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Parts List

To order parts, contact your authorized Groen Service Agency. Supply the model designation, part description,
part number, quantity, and, where applicable, voltage and phase.

ITEM

PART

ITEM

PART

NO.

NO.

DESCRIPTION

NO.

NO.

DESCRIPTION

1

000624

BUSHING REDUCING HEX 1" X 3/4" NPT.

49

008239

NIPPLE 3/4" NPT X 3" LONG

2

002647

BUSHING REDUCING'/2" X 1" NPT.

50

077977

NIPPLE 3/4" NPT X 7" LONG

3

005517

NIPPLE 1/8" NPT CLOSE

51

078617

RELIEF VALVE 3/4" .12 PSI

4

005553

NIPPLE 1/2" NPT X 3" LONG

52

084098

VENT- AIR 3/8 NPT

5

010231

NIPPLE 3/4" NPT X1'/2 LONG

53

074849

FLUE STACK

6

008124

ELBOW 90° 3/4 NPT

54

074850

BRACKET TOP FLUE STACK

7

013202

NIPPLE BRASS 3/8 NPT X CLOSE

55

074851

BRACKET SIDE FLUE STACK

8

071915

PLUG PIPE SQ.HD. 1"NPT

56

005445

NUT-HEX 1/4"-20

9

064515

FITTING COMPRESSON — TUBING

57

008072

NUT-HEX 1/4"-20

10

009883

VALVE BALL 3/4" NPT SS

58

077985

SNAP-ACTION THERMOSTAT

11

086884

ELBOW 45° STREETS NPT

59

071915

PLUG PIPE 1" NPT

12

026254

TEE 1" NPT SIDE OUTLET STEAMER

60

071534

SIGHT GLASS

13

013648

NIPPLE 3/4 NPT X CLOSE

61

078000

PRESSURE GAUGE

14

086893

HOSE CONNECTORS NPT 3/4 I. D. HOSE

62

077984

SWITCH ON/OFF

15

074594

VALVE SOLENOID 1/2" NPTF

63

077983

SWITCH MOMENTARY

16

086897

NIPPLE 3/4" NPT X 153/4 LONG

64

090662

SAFETY VALVE 15 PSI

17

086898

"Y" 45° 3/4 NPT

65

056965

FLAME HOLDER

18

072242

TEE REDUCING BRASS 3/8 X 3/8 X 1/4

66

049277B

BAFFLE BURNER

19

010873

HOSE CLAMP

67

050490

BRACKET BURNER SUPPORT

20

086900

HOSE RUBBER RADIATOR ¾ I,D.

68

047267

BURNER ASSY. W/JETS NATURAL

21

057217

FITTING 90° ELBOW COMP.

050491

BURNER ASSY. W/JETS PROPANE

3/8 NPT MALE X 3/8 TUBE COMP.

69

054203

BRACKET PILOT MTG.

22

091941

FITTING STRAIGHT COMP.

70

077973

VALVE GAS 1/2" X 1/2" NATURAL

1/4 NPT MALE X 3/8 TUBE COMP.

082908

VALVE GAS 1/2" X 1/2" PROPANE

23

090694

SIPHON PRESSURE SWITCH

71

076423

THERMOCOUPLE 36" LONG

24

090695

SIPHON PRESSURE SWITCH

72

076421

PILOT BURNER NATURAL GAS

25

090692

FITTING MALE RUN TEE % NPT MALE

076422

PILOT BURNER PROPANE GAS

X 3/8 TUBE COMP X 3/8 TUBE COMP.

73

005516

UNION 3/4 NPT.

26

090693

TUBE PRESSURE GAUGE 3/8 COPPER

74

074842

RELAYSPDT

27

057218

ELBOW 90° 1/4" FPT X 3/8

"

 TUBE COMP.

75

009697

SCREW ROUND HD. #6-32 X 3/8 LG.

