Weil-McLain Boiler Technical Information Page 3
- Page / 96
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- 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 with other appliances 14
- Single air opening option 14
- GV without other appliances 14
- GV combustion air options 14
- Sizing air openings 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
- POWER and FLAME lights 49
- Field wiring, manual 49
- Thermostat(s) 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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