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TABLE OF CONTENT

03

ODCU NOMENCLATURE, ODCU EXPLODED VIEW AND SCOPE OF SUPPLY       

4-6

DIMENSIONS OF THE UNIT AND INSTALLATION INSTRUCTIONS      

06

UNPACKING, LIFTING & HANDLING INSTRUCTIONS  

ODCU MOUNTING OPTIONS  

07

ODCU SERIAL/TECH SPEC. LABEL LOCATION   

08

ELECTRICALS AND WIRING DIAGRAMS             

9-10

CONNECTIONS OF SUCTION & LIQUID LINE AND REFRIGERANT PIPING.

11

PRESSURE CONTROLS (MINI PRESSURE SWITCHES)

11

SYSTEM FLUSHING, PURGING, AND PRESSURE TESTING FOR LEAKS

12- 13

SYSTEM EVACUATION AND SYSTEM CHARGING      

14

15

APPROVED HERMETIC COMPRESSOR OILS

SYSTEM START-UP PROCEDURE

15

16

OPERATIONAL CHECKOUT PROCEDURE

MAINTENANCE (ODCU) AND TROUBLE SHOOTING

16-17

A, COMPRESSOR NOT STARTING – NOT HUMMING.

18

B, COMPRESSOR NOT STARTING HUMS BUT TRIPS ON THERMAL
PROTECTOR

18

C. COMPRESSOR STARTS AND RUNS, BUT SHORT CYCLES ON 
THERMAL PROTECTOR

18

D. UNIT RUNS OK BUT RUN CYCLE IS SHORTER THAN NORMAL 
(DUE TO HP/LP CUT OUT SWITCHES)

19

16-17

REFRIGERATION ACCESSORIES AND OPERATIONAL CHECKOUT 
PROCEDURE 

19-20

INSTRUCTIONS FOR THE SIGHT GLASS SOLDER TYPE AND 
STACKING OF THE UNIT

21- 23

Содержание CD454532EGH-S

Страница 1: ...Outdoor Condensing Units www Tecumseh com INSTALLATION INSTRUCTION MANUAL...

Страница 2: ...E TESTING FOR LEAKS 12 13 SYSTEM EVACUATION AND SYSTEM CHARGING 14 15 APPROVED HERMETIC COMPRESSOR OILS SYSTEM START UP PROCEDURE 15 16 OPERATIONAL CHECKOUT PROCEDURE MAINTENANCE ODCU AND TROUBLE SHOO...

Страница 3: ...H S XX XX E 38 5 4 3 ODCU NOMENCLATURE ODCU EXPLODED VIEW ODCU PARTS LIST CONDENSER COIL RIGHT PANEL ELECL COVER LIFT HANDLE FRONT PANEL FAN GRILL FAN MOTER WITH BLADER RECEIVER COMPRESSOR FILTER DRIE...

Страница 4: ...2 53 1 670 607 300 520 1 2 53 1 1 670 607 300 520 5 8 53 670 607 300 520 5 8 53 A B C D DIMENSIONS ARE IN MM DIMENSIONS MINIMUM WALL CLEARANCES SUGGESTED FOR INSTALLATION UNIT MODEL CDUS4524EGE S CDU4...

Страница 5: ...538EGF S CDU4542EXG FB CDU4542EXG S LIQUID LINE FLARE NUT TYPE UPTO VERTICAL MOUNTING PITCH E DIAGRAM 2 2 975 810 400 675 395 5 8 3 8 68 2 975 810 400 675 395 5 8 3 8 75 2 975 810 400 675 395 5 8 3 8...

Страница 6: ...the units in such a way that the airflow direction through the unit faces to prevailing wind direction for the area The units should be mounted securely on adequate rigid and leveled bases to avoid i...

Страница 7: ...MOUNTING Make a concrete platform to the mounting dimension of M8 anchor bolt 4 Nos with M8 Plain washers Base surface should be leveled properly for mounting pitch dimensions refer drawing No 1 2 on...

Страница 8: ...18 8 0 65 2 6 900x360x805 1059x500x875 68 CDU Model Compressor Model Power Supply Cooling Capacity btu hr Nominal Current a Power Input w Max Refrigerant Chargable HP Pr Switch Cut In cut Out Bar LP...

Страница 9: ...ontrol all these units as per the application requirement That is solenoid valve for the liquid line Applicable for fully built models only Room thermostat is the scope of customer and installed by th...

Страница 10: ...DCU STANDARD 1 PHASE MODEL Legend COMP Compressor RU Potential relay F MOT Fan Motor CCH Crankcase Heater HP SW High Pressure Switch LP SW Low Pressure Switch LLSV Liquid Line Solenoid Valve E L N 1 2...

Страница 11: ...nside the tubes it is recommended to flow dry nitrogen through the tubing during the brazing operations Alight flow of about CFM is sufficient Assurance of adequate velocity thus ensuring oil return c...

Страница 12: ...100 free of leaks Use of electronic leak detection equipment is highly recommended due to its potential accuracy when used correctly in accordance with the manufacturer s instructions If trace amount...

Страница 13: ...g the system always use a pressure regulating valve on the nitrogen cylinder discharge The pressure regulator must be able to reduce the pressure down to 1 to 2 psig and maintain this pressure The reg...

Страница 14: ...ure related problems SYSTEM CHARGING Failure to properly charge the system can result in serious injury or death from explosion or fire Follow these precautions when charging a system Do not operate t...

Страница 15: ...an motor mounting screws fan blade tightening screw shroud electrical boxes etc Check that the safety and pressure controls are connected and set correctly Check that the suction and liquid Service va...

Страница 16: ...ed refrigerant charge and correct any probable malfunction observed Always re assemble the enclosure panels when operational check out procedure is completed Never leave loose or not properly tightene...

Страница 17: ...r if shipping damage is discovered If damages to the packing are obvious but no visible damage on the unit or the parts are noted then a report should be compiled and a claim for probable hidden damag...

Страница 18: ...d or fuse open or removed Compressor motor winding open or short Wiring improper or loose Compressor motor has a ground fault also known as short circuit to ground B COMPRESSOR NOT STARTING HUMS BUT T...

Страница 19: ...ut out due to Liquid line solenoid leaking Undercharge of refrigerant Restriction in expansion device REFRIGERATION ACCESSORIES INSTRUCTIONS FOR THE FILTER DRIER SOLDER TYPE Low voltage to compressor...

Страница 20: ...20 IINSTRUCTIONS FOR THE SIGHT GLASS SOLDER TYPE...

Страница 21: ...21 INSTRUCTIONS FOR THE SOLENOID VALVE SOLDERING TYPE...

Страница 22: ...22...

Страница 23: ...hile transportation If require additional wooden board to be nailed CONTACT INFORMATION Please write us back with your valuable Feedback to our sales representative The information in this booklet are...

Страница 24: ...Mumbai 400705 Ph No 022 65176929 Old No 37 New No 6 Arcot Road VADAPALANI Chennai 600 026 Supra CFA 23652244 23652300 4 2 1A Rustomjee Street Kolkata 700019 Ph No 033 24606026 Fax No 033 24606027 Gala...

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