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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 or type of gas.

ITEM

PART

ITEM

PART

NO.

NO.

DESCRIPTION

NO.

NO.

DESCRIPTION

1

000624

BUSHING REDUCING HEX. 1" x 3/4" NPT

46

065903

BUSHING REDUCING 3/4" x ½ NPT

2

002647

BUSHING REDUCING 1 /2" x 1" NPT

47

070691 TEE3/4"x1/2"x1/2"NPT

3

005539

NIPPLE 1" NPT x 2" LONG

48

074573 TEE 3/4" x 3/4" FPT x 3/4" MPT

4

005600

NIPPLE 1/2" NPT x 12" LONG

49

077976 TEE 3/4" x 3/8" x 3/4" NPT

5

008229

NIPPLE 3/4" NPT x 4" LONG

50

077977 NIPPLE 3/4" NPT x 7" LONG

6

008347

ELBOW 90° STREET 3/4" NPT

51

078617

RELIEF VALVE 3/4" 12 PSI

7

008506

PLUG PIPE SQ. HD. 1/2- NPT

52

084098

VENT-AIR 3/8" NPT

8

008507

PLUG PIPE SQ.HD.1" NPT

53

074849 FLUE STACK

9

008877

NIPPLE 1 /2" NPT x CLOSE

54

074850 BRACKET TOP FLUE STACK

10

009883

VALVE BALL 3/4" NPT S.S.

55

074851 BRACKET SIDE FLUE STACK

11

012791

ELBOW 45° STREET 1 /2" NPT

56

005445 NUT-HEX 1/4—20

12

026254

TEE 1" NPT SIDE OUTLET STEAMER

57

008072 NUT-HEX 1/4"-20

13

026452

NIPPLE 1/2" NPTx6-1/2" LONG

58

077985

SNAP-ACTION THERMOSTAT

14

049429

CONNECTOR MALE 1 /2" NPT x 1/4 TUBE COM.

59

071915

PLUG PIPE 1" NPT

15

074594

VALVE OLENOID 1 /2" NPTF

60

071534 SIGHT GLASS

16

077905

NIPPLE 3/4" NPT x 25" LONG

61

078000

PRESSURE GAUGE

17

077974

TEE SIDE OUTLET 1/2" NPT

62

077984

SWITCH ON/OFF

18

005126

UNION 1/4'NPT

63

077983

SWITCH MOMENTARY

19

005675

NIPPLE 1

1V

 NPT x 2" LONG

64

008639 SAFETY VALVE 15 PSI

20

005682

ELBOW 90° 1/4" NPT

65

056965

FLAME HOLDER

21

008337

NIPPLE 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 11" LONG

68A

050491

BURNER ASSY. W/JETS PROPANE

25

041508

NIPPLE 1

1V

 NPT x 3" LONG

69

054203 BRACKET PILOT MTG.

26

051766

ELBOW 90° STREET 1

1V

 NPT

70

077973

VALVE GAS 1 /2" x 1 /2" NATURAL

27

057218

ELBOW 90° 1

1V

 FPT x 3/8" TUBE COMP.

70A

082908

VALVE GAS 1/2"x 1/2" PROPANE

28

.074595

PRESS SWITCH 1/4-NPT 9-1/2 PSI

71

076423

THERMOCOUPLE 36" LONG

29

077980

PRESS SWITCH 1/4" NPT 14-1/2 PSI

72

076421

PILOT BURNER NATURAL GAS

30

078623

ELBOW 90° 1

1V

 MPT x 3/8" TUBE COMP.

72A

076422

PILOT BURNER PROPANE GAS

31

002665

PLUG PIPE SQ. HD. 3/8" NPT

73

078618 INSULATION BLOCK

32

004187

VALVE SWING CHECK 1/2" NPT

74

074842

RELAY SPDT

33

012762

NIPPLE 1 /2" NPT x CLOSE

75

009697

SCREW ROUND HD. 

#6-32

 x 3/8" LG.

34

013197

BUSHING REDUCING 3/4' x 1/2" NPT

76

074840

BOARD ELECTRICAL COMPONENTS

35

040765

TEE REDUCING 1/2x1/2x3/8" NPT

77

011045 SCREW ROUND HD. 

#6-32

 x 1/2" LG.

36

061468

ELBOW 90° UNION 1/2" NPT

78

074839

TRANSFORMER 120/208/240 VAC 50/60 Hz

37

077975

VALVE SOLENOID WATER FEED

79

011033 SCREW ROUND HD. #8-32 x 3/8" LG.

38

003458

BUSHING REDUCING 3/4" x 1 /4" NPT

80.

059931 SCREW THUMB #8-32 x 3/8" LONG

39

004306

NIPPLE 1/2" NPTXCLOSE

81

074596 BOX ELECTRICAL COMPONENTS

40

005101

VACUUM BREAKER 1/2" NPT

82

074597 COVER-BOX ELECTRICAL

41

007378

TUBING 1

1V

 O.D. x 28" LONG

83

009197 CORD GRIP 1 /2" NPT 5/16--3/8"

42

012849

VALVE ANGLE 1/2" NPT

84

004185

ELBOW 90° STREET 1 /2" NPT

43

013648

NIPPLE 3/4" NPT x CLOSE

85

005495

ELBOW 90° UNION 1 /2" NPT

44

013655

TEE 3/4" NPT

86

008227

NIPPLE 1/2"NPTx3-1/2"LONG

45

049296

ELBOW 1/4 MPT x 1/4 TUBE

87

008569 NIPPLE 1/2-NPTx4-1/2"LONG

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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