Installation, Operation, & Maintenance
“JO” and later design sequence
IntelliPak TM Commercial Self-Contained
Modular Series, 20-35tons
Hazard Identification
Introduction
Special Note on Refrigeration Emissions
NOTICE
Installation …………………………........…....…6
Contents
Maintenance ……………………………………91
Operation ………………………………………70
Service Equipment and Procedures
Features and Benefits
Refrigerant Handling Procedures
SCXG-SVX01B-EN
Features and Benefits
Modular Series Self-ContainedUnit Components
general
Installation information
Unit Nameplate
Control Options
Model Number Description
Model Number Description SCWG
Digit 5 - Refrigerant Circuit Configuration
Digit 9 - AirVolume/Temp Control
Model Number Description SCWG
Digit 31 - Compressor ServiceValves
Digit 22 - Unit Finish
Digit
Digit 1 - Parts/Accessories
Model Number Description PSWG
Digit 5 - Sensors and Other Accessories
Digit 6 - Sensors and Thermostats field installed
Digit 1 - Parts/Accessories
“After-Shipment”AccessoryModel Number
Module Field Installed
Digit 23 - High Duct Temperature
Receiving and Handling
pre-installation Installation considerations
Receiving Checklist
Shipping Package
SCXG-SVX01B-EN
Installation Preparation
pre-installation Installation considerations
HazardousVoltage w/Capacitors
ServiceAccess
pre-installation Installation considerations
WARNING Improper Unit Lift
Rigging and Unit Handling
pre-installation Installation considerations
Table I-PC-2.Gravity Block Dimensions
NOTICE
Unit Handling Procedure
pre-installation Installation considerations
pre-installation Installation considerations
Split-ApartUnit Assembly
IntelliPak UnitsUCM Only
Units with Thermostat Only
SCXG-SVX01B-EN
pre-installation Installation considerations
Skid Removal
Pre-InstallationChecklist
External Unit Isolation
pre-installation Installation considerations
Weights
Dimensions &
SCWG/SIWG Dimensions, in
SCWG
SCRG
SCRG/SIRG Dimensions, in
Dimensions &
Weights
SCRG/SIRG/SCWG/SIWG Detail “A”
Dimensions & Weights
Electrical Connections, in
Detail “B” Discharge Options , in front view
CIRC
CCRC
CCRC/CIRC -Air-CooledCondenser
Dimensions &
Hot water coil dimensions & weight, in-lbs
Hot Water Coil
Dimensions & Weights
Steam coil dimensions, in-lbs
Steam Coil
Dimensions & Weights
Flexible Horizontal Discharge Plenum
Electric Heat Coil
Dimensions & Weights
Electric heat coil dimensions & weight, in-lbs
Waterside economizer weight, in-lbs
Waterside Economizer
Dimensions & Weights
Economizer
Airside
Airside Economizer
Dimensions &
Variable Frequency Drive Option VFD
Dimensions & Weights VFD
VFD dimensions, in
Control and LineVoltage
Dimensions & Weights VFD
Variable Frequency Drive with Bypass
Electrical Installation Procedure
VFD with bypass dimensions, in
Duct Connections
Mechanical Specifications
Water Piping
Hazardous Voltage w/Capaci- tors
Waterside Piping Arrangements
Mechanical Specifications
General Waterside Recommendations Cooling Towers
Mechanical Specifications
Refrigerant Piping Air-CooledUnits Only
Brazing Procedures
Hazard of Explosion and Deadly Gases
Supply PowerWiring
Unit Wiring Diagrams
Electrical Requirements
Control Power
Electrical Requirements
Selection Procedures
Pre-StartupProcedures
Installation requirements
pre-startup
HazardousVoltage w/Capacitors
Installation requirements
Plenum
Figure I-PR-3.Correct plenum insulation placement
pre-startup
Installation requirements
Airside Economizer Installation
Unit Installation
Field Wiring Connections
Installing theTransducer
Installation requirements
pre-startup
Transducer Location
pre-startup
Waterside Economizer Installation Procedure
Installation requirements
pre-startup
Installation requirements
tubing assemblies for waterside econo
mizer left-handpiping
pre-startup
Installation requirements
Waterside Economizer Ship-SeparateParts List
Installation requirements
Hydronic Coil Installation
Installation Procedure
pre-startup
Installation requirements
Electric Heat Installation
Installation Procedure
Electric Heat CoilWiring Procedure
Zone Sensor Options for IntelliPak Control Units
Standard with All IntelliPak Units
CV Unit Zone Sensor Options
Installation requirements
VAV Unit Zone Sensor Option
CV andVAV Unit Zone Sensor Options
Installation requirements
pre-startup
Installation requirements
Zone Sensor Installation
Wiring
pre-startup
pre-startup
Installation requirements
SCXG-SVX01B-EN
1-3/3227,43 mm 3/32 2,00 mm 3-5/3280,00 mm
pre-startup
Installation requirements
Mounting Directly to the Wall
Mounting to Junction Box
Installation requirements
Programmable Zone Sensors
ConstantVolume Zone Sensor BAYSENS019 Description
Variable AirVolume Zone Sensor
Installation requirements
Programmable Zone Sensor Installation
Installation Procedure
pre-startup
Installation requirements
Time Clock Option
Time Clock Installation
Time Clock Installation Checklist
Installation requirements
Remote Human Interface Panel Installation
pre-startup
Human Interface HI Panel
Procedure
Installation requirements
pre-startup
Mounting the Remote Human Interface RHI Panel
pre-startup
Installation requirements
Installation requirements
