Vapor Power STR, Instruction Manual

Page 1: ...Page 1 of 18 Vapor Power International LLC 551 S County Line Road Franklin Park Il 60115 Phone 630 694 5500 Fax 630 694 2230 Instruction Manual STR MODEL RESISTO FLO ELECTRIC BOILER...

Page 2: ...compact packaged unit requiring a minimum of electrical and plumbing connections at the jobsite When installed according to these instruction the boiler will provide years of reliable low maintenance...

Page 3: ...lation drawing and also that it is in accordance with the minimum spacing specified on the UL label if provided CAUTION ALL BOILERS EXCEPT MODELS STR 1638 THRU 1654 ARE TO BE MOUNTED ON NONCOMBUSTIBLE...

Page 4: ...Minimum thermal clearances should be maintained If the boiler is UL listed minimum clearances will be indicated on the UL Label Otherwise consult local codes and use good engineering judgement CAUTIO...

Page 5: ...NDED THAT ALL PIPING BE CHECKED FOR LEAKS BEFORE INSULATING 2 2 WATER SUPPLY AND CONDENSATE RETURN If a direct water feed is used ie no condensate return the main water supply must have a pressure at...

Page 6: ...ITATE DRAINING THE BOILER BY GRAVITY IE WITHOUT BOILER PRESSURE 2 3 1 SURFACE BLOWDOWN If the boiler is supplied with an automatic surface blow down valve pipe to a point common with the bottom blowdo...

Page 7: ...which must swing freely and point to the index mark on the case 2 7 HYDRO TEST Good practice as well as most local codes dictates that a hydro static test at a pressure equal to the safety valve setti...

Page 8: ...ple conductors per phase be certain that phasing is correct and that circuits are not mixed before energizing the boiler 3 2 GROUNDING Connect an equipment ground minimum copper wire size is indicated...

Page 9: ...such materials must be removed from the boiler prior to start up D All power wiring connections should be checked to assure tight connections NOTE HYDRO STEAM INDUSTRIES AS MANUFACTURER OF THIS BOILER...

Page 10: ...e vendor supplied literature provided at the rear of this manual 4 2 2 Pressure Control Boilers supplied with one or more non proportioning pressure controls Smaller STR boilers are provided with one...

Page 11: ...customer s 120V branch circuit power switch if a control circuit transformer is provided remove both the primary and secondary fuses and jump a 120V power supply to the secondary of the control transf...

Page 12: ...water prior to their addition to the boiler The boil out can be accomplished per the following procedure 1 Remove all tools rags etc from the boiler 2 Remove steam outlet piping 3 Fill boiler to just...

Page 13: ...establish a load on the boiler Individually check each element circuit to assure that each leg is drawing its rated current NOTE SOME POWER FUSES MAY BLOW AT STARTING DUE TO WATER OR OTHER CONTAMINATI...

Page 14: ...all circuits draw rated current no element tests are required If element failure is suspected the elements should be checked individually with an ohmmeter Grounded elements may require a Megger for d...

Page 15: ...r to the boiler 2 Drain boiler below level of flange containing defective element 3 Number and tag element wires and terminals to assure proper reassembly 4 Disconnect element wires to the flange 5 Re...

Page 16: ...NT FLANGE ELEMENT TIGHTEN 70 FT LBS MAX BRASS 110 FT LBS MAX S S TIGHTEN ENOUGH TO BULGE RUBBER SEAT IN FLANGE 5 3 4 Probes Level probes should be periodically checked If there is any seepage between...

Page 17: ...Page 17 of 18 Vapor Power International LLC 551 S County Line Road Franklin Park Il 60115 Phone 630 694 5500 Fax 630 694 2230...

Page 18: ...Page 18 of 18 Vapor Power International LLC 551 S County Line Road Franklin Park Il 60115 Phone 630 694 5500 Fax 630 694 2230...