Related Manuals for American Standard TTA240F A Series
Summary of Contents for American Standard TTA240F A Series
- Page 1 Installation Operation Maintenance Split System Cooling Condensers 20 Tons Model Number TTA240F***A (60Hz) TTA200FD**A (50Hz) TTA-SVX03A-EN October 2006...
- Page 2 NO. 70 LATEST REVISION. Note: Do Not release refrigerant to the atmosphere! If adding or removing refrigerant is required, the service technician must comply with all federal, state, and local laws. © 2006 American Standard Inc. All rights reserved TTA-SVX03A-EN...
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Page 3: Table Of Contents
Contents Model Number Description ........4 General Information . -
Page 4: Model Number Description
Model Number Description DIGITS 1-3: PRODUCT TYPE DIGITS 9, 10: FACTORY Model Number Description INSTALLED OPTIONS TTA = Split System Cooling All products are identified by a 00 = Packed Stock multiple-character model number DIGITS 4-6: NOMINAL GROSS that precisely identifies a particular 0S = Black Epoxy Coated Coil COOLING CAPACITY (MBh) type of unit. -
Page 5: General Information
General Information Installation procedures should be insure the proper unit was shipped. placement of internal components, Available power supply must be the unit weight may be unevenly performed in the sequence that they compatible with electrical distributed. Approximate unit appear in this manual. Do not characteristics specified on weights are given in Table 1. -
Page 6: Pre-Installation
Pre-Installation Clearances Ground Level Mounting For ground level installation, the unit Provide enough space around the base should be adequately unit to allow unrestricted access to supported and hold the unit near all service points. Refer to Figure 2 level. The installation must meet the for unit dimensions and minimum guidelines set forth in local codes. -
Page 7: Dimensional Data
Dimensional Data Dimensional Data Figure 2. TTA200F, TTA240F, Dimensional Data, Connection Location, Clearances, Corner Weights APPROXIMATE CORNER WEIGHT (MASS) TOTAL TOTAL UNIT SHIPPING MODEL NO. WEIGHT WEIGHT TTA240F---A 292 lbs 181 lbs 222 lbs 140 lbs 835 lbs 920 lbs TTA200FD--A 132 kg 82 kg... -
Page 8: Electrical Data
Electrical Data Electrical Data Table 2. TTA Unit Electrical Data Basic Unit Characteristics Compressor Motor Outdoor Fan Motor Allowable Minimum Maximum Model Electrical Voltage Circuit Fuse Amps Amps Number Characteristics Range Ampacity Size Qty. Qty. TTA240F3 208-230/60/3 187-254 89.4 35.3 239.0 14.4 TTA240F4... -
Page 9: Installation
Installation Refrigerant Piping Guidelines CAUTION System Component Damage! Maximum recommended line Wet-wrap all valves and protect lengths (per circuit): painted surfaces from excessive Maximum linear length..150 Ft. heat. Heat can damage system (w/o accumulator) components and the unit finish. Maximum suction line lift.. - Page 10 Installation Table 4. Additional Required CAUTION microns in one (1) minute, then evacuation is incomplete or the Refrigerant Equipment Damage! Tubing Sizes Additional Additional system has a leak. Do not remove the seal caps from Tubing Refrigerant Note Suction Liquid Length refrigerant connections, or open the If vacuum gauge does not rise...
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Page 11: Field Wiring-Electromechanical Control
Installation Measure airflow across the CAUTION Low Voltage Wiring indoor coil. Compare the Equipment Damage! Mount the indoor thermostat in measurements with the fan Use copper conductors only! accordance with the thermostat performance data in the Data/ Unit terminals are not designed to installation instructions. - Page 12 Installation Figure 6. Typical Field Wiring - ReliaTel™ Control Note: Wiring shown with dashed TTA240F/TWE240E lines is to be furnished and Field Wiring: installed by the customer. All customer supplied wiring must be copper only and 3 power wires, line voltage must conform to NEC and local electrical codes.
