Topaz TZ-12B Owner's Manual

Text of Topaz TZ-12B User Guide:

• Topaz TZ-12B, 1-800-836-7432 Unit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Rating Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 General Requirements . . . . . . . . . . . . . . . . . . . . . . . . . .

• Topaz TZ-12B, 3 Portable Air Conditioners Unit Specifications Rating Information SPECIFICATIONS TZ-12B TZ-18B Cooling Capacity, BTU/hr 1 11,900 17,300 power supply 2 Volts/ph/Hz/amps 115/1/60/15 115/1/60/15 Thermostat control Mechanical 3 Mechanical 3 Metering device TX Valve TX Valve Total power consumption, kW 1.4 1.4 Current consumption, amps 11.9 12.0 Recommended circuit amps 15.0 15.0 NEMA plug type 5-15P 5-15P Evaporator CFM, free discharge 350 500 Condenser CFM 500 1,000 Maximum esp, in wc 0.10 0.10 Maximum duct length, ft 40 40 Condensate-pump head, ft 15

• Topaz TZ-12B, TOPAZ ™ Owner’s Manual Inspection 1. Inspect unit on delivery. 2. Report any damage to the delivery carrier. 3. Request a written inspection report from the Claims Inspector to substantiate claim. 4. File claims with the delivery carrier. 5. Compare unit received with description of product ordered. General Description Topaz Portable Air Conditioners are designed to spot cool industrial, commercial, institutional, and construction sites. These Two models provide 11,900 to 17,300 BTU/hr. Options include discharge nozzles to direct conditioned air

• Short Cycle Protection Timer The TZ-12B and 18B models are equipped with a short cycle protection timer. The timer provides a five-minute delay before the refrigerant compressor restarts. Under normal conditions, no adjustments are necessary. Manual Temperature-Control System The manual temperature control system allows you to set the desired temperature by simply rotating the COOL/COOLER

• Topaz TZ-12B, Installation Instructions Before Installing Check unit for damage. Air conditioners are inspected at the factory. If any damage has occurred, save the packaging and file a claim with the delivering carrier within fifteen working days. TOPAZ requires minimal installation. Plug unit in proper NEMA receptacle, and it begins to cool immediately. Electrical Supply Determine the proper power by checking unit’s rating plate. Refer to the Specifications section on page 3 for voltage and fuse requirements. Use wall outlets and receptacles found in the table below. Operating unit on improper voltages voids the warranty. Note: Extension cords may be used if rated at a min

• Topaz TZ-12B, 7 Portable Air Conditioners 5. Check inlet and outlet piping. Clean as necessary. Be sure there are no kinks in the lines that can inhibit flow. 6. Exterior of the unit can be cleaned with a damp cloth. Do not allow water to enter condenser fan outlet or the thermostat.

• Topaz TZ-12B, Troubleshooting Guide S ervice, other than routine maintenance, should be performed by a qualified electrical and refrigeration professional. P roblem Cause Remedy Unit does not run Power interruption Check external power supply. Look for blown fuses or tripped circuit breakers. Reset or replace. Thermostat inoperable Setting may be too high. Check and reset. Thermostat may be out of calibration or defective. Replace. Electrical Panel Check output of transformer. -24-Volt transformer defective If not supplying 24 volts, replace. -Contactor coil defective Replace. -Contacts stuck open, burned or dirty Correct or change. -Wires loose Tighten connections. Eva

• Topaz TZ-12B, 9 Portable Air Conditioners Problem Cause Remedy Insufficient cooling Insufficient airflow through evaporator See Preventive Maintenance section of this manual. coil due to: -Dirty air filter in unit -Replace filter. -Dirty evaporator coil -Clean coil with a vacuum cleaner and hose. -Ice on evaporator coil -Defrost. Run on fan only. -Obstructed air intake -Remove obstruction. -Low refrigerant -Repair leak in system. Unit improperly sized Check to assure unit is sized for load. Add supplemental unit if required. Noisy operation Copper tubing vibrating Adjust by be

• Topaz TZ-12B, TOPAZ ™ Owner’s Manual Installing Replacement Parts Ceiling-Panel Duct Kit 1. Secure one end of the duct to the ceiling-panel adapter and the other end over the unit’s duct collar. 2. Place the ceiling-panel adapter under suspended ceiling panel’s framework directly above unit. Condensate Pump 1. Unplug unit from power source. Remove condensate tank and hose from drain pan. 2. Place condensate pump on condensate-tank shelf. Align holes in shelf with mounting slots in molded tank. Secure pump to condensate-tank shelf using two supplied sheet metal screws. 3. Remove electrical plug and jumper wire from recep- tacle located on bulkhead next to the service fittings. 4. C

• 11 Portable Air Conditioners Accessories Part Description NK-1 two, 4-in nozzles with attachment kit, TZ-12B NK-2 two, 6-in nozzles with attachment kit, TZ-18B CK-1 10-in ceiling discharge kit, TZ-12B CK-3 14-in ceiling discharge kit, TZ-18B PC-1 condensate pump, 115 volt, TZ-12B and TZ-18B CP-1B 10-in condenser return-air plenum, TZ-12B CP-2B 14-in condenser return-

• Topaz TZ-12B, TOPAZ ™ Owner’s Manual D escription Part Number TZ-12B TZ-18B service valve, 5/16-in 88400.284 • • service valve, 1/2-in 88400.250 • • lter drier 83201.043 • • expansion valve 88400.477 • 88400.478 • evaporator blower & motor assembly 83100.102 • 83100.159 • condenser blower & motor assembly 83100.116 • 83100.205 • compressor 82200.023 • 82200.028 • evaporator-motor capacitor 85601.713 • 85601.724 • condenser-motor capacitor 85601.724 • 85601.733 • compressor-motor capacitor 85

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