Service Manual 2005
Contents
1. 81400304 e Poe __ _ si4o0 306f __ __ 814002909 __ geco fedi SS DEE SE EDE SIE TEEN 2 in swivel caster two per unit UOS SE EE SEEN 3 in caster two per unit 1000040 T 3 in swivel caster two per unit 181000035 o lf o 5 bo qo 3 1 4 in caster two per unit PC aS ESS SS ES Sea ees 3 1 4 in swivel caster two per unit kooo EEN EEN EEN EE N EE N 13 Replacement Parts continued Description high pressure switch manual thermostat condensate tank condensate pan adjusting spring lower spring remote indoor sensor spring clip 3 8 in door snap in switch freeze protection control remote thermostat probe drain pan evaporator motor sheave evaporator blower sheave condenser motor sheave condenser blower sheave condenser fan transformer condensate jumper plug 3 Amp Fuse 20 Amp 3 pole contactor Part No TZ 12A TZ 18A TZ 24A TZ 36A TZ GOA TZ GOA4 ct in en e e e I sw gt sw sal EET meis e gt seo _ sees sool _ mew EE maw _ ewo _ ses ST T_T wow ST O O meos 88000 058 m pcm esse ses soos ema TODA Z Owner s Manual Portable Industrial Air Conditioners Wiring Schematic TZ 12A TZ 24A and TZ 36A Leakage Curr2. with hot water shaking excess moisture from filter to dry Coil Cleaning Evaporator and condenser coils can be cleaned using compressed air TOPAZ Owner s Manual Condensate Pump 1 Disconnect unit from power source before attempting to service or remove any component Be sure floats move freely Clean as necessary Remove floats and check for obstructions Clean as needed 4 Clean tank with warm water and mild soap when mineral deposits are visible 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 Belt Tension models TZ 60A TZ 60A4 only Topaz models TZ 60A and TZ 60A4 are equipped with adjustable sheaves on the evaporator and condenser fans Conditioned air and condenser air are controlled using double inlet forward curved fans driven by belt and sheave combinations Adjust belt tension for 3 16 in deflection with 2 Ibs force Sheave Adjustment The evaporator fan and condenser fan sheaves are factory pre set and should not be adjusted Periodically check that sheaves are securely fastened to blower shafts by tightening the set screw on the stationary half of sheave If necessary adjust pitch by loosening the set screw on the adjustable half of the sheave Turn sheave clockwise until it touches the station
3. CP 4 EP 1 EP 2 EP 3 EP 4 DA 6 Description two 4 in nozzles with attachment kit TZ 12 two 6 in nozzles with attachment kit TZ 18 TZ 24 and TZ 36 two 8 in nozzles with attachment kit TZ 60 10 in ceiling discharge kit TZ 12 14 in ceiling discharge kit TZ 24 14 in ceiling discharge kit TZ 18 and TZ 36 20 in ceiling discharge kit TZ 60 condensate pump 115 volt TZ 12 and TZ 18 condensate pump 208 230 volt TZ 24 TZ 36 and TZ 60 10 in condenser return air plenum TZ 12 14 in condenser return air plenum TZ 18 and TZ 24 14 in condenser return air plenum TZ 36 20 in condenser return air plenum TZ 60 10 in evaporator return air plenum TZ 12 14 in evaporator return air plenum TZ 18 and TZ 24 14 in evaporator return air plenum TZ 36 20 in evaporator return air plenum TZ 60 6 in cold air supply duct adapter TZ 12 DA 10 10 in cold air supply duct adapter TZ 18 TZ 24 and TZ 36 DA 14 14 in cold air supply duct adapter TZ 60 11 Replacement Parts List Description service valve 5 16 in service valve 3 8 in service valve 1 2 in service valve 5 8 in service valve 7 8 in filter drier 88400 284 88400 249 88400 250 88400 251 88400 256 83201 017 TZ 18A TZ 2A4A TZ 36A 4 N iu is 4 N o Oo P A 3201 029 3200 169 8401 025 8401 030 8401 028 8401 029 8401 031 3100 102 3100 159 3100 117 3100 118 0500 138 5600 1 21 5600 101 3100 116 5100 160 3100 118 3100 119 0500 137 soo
