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15. W

iring Diagrams

1.1

MATERIAL - N/A

THIRD

ANGLE

PROJECTION

UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES.

DRAWN BY -CRAIG BOOREY

APPROVED BY - CRAIG BOOREY

TOLERANCES ARE:

DECIMALS .XX

.03, .XXX

.010

ANGLES

DATE DRAWN - 7-25-16

ECN-CAP-0003047

REVIEWED BY -CRAIG BOOREY

REF -

3011858

DIAGRAM-IM-03-E5-

REV

ECN

DATE

REVISION DESCRIPTION

REV BY CHKD BY APPR BY

A ECN-CAP-0003047 2016/07/25

RELEASED TO PRODUCTION

B ECN-CAP-0003963 2016/10/03

CHANGED COMPRESSOR

REVISION HISTORY

NOTES:

CASE MUST BE GROUNDED

WHEN PASSING WIRES THROUGH METAL HOLES A GROMMET MUST BE USED

SHEET 1 OF 1

CIRCUIT #1

L1
L2

11.9
11.3

13.7
13.1

208V 240V

BUNDLE
ORANGE

LIGHT SWITCH
125-01-0307

SHELF CANOPY

LIGHT CIRCUIT
0.39A 42W @ 120V

EVAPORATOR FAN
12W 0.30A @ 120VAC
0548144

BUNDLE

BROWN

CONDENSING UNIT
COPELAND®
M4FF-0075-CAV-212

R404A
1H28155500

CONDENSING UNIT
RLA= 6.8A
LRA= 33.7.A
MCC= 9.7A

SWITCH
SQUARE "D" 55447
125-01-0271

RELAY TYCO
T92P7A22-277
1804241

EVAPORATOR PAN
1500W 6.25A @ ~ 240 VAC
1H95137550

SAFE NET III CONTROLER
PART# 1H59048001

SAFE NET III SENSORS
PART# 0510533 (4m long) black pb1

AIR

PART# 0510532 (4m long) Yellow pb2

COIL

Black 10G.

Red 10 G.
White 14 G.

Green 10 G.

PROGRAM: 1H59684

TERMINAL BLOCK
125-01-0295

SAFETY

SWITCH

FLOAT SWITCH

CONDENSER FAN

15 AMP FUSE
125-01-8604
FUSE HOLDER
125-01-8605

PRESSURE
SAFETY
225-01-0706B

Содержание ISLA IM-04-I3-S

Страница 1: ...ISLA SELF CONTAINED INSTALLATION OPERATION GUIDE CHINO ISLA SELF CONTAINED REV 0317 Installation Operation Manual ...

Страница 2: ...rical requirements for the remote model will be 120 volt 60hertz Hz Model Electrical Description Model Description Electrical Service IM 04 T 3 4 5 Back to Back 230V IM 04 I C 3 4 E5 6 8 Inline 230V IM 05 I C 3 4 E5 6 8 Inline 230V Shipping Damage All equipment should be thoroughly examined for shipping damage before and during unloading This equipment has been carefully inspected at our factory a...

Страница 3: ...n order to provide the customer with the correct parts Location These refrigerators like other open refrigerators are sensitive to air disturbances Air currents passing around them will seriously impair their operation Do not allow air conditioning electric fans open doors or windows etc to create air currents around these cases DO NOT INSTALL THE VENTED PANELS OF THE SELF CONTAINED MODELS AGAINST...

Страница 4: ...ts List 9 9 Service Tips 10 10 Electrical 11 11 Safe Net III Operation 12 12 General Maintenance 22 13 Preventive Maintenance 23 14 Electrical Wiring Diagrams Index 24 15 Wiring Diagrams 25 16 Troubleshooting Guide 43 17 Troubleshooting General Issues 45 18 Troubleshooting Condensing System 46 19 Troubleshooting Evaporator System 47 20 Cleaning Schedule 48 21 Appendices 49 ...