Wiring the Remote Human Interface
LowVoltage AC FieldWiring Connections
Communication Link ShieldedTwisted PairWiring
Pre-StartupChecklist
Connecting toTracer Summit
Installation requirements
CommunicationWiring
Programmable Zone Sensor Options BAYSENS019
Installation programming
2.Time Adjust Button
BAYSENS019 Keypad and Display Explanation
Installation programming
BAYSENS020
2.Time Adjust Button
BAYSENS020 Keypad and Display Explanation
Installation programming
Keypad Operation
Initial Power-Up
Time and Day Settings
Temporary Manual Override
Installation programming
Time Button
Keypad Lockout
Temporary Override Run Mode
Installation programming
Figure I-P-8.Typicaloption menu screen
Installation programming
Installation programming
Intelligent Copy
Remote Panel Indicator Signals From UCM to ZSM
To use Intelligent Copy
Installation programming
Icon Descriptions
8.Only used when setting the override timer
Installation programming
Installation programming
Programming theTime Clock Option
Setting theTime
Programming
Unit Startup Procedures
Installation startup
Pre-StartupChecklist
Hazardous Voltage w/Capaci- tors
Installation startup
Startup Log
Evaporator
Compressor Amp Draw
Air Cooled Units
Installation startup
Water Cooled Units
ConstantVolume CV Points Binary inputs
general Operation information
Variable AirVolume VAV Points Binary inputs
Points List - RTM Module
RTM Module Board - Standard on all Units
Unit Control Components
RTM Alarm Relay
External Auto/Stop Switch
Emergency Stop Input
general Operation information
VAV Box Option
RTM Sensors
Heat Module
Human Interface Module - Standard on all Units
Ventilation Override Module VOM Option
general Operation information
PURGE sequence “D”
general Operation information
Generic BuildingAutomation System Module Option
general Operation information
GBAS Analog Inputs
GBAS Binary Outputs
Table O-GI-6.GBAS analog input setpoints
general Operation information
Water Flow Switch Option
Waterside Components
general Operation information
Water Purge
Condenser Condenser
general Operation information
Condenser Condenser
Economizer V2
general Operation information
UnitAirside Components
Supply Air Fan
Dirty Filter Sensor Option
Airside Economizer Interface
general Operation information
Air-CooledCondensers
general Operation information
Evaporator Temperature Sensor Frostat
Input Devices and System Functions
general Operation information
NOTICE
Supply Air Temperature Sensor
Return AirTemperature Sensor
Supply Airflow Proving Switches
Filter Switch
Operation operation
sequence of
Control Sequences of Operation
Unoccupied Sequence of Operation
Operation operation
sequence of
Morning Warmup
Cycling Capacity Morning Warmup MWU
Zone Temperature Control
Occupied Sequence
Supply AirTemperature Control
sequence of
sequence of
Supply Air Setpoint Reset VAV Units Only
Operation operation
Mechanical Cooling
sequence of
Compressors
Operation operation
Compressor Lead/Lag Operation
Operation operation
sequence of
Step Control
Evaporator Coil Frost Protection FROSTAT
sequence of operation
Operation
Service Valve Option
general
Maintenance information
Maintenance procedures
maintenance
Maintenance Procedures
is this correct?
Inspecting and Cleaning the Fan
Inspecting and Cleaning the Drain Pan
maintenance
Maintenance procedures
maintenance
Supply Fan
Maintenance procedures
Hazardous Voltage w/Capaci- tors
Maintenance procedures
maintenance
Fan Bearings
Table M-MP-2.AOSmith Bearing Lubrication Schedule
Maintenance procedures
maintenance
Fan BeltTension
deflection = belt span/64
Maintenance procedures
maintenance
Adjusting BeltTension
NOTICE
maintenance
Refrigerant System
Maintenance procedures
WARNING LeakTesting
Maintenance procedures
maintenance
WARNING LeakTesting
CAUTION Freezing Temperatures
maintenance procedures
Maintenance
NOTICE
Compressor Damage
Inlet GuideVanes
Coil Fin Cleaning
maintenance
Maintenance procedures
Maintenance procedures
maintenance
Inspecting and Cleaning Coils
Cleaning the Condenser
maintenance
Piping Components
Maintenance procedures
Flow Switch Maintenance
maintenance
Maintenance Periodic Checklists
Maintenance procedures
Monthly Checklist
System Checks
Maintenance troubleshooting
Operating Procedures
Live Electrical Components
Diagnostics
Maintenance diagnostics
CO2 Sensor Failure
Compressor Contactor Fail - Circuit 1, 2, 3, or
Heat Module Auxilliary Temperature Sensor Fail
Maintenance diagnostics
Emergency Stop
Entering Cond WaterTemp Sensor Fail
Low Air Temp Limit Trip
Maintenance diagnostics
Low Pressure Control Open - Circuit 1, 2, 3, or
MCM Communications Failure
NSB Panel ZoneTemperature Sensor Failure
Maintenance diagnostics
O/A Humidity Sensor Failure
O/A Temp. Sensor Failure
RTM Zone Sensor Failure
Maintenance diagnostics
RTM Data Storage Error
Supply Fan VFD Bypass Enabled
Maintenance diagnostics
Supply Fan Failure
LCI-IModule Comm Failure
WSM Communications Fail
Maintenance diagnostics
VOM Communications Failure
Water Flow Fail
Maintenance diagnostics
WSM Mixed AirTemp Sensor Fail
SCXG-SVX01B-EN
SCXG-SVX01B-EN
SCXG-SVX01B-EN
Literature Order Number
Date
March