4. 1 800 836 7432 Warning Improper installation adjustment alteration service or maintenance can cause injury or property damage Please read instructions before installing operating or servicing the TOPAZ unit Avertissement Le fait de modifier ou de mal installer r gler r parer ou entretenir cet appareil peut entrainer des blessures ou des dommages mat riels On doit lire attentivement les directives d installation d utilisation et d entretien avant de manipuler l unit TOPAZ This manual is the property of the owner Leave with the unit when set up and start up are complete RUPP Industries reserves the right to change design and specifications without prior notice EER N NA A N r y NI Yl J AN C4 f A J a W f Af a MI 1 ME w N P N Portable Air Conditioners Owner s Manual Unit Specifications sessi SE L eee ER RR eee 3 Rating Information ss a6 Re gaan eGR la ON ee 3 INSPECHON i vitals Md DR E e oo ed ed Ee 4 General Description 4 General Requirements 0 eee eect teen 4 standard Peatutes si asia teo kobe s be od ee T a pa A 4 Optional Features iii 3 Installation Instructions Li 6 Unt Operation tici io cerei d ec wale bad 6 Preventative Maintenance LL 7 Troubleshooting Guide saca ciena rap AEE EA EG een 8 Installing Replacement Parts 10 ACCESSOMES iae N 11 Replacement Parts List 12 Wiring Schematic TZ 12A T
5. 65 105 65 105 65 110 65 110 Sound level dB 57 63 63 67 71 71 R 22 charge oz 32 52 544 BU 110 110 Ixwxh in 26x20x34 29x28x41 29x 28x 4 30x 28x51 42x30x70 42x30x70 Weight net wt shipping wt lh 163 205 232 286 251 305 336 395 650 685 650 685 1 Rating conditions 95 F at 60 RH 2 Electrical ratings based on UL 484 3 Electronic Programmable Thermostat available 4 R4O7C Refrigerant available 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 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 Six models provide 14 000 to 77 500 BTU hr Options include discharge nozzles to direct conditioned air precisely where needed and flexible duct to transfer condenser hot air either outside or to an adjacent area Topaz Portable Air Conditioners are completely self contained and housed within an insulated cabinet The unit s exterior is constructed of galvanized steel and protected with a tough powder coated polyester finish All models are equipped standard heavy duty casters for portability General Requirements Topaz Portable Air Conditioners are designed for ease of operation and rugged dependability Fo
6. Z 24A and TZ 36A ee 15 Wiring Schematic TZ 18 sesi ER EE GE eee nee ee se ae eae 16 Wiring Schematic TZ 60A ES eee eee 17 Wiring Schematic TZ 60A4 Se SE Se Se Se eee 18 Built Right First To Last Portable Air Conditioners Unit Specifications control thermostat condensate tank full light evaporator exhaust evaporator fan screen condenser fan return air screen with filter condenser coil evaporator coil condensate tank access door condensate tank compressor heavy duty casters front view side view Rating Information Cooling Capacity BTU hr 14 000 17 600 29 600 47 200 77 500 76 500 power supply voltage phase amps 115 60 1 15 115 60 1 15 230 60 1 20 230 60 1 30 230 60 1 60 460 60 3 20 Thermostat control Mechanical Mechanical Mechanical Mechanical Mechanical Mechanical Metering device TX Valve TX Valve TX Valve TX Valve TX Valve TX Valve Total power consumption kW 15 14 29 4 2 8 7 9 3 Current consumption amps LA 12 0 12 5 18 3 37 8 13 2 Recommended circuit amps 15 0 15 0 20 0 30 0 60 0 20 0 NEMA plug type 5 15P 5 15P 6 20P 6 30P wired wired CER rating 10 4 128 10 3 10 0 8 9 8 3 Evaporator CFM free discharge 350 600 750 1 200 2 300 2 300 Condenser CFM 500 1 000 1 000 1 500 3 900 3 900 Maximum esp in wc 0 10 0 10 0 10 0 10 0 50 0 50 Maximum duct length ft 40 40 40 40 40 40 Condensate pump head ft 15 15 15 15 15 15 Operating limits min max F 65 105 65 110
7. alibration or defective Replace Check output of transformer If not supplying 24 volts replace Replace Correct or change Tighten connections Check power supply for voltage outside the range of 106 to 126 V on 115 V units and 187 to 253 V 208 230 V units Examine control unit for loose wires and tighten Wait four minutes before re starting Clean condenser coil filter Clean condenser discharge screen Check for defective condenser fan motor Replace if necessary Restricted duct Wait 5 min for timer to allow compressor to restart Replace Locate leak and repair Evacuate unit and recharge Check for loose or shorted conductors Secure contact between wires and connectors Repair or replace as necessary Check for shorts opens and grounds Compressor replacement should be done by a service technician Empty tank and replace See pg 5 condensate tank Check tank if full remove tank empty and replace If unit comes back on replace defective light See pg 10 Replace Unit must have either condensate pump or condensate jump plug installed to operate unit Replace fan motor Replace capacitor Trace and repair Open rear access cover push in red manual reset button on overload relay wait 5 min for compressor to restart TODA Z Owner s Manual Problem Insufficient cooling Noisy operation Water leaks from pan Evaporator coil freezing and shuts unit down Unit no
