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General Specifications
• Compressor - Semi-hermetic design
• Main Housing - Dimensionally-stabilized aluminum
• Covers - High-impact, UV stabilized, flame-resistant polymer.
• Covers - High-impact, UV stabilized, flame- resistant polymer. TG series is identified
by green cover.
• Shaft - High-strength alloy
• Impellers - High-strength aluminum
• Motor - Permanent magnet, synchronous, DC
• Bearings - Integrated, digitally-controlled, magnetic
• Compressor Control - Integrated, digital capacity control
• Enclosure - IP54 rating as per UL 984 requirement
5.1 Construction
5 General Specifications
* The TG230/TT300 compressors, the alarm and trip settings are default to lower values of operation which are
typcially deemed appropriate for Water-Cooled condiitons.
These values allow for adjustment for compressors placed in Air-Cooled applications which can have the value
increased up to 1730 kPa(g)/250 PSIG for the Alarm and 1800 kPa(g)/260 PSIG for the Trip.
Table 5-1 - Discharge
Pressure Alarm and Trip
Settings
Model
kPa(g)
PSIG
kPa(g)
PSIG
TG230ST*
1239
180
1299
188
TG230MT*
1116
162
1176
171
TG310
1240
180
1300
189
TG390
876
127
926
134
TG520
876
127
926
134
TT300ST*
1190
173
1240
180
TT300MT*
1190
173
1240
180
TT350
1730
251
1800
261
TT400
1190
173
1240
180
TT700
1190
173
1240
180
Alarm Trip
The maximum pressure that the compressor can operate is regulated directly by two control
settings: (1) Alarm Limit and (2) Trip Limit. It is also controlled by a Pressure Ratio alarm limit
monitoring the ratio between the Discharge and Suction Pressures.
5.2 Maximum Pressure
Summary of Contents for TG230 Series
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