Hussmann HGL-1BS Installation And Service Instructions Manual Download

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TABLE OF CONTENTS CON’T

Page

Electrical Box

Electrical Line Set

Refrigeration Line Sets

Pumpdown System on the Remote Unit

Setting up the Pumpdown System

Trouble

Shooting

Charts

16-19

Electrical Components List

Warranty

and

Parts

Information

Ordering

Replacement

Parts 20

Warranty

Parts

Procedure

Compressor

Replacement

Procedure

Summary of Contents for HGL-1BS

Page 1: ...GL 1 2 3 BOTTOM TOP MOUNT REMOTES P N OII HGL Remotes January 2006 First Call for help US and Canada 1 800 922 1919 Soporte Tècnico y Asistencia Mèxico 01 800 522 1900 For a Service Network Locator and other Information visit us at www hussmann com select Worldwide Locations ...

Page 2: ... Cleaning Routine Maintenance Operation and Maintenance 8 Power Switches 8 Temperature Control 8 Thermometer 9 Electrical Enclosure 9 Defrost Time Clock 10 Defrost Heater Thermostat 10 Defrost Heater Replacement 10 Lighting Door Switches 11 Door and Frame Heaters 11 Expansion Valve Adjustment 11 Alarm Thermostat Heater Delay 11 Refrigeration Leak Testing and Evacuation 12 Remote Condensing Unit an...

Page 3: ...ration Line Sets 14 Pumpdown System on the Remote Unit 14 Setting up the Pumpdown System 15 Trouble Shooting Charts 16 19 Electrical Components List 19 Warranty and Parts Information 20 Ordering Replacement Parts 20 Warranty Parts Procedure 20 Compressor Replacement Procedure 21 ...

Page 4: ...HGL only Is timer set for correct time of day Fail safe at 40 minutes de frost pins at 10 p m and 6 a m HGL only Are electrical connections tight and tubing positioned to prevent rubbing Is drain hose in water pan and trapped Does the condenser fan blade s turn freely Is the temperature control set per the following specifications Control Set At Cabinet Temperature HGL 18 13 off 9 on HGM HGS 29 to...

Page 5: ...skid provides protection for both case and floor The skid is removed by raising one end of the case approximately six inches BLOCK SECURELY and remove the two skid bolts on the raised end The procedure is repeated on the opposite end When the skid bolts are removed the case may be slid off the skid LEG INSTALLATION Top Mounts Only After the case is near its final loca tion and the skid has been re...

Page 6: ...proper airflow in the cabinet Behind the shelves are wire flue spacers which also allow for proper airflow All shelves and flue spac ers are white epoxy coated for durability and ease of cleaning Shelves should be adjusted to desired operating height When loading product into the cabinet care should be taken not to load product so that it touches the evaporator coil cover also do not extend produc...

Page 7: ...he clock HGL cabinets are factory set for 2 defrost periods in 24 hours 6 a m and 10 p m Check the cabinet thoroughly for loose nuts and bolts and electrical connections Inspect the refrigera tion lines for any visible damage or chafing Replace the electrical box cover Start the cabinet and allow to pull down to operating temperature be fore loading BTU CAPACITIES RATING TEMP ºF BTU HR EVAP COND A...

Page 8: ...PERATION MAINTENANCE behind the top decorative panel top mounts The switch will shut off all power TEMPERATURE CONTROL The electronic temperature con trol is located in the electrical box The temperature control does not have an OFF position Adjustments may be made by turning the knob on the face of the dial Turning it clockwise will give warmer temperatures while counter clockwise will give colde...

Page 9: ...s making a decision on a product After the door is closed it will take some time for the thermometer to pull back down to the case temperature The ther mometer and temperature control sense discharge air temperature which is 5 10º colder than the case temperature ELECTRICAL ENCLOSURE The electrical enclosure contains the defrost time clock and temperature control For servicing convenience access i...

Page 10: ...t should fail the timer is equipped with a failsafe set at 40 minutes that will allow defrost to termi nate on time DEFROST HEATER THERMOSTAT The defrost heater thermostat is clamped to the evaporator outlet tube It is a bi metal thermostat that is tied in se ries with the evaporator fans for a delay and with defrost time clock solenoid to end defrost when the temperature has been satisfied The ev...

Page 11: ...an motors These switches stop the fan motors when the doors are open DOOR FRAME HEATERS This cabinet is equipped with both frame and door heaters These are ther mostatically controlled and will not come on until the cabinet is at operating tem perature See door mfg instructions for heater replacement at the back of this booklet ALARM THERMOSTAT Heater Delay The alarm heater delay thermo stat is lo...

Page 12: ...These systems come pre charged for easy field installation If it should become necessary to leak test the system please adhere to the following notice NOTICE BECAUSE OF THE CFC AT MOSPHERIC CONSIDERATIONS BEING TAKEN TODAY WE ASK THAT LEAK TESTING BE DONE WITH REFRIGERANT 22 MIXED WITH NI TROGEN IF THE CONDENSING UNIT NAMEPLATE DESIGNATES A RE FRIGERANT OTHER THAN R 22 RE MOVE ALL R 22 FROM THE IM...

