Union Steam GWI Instructions d'exploitation

Part Number 550-110-728/0703Contents Page 1 Prepare boiler location ... 2 2 Prepare boiler ...

GWI Gas-Fired Water Boilers – Boiler Manual10 Part Number 550-110-728/0703Direct exhaust venting continued1. Locate the boiler and vent penetration th

11Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualDirect exhaust venting continued3 Vent installation continuedFigure 6 Vertica

GWI Gas-Fired Water Boilers – Boiler Manual12 Part Number 550-110-728/0703Direct exhaust venting continuedFigure 8 Sidewall vent termination options a

13Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualExpansion tankDiaphragm- or bladder-type expansion tank — Figure 9,page 141.

GWI Gas-Fired Water Boilers – Boiler Manual14 Part Number 550-110-728/0703Water piping — refrigeration systemsPrevent chilled water from entering boil

15Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualFigure 12 System bypass piping in boiler loop withseparate system circulator,

GWI Gas-Fired Water Boilers – Boiler Manual16 Part Number 550-110-728/0703Figure 14 Gas supply pipingTable 7 Pipe capacity for 0.60 specific gravity n

17Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualFor your safety, turn off electrical power supply atservice entrance panel be

GWI Gas-Fired Water Boilers – Boiler Manual18 Part Number 550-110-728/0703Check for gas leaksBefore starting the boiler, and during initial operation,

19Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualCheck burner flame — Pilot burnerProper pilot flame (see Figure 16):1. Blue f

GWI Gas-Fired Water Boilers – Boiler Manual2 Part Number 550-110-728/0703Installations must follow these codes:• Local, state, provincial, and nationa

GWI Gas-Fired Water Boilers – Boiler Manual20 Part Number 550-110-728/0703Boiler model _______________________________________________________________

21Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualFollow all procedures given in this manual and“Operating Instructions” when o

GWI Gas-Fired Water Boilers – Boiler Manual22 Part Number 550-110-728/0703Figure 18 Wiring diagram — GWI boilers9 Sequence of operation continued

23Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual10 Operating instructionsFOR YOUR SAFETY READ BEFORE OPERATINGIf you do not f

GWI Gas-Fired Water Boilers – Boiler Manual24 Part Number 550-110-728/0703The boiler should be inspected and started annually, at the beginning of the

25Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual11 Service and maintenance continuedThe boiler contains ceramic fiber and fib

GWI Gas-Fired Water Boilers – Boiler Manual26 Part Number 550-110-728/070311 Service and maintenance continuedInducer motor1. With boiler power OFF, p

27Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual❏❏❏❏❏ Check/test❏❏❏❏❏ Review with owner1. Review the User’s Information Manua

GWI Gas-Fired Water Boilers – Boiler Manual28 Part Number 550-110-728/070312 TroubleshootingFigure 19 Checking pressure switchLabel all wires prior to

29Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual12 Troubleshooting continued

3Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual1 Prepare boiler location continuedService clearances1. Provide minimum cleara

GWI Gas-Fired Water Boilers – Boiler Manual30 Part Number 550-110-728/070312 Troubleshooting continued CHART 3 No spark — System does not operate

31Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual12 Troubleshooting continued

GWI Gas-Fired Water Boilers – Boiler Manual32 Part Number 550-110-728/070312 Troubleshooting continued

33Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualFigure 20 Section assembly, flue collector, draft hood and vent damper13 Repl

GWI Gas-Fired Water Boilers – Boiler Manual34 Part Number 550-110-728/0703Figure 21 Base assembly, manifold, orifices and burners13 Replacement parts

35Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualFigure 22 Jacket assembly13 Replacement parts continuedThe boiler contains ce

GWI Gas-Fired Water Boilers – Boiler Manual36 Part Number 550-110-728/0703Figure 23 Trim assembly13 Replacement parts continued

37Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualFigure 24 Gas control assembly13 Replacement parts continued

GWI Gas-Fired Water Boilers – Boiler Manual38 Part Number 550-110-728/0703Figure 25 Dimensional drawing — ALL DIMENSIONS IN INCHES14 DimensionsBoilerm

39Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual15 RatingsDOENotes1. See information at right for model number suffixes.2. Ba

GWI Gas-Fired Water Boilers – Boiler Manual4 Part Number 550-110-728/07031 Prepare boiler location continuedFailure to follow all instructions can res

GWI Gas-Fired Water Boilers – Boiler Manual40 Part Number 550-110-728/0703W-T8201 W. Calumet Rd.Milwaukee, WI 53223REMOVAL OF COMBUSTION CHAMBER LININ

5Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualTable 2 Corrosive contaminants and likely locationsTo prevent potential of sev

GWI Gas-Fired Water Boilers – Boiler Manual6 Part Number 550-110-728/07031 Prepare boiler location continuedExhaust fans and air moversThe appliance s

7Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler ManualPerform hydrostatic pressure testPressure test boiler before attaching water o

GWI Gas-Fired Water Boilers – Boiler Manual8 Part Number 550-110-728/07033 Vent installation continuedChimney draft ventingInspect existing chimney be

9Part Number 550-110-728/0703GWI Gas-Fired Water Boilers – Boiler Manual3 Vent installation continuedDirect exhaust ventingObtain vent system componen