Страница 5: ...ig IM 04 Tx S Back to Back Multi Deck Self Service Self Contained 10 254 14 356 16 406 22 559 621 2 1588 54 1377 393 8 1000 181 2 478 633 4 1619 10 254 12 305 14 356 16 406 215 8 549 353 8 899 281 2 724 241 8 613 72 1829 IM 05 Ix S End or Combo Center Case MIN required air space for condenser air discharge 4 102 ...

Страница 6: ...power is interrupted 7 If power is interrupted the process will start over at step 1 The time to subsequent scheduled defrost will reset 8 NOTE Do NOT load product until AFTER merchandiser reaches desired operating temperature approximately 4 hours OPERATION Check shelf loading Overstocking case will affect its proper operation Do not block discharge and return air 1 Do not display packages over t...

Страница 7: ...ill mar the ﬁnish DO NOT USE A CLEANING OR SANITIZING SOLUTION THAT HAS AN OIL BASE these will dissolve the butyl sealants or an AMMONIA BASE this will corrode the copper components of the case Service Replace Filter every 6 months or as needed to maintain efﬁcient operation To maintain good refrigeration performance a refrigeration service person should be called periodically at least twice a yea...

Страница 8: ...perature Failsafe Time Minutes IM 04 I3 S IM 04 I4 S IM 04 I5 S IM 04 I6 S IM 04 I8 S Medium Temp Dairy Deli 24 F to 32 F 25 minutes Every 5 hour Off Time 45 F 40 IM 05 I3 S IM 05 I4 S IM 05 I5 S IM 05 I6 S IM 05 I8 S Medium Temp Dairy Deli 24 F to 32 F 25 minutes Every 5 hour Off Time 45 F 40 IM 04 T3 S IM 04 T4 S IM 04 T5 S Medium Temp Dairy Deli 24 F to 32 F 25 minutes Every 5 hour Off Time 45 ...

Страница 9: ...X VALVE R 404A VALVE MODEL NUMBER EVAP PAN 2000W 240V 1H95138550 EVAP PAN 1500W 240V 1H95137550 EVAP PAN 1000W 240V 1H95141550 CASE COMPRESSOR PART IM 04 C3 S M4FF 0056 IAA 041 1H28153 IM 04 C4 S M4FF 0075 CAV 212 1H28155 IM 04 C5 S E5 FJAF 0100 CAV 020 1H35476 IM 04 C6 S FJAF A100 CAV 021 1H28147 IM 04 C8 S FFAP 0172 CFV 072 1H96225 IM 05 C3 S M4FF 0075 CAV 212 1H28155 IM 05 C4 S FJAF 0100 CAV 02...

Страница 10: ...To clean honeycomb Mix powdered detergent in warm water 5 to 7 Tablespoons per gallon Immerse or spot clean the honeycomb Use care not to damage the cell structure of the honeycomb Rinse thoroughly in clean water Shake excess water from the honeycomb and dry if heat is used do not exceed 140 F dry heat 3 Install honeycomb by inserting the notched side up against the deﬂector and press upwards inse...

Страница 11: ...for digital scale and the thermometer are located at the rear of the case mullion The receptacle that is provided on the exterior back of these models is intended for computerized scales with a ﬁve amp maximum load not for large motors or other high wattage appliances It should be wired to a dedicated circuit Field Wiring and Serial Plate Amperage Field Wiring must be sized for component amperes p...

Страница 12: ...1 2 404a 60 1 115 10 5 15 5 30P 115 8 3 1000 4 3 4 404a 60 1 208 6 8 15 14 20P 240 6 3 1500 5 1 404a 60 1 208 9 3 15 14 20P 240 6 3 1500 6 1 404a 60 1 208 10 0 15 14 30P 240 6 3 1500 8 1 3 4 404a 60 1 208 12 6 20 14 30P 240 6 3 1500 OPTIONAL HIGH OUTPUT LED LIGHTS 115 VOLT CASE ENERGY USAGE DATA AMPS WATTS AMPS WATTS AMPS WATTS 3 0 21 24 0 34 39 0 54 63 4 0 28 32 0 40 46 0 67 78 5 N A N A N A N A ...