8. ant Detection Interruption Plug Compressar Motor Unit Voltoge Phase Hertz Plug 42 23 gt Q _ _ Condenser 1Z 12A 120 1 60 5 15P Evaporator Fon Motor Sw 208 230 1 60 6 20P Starter Stort Copocitor Tz 12a amp Tz 36a 36A 208 230 1 60 6 30P Q 2 BK O O BR O BL BK Plug Locations 3 J1 Evaporator Comportment J2 Condensate Campartment N BK 120 volt for 120 volt units Evaporator 120 or E Fan Metar QEN R 208 volt for 230 volt units Tz 12a amp Tz 24a contre Fon ON OFF ALITO ransformer Switch CH Evaporatar Starter Cail BK BL Condensate Condensote Full Switch BE x Full Light BK BL nas BL le O eO LET Thermostat J2 5 BR Y V 5 Pe 9 NP o 1 5 J2 6 Spl ce Condenser Short oe Freeze Starter Coil Timer 5 Min Hh Pressure Contral Switch Optional Condensate Pump P N PC 1 21 3 1 P Stort Copocitar A BK EO Of v o J1 2 g Condensate Pump o Motor 41 1 BK BK condensa Evaporator Candensate Flaat an Moore an or ee ES e ee EEN di N Ji 4 o J1 Jumper Plug P N 88800 165 J1 5 41 5 e Condensote Pump Overflow Switch J1 6 y o_O vam m j bast when PC 1 is not installed 15 Wiring Schematic TZ 18A Portable Air Conditioners Plug 5 15P 115V 1 Phase 60 Hertz Leakage Current Detection Interruption Plug Plug Locations J2 Condensate Compartment J1 Condensate Compa
9. ary half To adjust evaporator motor sheave Turn sheave counterclockwise 3 1 2 turns and tighten set screw To adjust condenser motor sheave Turn sheave counterclockwise 4 turns and tighten set screw Portable Air Conditioners Troubleshooting Guide Service other than routine maintenance should be performed by a qualified electrical and refrigeration professional Problem Unit does not run Evaporator fan runs but compressor and condenser fan does not start Compressor runs but fan does not run Cause Power interruption Thermostat inoperable Electrical Panel 24 Volt transformer defective TZ 12A 24A 36A and 60A only Contactor coil defective Contacts stuck open burned or dirty Wires loose Low voltage Thermostat High pressure control switch turning unit off Short cycle timer not timed out TZ 12A 24A 36A and 60A only Compressor contactor open or burned Refrigerant leak no freon Loose or defective wires Defective compressor Condensate tank full Red indicator light defective Shorted or open run capacitor s Condensate jumper plug or condensate pump not installed Open fan motor coil circuit Shorted or open fan motor capacitor Loose or defective wires Overload relay tripped TZ 60A only Remedy Check external power supply Look for blown fuses or tripped circuit breakers Reset or replace Setting may be too high Check and reset Thermostat may be out of c
10. d 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 Model Plug Configuration Receptacle TZ 12A TZ 18A 115V 15A 115V NEMA 5 15P NEMA 5 15R TZ 24A 208 230V 20A 230V NEMA 6 20P NEMA 6 20P TZ 36A 30A 230V 208 230V NEMA 6 30P NEMA 6 30P 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 minimum 120 V 20 amp for models TZ 12A and TZ 18A or 230 V 20 amp for model TZ 24A or 230 V 30 amp for model TZ 36A Extension cords can not be used with the TZ 60A or TZ 60A4 Extension cords must be fitted with the appropriate grounding type attachment plug Use 25 ft maximum length extension TZ 60A4 3 Phase Wiring Instructions The rotation of a three phase AC motor compressor depends on the phase sequence of the incoming power supply Reversing any two of the three power supply leads will reverse the rotation of the motor compressor Improper rotation of the motor compressor can lead to damage of the equipment Unit Operation Fan Place unit on level surface Plug unit
11. densate Float Switch J1 4 EO ln Condensate Pump 11 B gR TOPAZ Owner s Manual One Rupp Plaza 3700 West Preserve Boulevard Burnsville Minnesota 55337 7746 1 re 8 00 83 6 7432 89500 309 0206 2006 RUPP Industries Inc Printed in USA
