CONTENTS

Page

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

17EX CHILLER FAMILIARIZATION . . . . . . . . . . . . . . . . . 5

Chiller Identi®cation Label . . . . . . . . . . . . . . . . . . . . . . . 5

System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Control Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Motor Starter (Purchased Separately) . . . . . . . . . . . . . . 5

Economizer/Storage Vessel . . . . . . . . . . . . . . . . . . . . . . 5

REFRIGERATION CYCLE . . . . . . . . . . . . . . . . . . . . . . . 5-8

OIL COOLING CYCLE . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Compressor Oil Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 8

External Gear Oil Cooling . . . . . . . . . . . . . . . . . . . . . . . . 8

LUBRICATION CYCLE . . . . . . . . . . . . . . . . . . . . . . . . . . 8,9

Compressor Lubrication Cycle . . . . . . . . . . . . . . . . . . . 8

External Gear Lubrication Cycle . . . . . . . . . . . . . . . . . . 9

STARTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-43De®nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

·ANALOG SIGNAL

·DIGITAL SIGNAL

·VOLATILE MEMORY

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 PIC System Components . . . . . . . . . . . . . . . . . . . . . . . 12

·PROCESSOR/SENSOR INPUT/OUTPUT MODULE (PSIO)

·STARTER MANAGEMENT MODULE (SMM)

·LOCAL INTERFACE DEVICE (LID)

·SIX-PACK RELAY BOARD

·EIGHT-INPUT MODULES

·FOUR-IN/TWO-OUT (4-IN/2-OUT) MODULE

·OIL HEATER CONTACTOR (1C)

·COMPRESSOR OIL PUMP CONTACTOR (2C) AND GEAR OIL PUMP CONTACTOR (5C)

·HOT GAS BYPASS CONTACTOR RELAY (3C) (Optional)

·OIL AUXILIARY RELAY (4C)

·CONTROL TRANSFORMERS (T1-T4)

·CONTROL AND OIL HEATER VOLTAGE SELECTOR (S1)

·OIL DIFFERENTIAL PRESSURE/POWER SUPPLY

MODULE

LID Operation and Menus . . . . . . . . . . . . . . . . . . . . . . . 16

·GENERAL

·ALARMS AND ALERTS

·LID DEFAULT SCREEN MENU ITEMS

·MENU STRUCTURE

·TO VIEW OR CHANGE POINT STATUS

·OVERRIDE OPERATIONS

·TO VIEW OR CHANGE TIME SCHEDULE OPERATION

·TO VIEW AND CHANGE SET POINTS

·SERVICE OPERATION

PIC System Functions . . . . . . . . . . . . . . . . . . . . . . . . . . 32

·CAPACITY CONTROL

·ENTERING CHILLED WATER CONTROL

·DEADBAND

·PROPORTIONAL BANDS AND GAIN

·DEMAND LIMITING

·CHILLER TIMERS

·OCCUPANCY SCHEDULE

Safety Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

·SHUNT TRIP

Default Screen Freeze . . . . . . . . . . . . . . . . . . . . . . . . . 33

Auxiliary Compressor Oil Pump Control . . . . . . . . . . 33

Auxiliary Gear Oil Pump Control . . . . . . . . . . . . . . . . 33

Shaft Seal Oil Control . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Ramp Loading Control . . . . . . . . . . . . . . . . . . . . . . . . . 33

Capacity Override . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

High Discharge Temperature Control . . . . . . . . . . . . . 35

Oil Sump Temperature Control . . . . . . . . . . . . . . . . . . 35

Oil Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Remote Start/Stop Controls . . . . . . . . . . . . . . . . . . . . . 36

Spare Safety Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Spare Alarm Contacts . . . . . . . . . . . . . . . . . . . . . . . . . 36

Condenser Pump Control . . . . . . . . . . . . . . . . . . . . . . 36

Condenser Freeze Prevention . . . . . . . . . . . . . . . . . . . 36

Tower-Fan Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Auto. Restart After Power Failure . . . . . . . . . . . . . . . . 36

Water/Brine Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Demand Limit Control, Option (Requires Optional

