Operation
Installation
Maintenance
RT-SVX10C-EN
About The Manual
Literature Change History
Overview of Manual
Section Three
Table of Contents
Section One
Section Two
Model Number Description
General Information
Sample Model No
Commonly Used Acronyms
Fiberglass Wool
Hazard Identification
General Information Continued
RTM Resistance Input vs Setpoint Temperatures
General Information Continued
Unit
Constant Volume & Variable Air Volume Units
General Information Continued
Input Devices & System Functions
Lead-Lag
General Information Continued
General Information Continued
Constant Volume CV Units
Occupied Heating - Supply Air Temperature
Variable Air Volume VAV Units
Unit Component Layout and Shipwith Locations
General Information Continued
General Information Continued
Space Temperature Averaging
TCI MOD J1-1
General Information Continued
Section Three
Table of Contents
Section One
Section Two
As soon as the unit arrives at the job site
Unit Dimensions & Weight Information
No Step Surface
Unit Inspection
Figure
SAHF Cooling-OnlyUnits 20 thru 75 Ton
Figure 3-2A
Table 3-1C
Installation Continued
Table 3-1A
Table 3-1B
SEHF, SFHF, SLHF, SSHF, SXHF Units 20 thru 75 Ton
Figure 3-2B
Table 3-2D
Installation Continued Table 3-2A
Table 3-2B
Table 3-2C
S_HG Cooling & Heating Units 90 through 130 Ton
Figure 3-2C
Center-of-GravityData See Note
Figure
Roof Curb and Ductwork
Installation Continued Table
Pitch Pocket Location
Unit Rigging & Placement
If a Trane Curb Accessory Kit is not used
Heavy Objects
Figure
Typical Unit Rigging
Unit Base & Roof Curb Section
Requirements for Electric Heat Units
Main Electrical Power Requirements
Field Installed Control Wiring
General Unit Requirements
Figure 3-6A
Installation Continued
O/A Pressure Sensor and Tubing Installation
Requirements for Steam Heat SSH_
Figure
Condensate Drain Connections
Shipping Fasteners
Installation Continued
Figure 3-7A
Figure 3-7B
Figure 3-7C
Installation Continued
Rubber Isolators
Spring Isolators
90 through 130 Ton
Figure
Figure
O/A Sensor & Tubing Installation
Units with StatitracTM
Installation Continued
Hazardous Gases and Flammable Vapors
Gas Heat Units SFH_
Installation Continued
Installation Continued
Table
235 and 350 MBH
500 and 850 MBH
Installation Continued
Figure 3-10Continued
1000 MBH Modulating 500 MBH - 1000 MBH
Hot Water Heat Units SLH_
Steam Heat Units SSH
Installation Continued
Table
Hot Water Piping 20 through 75 Ton
Installation Continued
Figure
40 through 130 Ton units
Figure
Steam Coil Piping 20 through 30 Ton Units
Steam Coil Piping 40 through 130 Ton Units
Live Electrical Components
Disconnect Switch External Handle
Main Unit Power Wiring
Hazardous Voltage
Installation Continued
Typical Field Power Wiring 20 thru 75 Ton
Figure
Table
Figure 3-14Continued
Typical Field Power Wiring 90 thru 130 Ton
Customer Connection Wire Range
Table
Electrical Service Sizing Data 20 through 130 Ton
Table 3-7Continued
Load Definitions LOAD
MOP = 1.25 x LOAD
Disconnect Switch Sizing DSS
B. Dual Source Power units 200V and
MCA = 1.25 x LOAD
Field Installed Control Wiring
Controls using 24 VAC
Controls using DC Analog Input/Outputs
Constant Volume System Controls
Remote Panel w/o NSB 5U59 - BAYSENS021A
Variable Air Volume System Controls
Installation Continued
Remote Panel w/ NSB 5U58 - BAYSENS020B
External Auto/Stop Switch 5S67
Installation Continued
FIRE
Emergency Stop Switch 5S71
PURGE
SHUTDOWN Supply Fan - Off
Figure 3-16A
Refer to Wiring Notes on page
Refer to Wiring Notes on page
Figure 3-16B
Page
Refer to Wiring Notes on page
Figure 3-17A
Refer to Wiring Notes on page
Figure 3-17B
Unit Type
Refer to Wiring Notes on page
Figure
