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Dover unified brands groen DH-20, Operator'S Manual, Page: 21 / 30

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21 

OM-DH(T) DOMESTIC & (CE) INTERNATIONAL

Parts List

ELECTRICAL COMPONENTS

Domestic

Ref

Description

Part #

Qty

1

ASSEMBLY, BOARD, WATER 

LEVEL

122192

1

3

LUG, GROUND, #14 - #6 AWG

129714

1

4

SCREW, HEX, SLOTTED HEAD, 

8-32 X 3/8" LONG

069789

4

5

WELDMENT, PANEL, 

ELECTRICAL

138123

1

6

NUT, HEX, KEPS, 10-32

071256

1

7

BLOCK, TERMINAL,  2-POLE

003887

1

8

FUSE, 3.0 AMP, TYPE 3 AG

077853

1

9

HOLDER, FUSE, TYPE 3 AG

077854

1

11

SCREW, ROUND HEAD, MACHINE, 

8-32 X 1-1/4" LONG

005056

1

12

SCREW, ROUND HEAD, SELF-TAP, 

6-32 X 3/8" LONG

012398

1

12

TRANSFORMER, 20VA, 120V 

PRIMARY, 24V SECONDARY

137487

1

12

TRANSFORMER, 40VA, 

208/240V PRIMARY, 24V 

SECONDARY

137441

1

-

HARNESS, WIRIN, KETTLE 

CONTROL

123779

1

-

HARNESS, WIRING, CONTROL 

PANEL

123582

1

-

LABEL, ELECTRICAL 

CONNECTION, 115V

102229

1

-

LABEL, ELECTRICAL 

CONNECTION, 230V

008118F

1

-

STRAP, CABLE TIE

011093

1

Summary of Contents for unified brands groen DH-20

Page 1: ... Four stainless steel tubular legs support the unit Bullet or flanged feet on each of the legs can be adjusted to level the kettle Standard DHT units include a two inch tangent draw off valve The self contained steam source is heated by propane or natural gas Ignition is electronic The kettle is charged at the factory with chemically pure water which contains rust inhibitors The steam source provi...

Page 2: ... ANY EXPOSURE TO THE STEAM BLOWING OUT OF THE SAFETY VALVE DIRECT CONTACT WITH STEAM COULD RESULT IN SEVER BURNS WARNING KEEP THE APPLIANCE AREA FREE AND CLEAR OF COMBUSTIBLE MATERIALS FAILURE TO DO SO COULD RESULT IN FIRE OR PROPERTY DAMAGE CAUTION BE SURE ALL OPERATORS READ UNDERSTAND AND FOLLOW THE OPERATING INSTRUCTIONS CAUTIONS AND SAFETY INSTRUCTIONS CONTAINED IN THIS MANUAL CAUTION KEEP FLO...

Page 3: ...LE WALLS MINIMUM CLEARANCE FROM NON COMBUSTIBLE WALLS RECOMMENDED CLEARANCES Left Side 6 in 0 in 6 in Right Side 6 in 0 in 10 in Rear 10 in 10 in 12 in 2 The kettle should be installed in an adequately ventilated room with provision for adequate air supply The ventilation must employ a vent hood and exhaust fan with no direct connection between the vent duct and the kettle flue Do not obstruct the...

Page 4: ... 5 14 300 500 ELECTRICAL SUPPLY This unit is designed for connection to fixed wiring A suitably rated isolating switch with contact separation of at least 3 mm 0 12 in on both poles must be fitted to the installation and the wiring executed in accordance with the regulations listed in this manual Cable entry is at the lower rear on the right side of the appliance Access is gained by removing relev...

Page 5: ...ntal position note how the water lies in the kettle to confirm that the pan was leveled properly during installation 3 Following the To Start Pan instructions for your kettle model begin heating the water at a temperature setting of 235ºF 113ºC At this setting heating should continue until the water boils 4 To shut down the unit switch the power switch to OFF 5 Turn the tilting handwheel countercl...

