Carrier Complete Installation Instructions for 33cssn2-fc Series Fan Coil Units

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42C,D,S,V Series Fan Coil Air Conditioners

Installation, Start-Up and Service

Instructions

CONTENTS

Page SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

PRE-INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39 Unpack and Inspect Units . . . . . . . . . . . . . . . . . . . . . . . . 3 Protect Units From Damage . . . . . . . . . . . . . . . . . . . . . . 3 Prepare Jobsite for Unit Installation . . . . . . . . . . . . . . 3 Identify and Prepare Units. . . . . . . . . . . . . . . . . . . . . . . . 3

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-67 Step 1 — Place Units in Position . . . . . . . . . . . . . . . . 40

42C UNITS

42V UNITS

42D UNITS

42S UNITS

Step 2 — Make Piping Connections . . . . . . . . . . . . . 42

VALVE PACKAGES

42C,D,V DRAIN CONNECTIONS

42C,D,V WATER SUPPLY/RETURN CONNECTIONS

42C,D,V STEAM CONNECTIONS

42C,D,V DIRECT EXPANSION (DX) REFRIGERANT PIPING

TEST AND INSULATE

Step 3 — Make Electrical Connections . . . . . . . . . . 55

• STANDARD WIRING PACKAGES

Step 4 — Make Duct Connections . . . . . . . . . . . . . . . 66 Step 5 — Frame and Finish Unit. . . . . . . . . . . . . . . . . 66

Step 6 — Cut out Openings for Grilles and Thermostats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Step 7 — Make Final Preparations. . . . . . . . . . . . . . . 67 START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67,68 Excessive Condensation on Unit. . . . . . . . . . . . . . . . 67 To Clean Coil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Coil Air Vent (Manual or Automatic) . . . . . . . . . . . . . 67 Check Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Fan Motor Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Clean Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Clean Electric Heater. . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Clean or Replace Air Filters . . . . . . . . . . . . . . . . . . . . . 68 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

START-UP CHECKLIST FOR 42C,D,S,V SERIES FAN COIL AIR CONDITIONERS. . . . . . . . CL-1, CL-2

SAFETY CONSIDERATIONS

Installation of this unit can be hazardous due to electrical com- ponents and equipment location (such as a ceiling or elevated structure). Only trained, qualified installers and service mechanics should install and service this equipment.

When installing this unit, observe precautions in the literature, labels attached to the equipment, and any other safety precau- tions that apply.

Follow all safety codes.

Wear safety glasses and work gloves.

Use care in handling and installing this accessory.

WARNING

ELECTRIC SHOCK HAZARD To avoid the possibility of electrical shock, open and tag all service switches before installing this equipment.

INTRODUCTION

This document contains general installation instructions for the 42C,D,S,V unit fan coils. Refer to the unit-wiring diagram installed on the blower housing or specific manufacturer litera- ture for any other type of factory-mounted controls.

See drawings for unit configurations, dimensions, clearances, and pipe connections. Refer to unit wiring label for all electrical connections; follow NEC (National Electrical Code) and local codes.

PHYSICAL DATA

Component weight data, shipping weights, and filter data of the 42C,D,S,V units are provided in Tables 1-4.

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

Catalog No. 04-53420004-01

Printed in U.S.A.