GBAS Voltage vs Setpoint
Section Three
Table of Contents
Section One
Section Two
Unit Start-Up
Cooling Sequence of Operation
Sequence of Operation
Propane Gas
Gas Heating Sequence of Operation
Fenwal Ignition System
Unit Start-UpContinued
Unit Start-UpContinued
Modulating Gas Sequence of Operation
Flame Failure
Propane Gas
Freeze Protection
Electric Heat Sequence of Operation
Wet Heat Sequence of Operation
Unit Start-UpContinued
Hazardous Voltage
Compressor Damage
Electrical Phasing
Hazardous Voltage
Voltage Supply
Voltage Supply and Voltage Imbalance
Live Electrical Components
Unit Start-UpContinued
Table
Service Test Guide for Component Operation
Table 4-1Continued
If all of the fans are rotating backwards
Constant Volume Systems
Rotating Components
Verifying Proper Fan Rotation
Live Electrical Components
Figure
a.Measure the actual fan RPM
Unit Start-UpContinued
Variable Air Volume Systems
Hazardous Voltage
Live Electrical Components
Live Electrical Components
Exhaust Airflow Measurement
TraqTM Sensor Airflow Measurement
Hazardous Voltage
1700 RPM
Figure
Figure 4-2Continued
Figure 4-2Continued
Standard Evaporator Coil
Figure
Standard Evaporator Coil
Unit Airflow, CFM
Figure 4-3Continued
Unit Airflow, CFM
Figure 4-3Continued
Hi-CapNot Available on 115 & 130 Ton Units
Drop
Figure
Figure 4-4Continued
Figure 4-4Continued
Evaporator Coil
Table
Table
Table 4-2Continued
Table 4-3Continued
Negative Static Pressure
Table
Hazardous Voltage
Economizer Damper Adjustment
To Adjust the Fresh Air Damper Travel
No Step Surface
F/A Damper Travel Adjustment
Unit Start-UpContinued
Table
Figure
Compressor Start-Up
Compressor Damage
Rotating Components
Refrigerant Charging
Compressor Operational Sounds
Rotating Components
Unit Start-UpContinued
Compressor Locations
Figure
COOLING CYCLE PRESSURE CURVE
Table 4-6Continued
COOLING CYCLE PRESSURE CURVE
Table 4-6Continued
COOLING CYCLE PRESSURE CURVE
Table 4-6Continued
Discharge
Table 4-6Continued
Full Load
Full Load
Cooling Cycle Pressure Curve
Table 4-6Continued
90 Ton Operating Pressure Curve All Compressors and Condenser Fans, per ckt; On
Table 4-6Continued
115 Ton Operating Pressure Curve All Compressors and Condenser Fans, per ckt; On
Table 4-6Continued
Unit Start-UpContinued
Thermostatic Expansion Valves
Charging by Subcooling
Low Ambient Dampers
Rotating Components
Electric, Steam and Hot Water Start-Up
Gas Furnace Start-Up
Hazardous Voltage
Low-FireAdjustment 500 MBH, 850 & 1,000 MBH only
Two Stage Gas Furnace
High-FireAdjustment
Combustion Air Adjustment O2
Figure
Heat Exchanger
Full Modulating Gas Furnace
Rotating Components
Unit Start-UpContinued
Modulating Gas Regulator
Limited Modulating Gas Furnace
Unit Start-UpContinued
Figure
Unit Start-UpContinued Final Unit Checkout
Hazardous Voltage
Figure
Service & Maintenance
Table
Table
Service & Maintenance Continued Table
Service & Maintenance Continued Table
Table
Filter Data
Grease Recommendations Recommended
Service & Maintenance Continued Table
Fan Belt Adjustment
Service & Maintenance Continued
Hazardous Voltage
Scroll Compressor Replacement
Service & Maintenance Continued Figure
Hazardous Voltage
Hazardous Voltage! w/Capacitors
VFD Programming Parameters
Service & Maintenance Continued
Service & Maintenance Continued
Monthly Maintenance
Filters
Cooling Season
Hazardous Voltage
Coil Cleaning
Heating Season
Service & Maintenance Continued
No Step Surface
Coil Cleaners
Contains Refrigerant
Service & Maintenance Continued
Service & Maintenance Continued
Final Process
Index
Page
Page
COMMERCIAL EQUIPMENT
Equipment Damage From Ultraviolet UV Lights
WARRANTY AND LIABILITY CLAUSE
RATED 20 TONS AND LARGER AND RELATED ACCESSORIES