Page 6: ...ndicator light located on the control console illuminates when the jacket water falls below acceptable levels When lit the main gas valve is disabled and will not function until the jacket water is refilled using the procedure in this manual f SETTnnP Mode Allows power to the controller and gas to the pilot without the kettle heating the kettle will heat once the LOW TEMP MANUAL or HIGH TEMP butto...

Page 7: ...faces d Place cover on safe flat sanitary out of theway surface or return to kettle 2 Basket Insert An optional kettle basket insert set Tri BC will assist in cooking water boiled products including eggs potatoes vegetables shell fish pasta and rice The nylon mesh liner must be used for products smaller than the basket mesh size approx 6 mm This includes rice and small pasta shapes a Allow for dis...

Page 8: ...AD AND FOLLOW ALL PRECAUTIONS ON THE LABEL OF THE WATER TREATMENT COMPOUND WARNING BEFORE REPLACING ANY PARTS DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY AND CLOSE THE MAIN GAS VALVE ALLOW FIVE MINUTES FOR UNBURNED GAS TO VENT The pressure gauge should show a vacuum of 20 to 30 inches when the kettle is cold Add grease through Zerk Fittings Liberally grease the wheel where it contacts the w...

Page 9: ...e the pH by frequently comparing the test strip color with the color chart provided in the test kit Caution Do not add excess amount of treatment compound Excess amount could cause extensive corrosion 6 As you add water to the jacket check water level to ensure that it is between minimum and maximum marks on glass or at the top of the sight glass port for models DH DHT 80 Stop adding water when it...

Page 10: ...is operating margin may result in water leakage past the seat and accumulation of deposits on the seating surface Excessive deposits may prevent the valve from operating properly and a dangerous pressure build up and equipment rupture may result MAINTENANCE AND TESTING 11 Test the operation of the safety valve on a regular basis past the seat and accumulation of deposits on the seating surface Exc...

Page 11: ... point of discharge mplete drainage of both the the discharge line ndently supported and securely so as to avoid applied stress ve t and straight as possible s freely to atmosphere where arge will be clearly visible and sk of freezing s with a plain end that is not cted of a material suitable for to temperatures of 375º F or entire length of a size equal ter than the valve outlet dule 40 pipe for ...

Page 12: ...rder g NOTE When replacing spark ignition module verify that the high voltage cable to the pilot is not damaged or frayed If damaged replace the cable and route it the same as original placement c Remove low water level control transformer or the fuse d e Replace in reverse order Ensure the low water level control relay is correctly oriented when re positioned 3 8 Removal of Tilt Switch Turn the g...

Page 13: ...he jacket should be filled REMOVAL OF BURNERS TURN THE GAS ELECTRICITY MAINS OFF 1 Remove water splash guards around the burner 2 Undo compression fitting at gas pipe to burner manifold and to the pilot 3 Disconnect electrical leads to the pilot 4 Remove the four retaining nuts securing the burner and igniter assembly to the combustion chamber Carefully support the weight of the burner manifold an...

Page 14: ...User a Temperature Controller dial setting Auth Service Rep Only b Temperature Controller calibration and offset X c Temperature Controller operation TheTemperature Controller should click when the dial is rotated to settings above and below the temperature of the kettle X SafetyValve pops open User a For air in the jacket See JacketVacuum in the Maintenance b Temperature Controller dial setting A...

Page 15: ...ESTAL 175330 1 1 4 WELDMENT CLADDING PEDESTAL 175378 1 4 WELDMENT CLADDING PEDESTAL 175337 1 1 5 PANEL SIDE PEDESTAL 175383 1 5 PANEL SIDE PEDESTAL 175336 1 1 6 SCREW MACHINE HEX HEAD 1 2 13 X 1 1 2 LONG 008679 4 4 4 7 NUT HEX 1 2 13 005603 4 4 4 8 WASHER LOCK 1 2 005657 4 4 4 9 WASHER PLAIN 1 2 005049 8 8 8 10 WASHER LOCK 8 012971 2 2 2 11 SCREW MACHINE TRUSS HEAD 8 32 X 3 8 LONG 137766 14 14 14 ...

