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IMPORTANT SAFETY INFORMATION

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:

ELECTRICAL SHOCK, FIRE OR

EXPLOSION HAZARD

Failure to follow safety warnings exactly could 

result in serious injury, death or property damage.
Improper servicing could result in dangerous 

operation, serious injury, death or property 

damage.
•  Before servicing, disconnect all electrical power 

to the indoor blower.

•  When servicing controls, label all wires prior 

to disconnecting. Reconnect wires correctly.

•  Verify proper operation after servicing.

 WARNING:

These units are fully charged with R-410A 

refrigerant and ready for installation. When 

a system is installed according to these 

instructions, no refrigerant charging is required. 

If repairs make it necessary for evacuation and 

charging, it should only be attempted by qualified, 

trained personnel thoroughly familiar with this 

equipment. Some local codes require licensed 

installation service personnel to service this type 

of equipment. Under no circumstances should 

the equipment owner attempt to install and/or 

service this equipment. Failure to comply with 

this warning could result in equipment damage, 

personal injury, or death.

 WARNING:

Do not place combustible material on or against 

the unit cabinet. Do not place combustible 

materials, including gasoline and any other 

flammable vapors and liquids, in the vicinity of 

the unit. Failure to follow safety recommendations 

could result in possible damage to the equipment, 

serious personal injury or death.

 CAUTION:

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

any other refrigerant in this unit. Use of another 

refrigerant will damage the unit.

 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. If you do not posses mechanical 

skills or tools, call your local dealer for assistance. 

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 

CI) 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.

•  Before beginning the installation, verify that the unit model is 

correct for the job. The unit model number is printed on the 

data label.

• 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.

•  This unit is designed for outdoor installations only and should be 

located in a position as shown on 

page 4

Unit dimensions 

are shown in 

Figure 9 

Table 3, (page 11)

.

•  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.

•  The installer should become familiar with the units wiring 

diagram before making any electrical connections to the unit. 

See the unit wiring label or 

Figure 10 (page 12)

 and 

Figure 

11 (page 13)

.

•  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.

• Use caution when handling this appliance or removing 

components. Personal injury can occur from sharp metal 

edges present in all sheet metal constructed equipment.

Summary of Contents for WSPM 018J

Page 1: ...mportant role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety warnings could result...

Page 2: ...Voltage Connections 7 Cooling Only Thermostat 8 Heat Cool Thermostat 8 Blower Speed ECM Motor 8 START UP ADJUSTMENTS 8 Pre Start Checklist 8 Start Up Procedure 8 Air Circulation 10 System Cooling 10 S...

Page 3: ...ted 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 If you do not...

Page 4: ...s Please read all instructions before installing the unit Locating the Air Conditioner Survey the job site to determine the best location for mounting the outdoor unit Select a solid level position pr...

Page 5: ...stive duct systems it may be necessary to add anadditionalreturnairductandorsupplytoachievemaximum performance and prevent coil icing and refrigerant flood back The air conditioning output of the syst...

Page 6: ...ide of the home where the air conditioner is located 1 Locate the center of the heat duct by cutting a small hole in the fiberboard below the duct at the desired location 2 Cut a hole approximately 3...

Page 7: ...tion serious injury death or property damage Beforeservicing disconnectallelectricalpower to the indoor blower When servicing controls label all wires prior to disconnecting Reconnect wires correctly...

Page 8: ...rflow data found in Table 2 page 9 Place appropriate wire on the appropriate motor speed tap for the required airflow 4 Check all factory wiring as shown in the wiring diagram and inspect the connecti...

Page 9: ...27 1104 29 1051 30 992 32 Tap T3 1460 22 1415 22 1385 23 1335 24 1275 25 1225 26 1170 27 1120 28 Tap T4 1502 21 1466 22 1437 22 1388 23 1345 23 1305 24 1251 25 1204 26 Tap T5 1565 20 1525 21 1490 21 1...

Page 10: ...ble filters with the same type and size Do not add additional oil to motors unequipped with oil tubes Thecompressorishermeticallysealedatthefactoryanddoes not require lubrication 3 Set the system mode...

Page 11: ...12 13 1 38 3 2 3 2 5 29 Side View Figure 9 Unit Dimensions A 3 Opening for 12 Diameter Supply Duct 9 15 17 50 9 0 Opening for 14 Diameter Return Duct 10 15 5 5 B 1 3 15 Rear View 3 5 4 5 Ton MODEL NU...

Page 12: ...en cuivre 3 Ne convient pas aux installations de plus de 150 V a la terre FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE WIRING DIAGRAM Packaged Air Conditioner Single Phase NOTES 1 Disconnect all powe...

Page 13: ...conducteurs en cuivre 3 Ne convient pas aux installations de plus de 150 V a la terre FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE WIRING DIAGRAM Packaged Air Conditioner Single Phase NOTES 1 Disconne...

Page 14: ...358 150 146 294 137 316 141 338 145 359 150 381 154 148 317 141 338 145 360 149 381 154 404 158 150 317 141 339 145 361 149 382 153 404 158 152 340 145 362 149 383 153 405 157 154 363 149 384 153 406...

Page 15: ...55 146 357 182 378 171 398 162 415 160 148 380 181 401 172 421 164 150 403 181 423 173 152 426 182 154 SUCT PRESS OUTDOOR TEMPERATURE F 70 75 80 85 90 95 100 105 LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP...

Page 16: ...for 4 Ton Units 048J Model INDOOR WET BULB TEMPERATURE F 57 59 61 63 65 67 69 71 73 75 77 OUTDOOR DRY BULB TEMPERATURE F 60 26 6 27 9 29 5 31 5 33 7 36 3 39 2 40 0 40 0 40 0 40 0 65 21 6 22 8 24 3 26...

Page 17: ...20 440 460 480 500 520 540 560 580 600 75 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Pressure psig Liquid Temperature F Remove refrigerant when above curve Add refrigerant when below curve Fig...

Page 18: ...18...

Page 19: ...19...

Page 20: ...ostat been calibrated YES NO Is the thermostat level YES NO Is the heat anticipator setting correct If Applicable YES NO Rated Voltage _________________________________________________________________...

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