Страница 13: ...13 0 0 1 2 2 2 3 3 4 5 3 Spec Sheet Cont d ...

Страница 14: ...14 0 0 12 12 3 4 5 12 3 5 12 2 6 3 Spec Sheet Cont d ...

Страница 15: ...5 1 3 12 5 1500 N A N A N A 4 OFF TIME 25 52 OPTIONS NOTES Single point mechandical connections Standard 48 height TX valves Black bumper and black interior Liquid Hand Valves PTM Standard Shelves Upper Shelf 12 Bottom Shelf 16 DEFROST WATER LB DAY CONVENTIONAL NOT AVAILABLE TO BE DETERMINED R FLORAL NARROW CANOPY IM 04 I4 FNC S ISLA MODULE 48 HIGH END 4 WIDE REFRIGERATED SELF SERVICE FLORAL NARRO...

Страница 16: ...can power off the controller and compressor Your controller has been custom conﬁgured to provide the best temperature and defrost control for your chilled or frozen food The front of the controller has an adjustment knob and status LEDs The back of the controller has connections for sensors and switched equipment The Safe NET III controller includes the following features and connections Adjustmen...

Страница 17: ... LEDs are red and their behavior matches the LEDs on the controller START UP 1 Plug in the merchandiser WARNING The OFF Position does not disconnect line voltage to the case refrigeration unit fan or heater 2 Wait for the self check to complete During the self check each LED ﬂashes for one second then all LEDs turn on for two seconds If the LEDs do not ﬂash make sure the adjustment knob is not in ...

Страница 18: ...t up before the compressor starts 3 4 5 1A 2 1 Apply power to the merchandiser Wait for the self check to complete During the self check each LED ﬂashes for one second and then all LEDs turn on for two seconds If the LEDs do not ﬂash make sure the adjustment knob is not in the OFF position 1A The merchandiser temperature displays at startup The initial defrost starts two hours later The display wi...

Страница 19: ...s refrigeration will run continuously Turn off or repeat a duty cycle of a few minutes on and a few minutes off DEFROST TERMINATION SWITCH Merchandisers may use a defrost termination switch instead of an evaporator sensor to terminate a defrost cycle The defrost termination switch is temperature activated and senses the completion of defrost Compressor Off Time If Sensor Failed Compressor Status C...

Страница 20: ...etpoint 2 While adjusting the temperature the display shows the setpoint cut out value A few seconds after the temperature is set the controller reverts to the sensed temperature in the merchandiser 3 To verify merchandiser settings turn the dial to warm and cold as shown above Output readings should be within one degree of the temperatures shown above ...

Страница 21: ...21 Safe Net III Operation Cont d ...

Страница 22: ...n what part of the country you live in you may have hard or soft water Hard water may leave spots Also when heated hard water leaves deposits behind that if left to sit will break down the passive layer and rust your stainless steel Other deposits from food preparation and service must be properly removed 3 Chlorides Chlorides are found nearly everywhere They are in water food and table salt One o...

Страница 23: ... service provider Warning Turn Off case before performing Preventive Maintenance Preventive Maintenance Frequency Instructions Case Exterior Monthly Condensing Coil Note The vacuum blow mode is to be used when cleaning the condenser coil Follow these steps a Remove panel use vacuum and brush to dislodge and remove dust on and in coil b Place damp rags around condensing fan motor brackets to collec...

Страница 24: ... Motors and Brackets by wiping down with moist cloth Preventive Maintenance Cont d 14 Electrical Wiring Diagrams Index MODEL DESCRIPTION SIZE DIAGRAM IM 03 S IM 03 E5 S 5 3011858 IM 04 S IM 04 I3 S 3 1H66325 IM 04 I4 S 4 1H66352 IM 04 I5 S 5 1H66328 IM 04 I6 S W DAN FOSS AK CC 210 6 3004408 IM 04 I8 S W DAN FOSS AK CC 210 8 3004410 IM 05 S IM 05 I3 S 3 1H66327 IM 05 I4 S LED LIGHTS 4 1H61306 IM 05...

