

 indicates a potentially hazardous situation that if 

not avoided, could result in personal injury or death.

CAUTION

 indicates a potentially hazardous situation that 

if not avoided, may result in minor or moderate injury or 

property damage.

 WARNING:

Shut off all electrical power to the unit before 

performing any maintenance or service on the 

system. Failure to comply may result in personal 

injury or death.

 WARNING:

Unless noted otherwise in these instructions, 

only factory authorized parts or accessory 

kits may be used with this product. Improper 

installation, service, adjustment, or maintenance 

may cause explosion, fire, electrical shock or 

other hazardous conditions which may result in 

personal injury or property damage

 WARNING:

*SA3BD4M Split System Air Conditioners are 

shipped charged with R410A refrigerant and 

ready for installation. If repairs make it necessary 

for evacuation and charging, it should only 

be attempted by qualified trained personnel 

thoroughly familiar with this equipment. Under 

no circumstances should the owner attempt to 

install and/or service this equipment. Failure to 

comply with this warning could result in property 

damage, personal injury, or death.

 CAUTION:

This unit uses refrigerant R-410A. DO NOT use 

any other refrigerant in this unit. Use of another 

refrigerant will damage the unit.

Содержание 1SN18K

Страница 1: ...stallation Return these instructions to the customer s package for future reference DO NOT DESTROY PLEASE READ CAREFULLY KEEP IN A SAFE PLACE FOR FUTURE REFERENCE IMPORTANT SAFETY INFORMATION 2 AIR CO...

Страница 2: ...checkout of the equipment When refrigerant tubing and electrical wiring penetrates a structures envelope the openings should be made to be suitably water tight after their installation This unit is de...

Страница 3: ...for unobstructed airflow through the outdoor coil must be maintained in order to achieve rated performance See Figure 1 for minimum clearances to obstructions Overhead obstructions Figure 1 poorly ve...

Страница 4: ...nds and contact of the refrigerant lines with metal surfaces Refrigeranttubingshouldbesupportedinamannerthatthe tubing will not vibrate or abrade during system operation Tubing should be kept clean of...

Страница 5: ...quire modification to the expansion device and refrigerant charging procedures for proper and efficient system operation Therefrigerantchargecanbecheckedandadjustedthrough the service ports provided e...

Страница 6: ...ccordance with the unit wiring diagram and the unit rating plate Connect the line voltage leads to the terminals on the contactor inside the control compartment Use only copper wire for the line volta...

Страница 7: ...al and Figure 3 for panel installation Inspect the electrical connections for tightness at the beginning of each heating and cooling season Service as necessary Do not attempt to add additional oil or...

Страница 8: ...erify that the thermostat is set to the stand by or off setting And the fan switch is set to automatic or off Start Up Procedures The thermostat s function mode should be set to OFF and the fan mode s...

Страница 9: ...troubleshooting a system The system should be charged to match the superheat or subcooling targets as previously noted and not to match the system pressures Follow the same procedure described in 4b a...

Страница 10: ...Quick Reference Data sheet 2 Calculate the amount of additional refrigerant needed for thelinesetlengthoftheactualinstallation Thisinformation is on the first page of the unit s QRD Quick Reference Da...

Страница 11: ...itable for 105 deg C 5 For ampacities and overcurrent protection see unit rating plate 6 Connect to 24 VAC 40VA class 2 circuit See furnace airhandler installation instructions for control circuit and...

Страница 12: ...llon MO Nortek Global HVAC LLC 2022 All Rights Reserved REPLACEMENT PARTS Replacement parts are available through your distributor Please have the complete model and serial number of the unit when ord...

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