8-Input Module) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Surge Prevention Algorithm . . . . . . . . . . . . . . . . . . . . 37

Surge Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Lead/Lag Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

·COMMON POINT SENSOR INSTALLATION

·CHILLER COMMUNICATION WIRING

·LEAD/LAG OPERATION

·FAULTED CHILLER OPERATION

·LOAD BALANCING

·AUTO. RESTART AFTER POWER FAILURE

Ice Build Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

·ICE BUILD INITIATION

·START-UP/RECYCLE OPERATION

·TEMPERATURE CONTROL DURING ICE BUILD

·TERMINATION OF ICE BUILD

·RETURN TO NON-ICE BUILD OPERATIONS

Attach to Network Device Control . . . . . . . . . . . . . . . 41

·ATTACHING TO OTHER CCN MODULES

Service Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

·TO ACCESS THE SERVICE SCREENS

·TO LOG OFF

·HOLIDAY SCHEDULING

START-UP/SHUTDOWN/RECYCLE SEQUENCE . . . 43-45

Local Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Shutdown Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Automatic Soft Stop Amps Threshold . . . . . . . . . . . . 44

Chilled Water Recycle Mode . . . . . . . . . . . . . . . . . . . . 44

Safety Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

BEFORE INITIAL START-UP . . . . . . . . . . . . . . . . . . . 45-57

Job Data Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Using the Economizer/Storage Vessel and Pumpout

System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Remove Shipping Packaging . . . . . . . . . . . . . . . . . . . 45

·MOTOR

·EXTERNAL GEAR

Motor Electrical Connection . . . . . . . . . . . . . . . . . . . . 45

Motor Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . . 46

Open Oil Circuit Valves . . . . . . . . . . . . . . . . . . . . . . . . 46

Tighten All Gasketed Joints and Guide Vane

Shaft Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Check Chiller Tightness . . . . . . . . . . . . . . . . . . . . . . . . 46

Refrigerant Tracer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Leak Test the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Standing Vacuum Test . . . . . . . . . . . . . . . . . . . . . . . . . 49

Chiller Dehydration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

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Carrier 17EX specifications Contents
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17EX specifications

The Carrier 17EX is recognized as an innovative air conditioning solution that combines efficiency with advanced technology. This model is designed to meet the increasing demands of residential and commercial cooling needs while maintaining environmental consciousness.

One of the standout features of the Carrier 17EX is its impressive Seasonal Energy Efficiency Ratio (SEER) rating. With a SEER rating that often exceeds 17, this unit ensures optimized energy consumption, significantly lowering operational costs for users. The incorporation of advanced compressor technology allows the system to adjust its cooling output based on the specific needs of the environment, thus providing both comfort and energy savings.

The Carrier 17EX utilizes a variable-speed inverter-driven compressor that enhances its performance and adaptability. This technology allows the air conditioning unit to operate at different speeds, intelligently adjusting to changing load conditions. As a result, the system runs more efficiently and quietly, providing a more consistent comfort level without the abrupt temperature swings associated with traditional units.

In addition to efficiency, the Carrier 17EX also prioritizes reliability and durability. The unit comes with a robust cabinet that protects the components from weather elements, ensuring longevity and consistent performance. The innovative design integrates a corrosion-resistant finish and robust insulation, which further enhances the unit's resilience in various environmental conditions.

For users concerned about indoor air quality, the Carrier 17EX includes advanced filtration systems designed to capture allergens and airborne particles. This feature is particularly beneficial for individuals with respiratory issues, ensuring that the air circulated within the space is clean and healthy.

Moreover, the Carrier 17EX is equipped with smart technology capabilities, allowing users to control their systems remotely through smartphones or other smart devices. This connectivity not only provides convenience but also empowers homeowners to optimize their energy use by adjusting settings on the fly, ensuring efficient operation even when they are away from home.

Overall, the Carrier 17EX stands out in the marketplace for its exceptional energy efficiency, advanced technology, and commitment to providing reliable and effective cooling solutions. Its combination of modern features makes it a preferred choice for those looking to enhance comfort while being mindful of energy consumption and environmental impact.
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