Page 2 - Warnings and Cautions
2 PKG-SVX14A-EN generalinformation About This ManualLiterature Change History Use this manual for commercial self-contained models SCWH and SCRH . This is the original issue of thismanual. It provides specific installation,owner maintenance, and diagnostictroubleshooting instructions for “AO” andlat...
Page 3 - contents; Installation.........................................................2; startup ..................................................................23; Operation.........................................................24; sequence of operation .............................................24; Maintenance ...................................................25
PKG-SVX14A-EN 3 contents Cross reference to related publications/information: Midrange Self-Contained catalog, PKG-PRC012-EN Installation…………………………………………………2 general information ……………………………………………2pre-installation considerations ………………………………6dimensions & weights ………………………………………11mechanical requir...
Page 4 - Midrange Model Number Description; Unit Airflow Configurations
4 PKG-SVX14A-EN Installation general information Midrange Model Number Description Following is a complete description of the midrange model number. Each digit in the model number has a corresponding code that identifies specific unit options. S C W H 075 4 2 A0 1 0 1 0 1 2 3 4 567 8 9 1011 12 13 14...
Page 5 - Installation; General
PKG-SVX14A-EN 5 Installation generalinformation General The midrange models SCWH/SCRHis a high efficiency, vertical aircondioner. units have either front or topdischarge configuration options and easyservice access. Unit construction is heavygage steel with a baked enamel finish.Available unit volta...
Page 6 - Pre-Installation Considerations; Receiving and Handling; Installation Preparation
6 PKG-SVX14A-EN Pre-Installation Considerations Pre-Installation Checklist Complete the following checklist beforebeginning unit installation. Verify the unit size and tagging with the unit nameplate. Make certain the floor or foundation is level, solid, and sufficient to support theunit and acc...
Page 7 - Service Access
PKG-SVX14A-EN 7 Installation pre-installationconsiderations 24" FAN ACCESS FRONT RETURN COIL / ELECTRIC HEATER ACCESS MOTOR / DRIVE ACCESS(RIGHT SIDE) CONTROL BOX & CONDENSER FAN ACCESS TXV ACCESS(RIGHT SIDE) 26" SERVICE CLEARANCERIGHT SIDE UNIT-MOUNTED T-STAT OPENING (BOTH SIDES) POWER ...
Page 9 - Isolator Placement
PKG-SVX14A-EN 9 Installation pre-installationconsiderations Table I-PC-1. Isolator load points, units with a vertical discharge configuration, lbs. model L1 L2 L3 L4 L1 L2 L3 L4 SCRB/SIRB SCWB/SIWB 3-ton 99 105 120 127 105 133 118 124 5-ton 115 122 157 166 129 165 166 165 7.5-ton 154 203 227 221 177...
Page 10 - Proper Lifting Procedure
10 PKG-SVX14A-EN Proper Lifting Procedure Follow these instructions and referenceFigure I-PC-3.1. Slide a fork lift into the opening provided on the unit base. Move thefork lift carefully. 2. Using slings, attach through the circular holes provided on the unit base. Protectthe unit from damage by ri...
Page 15 - Plenum
PKG-SVX14A-EN 15 dimensions &weights Installation Plenum Plenum dimensions & weight, in-lbs. unit size A B weight 3-ton 31.89 22.24 44 5-ton 36.41 24.01 54 7.5-ton 40.94 28.74 73 10 & 12-ton 65.75 29.52 120 15-ton 80.31 29.52 146 A B C D E F G 0.39 0.28 1.38 1.38 5.91 1.57 3.15 0.39 0.59...
Page 17 - Duct Connections; Water Piping
PKG-SVX14A-EN 17 mechanicalrequirements Duct Connections Install all air ducts according to theNational Fire Protection Associationstandards for the “Installation of AirConditioning and Ventilation Systemsother than Residence Type (NFPA 90A)and Residence Type Warm Air Heatingand Air Conditioning Sys...
Page 18 - Electrical Requirements
18 PKG-SVX14A-EN mechanical requirements Installation Refrigerant Piping (Air-Cooled Units Only) Reference industry recommendations for air-cooled unit refrigerant piping. If suspending piping from the building, use isolation hangers to prevent vibration transmission.Air-cooled units ship with a hol...
Page 19 - Electrical Data Calculations
PKG-SVX14A-EN 19 electrical requirements Installation Supply Power Wiring It is the installer’s responsibility to provide power supply wiring to the unit terminal block or the non-fused disconnect switch option. Wiring should conform to NEC and all applicable code requirements. 1. Verify the power s...
Page 21 - Installation Checklist; Fan Discharge Conversion
PKG-SVX14A-EN 21 Installation Checklist Reference the checklist below to verify allsteps required to successfully install adeluxe self-contained unit are complete.This checklist is intended to acquaint theinstalling personnel with what is requiredin the installation process. It does notreplace the d...
Page 22 - Pre-Startup Checklist
22 PKG-SVX14A-EN pre-startuprequirements Installation Pre-Startup Checklist Complete this checklist after installing theunit to verify all recommendedinstallation procedures are completebefore unit startup. This does not replacethe detailed instructions in theappropriate sections of this manual.Alwa...
Page 23 - Unit Startup Procedures; startup
PKG-SVX14A-EN 23 Unit Startup Procedures 1. Check all electrical connections for tightness. 2. Be sure all unit accessories are properly set and installed. 3. Model SCWH: Verify condenser water piping is properly connected, supply, and return. 4. Model SCRH: Verify refrigerant piping is properly con...
Page 24 - Operation; Sequence of Operation
24 PKG-SVX14A-EN Operation sequence ofoperation Sequence of Operation The thermostat controls the unitoperation. It has both manual andautomatic switches so the thermostatmaintains desired comfort levels. The fan switch allows manual selection ofthe fan speed using the On or Autosetting. With the sw...
Page 25 - Maintenance
PKG-SVX14A-EN 25 Maintenance generalinformation Table M-GI-1. Midrange maintenance general data SCWH030 SCWH050 SCWH075 SCWH100 SCWH120 SCWH150 dimensions, in-lbs.height 66.93 78.74 78.94 91.54 95.47 95.47 length 31.89 36.41 40.94 65.75 65.75 80.31 depth 22.24 24.01 28.74 29.52 29.52 29.52 weight (s...
Page 26 - Maintenance Procedures
26 PKG-SVX14A-EN Maintenance maintenance procedures Maintenance Procedures This section describes specific maintenance procedures that must be preformed as a part of the normal maintenance program. Always disconnect electrical power to the unit before performing these procedures and heed all warning...
Page 27 - Refrigerant System
PKG-SVX14A-EN 27 • To assist in reducing power generation emissions, always attempt to improveequipment performance with improvedmaintenance and operations that willhelp conserve energy resources. WARNING Confined Space Hazards! Do not work in confined spaces wheresufficient quantities of refrigeran...
Page 29 - Periodic Checklists
PKG-SVX14A-EN 29 Periodic Checklists Monthly Checklist The following checklist provides the recommended maintenance schedule to keep the unit running efficiently. WARNING Hazardous Voltage! Disconnect all electrical power including remote disconnects before servicing unit. Follow proper lockout/tago...
Page 30 - Troubleshooting
30 PKG-SVX14A-EN Maintenance troubleshooting Troubleshooting Use the following steps and procedures to help correct these common problems. Problem The entire unit does not operate. Possible cause 1. Power interruption2. Thermostat not operating3. Electrical panel: a) 24-volt transformerdefective; b)...