Form 42-3SI

Pg 1

12-09

Replaces: 42-2SI

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Contents Installation, Start-Up and Service Instructions Physical Data 42C Series Units PRE-INSTALLATION Unit NOM QTY/UNIT Face Unit Airflow Area Weight Size42CA Furred-In Horizontal Unit with Electric Heat Dimensions A42-4101 42CE Furred-In Horizontal Unit with Plenum DimensionsA42-4102 A42-4103 QTY/UNIT Face Unit Airflow Area WeightA42-4104 A42-4105 42CG Horizontal Cabinet Unit Dimensions42CG Horizontal Cabinet with Electric Heat Dimensions QTY/UNIT Bottom Return Airflow Size A42-4149A42-4150 QTY/UNIT Rear Return Airflow Size A42-4151A42-4152 QTY/UNIT Face Area Unit Weight Airflow Size 42CK Horizontal Cabinet Unit with Telescopic Access PanelUnit Size NOM Airflow QTY/UNIT Face Area Unit Weight42VA Furred-In Vertical Unit Dimensions 42VB Vertical Cabinet Unit Dimensions 42VF Vertical Cabinet Unit with Slant Top Dimensions QTY/UNIT Face Area Unit Unit Size Airflow WEIGHT* lb42VC Furred-In Lowboy Unit with Electric Heat Dimensions QTY/UNIT Face Area Unit Unit Size Airflow Weight 42VE Cabinet Lowboy Unit Dimensions42VE Cabinet Lowboy Unit with Electric Heat Dimensions A42-4116 QTY/UNIT Unit Unit Size Airflow WeightA42-4120 WeightA42-4121 A42-4122 A42-4123 Blower Motor Cfm A42-4124Description QTY A42-4125A42-4126 42SH Cabinet DimensionsA42-4127 42SJ Back-to-Back Furred-In Stack DimensionsA42-4128 42SGM Furred-In Master Stack DimensionsA42-4129 42SGS Furred-In Slave Stack DimensionsDescription Qty A42-4154Description Qty A42-4155A42-4169 A42-4173 A42-4167A42-4171 A42-4172 A42-4160 A42-4162 A42-4170 A42-4161 A42-4168Panel no Unit Size Installation 42SJ Unit as Shipped Page Pipe Connection Configurations Piping Connection Positions Symbols and Placement of Valves A42-4175 A42-4174Three-Way Motorized Control Valve Package Valve Package without Motorized Control Typical Drain Line Details 42D Unit Shown Piping Components Pressure Test Port Brass body 1/ Compression Stop Valve Vated. Consult factory for normally open valve Applications Joint Materials Copper Water Tube and Joint Material Pressure RatingsManual Fan Control Thermostatic Fan Control Pipe System Thermostat A42-4060A42-4061 A42-4059A42-4066 Thermostat A42-4067 A42-4073 Thermostat #33CSSN2-FC A42-4072A42-4079 A42-4078 Valve START-UP Permanent Filter Fiberglass Type Page Copyright 2009 Carrier Corporation Complete Project InformationSeries Fan Coil Air Conditioner Maintenance Data Log

42V, 42D, 42S, 42C specifications

Carrier has established itself as a leader in the HVAC industry by continuously innovating and refining their products. Among their offerings, the Carrier 42D, 42C, 42S, and 42V series stand out for their advanced features, efficient technologies, and user-friendly characteristics.

The Carrier 42D series is known for its robust and energy-efficient design, making it ideal for commercial applications. This series employs a high-performance scroll compressor that enhances efficiency while minimizing noise levels. Equipped with advanced controls, the 42D allows for precise temperature management, ensuring comfort in a variety of environments. Its compact design is another notable feature, allowing for easier installation in constrained spaces while still delivering excellent performance.

Similar to the 42D, the 42C series emphasizes energy efficiency, but it comes with additional features tailored for residential applications. One of the main highlights is its variable-speed compressor technology, which provides exceptional temperature control and reduces energy consumption. This series also includes enhanced filtration systems, ensuring cleaner air quality, which is particularly important for allergy sufferers. Moreover, the 42C's intelligent control systems simplify operation and allow users to customize settings according to their preferences.

The Carrier 42S series focuses on environmentally friendly refrigerants, aligning with global sustainability trends. This series utilizes R-410A refrigerant, which has a lower impact on the ozone layer compared to traditional refrigerants. In addition to its eco-friendly attributes, the 42S boasts features such as an integrated humidity control system, which modulates humidity levels effectively, improving overall indoor air quality.

Finally, the 42V series presents a versatile solution for customers looking for advanced technology and adaptability. With smart connectivity features, the 42V allows for remote monitoring and control via mobile apps, enhancing user convenience. This series is also equipped with a state-of-the-art inverter compressor, which adjusts its speed according to the heating or cooling demand, resulting in significant energy savings.

In summary, the Carrier 42D, 42C, 42S, and 42V series each offer unique features and technological advancements that cater to the diverse needs of users in both residential and commercial settings. With a focus on energy efficiency, user-friendly controls, and environmentally sustainable practices, Carrier continues to set the standard in HVAC solutions.