Страница 25: ... 13 7 13 1 208V 240V BUNDLE ORANGE LIGHT SWITCH 125 01 0307 WHT 14 BLK 14 SHELF CANOPY LED DRIVER LIGHT CIRCUIT 0 39A 42W 120V RED BLUE 5 LED LIGHT ESII PLUS 5 LED LIGHT M EVAPORATOR FAN 12W 0 30A 120VAC 0548144 L1 N BUNDLE BROWN CONDENSING UNIT COPELAND M4FF 0075 CAV 212 R404A 1H28155500 CONDENSING UNIT RLA 6 8A LRA 33 7 A MCC 9 7A L2 L1 G SWITCH SQUARE D 55447 125 01 0271 RELAY TYCO T92P7A22 277...

Страница 26: ...3 45 012 6 6 157 819 15 8 41 6 M 66 6 6 6 6 6 6 6 6 6 66 6 6 A A 6 B 6 66 SAFE NET III CONTROLER PART 1H59048001 SAFE NET III SENSORS PART 0510533 4m long black pb1 AIR PART 0510532 4m long Yellow pb2 COIL 6 6 6 C 6 D 6 6 D 6 6 D 6 6 D 6 ...

Страница 27: ...IT RLA 6 8 A LRA 33 7A MCC 9 7A L2 L1 G SWITCH SQUARE D 55447 125 01 0271 RELAY TYCO T92P7A22 277 1804241 L2 L1 L1 L2 EVAPORATOR PAN 1500W 6 25A 240 VAC 1H95137550 L2 L1 N L1 N L1 BUNDLE BROWN SAFE NET III CONTROLER PART 1H59048001 SAFE NET III SENSORS PART 0510533 4m long black pb1 AIR PART 0510532 4m long Yellow pb2 COIL M 15A 15 AMP FUSE 125 01 8604 FUSE HOLDER 125 01 8605 L2 Black 10 G Red 10 ...

Страница 28: ... 6 6 5 6 6 5 6 6 5 M 66 5 A A A 5 B C C 66 6 5 6 6 D 6 66 SAFE NET III CONTROLER PART 1H59048001 SAFE NET III SENSORS PART 0510533 4m long black pb1 AIR PART 0510532 4m long Yellow pb2 COIL 02E 4 PROGRAM 1H59684 TERMINAL BLOCK 125 01 0295 5 6 Wiring Diagrams Cont d ...

Страница 29: ...8147 CONDENSING UNIT RLA 10 0 A LRA 51 0A MCC 13 7A G EVAPORATOR PAN 1500W 6 25A 240 VAC 1H95137550 L1 L1 N L1 BUNDLE BROWN M M M N L2 G L2 Black 10G Red 10 G White 14 G Green 10 G BLK 14 WHT 14 TERMINAL BLOCK 125 01 0295 SHELVES CANOPY LED DRIVER RED BLUE 3500K 3 L E D LIGHT 4441587 3500K 3 L E D LIGHT 4441587 3500K 3 L E D LIGHT 4441587 3500K 3 L E D LIGHT 4441587 3500K 3 L E D LIGHT 4441587 350...

Страница 30: ...25500 CONDENSING UNIT RLA 12 6 A LRA 55 0A MCC 17 2A G EVAPORATOR PAN 1500W 6 25A 240 VAC 1H95137550 N L1 N L1 BUNDLE BROWN M M M 15A 15 AMP FUSE 125 01 8604 FUSE HOLDER 125 01 8605 L2 Black 10 G Red 10 G White 14 G Green 10 G LEDDRIVER RED BLUE LED DRIVER RED BLUE CANOPY 3500K 4 L E D LIGHT 4441591 SHELVES 3500K 4 L E D LIGHT 4441591 3500K 4 L E D LIGHT 4441591 3500K 4 L E D LIGHT 4441591 3500K 4...

