background image

 

 

28 

П

РИ

 

НОРМАЛЬНОЙ

 

РАБОТЕ

 

НАСОСА

 

ОПРЕДЕЛИТЬ

 

ПЕРЕПАД

 

ДАВЛЕНИЙ

 

ПОСЛЕ

 

2-

Х

, 8-

МИ

 

И

 

БОЛЕЕ

 

ЧАСОВ

 

РАБОТЫ

П

ОСЛЕ

 

1-

НЕДЕЛЬ

  

БЕЗАВАРИЙНОЙ

 

РАБОТЫ

 

НЕОБХОДИМО

 

ПРОВЕРИТЬ

 

ВХОДНОЙ

 

ФИЛЬТР

 

И

 

В

 

ЗАВИСИМОСТИ

 

ОТ

 

СТЕПЕНИ

  

ЗАГРЯЗНЕ

-

НИЯ

 

УСТАНОВИТЬ

 

ПЕРИОДИЧНОСТЬ

 

ЕГО

 

ОЧИСТКИ

. 

 

W

HEN THE PUMP OPERATES NORMALLY

CHECK AFTER 

HOURS

AFTER 

HOURS AND LATER THE PRESSURE DIFFERENCE AND NOTE 

THE MEASURED VALUES

.

 

A

FTER A PERIOD OF TROUBLE FREE 

OPERATION 

(1 

TO 

WEEKS

YOU SHOULD INSPECT THE CONICAL 

FILTER FOR DIRT AND CONTAMINATION

. D

EPENDING THE DEGREE OF 

CONTAMINATION THE CONICAL FILTER SHOULD BE REGULARLY 

INSPECTED AND CLEANED AT PLANNED INTERVALS

 

В

АЖНО

  

СВОЕВРЕМЕННО

 

ОЧИЩАТЬ

 

ХОЛОДИЛЬНУЮ

 

УСТАНОВКУ

 

ОТ

 

МАСЛА

Д

ЛЯ

 

УДАЛЕНИЯ

 

ПОПАВШЕГО

 

В

 

НАСОС

 

МАСЛА

 

СЛУЖИТ

  

ВЕНТИЛЬ

  

EA

 

10 GÜ/GB,  

МОНТИРУЕМЫЙ

  

ВМЕСТО

 

НИЖНЕЙ

 

ПРОБКИ

 

(58).  

С

ОВМЕСТНО

 

С

 

БЫСТРОДЕЙСТВУЮЩИМ

 

ВЕНТИЛЕМ

 

ОН

  

ИСПОЛЬЗУЕТСЯ

  

ОБСЛУЖИВАЮЩИМ

 

ПЕРСОНАЛОМ

 

ДЛЯ

 

ОСТОРОЖНОГО

 

ОСВОБОЖДЕНИЯ

 

НАСОСА

 

ОТ

 

МАСЛА

.  (

РАЗД

8.6). 

 

I

F THE PUMP IS FITTED IN AN EXISTING REFRIGERATION SYSTEM 

SPECIAL ATTENTION HAS TO BE TAKEN TO DRAIN OIL OUT OF THE THE 

ENTIRE SYSTEM WITHIN THE FIRST WEEKS

I

F OIL HAS COLLECTED IN THE PUMP

YOU CAN INSTALL AN OIL DRAIN 

VALVE 

EA 10 GÜ/GB 

INSTEAD OF PLUG 

(58). W

ITH THIS VALVE IN 

COMBINATION WITH A QUICK ACTING VALVE THE PUMP MAY 

CAREFULLY DRAINED FROM OIL BY TRAINED PERSONNEL 

(

SEE 

CHAPTER 

8.6) 

7.6 

РАБОЧЕЕ

 

СОСТОЯНИЕ

 

НАСОСА

 

 

7.6 

DURING NORMAL OPERATION 

 

П

РИ

 

ПРАВИЛЬНОМ

 

МОНТАЖЕ

 

