Turbo Air ADM131 Скачать руководство пользователя страница 19 | Manualshive

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Turbo Air ADM131 Скачать руководство пользователя страница 19

19

Symptoms

Possible causes

Solution

Coil not clearing

of frost during

defrost cycle

Coil temperature not getting above

freezing point during defrost.

Check heater operation

Insufficient defrost period

Adjust timer or more defrost

cycle

Defrost cycle too short

Adjust defrost thermostat or

timer for longer cycle

Defective timer or defrost

thermostat

Replace defective component

Ice accumulating

on

ceiling ,around

evaporator, on

fan guard, or

blades.

Defrost time is too long

Adjust defrost termination

thermostat.

Not delaying fans after defrost

period.

Check fan delaying thermostat

Defective defrost thermostat or

timer.

Replace defective component

Too many defrosts

Reduce the number of defrosts

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Содержание ADM131

Страница 1: ...s Up the Pace of Innovation Part No KUCTB2503 Refrigeration System Installation Operation Manual Please read this manual completely before attempting to install or operate this equipment Unit Cooler C...

Страница 2: ...Inspection 3 Locating Unit Cooler 4 Unit Cooler Piping 6 Expansion Valve Selection 7 Defrost 10 Locating and Mounting Condensing Unit 12 System Operation 13 Unit Cooler Troubleshooting 15 System Trou...

Страница 3: ...o prevent electric shock Please call the specialized installation company or trained personnel when you installing moving operating of the unit Field wiring must confirm to the requirements of units e...

Страница 4: ...commended location methods of Unit Cooler 1 Avoid placing Unit Cooler close to doors Install like Figure 3 or Figure 4 2 Avoid having them face each other when installing multiple units Install like F...

Страница 5: ...rd 7 The area above the unit cooler must be sealed or exposed in such away to allow hand cleaning without the use of tools When lagging or bolting unit flush to the ceilings seal the joint between the...

Страница 6: ...ing installation of the piping to prevent entrance of foreign matter Use only refrigeration grade copper tubing properly sealed against contamination Figure 8 Suction piping installation on an evapora...

Страница 7: ...gh walls or ceilings Precautions should be taken to see that the piping does not touch any structural the transmission of vibration into the building The piping chase must be thoroughly sealed to prot...

Страница 8: ...4 SC ADR196 19600 SBFSE B C HFESC 1 1 2 SC ADR218 21800 SBFSE B C HFESC 1 1 2 SC ADR273 27300 SBFSE C C HFESC 2 SC ADR393 39300 SBFSE C C HFESC 3 1 2 SC LED042 4200 R 404A 20 29 SBFSE A Z HFESC 1 2 SZ...

Страница 9: ...0 SBFSE B Z MLD220 22000 SSE 3 Z MLD253 25300 SSE 3 Z MLD332 33200 SSE 4 Z MLD388 38800 SSE 6 Z MLD442 44200 SSE 6 Z TTA056 5600 R 404A 25 4 SBFSE A C TTA084 8400 SBFSE A C TTA112 11200 SBFSE A C TTA1...

Страница 10: ...7 8 7 8 7 8 7 8 7 8 1 1 8 7 8 7 8 1 1 8 1 1 8 18000 5 8 7 8 7 8 7 8 7 8 7 8 7 8 1 1 8 7 8 7 8 1 1 8 1 1 8 7 8 1 1 8 1 1 8 1 1 8 24000 5 8 7 8 7 8 7 8 7 8 7 8 1 1 8 1 1 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1...

Страница 11: ...3 8 1 3 8 1 5 8 1 5 8 1 2 1 2 5 8 5 8 1 All line size are basic for O D type L copper tube The above table is maximum suction size and riser size should not exceed horizontal size 2 Suction line size...

Страница 12: ...n and the compressor and fans will run continuously At this time fan power is supplied later than compressor power by fan delay thermostat If it does not a partial defrost results and the residual wat...

Страница 13: ...company Timer should be set correctly Determine the number of defrosts per day and the best time of day for it to occur Insert pins accordingly Set the fail safe time to terminate the defrost a few m...

Страница 14: ...ld be concrete or steel sufficient to support between 2 to 5 times the weight of condensing unit Condensing units must be mounted using pads to avoid vibration or shifting The anchor bolts should be u...

Страница 15: ...15 Figure 11 Spring Mount...

Страница 16: ...djusting the expansion valve Evaporator superheat greater than 14 can substantially reduce system capacity while superheat less than 4 has the potential for flood back Compressor Superheat Compressor...

Страница 17: ...ne in the high side only and with liquid metering devices If R 404A is used liquid must be charged and read up refrigerant explanatory Start up Use the following operating procedure after the installa...

Страница 18: ...Ice build up in coil quickly Fin spaced too narrow Replace coil Evaporating temperature too low Adjust expansion valve Decrease of air volume Check fan and clean air filter Unit cooler capacity is too...

Страница 19: ...cle too short Adjust defrost thermostat or timer for longer cycle Defective timer or defrost thermostat Replace defective component Ice accumulating on ceiling around evaporator on fan guard or blades...

Страница 20: ...ne solenoid not open Repair or replace coil Noisy Compressor Flooding of liquid refrigerant into crankcase Check expansion valve setting Improper piping support on suction or liquid line Relocate add...

Страница 21: ...itions are within allowable limits Discharge valve partially closed Open valve Dirty condenser coil Clean coil Overcharged refrigerant Reduce charge Compressor loses oil Lack of refrigerant Check for...

Страница 22: ...22 Field Wiring Diagram 1 Typical wiring diagram for single evaporator with or without defrost timer Diagram 2 Typical diagram for single evaporator defrost timer only...

Страница 23: ...23 Diagram 3 Typical diagram for single evaporator with defrost timer and single phase heater contactor Diagram 4 Typical diagram for single evaporator with defrost timer and 3 phase heater contactor...

Страница 24: ...24 Diagram 5 Typical diagram for single evaporator defrost timer only TTE TYPE...

Страница 25: ...25 4184 EAST CONANT ST LONG BEACH CA 90808 FAX 562 429 7154 Toll Free 888 900 1002 U S A Canada http www turboairinc net...

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