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SPLIT SYSTEM AIR CONDITIONER

INSTALLATION INSTRUCTIONS

IMPORTANT SAFETY INFORMATION ................. 2

AIR CONDITIONER INSTALLATION ....................3

General Information .............................................. 3

Before You Install this Unit .....................................3

Locating the Air conditioner...................................3

Packaging Removal .............................................. 3

Ground Level .........................................................3

Roof Mount............................................................3

Connecting Refrigerant Tubing between the

Indoor & Outdoor Unit ........................................... 4

ELECTRICAL WIRING ...........................................4

Pre - Electrical Checklist ....................................... 4

Line Voltage ...........................................................4

Comfort Alert

Diagnostics Module ..................... 5

24VAC Power Wiring ........................................... 5

Thermostat Demand Wiring ................................ 5

Interpreting the Diagnostic LED’s ....................... 5

LED Description .................................................. 6

Grounding ............................................................. 6

Thermostat Low / Voltage Connections ................. 6

AIR CONDITIONER MAINTENANCE ....................6

STARTUP & ADJUSTMENTS ...............................7

Pre - Start Checklist .............................................. 7

Start-up Procedures .............................................. 7

Air Circulation - Indoor Blower .............................. 7

System Cooling ..................................................... 7

System Heating ..................................................... 7

DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

IMPORTANT

ATTENTION INSTALLERS:

It is your responsibility to know this product better than your customer. This includes

being able to install the product according to strict safety guidelines and instructing

the customer on how to operate and maintain the equipment for the life of the product.

Safety should always be the deciding factor when installing this product and using

common sense plays an important 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 in serious injury, death, or property

damage.

These instructions are primarily intended to assist qualiﬁed individuals experienced in

the proper installation of this appliance. Some local codes require licensed installation/

service personnel for this type of equipment. Please read all instructions carefully

before starting the installation. Return these instructions to the customer’s package

for future reference.

S4BD SERIES - 018, 024, 030, 036, 042, 048, & 060 (1.5, 2, 2.5, 3, 3.5, 4, & 5 Ton)

13 SEER, SINGLE PHASE MODELS

Refrigerant Charging ............................................. 7

Charging the Unit in AC Mode with

Outdoor Temperatures Above 55° F ......................8

Application Notes for Using Charging Charts ....... 8

S4BD CHARGING CHARTS .................................8

Figure 3. Charging Chart for 1.5 Ton Units .......... 8

Figure 4. Charging Chart for 2 Ton Units ............. 9

Figure 5. Charging Chart for 2.5 Ton Units .......... 9

Figure 6. Charging Chart for 3 Ton Units ........... 10

Figure 7. Charging Chart for 3.5 Ton Units ........ 10

Figure 8. Charging Chart for 4 Ton Units ........... 11

Figure 9. Charging Chart for 5 Ton Units ........... 11

S4BD CHARGING TABLES ................................. 12

Table 3. Charging Table for 1.5 Ton Units .......... 12

Table 4. Charging Table for 2 Ton Units ............. 12

Table 5. Charging Table for 2.5 Ton Units .......... 13

Table 6. Charging Table for 3 Ton Units ............. 13

Table 7. Charging Table for 3.5 Ton Units .......... 14

Table 8. Charging Table for 4 Ton Units ............. 14

Table 9. Charging Table for 5 Ton Units ............. 15

ELECTRICAL DIAGRAMS & TABLES ................ 16

Figure 10. W.D., Single Phase (1.5 - 5 Ton) ...... 16

Table 10. Comfort Alert LED Diagnostics .......... 17

Table 11. Module Wiring Troubleshooting .......... 18

INSTALL. / PERFORMANCE CHECKLIST ......... 20

REPLACEMENT PARTS ...................................... 20

1 2 3 4 5 6 ... 19 20

Sommario

Pagina 1 - IMPORTANT

SPLIT SYSTEM AIR CONDITIONERINSTALLATION INSTRUCTIONSIMPORTANT SAFETY INFORMATION ... 2AIR CONDITIONER INSTALLATION ...

