Weil-McLain Boiler manuals

Weil mclain Boiler User Manual (44 pages)

Brand: Weil-mclain | Category: Water heaters & boilers | Size: 2.94 MB |

English

Table of contents

Boiler Manual

1

Hazard deﬁnitions

2

Using this manual

2

Contents

3

Please read before proceeding

4

Routine maintenance schedule

5

Operation

6

Troubleshooting

7

Before installing boiler

8

Install burner — all boilers

15

Connect breeching

16

Connect breeching (continued)

17

Connect water piping

18

Connect wiring

22

Connect wiring (continued)

23

Connect wiring —

25

Connect oil piping

26

Start-up

27

Check-out procedure

28

Annual service check list

29

Detailed service procedures

30

Close clearance installation

32

Replacement parts

34

Replacement parts (continued)

35

Dimensions

40

Dimensions (continued)

41

Weil mclain Boiler Technical Information (96 pages)

Brand: Weil-mclain | Category: Water heaters & boilers | Size: 3.79 MB |

English

Table of contents

Boiler manual

1

How it works . .

2

3Part number 550-141-850/0699

3

Please read before proceeding

4

Contents

6

Overview of this section

8

Installations must

9

High altitude

9

Clearance options:

10

Flooring and foundation

11

Vent system

12

Vent termination and

12

When removing a boiler

12

Air contamination

13

GV combustion air options

14

Sizing air openings

14

GV with other appliances

14

Single air opening option

14

GV without other appliances

14

Special considerations

15

Prepare boiler — overview

16

(cont.)

17

Check for correct

18

White side (propane plate)

19

(Install with this side

19

Gas/air manifold

19

Jacket left

21

Interior panel

21

(2) 10-32 x 3/8"

21

Phillips/hex screws

21

Position boiler

22

Perform hydrostatic pressure

24

To fill/drain

25

Water piping — overviewIIIa

26

Water piping — relief valve

27

Air separator

28

Expansion tank

28

Backflow preventer

28

To cold fill

29

1 1"

30

2 – 3 1½"

30

4 – 5 2"

30

6 – 8 2½"

30

9 – 12 3"

30

Baseboard system piping

31

Radiator system piping

32

GV Boiler

33

12"

33

Multi-zone radiant heating

34

Outdoor reset control

34

Piping snow melt systems or

35

Water chiller systems

36

Venting and combustion airIV

37

Gas pipingV

38

Manifold

39

Field wiringVI

40

Field wiring

41

Factory wiring

41

Start-up — overviewVIIa

42

Start-up — preparationVIIb

42

(cont.)VIIb

43

Verify gas/air orifice plate

43

Check for gas leaks

43

Fill the system with water

43

Inspect system water piping

43

Perform final checks before

44

Start the boiler

44

Check system and boiler

44

Observation port

45

Connect and adjust manometer

46

Check Gas Control Set Point

46

At Least

47

6 Inches

47

IIc to check size

48

VIId, step 5

48

Field wiring, manual

49

Thermostat(s)

49

POWER and FLAME lights

49

GCM lights, see

50

X, Troubleshooting

50

Operation — sequenceIXb

51

Ladder diagram legend

52

Selector arm

54

Position

55

Gas control knob

55

Service and maintenance

56

Service technician

57

Owner maintenance

57

Annual start-up only

58

Annual start-up —

58

(cont.)Xc

60

Condensate drain line

63

(cont.)Xd

64

Overview of this

66

Check switch pressure setting

68

Return to normal operation

68

Blower Housing

69

Gas Valve

69

Control Module

70

120 VAC H

71

120 VAC N

71

— Troubleshooting

74

Figure 34, Item 4

75

(continued)XIg

76

PRES SWITCH & POWER

77

Figure 34, Item

81

Description Model Weil-McLain

84

Figure 35 Section assembly

85

Figure 36 Jacket assembly

87

Vent starter

89

Description Weil-McLain

90

Figure 38 Trim assembly

91

Figure 39 Interior panel

93

Dimensions and ratingsXIII

94

Table 12 Boiler ratings

95

Weil-McLain

96

500 Blaine Street

96

Michigan City, IN 46360-2388

96

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