Страница 31: ...8A LRA 33 7 0A MCC 9 7A L2 L1 G SWITCH SQUARE D 55447 125 01 0271 RELAY TYCO T92P7A22 277 1804241 L2 L1 L1 L2 EVAPORATOR PAN 1500W 6 25A 240 VAC 1H95137550 L2 L1 L1 L1 SAFE NET III CONTROLER PART 1H59048001 SAFE NET III SENSORS PART 0510533 4m long black pb1 AIR PART 0510532 4m long Yellow pb2 COIL N L2 G L2 Black 10G Red 10 G White 14 G Green 10 G PROGRAM 1H59684 TERMINAL BLOCK 125 01 0295 LIGHT ...

Страница 32: ... 9 SAFE NET III CONTROLER PART 1H59048001 SAFE NET III SENSORS 1 PART 0510533 4m long BLACK pb1 AIR 1 PART 0510532 4M Long YELLOW pb2 COIL M 15A 15 AMP FUSE 125 01 8604 FUSE HOLDER 125 01 8605 3 F 0 2 G 9 H I J PROGRAM 1H59684 G 9 G 9 G 9 G 9 G L2 L1 N 9 K K 9 Wiring Diagrams Cont d ...

Страница 33: ...5 L E D LIGHT 4441681 3500K 5 L E D LIGHT 4441681 3500K 5 L E D LIGHT 4441681 M EVAPORATOR FAN 12W 0 30A 120VAC 0477655 L1 N BUNDLE BROWN CONDENSING UNIT COPELAND FJAF 0126 CFV 020R40 4A 225 03 6100 CONDENSING UNIT RLA 9 6A LRA 46 0 A MCC 14 9A L2 L1 SAFETY SWITCH FLOAT SWITCH G SWITCH SQUARE D 55447 125 01 0271 RELAY TYCO T92P7A22 277 1804241 L2 L1 L1 L2 EVAPORATOR PAN 1500W 6 25A 240 VAC 1H95137...

Страница 34: ...IGHT 4441681 M EVAPORATOR FAN 12W 0 30A 120VAC 0477655 L1 N BUNDLE BROWN CONDENSING UNIT COPELAND FJAF 0126 CFV 020R40 4A 225 03 6100 CONDENSING UNIT RLA 9 6A LRA 46 0 A MCC 14 9A L2 L1 SAFETY SWITCH FLOAT SWITCH G SWITCH SQUARE D 55447 125 01 0271 RELAY TYCO T92P7A22 240 1804241 L2 L1 L1 L2 EVAPORATOR PAN 1500W 6 25A 240 VAC 1H95137550 L2 L1 L1 L1 SAFE NET III CONTROLER PART 1H59048001 SAFE NET I...

Страница 35: ...2 277 1804241 L2 L1 L1 L2 EVAPORATOR PAN 1500W 6 25A 240 VAC 1H95137550 L2 L1 L1 L1 N L1 BUNDLE BROWN SAFE NET III CONTROLER PART 1H59048001 SAFE NET III SENSORS PART 0510533 4m long black pb1 AIR PART 0510532 4m long Yellow pb2 COIL M M M N L2 G L2 Black 10G Red 10 G White 14 G Green 10 G PROGRAM 1H59684 BLK 14 WHT 14 TERMINAL BLOCK 125 01 0295 SHELVES CANOPY LED DRIVER RED BLUE 3500K 3 L E D LIG...

Страница 36: ...59048001 SAFE NET III SENSORS PART 0510533 4m long black pb1 AIR PART 0510532 4m long Yellow pb2 COIL M M M N L2 G 15A 15 AMP FUSE 125 01 8604 FUSE HOLDER 125 01 8605 L2 Black 8 G Red 8 G White 14 G Green 8 G PROGRAM 1H59684 POWER SWITCH 125 01 0271 CONTACTOR SQUARE D 125 01 1001 WHITE 14 BLK 10 RED 10 CONDENSING UNIT RLA 9 0A LRA 43 0A MCC 12 4A L2 L1 CONDENSING UNIT COPELAND FJAF A100 CAV 020 R4...

