Schreiber-chillers Old 4 ton MRI Manual de usuario

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***** SPECIAL FEATURE*****
This unit has been modified for
outdoor use
Any reference in this manual
stating “cannot be used for outdoor
installation” does not apply to this unit
The following feature has been added for this
purpose:
Head Pressure Controls
Kit Number: K08.62
Electronic Remote Controls
Kit Number Number: K05.5
With 150 feet of Remote Wire
Kit Number: K09.1F
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Indice de contenidos

Pagina 1

***** SPECIAL FEATURE***** This unit has been modified for outdoor use Any reference in this manual stating “cannot be used for outdoor installa

Pagina 2 - Fax: (562) 926-0969

SETTING SOLID STATE CONTROL This unit has a solid-state control that controls the temperature on the refrigeration system. After the unit is wired t

Pagina 5

CHILLED WATER DISTRIBUTION PIPING The chilled water distribution piping is an important factor in the performance of the water chiller. Proper pipi

Pagina 6

INSTALLATION INSTRUCTIONS Air or Water Cooled Chillers 1. When the chiller is received, check for any shipping damage. If any is found, a freight

Pagina 7

7. Check the voltage on the chiller to see that it matches your supply. When applying power to the water pump (by turning the manual switch on), mak

Pagina 8 - +-+-

SPECIAL INSTRUCTIONS WATER PUMP The water pump is controlled by the manual switch for off and on operations. The motor on this pump has a built-in

Pagina 9 - SPECIAL CONTROL FEATURES

CHILLED WATER CIRCUIT The chilled water is pumped from the chiller's water tank to the discharge outlet of the chiller. Then from the discharg

Pagina 10

REFRIGERATION SYSTEM: The refrigeration system is a medium temperature system with a range from 35°F to 70°F. This is the most efficient range. If t

Pagina 11

FAN MOTOR SPECIFICATIONS Refer to your model number & voltage Model # H.P. Voltage Hz R.P.M. Overload Frame Mounting Rotati

Pagina 12

IINNSSTTAALLLLAATTIIOONN,, OOPPEERRAATTIIOONN && MMAAIINNTTEENNAANNCCEE OOWWNNEERRSS MMAANNUUAALL Model: 400AC Serial No.: Vol

Pagina 13

14 2. Installation Installation, Operation and Maintenance Instructions. Model NPE/NPE-F DESCRIPT

Pagina 14

2.3.2. Place unit in position on wedges located at four points (two below approximate cent

Pagina 15

6.1.1. Single-phase motor: Non-reversible. 6.1.2. Three-phase motor: Interchange an

Pagina 17

WARNING Overcharging a refrigeration or air conditioning system can be dangerous. **** If a system refrigerant overcharge is sufficient to immerse

Pagina 18

SERVICE BULLETIN HERMETIC COMPRESSOR ELECTRICAL TERMINAL VENTING CAN BE DANGEROUS **** When the insulating material, which supports a hermetic com

Pagina 19

Hermetic compressors can be properly serviced without unnecessarily removing the terminal PROTECTIVE COVER by adhering to the following service pro

Pagina 20 - Model NPE/NPE-F

8. Repeat #5 testing, carefully checking for ground, directly between each compressor terminal (C, S, & R) and ground. 9. If once again a gro

Pagina 21

Again, we want to stress that it is essential that WHENEVER ELECTRIC POWER is applied to the motor-compressor, the terminal PROTECTIVE COVER must be

Pagina 22

MAINTENANCE INFORMATION 1. There are no lubrication points on the chiller. All motors have permanent lubrication in the bearings. 2. The wate

Pagina 23

TABLE OF CONTENTS Model ……………………………………………………………………………………………… 1 Caution ………………………………………………………………………………………….… 2 Starting Check List ……………………

Pagina 24

TROUBLE SHOOTING - PART I SYMPTOM DIAGNOSIS REMEDY Compressor won't run Check Power supply Electrical circuit Check L

Pagina 25

TROUBLE SHOOTING - PART II REFRIGERATION SYSTEM INTERNAL PRESSURE USING REFRIGERANT R-22 * High Pressure Switch: Manual Reset - Cut out at 42

Pagina 26

CHILLER PARTS IDENTIFICATION 27

Pagina 27

PARTS LIST 400AC/WC – 480/3 MRI UNITS ONLY If this unit has special feature(s) installed, see appendix for part number(s). Part Number Description 4

Pagina 28

29 Schreiber Limited Warranty Schreiber warrants the product described herein against defective mate

Pagina 30 - TROUBLE SHOOTING - PART I

SPECIAL FEATURES Manual Bypass This unit has an adjustable water by-pass. It can be adjusted in the field. This feature cuts down the amount of flo

Pagina 38

WATER CHILLER STARTING CHECKLIST PROPER VOLTAGE Check the voltage on the chiller to see that it matches

Pagina 39

CONT. WATER CHILLER STARTING CHECKLIST ELECTRIC – POWER A good test to make sure power is off to the unit is to turn on the water pump s

Pagina 40

Models:Voltage:Options:230-460Schreiber Engineering Corp.12111 Park St. Cerritos, CA 90701(562)-926-3855(562)-926-0969 FaxPhase: 3Type:Air

Pagina 41

SPECIAL CONTROL FEATURES 1) Control LED’s for stage 1 & 2 will indicate "GREEN" when the DIS-CHARGE temperature is above their se

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