Page 13: ...d quick connects optional COMPRESSOR The compressor is mounted on semi rigid rubber pads There are no mounting springs so the compressor is es sence becomes solid mounted DO NOT LOOSEN THE MOUNTING BOLTS ON THE COMPRESSOR FAN DELAY THERMOSTAT The fan delay thermostat is con nected to the left hand fan motor as you face the unit from the electrical box side and will leave this fan off at ambients b...

Page 14: ...t the wiring diagram for proper wiring BOTTOM MOUNT VERSIONS The refrigeration line set is provided with quick connect connections on both ends for installation at the case and the remote unit The line set is tagged with the end that is to be attached at the case The line set is tagged with the end that is to be at tached at the case end Do not over tighten the quick con nects as this will damage ...

Page 15: ... Dirty condenser 3 Clean High head pressure 1 Cabinet location too warm 1 Relocate cabinet 2 Restricted condenser air flow 2 Clean condenser to re move air flow restriction 3 Defective condenser fan motor 3 Replace 4 Air or non condensable gases in system 4 Leak check change drier evacuate and re charge 5 Defective fan delay ther mostat 5 Replace Warm storage temperatures 1 Temperature control not...

Page 16: ...trol 1 Replace 2 Control feeder tube not in positive contract 2 Assure proper contract 3 Short on refrigerant 3 Leak check change drier evacuate and re charge Compressor will not start no noise 1 Blown fuse or breaker 1 Replace fuse or reset breaker 2 Defective or broken wir ing 2 Repair or replace 3 Defective overload 3 Replace 4 Defective temperature control 4 Replace 5 Power disconnected 5 Chec...

Page 17: ...denser 6 Defective condenser fan motor 6 Replace 7 CRO not set properly 7 Reset to 10 psi Icing condition in drain pan 1 Low voltage 1 Check voltage at com pressor 2 Cabinet not level 2 Check front to rear level ing adjust legs accordingly 3 Defective drain tube heater 3 Replace 4 Defective drain pan heater 4 Replace LIGHTING SYSTEM Lights won t start 1 Check light switch 2 Check continuity to bal...

Page 18: ...necessary 5 Check voltage 6 New bulbs tend to flicker until used Ballast hums 1 Check voltage 2 Replace ballast LIGHTING SYSTEM ELECTRICAL COMPONENTS MODEL HGL 1 T B HGL 2 T B HGL 3 T B Evaporator Fan Morrill SPB5EM2 Same Same Motor Light Ballast Huss 06 S183 1 06 S 183 1 1 06 S 183 2 2 06 S 183 2 1 Fluorescent lamp FO4OW T8 60 Same Same Page 18 ...

Page 19: ...te of cabinet and if possible forward a copy of the original invoice or delivery receipt All shipments of in warranty replacement parts will be invoiced from the factory until such time as the defective part is returned and proved to be defective by our Quality Con trol Department Contact your Hussmann Distributor for instructions on returning in warranty parts Warranty parts must be returned to t...

Page 20: ...rmined by the compressor serial number on the compressor serial plate For any defective compressor beyond the twelve or twenty month time period a salvage value credit will be given too partially offset the invoice for the replacement To obtain reimbursement forward to Hussmann Corporation 140 East State Street Gloversville NY 12078 the following information 1 The cabinet model and serial number 2...

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Page 26: ...LK JUMPER TO CONDENSING UNIT 3 TC2 WHT BLK ORN PUR EVAP FANS DEFROST CLOCK N X 4 1 2 3 T BRN BLU DOOR FRAME HEATERS 1 RED BLK RED RED RED BRN BLK BLK BLK DEFROST HTRS DRAIN TUBE HTRS DRAIN PAN HTRS FAN SWITCH ANTHONY FRAME LIGHT SWITCH DEFROST THERMOSTAT RED P BLK Z BLK ORN ORN BRN BLU DOOR HEATERS FRAME HEATERS RED BLK BLK BLK BLK BLK BLK BLK ALARM STAT GRD NOTE WIRES NOTED WITH ARE IN WIRE HARNE...

Page 27: ...HTRS DRAIN TUBE HTRS DRAIN PAN HTRS FAN SWITCHES ANTHONY FRAME LIGHT SWITCH DEFROST THERMOSTAT RED P BLK Z BLK ORN ORN BRN BLU DOOR HEATERS FRAME HEATERS RED BLK BLK BLK BLK BLK BLK BLK ALARM STAT GRD BALLAST LAMP 5 4 3 2 7 6 9 8 1 10 ORN ORN BRN BRN LAMP RED BLU BLU BLK WHT RED 1 2 3 4 5 6 7 8 9 10 11 12 13 14 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 15 16 HGL 2 B HGL 2 T...

Page 28: ... HTRS DRAIN TUBE HTRS DRAIN PAN HTRS FAN SWITCHES ANTHONY FRAME LIGHT SWITCH DEFROST THERMOSTAT RED P BLK Z BLK ORN ORN BRN BLU DOOR HEATERS FRAME HEATERS RED BLK BLK BLK BLK BLK BLK BLK ALARM STAT GRD BALLAST LAMP 5 4 3 2 7 6 9 8 1 10 ORN ORN LAMP RED BLU BLU BLK WHT RED BALLAST LAMP 5 4 3 2 7 6 9 8 1 10 ORN ORN LAMP RED BLU BLU BLK WHT RED 1 2 3 4 5 6 7 8 9 10 11 12 13 14 17 18 19 20 21 22 23 24...

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