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Trane IntelliPak RA 20 User Manual

Trane IntelliPak RA 20
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RT-SVX063E-EN
5
Stop/Off/Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Power-Up Start Delay . . . . . . . . . . . . . . . . . . . . 65
Normal Unit Starting. . . . . . . . . . . . . . . . . . . . . 65
Rapid Restart Operation. . . . . . . . . . . . . . . . . . 65
Occupancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Occupancy Status Definitions . . . . . . . . . 65
Timed Override . . . . . . . . . . . . . . . . . . . . . . 66
Service Pin Message Request . . . . . . . . . 66
Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Heat Cool Mode Status. . . . . . . . . . . . . . . . . . . 66
Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . 67
Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Unit Sub-Modes . . . . . . . . . . . . . . . . . . . . . . . . . 68
Morning Warm Up . . . . . . . . . . . . . . . . . . . 68
Pre Cool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Night Purge . . . . . . . . . . . . . . . . . . . . . . . . . 69
Daytime Warm Up . . . . . . . . . . . . . . . . . . . 69
Idle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Supply Fan Control . . . . . . . . . . . . . . . . . . . . . . 70
Supply Fan Speed Control . . . . . . . . . . . . 70
Supply Fan Proving Operation and
Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Single Fan Operation . . . . . . . . . . . . . . . . . 70
Supply Fan VFD Bypass Control. . . . . . . . . . . 70
Entering VFD Bypass Control. . . . . . . . . . 70
Exiting Supply Fan VFD Bypass
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Supply Fan Proving with VFD
Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Operation during Manual Override
and VOM (Emergency Override)
Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Minimum Ventilation Control . . . . . . . . . . . . . 71
Outdoor Air Flow Control (Traq) . . . . . . . 71
Outdoor Air Flow
Compensation . . . . . . . . . . . . . . . . . . . . . . . 71
Outdoor Air Minimum Position
Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Demand Control Ventilation
(DCV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Relief Fan and Space Static Pressure
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Space Static Pressure Control with
Statitrac
TM
. . . . . . . . . . . . . . . . . . . . . . . . . . 73
Space Static Pressure Control
without Statitrac
TM
. . . . . . . . . . . . . . . . . . 73
Discharge Air Temperature Control . . . . . . . 73
Multi Zone-VAV and Constant Volume -
Discharge Temperature Units. . . . . . . . . . . . . 73
Supply Air Tempering . . . . . . . . . . . . . . . . 73
Changeover Input . . . . . . . . . . . . . . . . . . . . 73
VAV Box Relay Output. . . . . . . . . . . . . . . . 73
Discharge Air Reset . . . . . . . . . . . . . . . . . . 74
Duct Static Pressure Control . . . . . . . . . . 74
Duct Static Pressure High Limit. . . . . . . . 74
Space Temperature Control . . . . . . . . . . . . . . 74
Auto Changeover . . . . . . . . . . . . . . . . . . . . 74
Space Temperature Control Units . . . . . . . . . 75
Single Zone VAV . . . . . . . . . . . . . . . . . . . . . 75
Constant Volume Space
Temperature Control . . . . . . . . . . . . . . . . . 76
Compressor Staging and Timers . . . . . . . . . . 76
General Compressor Staging . . . . . . . . . 76
Evaporator Coil Surface Utilization
(Two Circuit Units Only) . . . . . . . . . . . . . . 77
Compressor Lockout and Inhibit. . . . . . . 77
Alternate Staging Sequence . . . . . . . . . . 77
Compressor Staging with Variable
Speed Compressors. . . . . . . . . . . . . . . . . . 77
Balanced Compressor Staging . . . . . . . . 78
Compressor Protections. . . . . . . . . . . . . . . . . . 78
Low Ambient Lockout . . . . . . . . . . . . . . . . 78
Low Compressor Suction Pressure
Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Temperature and Pressure Sensor
Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Oil Management Protection . . . . . . . . . . 79
Compressor Discharge Pressure
Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Compressor Discharge Saturated
Temperature Limit . . . . . . . . . . . . . . . . . . . 79
Compressor Discharge Saturated
Temperature Speed Limit. . . . . . . . . . . . . 79
High Suction Saturated Temperature
Inhibit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Compressor Involute Pressure
Differential Protection . . . . . . . . . . . . . . . . 79
Loss of Charge Detection . . . . . . . . . . . . . 79
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Table of Contents

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Trane IntelliPak RA 20 Specifications

General IconGeneral
BrandTrane
ModelIntelliPak RA 20
CategoryAir Conditioner
LanguageEnglish

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