ГАРАНТИРУЕТСЯ

 

ДОЛГОВРЕМЕННАЯ

 

РАБОТА

 

НАСОСА

 

 

 

 

W

HEN THE PUMP HAS BEEN INSTALLED PROPERLY 

LITTLE MAINTENANCE IS REQUIRED

Т

ЕМ

 

НЕ

 

МЕНЕЕ

  

НАСТОЯТЕЛЬНО

 

РЕКОМЕНДУЕТСЯ

 

РЕГУЛЯРНО

 

КОНТРОЛИРОВАТЬ

 

      

УРОВЕНЬ

 

МАСЛА

 

В

 

МАСЛЯНОМ

 

ГОРШКЕ

 

ЗАГРЯЗНЕНИЕ

 

ВХОДНОГО

 

ФИЛЬТРА

 

ЗАМАСЛЕННОСТЬ

 

НАСОСА

 

УРОВЕНЬ

 

ВИБРАЦИИ

 

ТЕКУЩУЮ

 

РАЗНОСТЬ

 

ДАВЛЕНИЙ

 

РАБОЧИЙ

 

ШУМ

 

 

ЕЖЕГОДНО

 

ИЛИ

 

ЧАЩЕ

 

ФУНКЦИОНИРОВАНИЕ

 

ЗАЩИТ

 

В

 

ПЛАНЕ

 

ТРЕБОВАНИЙ

 

СООТВЕТСТВУЮЩИХ

 

ПРАВИЛ

 

 

       

ВРЕМЯ

 

И

 

РЕЗУЛЬТАТЫ

 

ПРОВЕРОК

 

ФИКСИРОВАТЬ

 

С

 

УКАЗАНИЕМ

 

ЗАВОДСКОГО

 

НОМЕРА

 

НАСОСА

 

 

I

T IS STRONGLY RECOMMENDED THAT THE FOLLOWING ITEMS ARE 

CHECKED FREQUENTLY

 

C

HECK THE OIL LEVEL IN THE OIL CHAMBER 

(

SEE CHAPTER 

8.2) 

CHECK THE CONICAL SUCTION FILTER FOR CONTAMINATION

 

CHECK THE PUMPRE

-

CIRCULATION PIPEWORK FOR OIL 

CONTAMINATION

 

CHECK THE VIBRATION

 

CHECK THE PRESSURE DIFFERENTIAL OF THE PUMP

 

LISTEN TO THE RUNNING SOUND OF THE PUMP

. C

RACKLING NOISE 

INDICATES OIL CONTAMINATION 

 

ONCE A YEAR

OR AS DICTATED BY THE CLASSIFICATION RULES

THE PUMP OPERATION

SETTINGS AND ALL SAFETY PROVISIONS 

SHOULD BE CHECKED

-  T

HE DATE

TIME AND RESULTS OF EACH INSPECTION SHOULD BE 

RECORDED TOGETHER WITH THE SERIAL NUMBER

. 

7.7 

НАСОС

 

В

 

РЕЗЕРВЕ

 (STAND-BY) 

 

7.7 

PUMP STANDSTILL (STAND-BY) 

 

 

Н

А

 

РЕЗЕРВНОМ

 

НАСОСЕ

 

СЛЕДУЕТ

 

ДЕРЖАТЬ

 

ЗАКРЫТЫМ

  

ТОЛЬКО

 

ОДИН

 

ЗАПОРНЫЙ

 

ВЕНТИЛЬ

ПРЕДПОЧТИТЕЛЬНО

 

НА

 

НАПОРНОЙ

 

СТОРОНЕ

З

АКРЫТОЕ

  

СОСТОЯНИЕ

 

ОБОИХ

 

ЗАПОРНЫХ

 

ВЕНТИЛЕЙ

 

ПРИВЕДЁТ

 

РОСТУ

 

ДАВЛЕНИЯ

 

ЗАПЕРТОЙ

 

В

 

НАСОСЕ

 