12. hole in side of unit to a convenient drain or outdoor location Fan Motors TZ 12 through TZ 36 1 Remove cabinet s side panels 2 Disconnect evaporator motor wires at the connector plug Disconnect condenser motor wires at the connector plug Remove unit s top and disconnect thermostat at connector plug Remove screws securing blower mounts All screws are external and visible Remove motors and blower and assemblies Remove blower and fan assembly Install new motors reversing the removal procedure Fan Motors TZ 60 and TZ 60A4 1 Disconnect power from unit 2 Remove cabinet s side panels 3 Disconnect wires from motor that needs to be replaced 4 Disconnect belt from drives 5 Remove bolts holding motor onto motor mount 6 Remove sheave from motor 7 Install new motor reversing the removal procedure 8 Adjust sheave and belt tension as outlined in preventative maintenance Red Indicator Light 1 To replace pilot light disconnect wires from control panel bend tinnerman clip holding light and pull out 2 Install new light reversing the procedure TOPAZ Owner s Manual Portable Air Conditioners Accessories ceiling discharge kit supply duct adapter SE ge condensate pump kit C evaporator Ss return air plenum amp condenser MN return air plenum Part NK 1 NK 2 NK 3 CK 1 CK 2 CK 3 CK 4 PC 1 PC 2 CP 1 CP 2 CP 3
13. in Press the COOL FAN on switch for continuous fan operation The cooling circuit will cycle on and off Press the COOL FAN AUTO switch for cycling the fan operating on and off with the cooling circuit Cooling Cycle 1 Set the desired temperature by adjusting the WARMER COOLER dial from 68 115 Note Wait 4 minutes between turning cooling mode off and on Preventative Maintenance TOPAZ provides maximum performance and reliability with minimum maintenance The refrigeration and electrical circuits of the system should be serviced by qualified technicians only To prolong the life of the unit perform regular maintenance as described below Blower Motors The blower motor has permanently lubricated ball bearings and require no relubrication Inspect fan for buildup of dirt on blades Clean as needed Filters A clogged filter causes the unit to operate at reduced efficiencies Inspect filter every six weeks or more if operating in a dirty environment The evaporator s washable aluminum filter is located behind the return air grille and can be easily removed by pulling out the grille opening the return air grille and slowly lift towards hinge The condenser s washable aluminum filter is located in the lower back of the unit Remove by releasing the retaining clip and pull out Wash filters periodically by placing them in a dishwasher or soak in a solution of warm water and detergent for ten minutes Rinse clean
14. ion resumes when the temperature of the coil rises and the ice melts Short Cycle Protection Timer The TZ 12A 24A 36A 60A and 60A4 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 TODA Z Owner s Manual Manual Temperature Control System The manual temperature control system allows you to set the desired temperature by simply rotating the WARMER COOLER dial either left or right The supply air fan can be set to run continuously whether the cooling circuit cycle is on and off or can be set to cycle on and off with the cooling circuit ra Gy WARMER COOLER automatic fan OFF CooL CooL FAN ON FAN AUTO continuous fan Filter All units are equipped with removable washable aluminum mesh air filters Located behind the return air and discharge air grilles these can be removed and easily cleaned Condensate Tank A five gallon polyethylene tank in the lower front compartment of the unit collects evaporator coil condensate moisture When full the weight of the tank activates a cutout switch turning the refrigeration circuit OFF and illuminating the condensate tank full light on the unit s front The tank is readily accessible behind a hinged door Simply remove drain replace and restart Note The unit will not operate unless the tank is drai
