Instruction/ maintenance manual of the product 28HE Smith Cast Iron Boilers
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SERIES 28HE GAS OR OIL BOILER INST ALLA TION & OPERA TING INSTR UCTIONS DESIGNED AND TESTED A CCORDING T O A.S.M.E. BOILER AND PRESSURE VESSEL CODE, SECTION IV FOR A MAXIMUM ALLO W ABLE WORKING PRESSURE OF: 15 PSI STEAM OR 80 PSI W A TER.
Page 2 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS CONTENTS Bef ore Y ou Star t ................................................. page 2 Boiler Ratings & Capacities ................................ page 2 Boiler Location .......
Page 3 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 1 -Service Clearances to Adjacent Construction W ARNING: Never install a 28HE boiler on top of combustib le flooring without consulting the local building authorities f or proper installation guidelines! A minimum c learance of 6 in, 0.
Page 4 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS All Air From Inside The Buidling If the boiler is to be located in a confined space mini- mum clearances of 24 in , 610 mm must be maintained between the boiler and any adjacent construction.
Page 5 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Chimney Inspection & Sizing If this boiler will be connected to a masonr y chimney , a thorough inspection of the chimney m ust be perf or med. Ensure that the chimney is clean, properly constructed, lined and properly sized, see Figure 2.
Page 6 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS W ARNING: Failure to maintain minimum clearances between vent connector s and any combustib le material can result in a fire causi.
Page 7 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS c) Insof ar as is practical, close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building.
Page 8 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS 2 . Carefully place the back section in position on the angles as shown in Figure 4.
Page 9 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS 5 . Inser t the large por t connector with its steel inner ring into the upper port. 6 . Inser t the two round por t connectors into the lower por ts. NO TE: Appl y the spra y adhesive supplied with the boiler to the port recess to hold the por t connector in place if necessary .
Page 10 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS 9 . Assemble the rest of the sections f ollowing steps 3 through 8 abov e. 1 0 . Hydrostatically test the boiler by f ollowing the instructions on page 8. 11. While the boiler is being filled confirm that all of the draw r ods are properly tor qued and that there are no leaks.
Page 11 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Observation P or t Assembl y , Figure 10 1 . P osition the hinged end of the steel flapper door , item 5, ov er the boss on the obser vation por t cov er , item 4. 2 . Drive the e xpansion pin, item 7, through the hinge bosses to secure the door to the cov er .
Page 12 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Observation P or t Installation 1 . Screw the f our 5/16-18 x 1 1/2" studs into the tapped holes around the obser vation co v er opening in the back section. 2 . Place the obser vation por t cov er assembly ov er the studs and install the washers and nuts .
Page 13 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS T ankless Heater Installation - Optional 1 . Clean the heater flange to remove an y r ust or debris. 2 . Install the f our 7/16" x 1 1/2" studs into the tapped holes in the tankless heater flange on the section, Figure 12.
Page 14 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 15 - Back Section T apping Locations T able 5 - Water & Steam T appings Relief & Safety V alve Piping Install the pressure relief or safety v alve in the 3" NPT opening in the top of the back section, Figure 14.
Page 15 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 16 - Relief & Safel y V alve Piping W A TER BOILER PIPING The supply and retur n connections should be sized to suit the system, see Figures 14, 15, 17, 18 and T ables 5 & 6.
Page 16 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 17 - Optional Return Y oke Figure 18 - Boiler Contr ol Locations Piping For Use With Cooling Units The boiler , when used in connection with a refr igeration system, must be installed so the chilled medium is piped in parallel with the boiler .
Page 17 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 19 - T ypical Single W ater Boiler Piping Figure 20 - T ypical Multiple W ater Boiler Piping.
Page 18 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 21 - Chilled Medium Diagram Cleaning of Water Boiler s Nor mally the cleaning of water boilers is unnecessary unless there is unusually hea vy contamination of the boiler or system.
Page 19 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Minimum F eed W ater Condensate Receiver Boiler I=B=R Gross Output Ev aporation Rate Pumping Rate Capacity Model MBH kW GPM L/hr GPM L/hr Gallons Liters 28HE-S-4 900 264 1.9 7.3 3.
Page 20 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 23 - T ypical Steam Piping - Gravity Return f or Multiple Boilers Figure 24 - T ypical Steam Piping - Pumped Return f or M.
Page 21 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS CA UTION: A v oid skin contact with c leaning solution to prevent injury! If e y e or skin contact occur s flush with large quantities of water . NO TE: Some locations do not allo w this solution to be used.
Page 22 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS W ater Boilers Fill the boiler and all of the radiation with water to the required system pressure.
Page 23 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS CA UTION: If the flue gas temperature exiting the smoke hood is less than 320 ° F, 160 ° C at full rated input, the number of heat transfer r ods in the boiler must be reduced.
Page 24 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS BOILER MAINTENANCE W ARNING: Servicing, inspection and adjustment of the boiler must be done b y a trained technician in accor dance with all applicable local and national codes.
Page 25 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS Figure 26 - Boiler Assembl y.
Page 26 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS (1) Smokehood assemb ly includes the smokehood, slide damper , angle brack et and hardware. (2) Cleanout cov er assembly includes the cleanout co v er , insulation, rope and mounting hardware.
Page 27 SERIES 28HE BOILER INST ALLA TION AND OPERA TION INSTR UCTIONS 33 Obser vation Glass Co ver Plate 3420 1 11111111111111 ns Rear Observation P ort Hardware 71301 1 1 1 1 1 1 111111111 Burner Mo.
dizziness headaches nausea vision problems loss of muscle control weakness shortness of breath unclear thinking unconsciousness W ARNING Any appliance that burns natural gas, propane gas, fuel oil, wood or coal is capable of producing carbon monoxide (CO).
An important point after buying a device Smith Cast Iron Boilers 28HE (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Smith Cast Iron Boilers 28HE yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Smith Cast Iron Boilers 28HE - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Smith Cast Iron Boilers 28HE you will learn all the available features of the product, as well as information on its operation. The information that you get Smith Cast Iron Boilers 28HE will certainly help you make a decision on the purchase.
If you already are a holder of Smith Cast Iron Boilers 28HE, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Smith Cast Iron Boilers 28HE.
However, one of the most important roles played by the user manual is to help in solving problems with Smith Cast Iron Boilers 28HE. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Smith Cast Iron Boilers 28HE along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