28

074595

PRESS. SWITCH 1/4" NPT 9 1/2 PSI

76

074840

BOARD ELECTRICAL COMPONENTS

29

077980

PRESS. SWITCH 1/4" NPT 14-1/2 PSI

77

088240

BUTTON PLUG.

30

091940

FITTING 90 DEG. COMP.

78

086892

TRANSFORMER 120/208/240 VAC 50/60 HZ

1/4 NPT MALE X % TUBE COMP.

79

009696

SCREW ROUND HD. #8-32 X'/2"LG.

31

002665

PLUG PIPE SO. HD. 3/8" NPT

80

088239

GROMMET STRAIN RELIEF

32

004187

VALVE SWING CHECK 1/2" NPT

81

088250

BOX ELECTRICAL COMPONENTS

33

012762

NIPPLE 1/2" NPT X CLOSE

82

088251

COVER-BOX ELECTRICAL

34

013197

BUSHING REDUCING 3/4" X 1/2" NPT

83

001696

CORD GRIP 45°

35

040765

TEE REDUCING 1/2 X 1/2 X 3/8"

84

004185

ELBOW 90° STREET 1/2" NPT

36

061468

ELBOW 90° UNION 1/2 NPT

85

005495

ELBOW 90° UNION 1/2" NPT

37

084787

VALVE SOLENOID WATER FEED

86

008227

NIPPLE 1/2" NPT X 3-1/2"LONG

38

086887

BUSHING REDUCING 3/4" X 1/4" NPT

87

008569

NIPPLE 1/2" NPT X 4-1/2" LONG

39

086889

ELBOW 1/2 NPT 90° STREET

88

086894

HOSE CONNECTOR 1/2 NPT X 3/4 I.D

40

005101

VACUUM BREAKER 1/2" NPT

89

086843

RELAY TIME DELAY

41

007378

TUBING 1/4" O.D. X 30" LONG

90

084762

FUSE 3.2 AMP

42

012849

VALVE ANGLESNPT

91

045750

SEALTITE 3/8"

43

086886

TEE SIDE OUTLETS NPT

92

002944

FUSE HOLDER

44

008133

NIPPLE 3/4 NPT X 5" LONG

93

002945

FUSE 3 AMP SC TYPE

45

086896

REDUCING TEE 3/4 X 1 X 1 NPT

94

086890

BOX ENCLOSURE TRANSFOMER

46

086885

BUSHING REDUCING 3/4" X 1/2" NPT

95

086891

COVER BOX ENCLOSE

47

070691

TEE 3/4" X 1/2" X 1/2" NPT

96

076526

WATER LEVEL PROBE

48

074573

TEE 3/4" X 3/4" FPT X 3/4" MPT

97

072230

NIPPLE 1/2 NPT X 1 -1/2 LG. BRASS

Содержание NGB

Страница 1: ...R SMELLS GAS THIS INFORMATION SHALL BE OBTAINED BY CONSULTING YOUR LOCAL GAS SUPPLIER AS A MINIMUM TURN OFF THE GAS AND CALL YOUR LOCAL GAS COMPANY AND YOUR AUTHORIZED SERVICE AGENT EVACUATE ALL PERSO...

Страница 2: ...his unit does not extend to 1 Installation and start up 2 Simple adjustments such as tightening fittings and electrical connections 3 Malfunction as a result of improper maintenance 4 Repairs made by...

Страница 3: ...2 3 4 INITIAL START UP 4 5 OPERATION 5 6 SEQUENCE OF OPERATION 7 WATER CONDITIONING 8 REFERENCES 8 MAINTENANCE CLEANING 9 10 TROUBLESHOOTING 11 12 13 14 PARTS LISTS 5 16 17 18 19 DIAGRAMS SCHEMATICS 2...

Страница 4: ...de 2 Installation of the Gas Steam Generator under a ventilating hood is required Installation of the ventilating hood should comply with local codes and or ANSl NFPA 96 Latest Edition Also the Gas St...