Page 16: ...16 OM DH T DOMESTIC CE INTERNATIONAL Parts List GAS VALVE PIPING BOTTOM COMPONENTS ...

Page 17: ...FITTING COMPRESSION 90 DEG ELBOW 1 8 NPT MALE X 1 4 TUBE 004584 1 1 1 1 25 TUBE ALUMINUM 1 4 OD 006796 20 IN 20 IN 20 IN 20 IN FITTING COMPRESSION 5 8 TUBE X 1 2 NPT FEMALE 049094 1 1 1 1 SCREW TRUSS HEAD 10 32 X 3 8 LONG 004173 2 2 2 2 STRAP EMT CONDUIT 3 4 135252 3 3 3 2 COUPLING FULL 1 2 NPT 150 005722 1 1 1 1 ELBOW 90 DEG 3 8 NPT 055335 1 QUANTITY Ref Description Part 20 Gal 40 Gal 60 Gal 80 G...

Page 18: ...E BOX 104941 1 4 GASKET MODULE BOX CE 154070 1 5 MODULE IGNITION 085153 1 5 MODULE IGNITION CE 154059 1 6 NUT HEX KEPS 6 32 071289 2 7 ADAPTER CONDUIT PLASTIC MALE 123733 1 8 COVER MODULE BOX 104948 1 8 COVER MODULE BOX CE 154067 1 9 NUT HEX KEPS 8 32 069784 1 10 ANCHOR CABLE TIE SCREW MOUNTED 102231 1 11 STRAP CABLE TIE 011093 1 12 CABLE HI VOLTAGE SPARK IGNITION 096728 1 SCREW HEX BINDER HEAD 10...

Page 19: ...URNER NAT GAS OR G20 123580 1 1 1 1 3 PILOT BURNER PROPANE OR G31 128415 1 1 1 1 4 BRACKET BURNER SUPPORT 117008 2 4 BRACKET BURNER SUPPORT 117009 2 4 BRACKET BURNER SUPPORT 117010 2 2 5 BRACKET BURNER 117011 2 5 BRACKET BURNER 117012 2 5 BRACKET BURNER 117013 2 2 WASHER FENDER 1 4 132107 3 3 6 BURNER MANIFOLD AND ORIFICES NOTE 1 1 1 1 1 NOTE 1 CONTACT FACTORY WITH ELEVATION AND GAS TYPE NATURAL P...

Page 20: ...ECTION 137874 137872 1 1 FLUE MAIN BODY FRONT SECTION 149220 150927 1 2 FLUE TOP PLATE TOP SECTION 117038 1 2 FLUE TOP PLATE TOP SECTION 117029 1 2 FLUE TOP PLATE TOP SECTION 128169 1 2 FLUE TOP PLATE TOP SECTION 149222 1 3 FLUE TOP PLATE BOTTOM SECTION 117037 1 3 FLUE TOP PLATE BOTTOM SECTION 117033 1 3 FLUE TOP PLATE BOTTOM SECTION 117028 1 3 FLUE TOP PLATE BOTTOM SECTION 149236 1 4 SCREW TRUSS ...

Page 21: ...ERMINAL 2 POLE 003887 1 8 FUSE 3 0 AMP TYPE 3 AG 077853 1 9 HOLDER FUSE TYPE 3 AG 077854 1 11 SCREW ROUND HEAD MACHINE 8 32 X 1 1 4 LONG 005056 1 12 SCREW ROUND HEAD SELF TAP 6 32 X 3 8 LONG 012398 1 12 TRANSFORMER 20VA 120V PRIMARY 24V SECONDARY 137487 1 12 TRANSFORMER 40VA 208 240V PRIMARY 24V SECONDARY 137441 1 HARNESS WIRIN KETTLE CONTROL 123779 1 HARNESS WIRING CONTROL PANEL 123582 1 LABEL EL...