ЖИДКОСТИ

ВЫЗВАННОГО

 

ЕЁ

 

НАГРЕВОМ

П

РИ

  

ДОСТИЖЕНИИ

 

НЕДОПУСТИМЫХ

 

ЗНАЧЕНИЙ

 

ЭТОГО

 

ДАВЛЕНИЯ

 

НАСТУПАЕТ

 

РАЗРУШЕНИЕ

 

НАСОСА

 

 

 

D

URING PERIODS OF PUMP STANDSTILL

ONLY ONE VALVE 

MAY BE CLOSED

PREFERABLY THE DISCHARGE VALVE

W

HEN THE SUCTION AND DISCHARGE VALVES ARE CLOSED 

AT THE SAME TIME

TRAPPING COLD LIQUID IN THE PUMP

THE PRESSURE WILL INCREASE RAPIDLY

AS THE LIQUID 

WARMS UP

TO AN UNACCEPTABLE HIGH VALUE

.  T

HIS 

INCREASE IN PRESSURE CAN VERY QUICKLY DAMAGE THE 

PUMP

Н

ЕОБХОДИМО

 

ЕЖЕДНЕВНО

 

ПРОВОРАЧИВАЛЬ

 

ВАЛ

 

НАСОСА

  

ВО

 

ИЗБЕЖАНИЕ

 

ПРИКЛЕИВАНИЯ

 

САЛЬНИКА

  

К

 

ВАЛУ

 

 

 

T

HE PUMP SHAFT SHOULD BE ROTATED ONCE A DAY TO 

AVOID THE SHAFT SEAL STICKING TO THE SHAFT

 

 

 

П

ОСЛЕ

 

ДЛИТЕЛЬНОЙ

 

СТОЯНКИ

 

ПЕРЕД

  

ПУСКОМ

 

СЛЕДУЕТ

 

УДАЛИТЬ

 

ИЗ

 

НАСОСА

 

СКОПИВШЕЕСЯ

  

МАСЛО

ИНАЧЕ

 

ВОЗМОЖНЫЕ

 

НАРУШЕНИЯ

  

МОГУТ

 

ПРИВЕСТИ

  

К

 

ПОЛОМКЕ

  

НАСОСА

 

 

 

I

F THERE IS OIL CONTAMINATION DURING STANDSTILL OF 

THE PUMP

THE OIL MUST BE DRAINED BEFORE 

RESTARTING THE PUMP

OTHERWISE A MALFUNCTION 

MAY OCCUR WHICH CAN LEAD TO PUMP FAILURE

WHICH 

MAY LEAD TO THE FAILURE OF THE PUMP

 

Содержание GP 42

Страница 1: ...ICATIONS 19 5 1 GENERAL 19 5 2 DETERMINATION OF THE REQUIRED FLOW 20 5 3 ADAPTATION TO PLANT REQUIREMENTS 20 6 INSTALLATION INSTRUCTIONS 22 6 1 PUMP ARRANGEMENT 22 6 2 PUMP CONNECTION 22 6 3 DOWNLEG D...

Страница 2: ...PERATURE 50 WITH OPERATING TEMPERATURES BELOW 50 C THE PUMPS SHOULD BE CHARGED WITH A LOW TEMPERATURE OIL 4 PUMP PERFORMANCE DETAILS ARE SPECIFIED IN CHAPTER 4 TECHNICAL DATA 5 THE STANDARD PUMP DESIG...

Страница 3: ...TO CALL OUR SERVICE DEPARTMENT WHO WILL BE GLAD TO ASSIST YOU MAKE SURE THE GROUND AREA AROUND THE PUMP IS CLEAR E G NO INCOMING ELECTRIC POWER CABLES IF YOU CANNOT AVOID SUCH OBSTRUCTION THEY SHOULD...

Страница 4: ...STRUCTIONS IN THE OPERATING MANUAL ARE IGNORED THE REFRIGERANT PUMP INCLUDING ACCESSORIES IS OPERATED INCORRECTLY OR IS INSTALLED CONTRARY TO THESE INSTALLATION INSTRUCTIONS THE REFRIGERANT PUMP IS US...

