Ingersol Rand TSC072F Series, Service Facts

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Table of Contents
Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings, Cautions, and Notices . . . . . . . . 2
Important Environmental Concerns . . . . . 2
Important Responsible Refrigerant Practices
2
Copyright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General Data
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Evaporator Fan Performance
. . . . . . . . . . . . . 6
Performance Data
. . . . . . . . . . . . . . . . . . . . . . 12
Electrical Data
. . . . . . . . . . . . . . . . . . . . . . . . . . 13
Sequence of Operation
. . . . . . . . . . . . . . . . . . 15
ReliaTel Controls . . . . . . . . . . . . . . . . . . . . . 15
ReliaTel Control Cooling without an Econo-
mizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Three-Stages of Cooling . . . . . . . . . . . . . 15
ReliaTel Control Evaporator Fan Operation
(for Gas Units) . . . . . . . . . . . . . . . . . . . . . 15
ReliaTel Control Evaporator Fan Operation
(for Cooling Only Units) . . . . . . . . . . . . . . 16
Low Ambient Operation . . . . . . . . . . . . . . 16
ReliaTel Control Dehumidification . . . . . 16
Dehumidification Coil Purge Cycle . . . . . 16
ReliaTel Control Cooling with
an Economizer . . . . . . . . . . . . . . . . . . . . . 17
Economizer Set-Up . . . . . . . . . . . . . . . . . . 17
ReliaTel Control Heating Operation (for Cool-
ing Only Units) . . . . . . . . . . . . . . . . . . . . . 17
ReliaTel Control Heating Operation (for Gas
Units) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Ignition Module . . . . . . . . . . . . . . . . . . . . 17
Drain Pan Condensate Overflow Switch (Op-
tional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Electromechanical Controls . . . . . . . . . . . . 18
Electromechanical Control Cooling without
an Economizer . . . . . . . . . . . . . . . . . . . . . 18
Electromechanical Control Evaporator Fan
Operation (for Gas Units) . . . . . . . . . . . . . 18
Electromechanical Evaporator Fan Operation
(for Cooling Only Units) . . . . . . . . . . . . . . 19
Economizer Set-Up . . . . . . . . . . . . . . . . . . 19
Electromechanical Control Cooling with an
Economizer . . . . . . . . . . . . . . . . . . . . . . . . 19
Electromechanical Control Heating Operation
(for Cooling Only Units) . . . . . . . . . . . . . . .19
Electromechanical Control Heating Operation
(for Gas Units) . . . . . . . . . . . . . . . . . . . . . .19
Ignition Module Low, Medium and
High Heat . . . . . . . . . . . . . . . . . . . . . . . . . .19
Drain Pan Condensate Overflow Switch (Op-
tional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Pressure Curve
. . . . . . . . . . . . . . . . . . . . . . . . . .21
To Check Operating Pressures . . . . . . . . .21
Subcooling Charging Chart
. . . . . . . . . . . . . . .22
Refrigerant Circuit
. . . . . . . . . . . . . . . . . . . . . . .23