Страница 5: ...less elbows and a length of no more than 6 feet A 2 IPS header is recommended for a drain line with more than 2 elbows or a length greater than 6 feet The header drain must have a gravity flow and ven...

Страница 6: ...d the knob in for 60 seconds allowing the thermocouple to heat up so it will keep the gas valve open d For NGB 2 E Turn the knob on the gas valve to the ON position 5 For NGB or NGB E Push the ON OFF...

Страница 7: ...use If it does not contact your Groen Authorized Service Agent The operating controls for NGB and NGB E are 1 The ON OFF switch on the cabinet front panel This control is used to call for electrical...

Страница 8: ...The red light in the switch will come on and the unit will automatically fill with water When the water level in the gauge glass reaches the full mark the green READY light will come on Push the STAR...

Страница 9: ...pressure rise to 12 PSI the mid range pressure switch will open both the condenser water valve and the blow down valve to decrease the pressure rapidly As steam pressure decreases below 10 1 2 PSI th...

Страница 10: ...d water through a properly maintained softener Exchangeable softener cartridges or a regeneratable softener can be used In either case establish a regular program of exchanging the cartridges or regen...

Страница 11: ...ter level in the steam generator should be between the lines on the level gauge glass 3 The strainers in the drain and feed lines should be cleared 4 Check the burner gas jet primary air inlets They s...

Страница 12: ...lief valve 4 Remove the brass plug from the front of the generator 5 Open the manual drain valve 6 Wash out the inside of the boiler with a water hose The rinse water along with the accumulated solids...

Страница 13: ...Water switch to confirm it is on c That electric power is on Check main circuit breaker or fuse and power supply to the building d Strainer for build up of solids e For a defective water level control...

Страница 14: ...e If not correct inspect wiring f Pressure switch If set too low reset If con tinuity check reveals a defect replace Ref 23 Main burner will not light g Gas valve and replace if defective Ref 10 a Pos...

Страница 15: ...Time delay relay If defective replace Ref 28 c Connections for time delay relay Air vent leaks a Clean or replace vent Ref 4 a Water supply to confirm that it is on and the pressure is 25 to 30 PSI Co...

Страница 16: ...from the receptacle of the control module and reading voltage across the pins of the igniter receptacle Ref 25 If 115 V is not present replace the control module Ref 25 C Model NGB Eonly Glow coil do...

Страница 17: ...3442 RELAY CONTROL 10 49274 VALVE GAS NAT PILOT IGNITION 28 49980 RELAY DELAY 50727 VALVE GAS NAT COIL IGNITION 29 54281 TERMINAL BLOCK 18 TABS 50838 VALVE GAS PROPANE PILOT IGNITION 30 51716 TERMINA...

Страница 18: ......

Страница 19: ...1 4 NPT X 1 1 2 LONG 66 049277B BAFFLE BURNER 22 012747 SYPHON PRESS GA TBE 1 4 NPT 67 050490 BRACKET BURNER SUPPORT 23 013207 TEE 1 4 NPT 68 047267 BURNER ASSY W JETS NATURAL 24 026514 TUBE 3 8 O D x...

Страница 20: ......

Страница 21: ...ALVE GAS 1 2 X 1 2 PROPANE 23 090694 SIPHON PRESSURE SWITCH 71 076423 THERMOCOUPLE 36 LONG 24 090695 SIPHON PRESSURE SWITCH 72 076421 PILOT BURNER NATURAL GAS 25 090692 FITTING MALE RUN TEE NPT MALE 0...

Страница 22: ...For NGB 2 NGB 2 E Made After August 7 1991...

Страница 23: ...Electrical Schematics For NGB 2 made between January 1 1988 and August 7 1991...

Страница 24: ...Electrical Schematics For NGB NGB E made before January 1 1988...

Страница 25: ...Wiring Ladder Diagrams...

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