Страница 37: ...ET III SENSORS PART 0510533 4m long black pb1 AIR PART 0510532 4m long Yellow pb2 COIL M M M N L2 G 15A 15 AMP FUSE 125 01 8604 FUSE HOLDER 125 01 8605 L2 Black 8 G Red 8 G White 14 G Green 8 G PROGRAM 1H59684 POWER SWITCH 125 01 0271 CONTACTOR SQUARE D 125 01 1001 WHITE 14 BLK 10 RED 10 CONDENSING UNIT RLA 9 0A LRA 43 0A MCC 12 4A L2 L1 CONDENSING UNIT COPELAND FJAF A100 CAV 020 R404A 1H35476 LED...

Страница 38: ...ON DESCRIPTION REV BY CHKD BY APPR BY A ECN CAP 0001581 2016 05 04 RELEASED TO PRODUCTION CB CB CB B ECN CAP 0000255 2016 05 11 ADDED LIGHTS CB CB CB REVISION HISTORY NOTES CASE MUST BE GROUNDED WHEN PASSING WIRES THROUGH METAL HOLES A GROMMET MUST BE USED B SHEET 1 OF 2 208 240 VAC 60 Hz CONTACTOR SQUARE D 8910DPA43V02 125 01 1001 L CIRCUIT 1 TERMINAL BLOCK 2H07970550 RED 8 GREEN 10 BLACK 8 L1 L2...

Страница 39: ...6 05 31 RELEASED TO PRODUCTION CB CB CB REVISION HISTORY NOTES CASE MUST BE GROUNDED WHEN PASSING WIRES THROUGH METAL HOLES A GROMMET MUST BE USED A SHEET 1 OF 1 CIRCUIT 1 L1 L2 L3 LOADING 4 4 4 3 5 1 5 0 894W 208VAC 1224W 240VAC 208V 240V 240 VAC 1O 60 Hz CONTACTOR SQUARE D 8910DPA43V02 125 01 1001 L SWITCH 2 125 01 0311 TERMINAL BLOCK 125 01 0295 RED 14 L1 L2 N G BLK 14 L H1 L1 L2 H2 P L H1 L1 L...

Страница 40: ...BE GROUNDED WHEN PASSING WIRES THROUGH METAL HOLES A GROMMET MUST BE USED A SHEET 1 OF 1 M EVAPORATOR FAN 12W 0 30A 120VAC 0477655 CONDENSING UNIT COPELAND M2FH 0040 IAA 143 3008587500 CONDENSING UNIT RLA 7 45 A LRA 37 5A MCC 10 2A L2 L1 G SWITCH SQUARE D 55447 125 01 0271 RELAY TYCO T92P7A22 120 0459304001 N L1 L1 N EVAPORATOR PAN 1500W 12 5A 120 VAC 1H95136550 N L1 L1 N L1 BUNDLE BROWN SAFE NET ...

Страница 41: ...10042550 PLUG NEMA 6 15P SENSOR GRN 14 RED 14 BLK 14 RECEPTACLE 1H10042550 PLUG NEMA 6 15P SHELF HEATER 1 2 0A 208VAC 2 3A 240VAC 1H39635550 TO SENSOR RECEPTACLE 1 1H40926550 3 LEVEL CONTROL 1H40923550 SHELVES TAG ORANGE F14T5 24 125 03 1125 BLACK 14 TO SENSOR RECEPTACLE 2 1H40926550 TO SENSOR RECEPTACLE 3 1H40926550 CANOPY LIGHT CIRCUIT 39A 42W LIGHT SWITCH 125 01 0307 15 AMP FUSE 125 01 8604 FUS...