Pagina 2 - CAUTION:

1025027530032535037540042545047550052555057560075 80 85 90 95 100 105 110115 120 125 130Liquid Temperature (F)Liquid Pressure (psig)135Remove refriger

Pagina 3 - AIR CONDITIONER INSTALLATION

11NOTE: Do not add or remove refrigerant if pressure reading is between the curves.Figure 8. Charging Chart for S4BD-048 Series (4 Ton Units) - TXV Ma

Pagina 4

12Table 3. Charging Table for S4BD-018 Series (1.5 Ton Units) - Oriﬁce MatchesSuct.Press.OUTDOOR TEMPERATURE (°F)70 75 80 85 90 95 100 105Liq.Press.Di

Pagina 5

13Table 5. Charging Table for S4BD-030 Series (2.5 Ton Units) - Oriﬁce MatchesSuct.Press.OUTDOOR TEMPERATURE (°F)70 75 80 85 90 95 100 105Liq.Press.Di

Pagina 6

14Table 7. Charging Table for S4BD-042 Series (3.5 Ton Units) - Oriﬁce MatchesSuct.Press.OUTDOOR TEMPERATURE (°F)70 75 80 85 90 95 100 105Liq.Press.Di

Pagina 7

15Suct.Press.OUTDOOR TEMPERATURE (°F)70 75 80 85 90 95 100 105Liq.Press.Dis.Temp.Liq.Press.Dis.Temp.Liq.Press.Dis.Temp.Liq.Press.Dis.Temp.Liq.Press.Di

Pagina 8

16Figure 10. Wiring Diagram for S4BD Single Phase Models(1.5, 2, 2.5, 3, 3.5, 4, & 5 Ton Units)Single Phase1. Couper le courant avant de faire let

Pagina 9

17COMFORT ALERT TROUBLESHOOTINGTable 10. LED DiagnosticsStatus LED Status LED Description Status LED Troubleshooting InformationPOWER(Green LED)Module

Pagina 10 - Liquid Pressure (psig)

18COMFORT ALERT TROUBLESHOOTING - CONTINUEDTable 10. LED Diagnostics - ContinuedStatus LED Status LED Description Status LED Troubleshooting Informat

Pagina 11

Pagina 12

2 WARNING:The information listed below must be followed during the installation, service, and operation of this unit. Unqualiﬁed individuals should no

Pagina 13

INSTALLATION / PERFORMANCE CHECK LISTELECTRICAL SYSTEMElectrical connections tight? YES NOLine voltage polarity correct? YES NORated Voltage: ________

Pagina 14

3AIR CONDITIONER INSTALLATIONGeneral InformationThe S4BD series air conditioner is designed only for outdoor rooftop or ground level installations. Th

Pagina 15

4Connecting Refrigerant Tubing Between the Indoor & Outdoor Unit CAUTION:When servicing, cover or seal openings to minimize the exposure of the re

Pagina 16 - ¢710388B¤

5• Providepowersupplyfortheunitinaccordancewiththeunit wiring diagram, and the unit rating plate. Connect the line-voltage leads to the ter

Pagina 17 - COMFORT ALERT TROUBLESHOOTING

6NOTES:• Factoryinstalled moduleshave different thermostatdemand signal wiring. Always follow manufacturer wiring instructions when replacing t

Pagina 18

7Refrigerant Charging WARNING:S4BD Split System Air Conditioners are shipped charged with R410A refrigerant and ready for installation. If repairs mak

Pagina 19

8Charging the Unit in AC mode at outdoor temperatures above55°Fforoptimizedsub-coolingof10°F-12°F.1. With the system operating at steady-st

Pagina 20 - REPLACEMENT PARTS

9NOTE: Do not add or remove refrigerant if pressure reading is between the curves.Figure 4. Charging Chart for S4BD-024 Series (2 Ton Units) - TXV Mat

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