Страница 5: ...OR FLANGE 2 MODEL 2 PUMP WITH COMPLETE COUPLING COUNTERFLANGES INCL SCREWS AND GASKETS MOTOR CONNECTION 3 2 MODEL 3 AS ABOVE TO MODEL 2 SPEC WITH 1 STOP VALVE EA SUCTION SIDE 1 STOP VALVE EA WITH VENT...

Страница 6: ...E FLANGES WITH SCREWS AND GASKETS 3 3 2 3 4 5 10 BAR C 3 3 ORDER INFORMATION REFRIGERANT VOLTAGE AND FREQUENCY SELECTED MODEL FOR MODELS 2 AND 3 THE REQUIRED COUPLING SIZE OR MOTOR SIZE OF THE MOTOR T...

Страница 7: ...187 101 223 3C MODEL 3C KG LBS 59 130 63 139 91 201 91 201 107 236 4 2 4 2 MOTOR SELECTION THE MOTOR SIZE IS MAINLY DEPENDING ON THE SPECIFIC WEIGHT RESPECTIVE DENSITY OF THE REFRIGERANT SEE TABLES BE...

Страница 8: ...APTER RING TO FIT THE MOTOR TO THE PUMP GP 51 FREQUENCY SPEED REFRIGERANT MOTOR SIZE POWER VOLTAGE N PARTNO WEIGH T REMARKS HZ MIN 1 RPM KG DM 3 KW HP VOLT KG 380 420 660 725 Y 2222 000009 50 1500 0 7...

Страница 9: ...EQUENCY SPEED REFRIGERANT MOTOR SIZE POWER VOLTAGE N PARTNO WEIGHT REMARKS HZ MIN 1 RPM KG DM 3 KW HP VOLT KG 380 420 660 725 Y 2222 000011 50 1500 0 7 NH3 132S 5 5 7 4 220 240 380 420 Y 2222 000008 6...

Страница 10: ...1 C 35 SHAFT SEAL PTFE IMPELLERS EN GJS 400 15 GGG 40 MAIN BOLTS 8 8 COUNTER FLANGES P355NH BOLTS FOR COUNTER FLANGES 8 8 GASKETS CENTELLEN NP RESERVOIR OIL MR 520 PAINTING SYSTEM W 9 1 W 9 2 W 9 1 W...

Страница 11: ...11 4 5 2A 4 5 DIMENSIONS GP41 GP42 GP 41 GP 42 ALL DIMENSIONS IN MM AND INCH...

Страница 12: ...12 4 5 2B 4 5 DIMENSIONS ALL DIMENSIONS IN MM AND INCH GP 51 GP 51A GP 52...

Страница 13: ...13 4 6 3A 4 6 SECTIONAL VIEWS GP 52 GP 52 IS SHOWN OTHER PUMPS ARE SIMILAR...

Страница 14: ...14 SECTIONAL VIEW OF DETAILS 3B DETAIL OF THE BEARING 3C DETAIL COUPLING AND MOTOR CONNECTION...

Страница 15: ...15 SECTIONAL VIEW OF DETAILS 3D DETAIL OF THE SHAFT SEAL 3E 3 D SKETCH OF THE SHAFT SEAL...

Страница 16: ...5 5641 000010 1 PACKING FOR STOP VALVE 39 8 14 X 8 5642 000015 8 14 X 8 5642 000015 1 BALL BEARING WITH STEEL CAGE 41 5341 000003 250 5341 000002 390 BEARING BUSH 42 45 2161 001219 55 2161 001256 225...

Страница 17: ...AIR KIT E FOR TWO STAGE PUMPS FOR EXTENDED SUPPLY WITH PARTS E 2161 002205 2558 2161 002405 4702 2 X NR 10 15 16 41 45 1 X NR 19 1 19 2 30 47 49 2 X PARTS NO 10 15 16 41 45 1 X PARTS NO 19 1 19 2 30 4...

