Carrier 23XRV manual Guide specifications

Page 30

Guide specifications (cont)

manual rotation of the lead chiller and a stag- gered restart of the chillers after a power fail- ure. The lead/lag system shall include load balancing if configured to do so.

H.Electrical Requirements:

1.Electrical contractor shall supply and install main electrical power line, disconnect switches, circuit breakers, and electrical protection devices per local code requirements and as indi- cated necessary by the chiller manufacturer.

2.Electrical contractor shall wire the chilled water pump and flow, condenser water pump and flow, and tower fan control circuit to the chiller control circuit.

3.Electrical contractor shall supply and install electrical wiring and devices required to inter- face the chiller controls with the building control system if applicable.

4.Electrical power shall be supplied to the unit at the voltage, phase, and frequency listed in the equipment schedule.

I.Piping Requirements — Instrumentation and Safeties:

1.Mechanical contractor shall supply and install pressure gages in readily accessible locations in piping adjacent to the chiller such that they can be easily read from a standing position on the floor. Scale range shall be such that design val- ues shall be indicated at approximately mid- scale.

2.Gages shall be installed in the entering and leav- ing water lines of the cooler and condenser.

J.Vibration Isolation:

Chiller manufacturer shall furnish neoprene isolator pads for mounting equipment on a level concrete surface.

K.Start-Up:

1.The chiller manufacturer shall provide a factory- trained representative, employed by the chiller manufacturer, to perform the start-up proce- dures as outlined in the Start-Up, Operation and Maintenance manual provided by the chiller manufacturer.

2.Manufacturer shall supply the following literature:

a.Start-up, operation and maintenance instructions.

b.Installation instructions.

c.Field wiring diagrams.

d.One complete set of certified drawings.

L.Special Features:

1.Soleplate Package:

Unit manufacturer shall furnish a soleplate package consisting of soleplates, jacking screws, leveling pads, and neoprene pads.

2.Spring Isolators:

Spring isolators shall be field furnished and selected for the desired degree of isolation.

3.Spare Sensors with Leads:

Unit manufacturer shall furnish additional tem- perature sensors and leads.

4.Sound Insulation Kit:

Unit manufacturer shall furnish a sound insula- tion kit that covers the compressor housing, motor housing, compressor discharge pipe, suction line, evaporator, and economizer (if equipped).

5.Stand-Alone Pumpout Unit:

A free-standing pumpout unit shall be provided. The pumpout unit shall use a semi-hermetic reciprocating compressor with liquid-cooled condenser. Condenser liquid piping and 3-phase motor power shall be installed at the jobsite by the installing contractor.

6.Separate Storage Tank and Pumpout Unit:

A free-standing refrigerant storage tank and pumpout unit shall be provided. The storage vessels shall be designed per ASME Section VIII Division 1 code with 150 psig (1034 kPa) design pressure. Double relief valves per ANSI/ ASHRAE 15, latest edition, shall be provided. The tank shall include a liquid level gage and pressure gage. The pumpout shall use a hermetic reciprocating compressor with water- cooled condenser. Condenser water piping and 3-phase motor power shall be installed at the jobsite by the installing contractor.

7.Building Control System Interface (LON):

The chiller control system shall have the ability to interface and communicate directly to the building control using a LON based system. The LonWorks Carrier Translator shall output data in standard LON profiles.

8.Refrigerant Charge:

The chiller shall ship from the factory fully charged with R-134a refrigerant and oil.

9.Thermal Insulation:

Unit manufacturer shall insulate the cooler shell, economizer, suction elbow, motor shell and motor cooling lines. Insulation shall be 1 in. (25.4 mm) thick with a thermal conductivity not exceeding

0.28

(Btu · in.)

( 0.0404

W

)

hr. Ft2 F

m C

and shall conform to UL standard 94, classifica- tion 94 HF-1.

10.Automatic Hot Gas Bypass:

Hot gas bypass valve and piping shall be factory-furnished to permit chiller operation for extended periods of time.

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Contents Features/Benefits Product reliability23XRV Table of contents Heat exchanger features Microprocessor controls featuresModel number nomenclature A23-164823XRV Heat Exchanger Weights 23XRV Compressor and Motor WeightsComponent Weights Physical dataFrame Additional Weights for 23XRV Marine WaterboxesNumber Passes→ Options and accessories Option ACCESSORY†23XRV Dimensions NOZZLE-IN-HEAD Waterbox Dimensions23XRV Dimensions 23XRV Dimensions Marine Waterbox23XRV Heat Exchanger MIN/MAX Flow Rates Performance dataNozzle Size Cooler PassElectrical data VFD Frame SizesAuxiliary Ratings Microprocessor controls FeaturesControls Control systemControl Panel Display Front View CCN Communication Wiring for Multiple Chillers Typical CCMControl sequence Control SequenceTypical piping and wiring 23XRV ChillerControl wiring schematic 23XRV Component ArrangementGND Ground → 23XRV Machine Footprint Dimensions mmApplication data 23XRV23XRV Isolation with Accessory Soleplate Package A23-1647Condenser Waterboxes 23XRV Nozzle ArrangementsCooler Waterboxes Out23XRV Nozzle Arrangements Relief Valve Locations Relief Valve ArrangementsAsme stamping Vent and drain connectionsRelief valve discharge pipe sizing Design pressuresInsulation → Minimum fluid loop volume23XRV Minimum FIELD-INSTALLED Insulation Requirements Condensation VS Relative HumidityGuide specifications Hvac Guide SpecificationsWarranty Guide specifications Page Guide specifications Page Guide specifications Page Carrier Corporation Syracuse, New York 910

23XRV specifications

The Carrier 23XRV is a high-performance commercial rooftop unit designed for versatility and efficiency in various applications. As part of Carrier's commitment to providing superior HVAC solutions, the 23XRV combines advanced technologies with robust construction to meet the demands of modern commercial environments.

One of the standout features of the 23XRV is its superior energy efficiency. The unit is equipped with a variable speed compressor that adjusts the cooling output based on real-time demand. This allows for optimal efficiency even during partial load conditions, significantly reducing energy consumption and operational costs. It boasts a high SEER (Seasonal Energy Efficiency Ratio) and EER (Energy Efficiency Ratio) ratings, making it an environmentally friendly option that helps to lower carbon footprints.

The 23XRV is constructed with a strong focus on durability. Its robust frame and high-quality materials ensure resilience against harsh weather conditions and extend the unit's service life. The design also incorporates sound-attenuating features, minimizing operational noise and making it suitable for noise-sensitive environments like schools and hospitals.

In terms of technology, the Carrier 23XRV utilizes advanced microprocessor controls that enable precise temperature management and system diagnostics. This smart control system provides enhanced functionality, allowing for easy monitoring and configuration through a user-friendly interface. Additionally, the unit is compatible with remote monitoring systems, enabling building managers to track performance and make adjustments as necessary from any location.

The refrigerant used in the 23XRV is R-410A, which is chlorine-free and meets stringent environmental regulations. The choice of refrigerant not only enhances the efficiency of the system but also aligns with global efforts to phase out ozone-depleting substances.

Maintenance and serviceability are also key considerations in the design of the 23XRV. Features such as easy access to components for routine maintenance, modular construction for quicker repairs, and extensive diagnostic capabilities reduce downtime and enhance overall reliability.

Overall, the Carrier 23XRV stands out in the commercial HVAC market with its combination of efficiency, durability, and advanced technology. It is an excellent choice for various commercial applications, providing reliable performance and improved energy management for building owners and operators looking to enhance their HVAC systems.
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