Carrier 50PSW036-360 specifications Contents, Safety Considerations

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AQUAZONE™ 50PSW036-360 Water-to-Water Water Source Heat Pump

with PURON® Refrigerant (R-410A) 50 Hz

Installation, Start-Up, and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

•STORAGE

•PROTECTION

•INSPECT UNIT

Step 3 — Locate Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Step 4 — Mount Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Step 5 — Connect Piping. . . . . . . . . . . . . . . . . . . . . . . . . 5

•WATER SUPPLY AND QUALITY

•WATER LOOP APPLICATIONS

•GROUND-WATER APPLICATIONS

•GROUND-LOOP APPLICATIONS

•UNIT LOAD PIPING

Step 6 — Wire Electrical Connections . . . . . . . . . . . . 7

•POWER CONNECTION

•SUPPLY VOLTAGE

•EXTERNAL LOOP POWER CONNECTION

•220-V OPERATION

•380-V OPERATION

Step 7 — Wire Low Voltage Connections . . . . . . . . 12

•THERMOSTAT CONNECTIONS

•WATER FREEZE PROTECTION

•ACCESSORY CONNECTIONS

•WATER SOLENOID VALVES

PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . .13,14

Complete C Control Jumper Settings. . . . . . . . . . . 13

Complete C Control DIP Switches. . . . . . . . . . . . . . 13

Deluxe D Control Jumper Settings . . . . . . . . . . . . . 13

Deluxe D Control DIP Switches . . . . . . . . . . . . . . . . 13

Deluxe D Control Accessory Relay

Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-16

Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Unit Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 14

Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Cleaning and Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 16

Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems . . . . . . . . . . . . . . . . 16

OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Units with Aquazone Complete C Control . . . . . . . 16 Units with Aquazone Deluxe D Control . . . . . . . . . . 16 SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16,17

Page

Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Aquazone Deluxe D Control LED Indicators . . . . . 17

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18,19

Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 19

Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 19-21

50PSW START-UP CHECKLIST . . . . . . . . . . . CL-1,CL-2

IMPORTANT: Read the entire instruction manual before starting installation.

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical compo- nents. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance func- tion of cleaning coils. All other operations should be performed by trained service personnel. When working on air-condition- ing equipment, observe precautions in the literature, tags and labels attached to the unit, and other safety precautions that may apply.

Improper installation, adjustment, alteration, service, main- tenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individ- ual instructions packaged with the kits or accessories when installing.

Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and the National Electrical Code (NEC, U.S.A.) for special installation requirements.

Understand the signal words — DANGER, WARNING, and CAUTION. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARN- ING signifies hazards that could result in personal injury or death. CAUTION is used to identify unsafe practices, which would result in minor personal injury or product and property damage.

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500073-01

Printed in U.S.A.

Form 50PSW-C1SI

Pg 1

10-10

Replaces: New

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Contents Safety Considerations ContentsGeneral Installation50PSW Unit Physical Data Overall Cabinet Electric Access Plugs50PSW HWG Unit Size50PSW180,360 Unit Teflon* tape thread sealant is recommended to minimize Condition Closed Open Loop and Recirculating Well Water Quality GuidelinesRECIRCULATING† 50PSW Electrical Data Wire Electrical ConnectionsMIN/MAX RLA LRA QTY FLA FP2 FP1JW1 LEDComp AstatDTS HpwsCompressor Field Wiring Terminal Block Compressor Contactor Alarm Relay Contacts Motor SwitchHot Water Generator Field Line Voltage Wiring Jumper Wire for Alarm Field Low Voltage WiringTypical Aquazone 50PSW360 Deluxe D Control Wiring, 3-Phase PRE-START-UP Wire Low Voltage ConnectionsDeluxe D Control Jumper Settings See Fig Complete C Control Jumper Settings See FigDIP Switch Block S2 Accessory 1 Relay Options Accessory DIP Switch Position Relay OptionsSTART-UP DIP Switch Block S2 Accessory 2 Relay OptionsOperating Limits See Table Unit Start-UpUnit Size Heat Exchanger Pressure DropUnits with Aquazone Complete C Control OperationUnits with Aquazone Deluxe D Control System TestLED Status Description Alarm Relay Operation Complete C Control LED Code Fault DescriptionsLED Fault Description Code Aquazone Deluxe D Control LED IndicaDescription Status LED Test LED ServiceESD Refrigerant Charging TroubleshootingFP1 and FP2 Thermistor Location Fault Heating Cooling Possible Cause Solution TroubleshootingCopyright 2010 Carrier Corporation II. START-UP 50PSW START-UP ChecklistDescription Heating Cooling Heating and Cooling Cycle AnalysisCLG HTG

50PSW036-360 specifications

The Carrier 50PSW036-360 is a highly efficient and reliable rooftop unit designed for commercial applications. It combines advanced technologies and innovative features to provide optimal indoor comfort while ensuring energy savings and ease of operation. Its robust construction and numerous functionalities make the 50PSW036-360 an ideal choice for various building types, from retail spaces to office complexes.

One of the main features of the Carrier 50PSW036-360 is its efficient cooling and heating capabilities. It employs state-of-the-art scroll compressors, which deliver consistent performance and lower noise levels while consuming less energy compared to conventional compressors. This translates into significant energy savings, making it a cost-effective solution for businesses aiming to reduce their operational expenses.

The unit is equipped with a range of advanced technologies, including Carrier’s EcoBlue™ technology, which optimizes airflow and enhances energy efficiency. This technology helps achieve higher SEER (Seasonal Energy Efficiency Ratio) ratings, allowing users to benefit from lower utility bills without sacrificing comfort. Additionally, the unit comes with smart control options, enabling users to easily manage and monitor temperature settings, fan speeds, and energy consumption through intuitive interfaces.

The Carrier 50PSW036-360 also emphasizes versatility and adaptability. It has a compact design that makes it easy to install on rooftops, while its extensive selection of options, such as electric heat and economizers, allows it to be configured to meet various application requirements. Its advanced filtration system ensures high indoor air quality by removing dust, allergens, and other pollutants, which is essential for maintaining a healthy indoor environment.

Durability is another characteristic that sets the Carrier 50PSW036-360 apart. The unit is constructed using high-quality materials designed to withstand the rigors of outdoor environments. This ensures longevity and reliability, making it an excellent long-term investment for businesses.

In summary, the Carrier 50PSW036-360 is a top-of-the-line rooftop unit, ideal for commercial applications. Its blend of energy efficiency, advanced technologies, and robust construction makes it a preferred choice for maintaining optimal indoor climate conditions. With its versatility, durability, and ease of use, this system ensures comfort for occupants while helping businesses achieve their sustainability goals.
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