Page 22: ... 1 6 PC BOARD MOUNTING POST 099901 3 7 SCREW ROUND HEAD 8 32 1 1 4 005056 2 8 TRANSFORMER CE 208 230 460 TO 24V 148899 1 9 LUG GROUND 14 6 AWG 129714 1 10 SCREW HEX SLOTTED HD WITH WASHER 8 32 X 3 8 069789 6 11 NUT HEXHEAD KEPS 10 32 071256 1 12 SCREW PAN HEAD 6 32 X 3 8 009697 1 13 LABEL 3 AMP 102251 1 14 SUPPLY VOLTAGE 114316 1 15 VOLTAGE MARKERS 230 008118F 1 16 VOLTAGE MARKERS SINGLE PHASE 008...

Page 23: ... 101145 1 1 1 SPACER LIGHT MOUNT 175221 1 1 1 Bracket Light Mount 175222 1 1 1 Classic Controls Overlay 175303 1 1 1 Parts List FRONT PANEL COMPONENTS For Advanced Control Models QUANTITY Ref Description Part 20 Gal 40 Gal 60 Gal 1 2 ALUMINUM KNOB 174829 1 1 1 2 POWER SWITCH 174871 177910 1 1 1 3 INDICATOR LIGHT RED 116383 1 1 1 4 ADVANCED CONTROLS 174837 1 1 1 5 HEX NUT 101145 1 1 1 6 INDICATOR L...

Page 24: ...762 1 1 1 9 ASSEMBLY BEARING HOUSING 149788 1 10 BEARING BALL 009765 2 2 2 2 11 GEAR WORM 3 4 BORE 012026 1 1 1 1 12 WASHER SHIM 1 3 8 ID 012039 2 2 2 13 SCREW SET SOCKET 012060 1 1 1 1 14 PIN ROLL 1 4 DIA X 1 1 4 LONG 012614 3 3 3 3 15 RING BASIC INTERNAL 013483 2 2 2 2 16 GEAR 3 BORE 92 TEETH 013609 1 1 1 1 17 HANDLE CRANK 3 4 BORE 013617 1 1 1 1 18 SHAFT HANDWHEEL 3 4 OD X 13 1 2 LONG 013624 1 ...

Page 25: ...1 10 1 2 NPT TO 1 2 BSPT ADAPTER 116392 1 11 ELBOW 90 DEG UNION 1 2 NPT 005495 1 12 FLEXIBLE TUBE GAS 1 2 OD 35 LONG DH 20 154291 1 12 40 FLEX TUBE GAS 1 2 OD DH 40 DH 60 154106 1 13 GAS VALVE CE MARK G31 160796 1 13 GAS VALVE CE MARK G20 160776 1 14 FITTING COMPRESSION 5 8 TUBE X 1 2 MPT 049093 2 15 TUBE GAS PIPING SUPPLY SIDE DH 20 145038 1 15 TUBE GAS PIPING SUPPLY SIDE DH 40 145040 1 15 TUBE G...

Page 26: ...PSI 175196 1 KBA TRUNNION DHT 80 2 TDO 50 PSI 175197 1 REPLACEMENT COMBUSTION CHAMBERS CHAMBER COMBUSTION 122092 1 CHAMBER COMBUSTION 122093 1 DIVERTER FLUE GAS 062105 2 DIVERTER FLUE GAS 062106 2 CHAMBER COMBUSTION 122094 1 DIVERTER CENTER PLATE FLUE GAS 049716 2 DIVERTER CENTER PLATE FLUE GAS 049718 2 2 DIVERTER SIDE PLATE FLUE GAS 049717 2 2 CHAMBER COMBUSTION 122094 1 DIVERTER TOP PLATE 154028...

Page 27: ...27 OM DH T DOMESTIC CE INTERNATIONAL Wiring Diagram Domestic For Classic Control Models ...

Page 28: ...28 OM DH T DOMESTIC CE INTERNATIONAL Wiring Diagram Domestic For Advanced Control Models ...

Page 29: ...29 OM DH T DOMESTIC CE INTERNATIONAL Wiring Diagram CE ...

Page 30: ...30 OM DH T DOMESTIC CE INTERNATIONAL Service Log Model No Purchased From Serial No Location Date Purchased Date Installed Purchase Order No For Service Call Date Maintenance Performed Performed By ...

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