Страница 42: ...E 1H10042550 PLUG NEMA 6 15P SENSOR GRN 14 RED 14 BLK 14 RECEPTACLE 1H10042550 PLUG NEMA 6 15P TOP SHELF HEATER 1 3 8A 208VAC 1H39636550 TO SENSOR RECEPTACLE 1 1H40926550 3 LEVEL CONTROL 1H40923550 SHELVES TAG ORANGE FP28 83 T5 48 125 03 1131 BALLAST 125 01 3267 FULHAM LH4 120 L BLACK 14 TO SENSOR RECEPTACLE 2 1H40926550 TO SENSOR RECEPTACLE 4 1H40926550 CANOPY LIGHT CIRCUIT 0 65A 70W LIGHT SWITCH...

Страница 43: ... Coil is freezing over Return air is blocked make sure debris is not blocking the intake section Coil close offs are not installed Inspect coil to make sure these parts are on the case Condensing coil or evaporator coil is clogged or dirty Clean coil Case temperature is too cold The t stat temp is set too low Check settings See Technical Speciﬁcations section Ambient conditions may be affecting th...

Страница 44: ...ke sure debris is not blocking the intake section Large gap is visible on bottom of front glass or glass can t be opened because it is too low Glass Height adjusters need to be adjusted See Glass Adjustment section Large gaps are visible in between glass panels or glass rubs against end panel Glass glass clamp assembly needs to be adjusted See Glass Adjustment section Front glass does not stay ope...

Страница 45: ...tor pan should function properly and water will no longer overﬂow onto ﬂooring Fan Emits Excessive Noise Check that the case is aligned level and plumb Check evaporator fan for cleanliness Unplug fan motors check motor shaft for excessive bearing wear Check the fan motors are securely mounted in brackets Verify that fan blades are securely mounted to fan motor Check that nothing is preventing blad...

Страница 46: ...re Controller s Settings for accuracy 18 Troubleshooting Condensing System Troubleshooting Condensing System Qualiﬁed Service Technicians Only Condition Troubleshooting Head Pressure too High Check that the Condensing Coil is not dirty or covered Check the Condensing Fans are working Check that the refrigeration system is not overcharged Check that case is free of non condensables Check that the L...

Страница 47: ...ing Check for Superheat setting Check that the Thermostatic Element charge isn t depleted Check that the Coil is not iced up High Suction Pressure Check that Refrigerant Charge isn t too high Check that Compressor Valves aren t faulty Check that there is no air seepage around Condensing Coil Check that the Cooling Load isn t high Check that Superheat adjustment isn t low Check TXV Bulb Installatio...

Страница 48: ...hs cause surface to cloud over time Monthly Condensing Coil See MAINTENANCE FUNDAMENTALS REFRIGERATION PACKAGE EVAPORATOR PAN ACCESS for access instructions Vacuum or brush grille area on back or case clean dust and dirt collecting on condenser coil Avoid damaging ﬁns Monthly Under Case Cleaning Remove panels to access area Vacuum under case to remove all dust and dirt Replace panels when complete...

Страница 49: ... to the loading of food into the refrigerator which includes such items as a Initial temperature performance Coils should be properly fed with a refrigerant according to manufacturer s recommendations b Observation of outside inﬂuences such as drafts radiant heating from the ceiling and from lamps Such inﬂuence should be properly corrected or compensated for c At the same time checks should be mad...

Страница 50: ...ioning ducts open doors etc 8 Is there exposure to direct sunlight 9 Are display signs blocking or diverting airﬂow 10 Are the coils of the refrigerator iced up 11 Is the store ambient over 75 F 55 RH as set forth in ASHRAE Standard 72 and ASHRAE Standard 117 12 Are the shelf positions number and size other than recommended by Hussmann 13 Is there an improper application or control system 14 Is th...

Страница 51: ...nactivity f Minimize the transfer time of perishables from storage to display g Keep meat under refrigeration in meat cutting and processing area except for the few moments it is being handled in processing When a cut or tray of meat is not to be worked Appendices Cont d on immediately the procedure should call for returning it to refrigeration h Keep tools clean and sanitized Since mechanical equ...

Страница 52: ..._____________________________________________ _______________ __________________________________________________________________________________________________ _______________ __________________________________________________________________________________________________ _______________ __________________________________________________________________________________________________ _________...

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