15. llow installation and maintenance instructions completely Fill out and return the warranty registration card within 30 days of purchase to register the warranty Standard Features Serviceability Topaz Portable Air Conditioners have removable side panels for easier servicing from all sides The interior of the unit is divided into four sub compartments The upper right encloses the evaporator coil and fan and provides access to the thermostat and fan switch The lower right contains the condensate tank and access to the high pressure switch The condenser fan on air cooled models can be found in the upper left compartment The lower left compartment encases the condenser coil compressor and most electrical components evaporator condenser fan fan high pressure switch evaporator condenser coil coil compressor condensate tank left hand side view High Pressure Safety Switch All models feature a manual reset high pressure switch If refrigeration circuit pressure exceeds control limits power shuts off to protect the compressor and other critical components Note Wait four minutes to restart unit after high pressure safety switch trips Freeze Protection Control The TZ 12A 24A 36A 60A and 60A4 models are equipped with an automatic freeze protection control This control turns the compressor off if moisture on the evaporator coil freezes and blocks the coil Normal cooling operat
16. n T T ToS E 62200026 LL EE o _ EI NN NN WNC NN I I HE E 2200 015 2200 024 2200 029 22001055 5601 713 5601 724 5601 714 5601 723 5601 727 5601 724 5601 021 5601 713 expansion valve evaporator blower amp motor assembly evaporator blower OO evaporator motor condenser blower amp motor assembly condenser blower condenser motor compressor evaporator motor capacitor condenser motor capacitor TODA Z Owner s Manual Portable Air Conditioners Description compressor motor capacitor 856017285 e __ po Pot 856017225 e To T S 85601715 o Poe o EE jo seori o Poo Poe Poo S 85601732 Eo S Pose joo 829002543 e e __ Eoo S supply cordset 82900255 J S 82900256 T P EER o eq os jo s EE EE control transformer 88000 044 __ etwo 88000014 ES fan contactor 87300242 gt compressor contactor 873002588 86300050 J e Jo red indicator light 80700 12 80700051 e e filter door latch ga900 04a gt e door handle 53800004 ccce Eme condensate pan switch 87500128 e e gt gt gt evaporator filter ESTERI SS ERI ee m emm ED EE Bel OE EE IE SE IE ET 83200174 Te condenser filter 8300101 TC 83200161 e Poe __ am lT 83200175 so oreo ETH T Ed eS Ee 81400303 e Poe H ec NE EE ee EE EE Elea ae eee EE consenserit giago i __ I
17. ned periodically An optional condensate pump is available for continuous operation Optional Features Condenser Duct Condenser discharge air can be removed from the conditioned space with flexible duct Use 40 ft maximum for all models Allow six feet for every 90 bend Do not exceed 0 10 in we external static pressure at the condenser Portable Air Conditioners Ceiling Panel Duct Kit A ceiling panel duct kit comes complete with flexible duct and a 2 ft by 2 ft ceiling tile adapter which allows condenser air to be vented to the plenum area above a suspended ceiling Discharge Nozzle Kit A dual nozzle discharge air assembly optimizes the ability to direct cool air precisely where needed The flexible nozzles are attached to a mounting plate that fits over the evaporator air grille See Accessory Information on page 11 for proper sizing Condensate Pump A condensate pump automatically drains the condensate pan by removing evaporator coil water allowing continuous operation The pump is connected to the condensate drain and to the air conditioner s power supply A hose runs from the unit to a convenient drain or outdoor location Cord Kit LCDD TZ 12A 18A 24A 36A The LCDI cord set provides both personal shock as well as cord arcing and fire protection Use the LCDI cord kit provided by RUPP Industries Inc Installation Instructions Before Installing Check unit for damage Air conditioners are inspecte
18. not operate properly if combination of lift height and length of drain line exceeds 20 ft Change pump if defective Level Remove obstruction Check that control is securely attached to evaporator coil s outlet and that insulation is in place Check wiring connections to freeze protection control Check condition and adjustment of evaporator and condenser fan belts and sheaves Adjust belts for 3 16 in deflection See pg 7 Installing Replacement Parts Ceiling Panel Duct Kit 1 2 Secure one end of the duct to the ceiling panel adapter and the other end over the unit s duct collar Place the ceiling panel adapter under suspended ceiling panel s framework directly above unit r demaximum replace ceiling panel with adapter panel provided in kit fasten collar to unit using supplied screws Condensate Pump l Unplug unit from power source Remove condensate tank and hose from drain pan 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 Remove electrical plug and jumper wire from recep tacle located on bulkhead next to the service fittings Connect condensate pump s power plug to receptacle Install hose from drain pan to the pump inlet Remove plug from hole in side of unit 7 Install drain hose from condensate pump outlet through