Страница 18: ...ETURN VALVE ERA IS PROVIDED WITH A PURGE CONNECTION PIPE DN 10 AND A HAND REGULATING VALVE EE6 SUPPLIED LOOSE THE EE6 SHOULD BE FITTED SO THAT ANY GAS MAY BE PURGED TO THE SURGE DRUM THE VALVE SHOULD...

Страница 19: ...URING COMPRESSOR START UP PULL DOWN PERIOD AND DURING THE RAPID LOADING OR UNLOADING OF COMPRESSOR STEPS OF CAPACITY LARGE AMOUNTS OF GAS BUBBLES IN THE PUMP SUCTION LINE WILL CAUSE THE MASS FLOW OF L...

Страница 20: ...RATE PUMP RATIO THE RE CIRCULATION RATE DEPENDS ON THE TYPE OF EVAPORATOR EQUIPMENT AND OPERATION CONDITIONS THE LARGER THE DUTY LOADING RATE THE GREATER THE RECOMMENDED RE CIRCULATION FACTOR TYPICAL...

Страница 21: ...JUSTED AS FOLLOWS 5 5 PUMP CAPACITY TOO LARGE SWITCH OFF A PUMP MULTI PUMP APPLICATION OPEN A LIQUID BYPASS VALVE FIG 5B SPEED CONTROL OF THE PUMP FIG 5C PUMP CAPACITY TOO SMALL SWITCH ON AN EXTRA PUM...

Страница 22: ...BE ALIGNED VERTICALLY ON CHANNEL FRAME SUPPORTS PLEASE CONSIDER THAT A CONDENSATE TRIP TRAY CAN BE PLACED AND CLEANED UNDERNEATH THE PUMPS THE OIL SIGHT GLASS CAN BE OBSERVED EASILY THE CONICAL SUCTIO...

Страница 23: ...THE VERTICAL SUCTION LINE IS INSTALLED DIRECTLY TO THE PUMP AVOIDING ADDITIONAL ELBOWS OR HORIZONTAL RUN ANY GAS ACCUMULATION IN THE SUCTION LINE AND PARTICULARLY IN VALVES ATTACHED TO THE PUMP MUST...

Страница 24: ...O THE SYSTEM OPERATION A LIQUID VELOCITY OF 1 5 M S IS NORMALLY RECOMMENDED ERA A NON RETURN VALVE THIS IS USUALLY A COMBINED STOP CHECK VALVE TYPE ERA IN THE DISCHARGE LINE IS REQUIRED WHEN SEVERAL P...

Страница 25: ...52 23 75 37 121 50 164 GP 51 13 43 19 62 31 102 47 154 GP 52 26 85 40 131 65 213 0 2 WITT W 4652 0 01 A FLOW SWITCH CAN BE ALTERNATIVELY INSTALLED INSTEAD OF A DIFFERENTIAL PRESSURE SWITCH THE FLOW SW...

Страница 26: ...USED IN SYSTEMS WHERE CONTAMINATION WITH MINERAL OIL IS NOT ALLOWED I E IN CASES WITH ESTER OIL IN THE SYSTEM THE RESIDUAL OIL MUST BE REMOVED AND THE PUMP CLEANED BY USE OF SOLVENTS 7 2 7 2 MOUNTING...

Страница 27: ...OW PRESSURE RECEIVER FOR A MINIMUM RUNNING TIME OF APPROXATELY 2 3 MINUTES THE ELECTRICAL CONTROL SYSTEM INCLUDING ALL SAFETY CONTROLS MUST BE PRE TESTED PRIOR TO STARTING THE PUMP CHECK THE WIRING FO...

Страница 28: ...CHAMBER SEE CHAPTER 8 2 CHECK THE CONICAL SUCTION FILTER FOR CONTAMINATION CHECK THE PUMPRE CIRCULATION PIPEWORK FOR OIL CONTAMINATION CHECK THE VIBRATION CHECK THE PRESSURE DIFFERENTIAL OF THE PUMP...

