Unitrol PROCESS 8500 Скачать руководство пользователя страница 1

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PROCESS WATER CHILLER

MODELS 8500, 8501, 8550, 8551

UNITROL ELECTRONICS, INC.

702 LANDWEHR ROAD

NORTHBROOK, IL 60062

847-480-0115

[email protected]

Shown with option #8510 stacking stand.

Содержание PROCESS 8500

Страница 1: ...PROCESS WATER CHILLER MODELS 8500 8501 8550 8551 UNITROL ELECTRONICS INC 702 LANDWEHR ROAD NORTHBROOK IL 60062 847 480 0115 info unitrol electronics com Shown with option 8510 stacking stand...

Страница 2: ...end a local refrigeration contractor to do warranty service In this case Unitrol will pay contractor directly To be covered by this warranty please follow the following procedure 1 Contact the Unitrol...

Страница 3: ...this chiller will provide years of superior service MODEL NUMBER SERIAL NUMBER DATE OF MANUFACTURE REFRIGERANT 407C 4400000 OPTIONS CHILLER MODEL LINE VOLTAGE AND PHASE STANDARD WATER PUMP 8500 25 ton...

Страница 4: ...NOTES...

Страница 5: ...nitial Startup 11 Temperature Sequence 12 Control Panel and Fault Lights 13 Condition Indicator Lights 13 Fault Lights Low Water Flow 14 Low Freon Fault 15 High Freon Fault 15 Dew Point Control Faults...

Страница 6: ......

Страница 7: ...g stand has pockets to receive leg pads on MODULE C 3 Install 2 brass pipes with union between the pump and right side of MODULE A and the tank bulkhead fitting on the left side of MODULE B When insta...

Страница 8: ...ht through one of the grommeted hole in the right side bottom of the base pan and up into the knockout on the black compressor junction box to a local fused disconnect The fused disconnect should be n...

Страница 9: ...DELAY MINIMUM WIRE GAUGE 8500 8550 MODULE A 480 3 35A 10 8500 8550 MODULE A WITH 10HP WATER PUMP 480 3 45A 8 8500 8550 MODULE B 480 3 20A 12 8500 8550 MODULE B with optional backpressure pump 480 3 30...

Страница 10: ...MODULE C to MODULE C For MODULE B the hole is on the left side Run the flexible cable across the basepan to reach the fitting on the black junction box 2 Connect each cable to the waiting fitting on t...

Страница 11: ...to keep the internal water tank filled if there are any leaks in the outside water system A float valve is provided in the water tank PIPE INSULATION ALL PIPES FROM THE CHILLER AND RETURNING TO THE CH...

Страница 12: ...e to a drain since water can be sent into a bucket whenever it is desired to flush out this filter 3 Install this Y strainer filter supplied with this chiller to the 2 bulkhead marked WATER RETURN loc...

Страница 13: ...lamps 5 Set outside water valves as follows TURN ON VALVES 3 4 and M TURN OFF VALVES 1 and 2 6 Remove the expanded metal panel on MODULE B 7 Turn water on at the MAKE UP WATER IN port and the tank sho...

Страница 14: ...scuss this problem 3 Because you will be filling all of the outside pipes it is possible that the water tank will drain down If this happens turn the MASTER ON OFF switch to OFF until the makeup valve...

Страница 15: ...display the tank temperature and the code Dpl dew point lockout This will continue until the tank temperature rises 3 F above the dew point temperature of the room 4 If the set point SP that was ente...

Страница 16: ...SV temperature and the water tank temperature is above the DEW POINT at that moment 2 If you want to change this number press the SEL button a second time and then use the or button to increase or de...

Страница 17: ...utomatically in about 5 minutes If MODULE A is working properly turn the MASTER ON OFF switch OFF Turn on line voltage to MODULE B and MODULE C Turn the MASTER ON OFF switch to ON IF ANY COMPRESSOR ST...

Страница 18: ...temperature FOR CHILLERS WITH OPTIONAL DEW POINT CONTROL IN ALL CASES BELOW IF THE TANK WATER TEMPERATURE IS BELOW THE DEW POINT NO COMPRESSORS WILL OPERATE THE SYSTEM WILL WAIT UNTIL THE TANK WATER T...

Страница 19: ...ompressor even if water temperature is above the temperature controller set point SP or SV LOW FREON FAULT Glows when Freon pressure is below 50psi This will prevent operation of the compressor even i...

Страница 20: ...the overload can be pushed to reset the contactor However the cause should be found and corrected Otherwise this contactor will continue to trip Tripping of the overload can be caused by one of the fo...

Страница 21: ...e Freon leak repair and recharge the system A LOW FREON fault can sometimes clear by itself for a short time but will come back rapidly You may hear the compressor turning ON and OFF rapidly In this c...

Страница 22: ...OT DAYS If the room temperature exceeds 90 F it is possible that the small reduction caused by even a clean intake air filter will cause the system to overheat and trip the HIGH FREON safety switch Re...

Страница 23: ...er than 0 F and above 105 F This would happen if this humidity sensor has failed The display will show The alarm will sound and a pilot duty dry contact between terminals C5 and NO5 on the Dew Point c...

Страница 24: ...water flow is still required set the water valves as shown on the plumbing diagram as follows CONNECTING LOAD TO BUILDING LINE AND DRAIN TURN OFF VALVES 3 4 and M TURN ON VALVES 1 and 2 CONNECTING LO...

Страница 25: ...commercially available aluminum fin spray solvent such as Nonacid condenser coil cleaner W W Grainger 5W403 Follow directions on the product label WATER TANK CLEANING Remove the cover of the water ta...

Страница 26: ...own below Valves are installed to allow fast switchover to city water and drain if needed TO OPERATE ON CHILLER Open valves 1 4 and M Close valves 2 and 3 TO OPERATE ON CITY WATER Open valves 2 and 3...

Страница 27: ...DOCUMENTS UNITROL MODEL 8500 8501 8550 8551 21...

Страница 28: ...DOCUMENTS UNITROL MODEL 8500 8501 8550 8551 22...

Страница 29: ...t the corner braces should be installed so that the end goes above the horizontal tube as shown This sets the top of the four corner braces above the top tubing as shown in this photo Assemble per thi...

Страница 30: ...on top of the stand and place the chiller foot pads between the front and rear top braces There should be about space all around It is not necessary to bolt the chiller since it will be locked in plac...

Страница 31: ...UNITROL ELECTRONICS INC 702 LANDWEHR ROAD NORTHBROOK ILLINOIS 60062 847 480 0115 techsupport unitrol electronics com...

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Unitrol PROCESS 8500, Руководство пользователя

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Содержание PROCESS 8500

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