19. rtment Optianal Condensate Pump P N PC 1 i a an q J1 3 c 0 55 up Cond te P jo 8 gu CU Motor T J1 1 BK Condensate Float Switch 2 4 o ies Condensate gad ot LE Overflow Switch 1 8 BR lr _ A ae J Re O O Condensate Full Light Condensate Full Switch Fan ON AUTO Switch anc am Thermostat High Pressure Uondenser Switch Relay RE O1 BL Q 9 Start Capacitor mS BK 9 O Q Buck Transformer Bond Fan BL Motor Start Capacitor R BK i Ld O 2 si Condenser Compressor Rel RE O1 elay RE Q N Motor Start Capacitor pacitor po BL Evap Fan BK Motor r J1 5 1 6 y Ea wl TODA Z Owner s Manual Wiring Schematic TZ 60A Portable me 6 Compressor 20B 230V D Ti m Starter gu 1 Phase 60 Hertz D O T Oa HO Stort Copacitar R G LOS 2 Fo 15 Field Wirin w Terminal By ethers Block Compressor Condenser Blower Condenser Blower Motor Starter Motor Overload Plug Locations w J1 Evaporator Compartment J2 Candensote Compartment J2 2 O 8K Condenser WN Control Transtormer Fan ON OFF AUTO Switch Blower Motar Evaporator Blower Starter Evaporator Blawer Matar 208 volt for 230 volt units Evaporotor Starter Coil Condensate Full Switch BE J1 2 oho L 5 41 4 41 5 za Condensate J2 4 Full Light Thermasta
20. t J2 S Condenser Short Cycle Timer 5 Min High Pressure Switch N J2 6 O Splice Condenser Blower Compressor Freeze Motor Overload Contact Starter Coil Control Qptionol Condensote Pump P N PC 1 J1 Jumper Plug P N 88800 165 e rs d 41 3 BK OS J1 6 Y 41 2 g Condensate Pump A Motor Regired when PC 1 is not installed 41 1 Bx Condensate Float Switch PES o lu 5 Condensate Pump BL Overflow Switch la 6 BR Industrial Air Conditioners Wiring Schematic TZ 60A4 ed G l Portable Industrial Air Conditioners Compressor Storter LI BK 460V e 2 R 3 Phase 60 Hertz T L3 BL o eo ss R BK Field Wirin Terminal Hy others Block Fuse Fuse i 480V BK Plug Locations Control 4 Evaporator Compartment Transfarmer porot J2 Condensate Compartment Q Eva rotor Power aM o O BK J2 2 J2 3 G Fan ON OFF AUTO Trane e Switen 3 R E BL Evaporator Blower Motor Evaporator Starter Coil BR J1 2 ER BL 93 0 K 41 4 w J1 5 w O EO OO Candensate Full Light Condensate J2 4 Full Switch BL BL lt BL Overflow Switch J2 5 BR Y 42 8 y 0 R aC ana AL BL BL O Splice 2 Compressor Condenser af SAE High Pressure Control Optional Condensate Pump P N PC 1_ Ji Jumper Plug P N 88800 165 A do Fas d oe 41 6 pe G Condensate Pump Y 5 m Reqired when PC 1 is not installed 5121 gk Con
21. t delivering proper air flow TZ 60A4 only Cause Insufficient airflow through evaporator coil due to Dirty air filter in unit Dirty evaporator coil Ice on evaporator coil Obstructed air intake Low refrigerant Improper Motor Rotation TZ 60A4 only Unit improperly sized Copper tubing vibrating Loose cabinet or internal component Machine vibrating out of level Blower motor bearing defective Leaky drain pan Drain plugged Loose evaporator drain or condensate pump hose Defective condensate pump or excessive lift on pump Unit not on level surface Evaporator exhaust screen obstructed Freeze protection control not operating correctly TZ 12A 24A 36A 60A and 60A4 only Drive belt damaged or not adjusted correctly Portable Air Conditioners Remedy See Preventive Maintenance section of this manual Clean filter Clean filter with a vacuum cleaner and hose Defrost Run on fan only Remove obstruction Repair leak in system Reverse two of the three power supply leads See TZ 60A4 Phase wiring instructions pg 6 Check to assure unit is sized for load Add supplemental unit if required Adjust by bending slightly to firm position Segregate tubes touching cabinet or each other Check and tighten loose screws Level unit base Replace blower motor Replace pan Check and clear obstruction Tighten connections If elevation exceeds 20 ft a larger pump is required Pump does
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