Страница 29: ...RE SWITCHED OFF AND ARE BEING WORKED ON NOTE THE SEQUENCE OF ELECTRICAL CONNECTIONS AND DISCONNECT THE WIRING A TRAINED ENGINEER OR SUITABLE QUALIFIED ELECTRICIAN IN ACCORDANCE WITH ELECTRICAL ENGINEE...

Страница 30: ...LARLY WHEN THE OIL LEVEL DROPS AFTER A SHORT PERIOD OF TIME LESS THEN 14 DAYS THE INNER SHAFT SEAL MUST BE REPLACED 85 19 2 19 1 19 1 19 2 85 IF THE SHAFT SEAL HAS BEEN REPLACED AND YOU OBSERVE AGAIN...

Страница 31: ...T SEALS 57 CAREFULLY OPEN THE OIL FILLER PLUG 57 TURN AND WAIT UNTIL THE OIL CHAMBER IS DEPRESSURIZED THIS MAY TAKE A WHILE USE A WET CLOTH TO PROTECT THE PLUG 57 THE OIL FILLER PLUG 57 IS SLOTTED TO...

Страница 32: ...F THE SHAFT SEAL SEE ALSO CHAPTER 4 6 FIG 3D AND 3E 16 15 13 12 13 OUTER SEALING MOTOR SIDE ASSEMBLE SPRING 16 PRESSURE RING 15 AND LIGHTLY OIL THE GROOVE IN THE PRESSURE RING PROTECT THE O RING AGAIN...

Страница 33: ...THE GASKET 34 AND SLIDE ON THE HOUSING ALWAYS CAREFULLY TIGHTEN THE SCREWS CROSSWISE GP 50 GP 40 2 78 5 78 FIT FOR GP 50 PUMPS 1 FELT RING RESPECTIVE FOR GP 40 PUMPS 2 FELT RINGS 78 5 AND ASSEMBLE PA...

Страница 34: ...T THE MARKS ALIGN TIGHTEN THE SCREWS CROSSWISE 8 5 8 5 CHANGING THE BEARINGS 21 LOOSEN SCREWS 21 IN THE TIGHTENING RING WHILE HOLDING AGAINST WITH THE COUPLING YOU CAN ONLY REMOVE THE SNAP SEEGER RING...

Страница 35: ...A PLASTIC HAMMER TROUGH THE HOUSING REPLACE THE BEARING REPLACE THE INNER BEARING IN VICE GP 50 GP 40 THE BEARING IN GP 50 PUMPS IS SUPPRTED WITH ONLY 1 SNAP RING GP 40 PUMPS REQUIRE 2 SNAP RINGS TO...

Страница 36: ...VALVE WHICH CAN BE INSTALLED IN PLACE OF THE LOWER 1 4 SREW PLUG IN THE DISCHARGE CHAMBER IN ADDITION A QUICK CLOSING ACTION VALVE MUST BE INSTALLED BEHIND THE DRAIN VALVE OIL FROM THE SUCTION CHAMBER...

Страница 37: ...WAYS RETURN THE CONICAL SUCTION FILTER IN CONDITION FOUND WHEN THE PUMP WAS OPENED WITH THE PUMP 8 8 8 8 WARNINGS WITT WITT PUMPS ARE FOR REFRIGERATION SYSTEMS ONLY READ THESE INSTRUCTIONS COMPLETELY...

Страница 38: ...DO NOT ALIGN SEE 8 4 FIG 14 15 4 2 4 SWITCHED OFF ON PRESSURE DIFFERENCE CONTROL SEE NUMBER 2 SET VALUE OF PRESSURE CONTROL NOT RIGHT HAND CONTROL VALVES IN SYSTEM OPENED TOO MUCH TOO QUICK START UP...

Страница 39: ...75 4...

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