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10/12 Copyright Mestek, Inc.

SPMI0M-8

82-0255

Boiler  manual

Installation and operation 
instructions

  Th is manual is intended only for use by a qualifi ed heating installer/technician. Read and follow this manual, all supplements and related 

instructional information provided with the boiler. Install, start and service the boiler only in the sequence and methods given in these 

instructions. Failure to do so can result in severe personal injury, death or substantial property damage.

 

Do not use the boiler during construction.

 Construction dust and particulate, particularly drywall dust, will cause contamination 

of the burner, resulting in possible severe personal injury, death or substantial property damage.  Th e boiler can only be operated with 

a dust-free air supply. Follow the instruction manual procedures to duct air to the boiler air intake. If the boiler has been contaminated 

by operation with contaminated air, follow the instruction manual guidelines to clean, repair or replace the boiler if necessary.

 Affi  x these instructions near to the boiler. Instruct the building owner to retain the instructions for future use by a qualifi ed service 

technician, and to follow all guidelines in the User’s Information Manual.

Finned copper tube
Gas boilers (SB) &
Water heaters (SW)

Summary of Contents for SPECTRUM Series

Page 1: ...dust and particulate particularly drywall dust will cause contamination of the burner resulting in possible severe personal injury death or substantial property damage The boiler can only be operated...

Page 2: ...IV FOR A MAXIMUM ALLOWABLE WORKING PRESSURE OF 160 PSI 1103 kPa WATER INSTALLER THESE INSTRUCTIONS TO BE AFFIXED ADJACENT TO THE HEATER CONSUMER RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE PURPOSES...

Page 3: ...2 18 457 Left Side 6 152 24 609 Right Side 6 152 24 609 Front 6 152 24 609 Flue 6 152 6 152 2 Anoptimumsitewillbelevel centraltothepipingsystem close toachimneyandhaveadequatefreshairforcombustion Ens...

Page 4: ...o less than 100 in2 64 516 mm2 in size The upper opening must be within 12 in 305 mm of but not less than 3 in 76 mm from the top of the enclosure The bottom opening must be within 12 in 305 mm of but...

Page 5: ...part of the boiler s draft hood This includes the removal or alteration of any baffles Neverinstallaventpipeofadiameterdifferent than that of the boiler draft hood flue collar Failure to comply with...

Page 6: ...ing after 5 minutes of main burner operation Use the flame of a match or candle or smoke from a cigarette cigar or pipe Faire fonctionner le br leur principal pendant 5 min ensuite d terminersilecoupe...

Page 7: ...Finned copper tube gas boilers water heaters Boiler Manual 7 F F Figure 1 Vertical Venting with a Metal Chimney System and Inside Air Figure 2 Vertical Venting using a Metal Chimney and Inside Air 10...

Page 8: ...f high water flowrates seeTable7or8 Returnwatertemperatures below 110 F 43 C will result in heat exchanger damage from excessive condensation voiding the manufacturer s warranty see Primary Secondary...

Page 9: ...stem pressure of 12 psig 82 7 kPa must be maintained Heating Boiler Piping Connections The supply and return connections should be sized to suit the system see Table 6 Table 6 Supply and Return Pipe S...

Page 10: ...19 4 1 20 1 2 3 4 400 33 2 3 54 2 1 10 4 22 1 1 70 1 4 4 9 Note Unit equipped with 2 pass headers see Table 7 Flow exceeds recommended maximum use a greater temperature rise or consult manufacturer Cu...

Page 11: ...ested piping configuration and valving Check with local codes and ordinances for specific requirements NOTES 1 Boiler circuit piping must be sized large enough to handle maximum flow through unit 2 Bo...

Page 12: ...ess than Temp Min slowly close valve B until T1 climbs to desired operating temperature above Temp Min 3 If T1 is greater than desired operating temperature slowly close valve A to adjust to lower des...

Page 13: ...g Requirements Ensurethatthewaterheaterisequippedwithbronzeheaders Piping and components connected to the water heater must be suitable for use with potable water The water heater must not be connecte...

Page 14: ...condensation of the products of combustion will damage the water heater voiding the warranty The method outlined below can be employed to prevent this condition from occurring A balancing valve shoul...

Page 15: ...Fi d b b il h B il M l Finned copper tube gas boilers water heaters Boiler Manual 15 F F Table 9A Spectrum Heat Exchanger Selection Graph Table 9B Spectrum Pumping Performance Requirement Table...