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Page 13: Wiring Diagram
Wiring Diagram Figure 7. Night Setback Panel Field Wiring Figure 8. Zone Sensor Field Wiring Figure 9. Thermostat Field Wiring TTA-SVX03A-EN... -
Page 14: Refrigerant Circuit
Refrigerant Circuit Figure 10. TTA240F-TWE240E Refrigerant Circuit TTA-SVX03A-EN... -
Page 15: Pre-Start
Pre-Start Safety Controls Internal Overload Protector (IOL) Installation Checklist Note: All of these controls may not This device is a thermal actuated Complete this checklist once the unit be installed on your unit, snap disc, embedded in the is installed to verify that all check electrical schematic. -
Page 16: Start-Up
Start-Up Electromechanical Cooling Mode The ReliaTel™ Controls is a microelectronic control feature, Controls With the disconnect switch in the ON which provides operating functions position, current is supplied to the that are significantly different than compressor sump heater(s) and Unit Model Number Digits 9 conventional Electromechanical control transformer. - Page 17 Start-Up For Thermostat Control: ReliaTel™ Control Heating Operation When the room thermostat system switch is positioned at COOL and the When the system switch is set to the fan switch is at AUTO, the RTRM HEAT position and heating is energizes the compressor relay coil required, the RTRM energizes the located on the RTRM during a call for...
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Page 18: System Test Modes Reliatel™ Controls
System Test Modes ReliaTel™ Controls Test Modes Step Test Mode - This method Auto Test Mode - This method initiates the different is not recommended for start-up Upon power initialization, the RTRM components of the unit, one at a due to the short timing between performs self-diagnostic checks to time, by temporarily shorting individual component steps. -
Page 19: Troubleshooting
Troubleshooting Trouble Shooting Utilizing "Method 1" or "Method System Status Checkout 2" in the "System Status Procedure ReliaTel™ Controls Diagnostic" section, check the "System Status" is checked by using following: The RTRM has the ability to provide one of the following two methods: the service personnel with some unit –... -
Page 20: Simultaneous Heat And Cool Failure
Troubleshooting Cooling Failure WARNING BAYSENS010B ZSM and connect wires with alligator clamps to Live Electrical Components! Cooling and heating set point terminals 6 through 10. Connected (slide pot) on the zone sensor each respective terminal wire (6 During installation, testing, servicing has failed. -
Page 21: Temperature Tests
Troubleshooting Zone Temperature Sensor (ZTS) Table 6. Test 3 - System Mode and Fan Selection Service Indicator Resistance Zone Sensor The ZSM SERVICE LED is a generic Valves Unit/Fan Local Unit Local Fan (Ohms) Mode Mode Mode indicator that will signal the closing 2.32K Off/Auto Auto... - Page 22 Troubleshooting Programmable & Digital Zone Sensor Test Testing serial communication voltage Verify 24 VAC is present between terminals J6-14 & J6-11. Disconnect wires from J6-11 and J6-12. Measure the voltage between J6-11 and J6-12, should be about 32 VDC. Reconnect wires to terminals J6- 11 and J6-12.
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Page 23: Maintenance
Maintenance Maintenance Observe indoor fan operation WARNING and correct any unusual or Fiberglass Wool! Perform all of the indicated excessive vibration. Clean Product contains fiberglass wool. maintenance procedures at the blower wheels as needed. Disturbing the insulation in this intervals scheduled. This will product during installation, prolong the life of the unit and Annually (Cooling Season) -
Page 24: Maintenance Log
Maintenance Log Maintenance Log* Date Ambient Evaporator Compressor Superheat Subcooling Temp. Entering Air Circuit #1 Circuit #1 Suction Discharge Bulb Bulb Pressure Pressure Perform each inspection once per month (during cooling season) while unit is operating TTA-SVX03A-EN... -
Page 25: Warranty
FORTH HEREIN ARE IN LIEU OF ALL This warranty is extended by not apply to you. This warranty gives OTHER WARRANTIES AND American Standard to the original you specific legal rights, and you LIABILITIES, WHETHER IN purchaser and to any succeeding... - Page 26 TTA-SVX03A-EN...
- Page 27 TTA-SVX03A-EN...
- Page 28 Literature Order Number TTA-SVX03A-EN Date October 2006 Supersedes TTA-SVN03A-EN Stocking Location Webb/Mason The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.