Page 16: ...making selection 6 Common piping must be sized for maximum combined heater flow 7 Hot water tanks should be equipped with a combination temperature pressure relief valve 8 MA Code requires an 1 8 in...

Page 17: ...ss and a 0 3 WC pressure drop Nominal Iron Pipe Size Pipe length in feet 10 20 30 40 50 60 80 100 150 Maximum gas volume of pipe ft3 hr 3 4 278 190 152 130 115 105 90 79 64 1 520 350 285 245 215 195 1...

Page 18: ...isher must be installed to prevent increase creep of gas pressure when the units are not operating This pressure regulator suppliedbyothers maybeinstalledattheserviceentrance to each unit or a master...

Page 19: ...g If a make up water pump is used adjust to maintain a minimum 12 psig 82 7 kPa system pressure Open the system bleed and drain valves one at a time to purge the air trapped in the heating system pipi...

Page 20: ...ntrol access panel 6 Push in gas control knob slightly and turn clockwise to OFF 7 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B i...

Page 21: ...tional 1000 ft 305 m Check the input rate as follows 1 Turn off all other gas appliances that use the same gas meter as the boiler water heater 2 Call your gas supplier and ask for the heating value o...

Page 22: ...fectu s par un installateur ou un service d entretien qualifi ou le foumisseur de gaz qui doivent avoir lu les in structions foumies avant de faire l installation l entretien ou l enl vement de la cha...

Page 23: ...3 Right Top 4 Left Bottom 5 Left Top 6 Right Bottom Heat Exchanger Replacement 1 Sagging or distorted heat exchanger tubes are an indication of low water flow through the system 2 A damaged heat exch...

Page 24: ...Fi d b b il h B il M l Finned copper tube gas boilers water heaters Boiler Manual 24 F F Figure 14 Replacement Parts REPAIR PARTS...

Page 25: ...0 1244 1 70 1245 1 70 1246 1 Combustion Chamber Rear Panel 03 0886 1 03 0887 1 03 0888 1 03 0889 1 03 0890 1 03 0891 1 03 0892 1 Combustion Chamber Front Panel 03 0894 1 03 0895 1 03 0896 1 03 0897 1...

Page 26: ...330 1 70 1331 1 70 1332 1 70 1333 1 Burner Drawer Assembly NG Intermittent Pilot 70 1341 1 2 Stage 70 1342 1 70 1343 1 70 1344 1 70 1345 1 70 1346 1 70 1347 1 Burner Drawer Assembly LP Intermittent Pi...

Page 27: ...0725 1 11 Jacket Left Side Panel 03 0774 1 1 1 1 1 1 1 12 Jacket Right Side Panel 03 0775 1 1 1 1 1 1 1 13 Jacket Front Panel 03 0767 1 03 0768 1 03 0769 1 03 0770 1 03 0771 1 03 0772 1 03 0773 1 14...

Page 28: ...turn Headers 06 0001 16 16 16 16 16 16 16 NS Nut Inlet Outlet Return Headers 57 0492 12 12 12 12 12 12 12 NS Stud Inlet Outlet Return Headers 57 0220 12 12 12 12 12 12 12 21 Inlet Outlet Header Cast I...

Page 29: ...4 1 1 1 Ignition Module S8610M SW 2 Stage 16 0054 1 1 1 1 1 1 1 31 Transformer 50 VA 15 0007 1 1 1 1 1 1 1 NS High Limit EMf 1 SB 14 0118 1 1 1 High Limit EMF 5 SB 14 0009 1 1 1 1 High Limit EMf 1 SW...

Page 30: ...10 0037 2 3 4 5 6 7 8 Orifice 34 6 000 ft 7 999 ft NG 10 0043 2 3 4 5 6 7 8 Orifice 47 LP 10 0038 2 3 4 5 6 7 8 Orifice 49 2 000 ft 3 999 ft LP 10 0040 2 3 4 5 6 7 8 Orifice 50 4 000 ft 5 999 ft LP 10...

Page 31: ...erminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUC...

Page 32: ...the manufacturer s warranty Excessive pitting and erosion on the inside of the heat exchanger tubes caused by high water velocity through the tubes and is not covered by the manufacturer s warranty Se...

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