Midco Blue Flame Series Installation And Service Instructions Manual Download Page 14

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Midco

International

Inc.

8471 34

Figure 6

- Burner Sections - Assembly

4.11"

8.22"

6" Straight

10.47"

8.63"

6.00"

12" Straight

10.47"

8.63"

12.00"

2" Straight

10.47"

8.63"

2.0"

6" Straight with

2" NPT Back Inlet

8.63"

11.38"

6.00"

2" NPT

Inlet

12" Straight with

2" NPT Back Inlet

11.38"

8.63"

6.00"

12.00"

2" NPT

Inlet

Elbow

Section

8.63"

10.47"

6.00"

10.11"

Tee Section

10.47"

8.63"

6.00"

12.00"

12" Straight

6" Straight

12" Straight with

2" NPT Back Inlet

6" Straight with

2" NPT Back Inlet

Ell

Tee

Cast Iron

HMA 2 -1050700

HMA 2A - 1050710
Aluminum

HMA 2 - 1050800

HMA 2A - 1050810

Cast Iron

HMA 2 -1010700

HMA 2A - 1010710
Aluminum

HMA 2 - 1010800

HMA 2A - 1010810

Cast Iron

HMA 2 -1080700

HMA 2A - 1080710
Aluminum

HMA 2 - 1080800

HMA 2A - 1080810

Cast Iron

HMA 2 -1230700

HMA 2A - 1230710
Aluminum

HMA 2 - 1230800

HMA 2A - 1230810

Cast Iron

HMA 2 -1060700

HMA 2A - 1060710
Aluminum

HMA 2 - 1060800

HMA 2A - 1060810

Cast Iron

HMA 2 -1070700

HMA 2A - 1070710
Aluminum

HMA 2 - 1070800

HMA 2A - 1070810

2" Straight

Aluminum

HMA 2A - 1050810

Burner Con

guration

Caution

Under no
circumstances are
the HMA-2 ba

ﬄ

and the HMA-2A
ba

ﬄ

es or castings

to be mixed. For
further details see
service bulletin
# 8449-83.

Caution

Under no
circumstances
should grade
hardware or
Aluminum rivets
be used.

Summary of Contents for Blue Flame Series

Page 1: ...he burner combustion zone the flame is more stable shorter and cleaner permitting the reduction of emissions levels and allowing for higher temperature rise and higher tolerance to varying conditions...

Page 2: ...ation of its products at any time All information is based on laboratory testing Di erent unit size and or configurations may a ect data Cast Iron CI Aluminum AL Burner Configurations HMA 2 HMA 2A HMA...

Page 3: ...lication specific and will vary 0 20 40 60 80 100 120 0 0 0 1 0 2 0 3 0 4 0 5 0 20 40 60 80 100 120 0 0 0 1 0 2 0 3 0 4 0 5 0 20 40 60 80 100 120 0 0 0 1 0 2 0 3 0 4 0 5 NO Emission 2 NO Emission 2 NO...

Page 4: ...er W C BTU hr ft Propane Gas Natural Gas 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100 000 200 000 300 000 400 000 500 000 600 000 700 000 BTU hr ft Propane Gas Natural Gas Manifold Fuel Gas Pressure W...

Page 5: ...ft per ft 2900 7 550 000 19 000 29 1 13 16 20 2550 55 550 000 18 000 30 1 15 19 22 ideal 2300 45 550 000 17 000 32 1 17 20 24 Reduce capacity 4 per each 1000 ft altitude over 2000 ft Flame lengths are...

Page 6: ...ile for a 5 000 SCFM and a 115 degrees temperature rise 1 Required BTU BTU hr Blower SCFM x Desired Temp Rise x 1 08 92 BTU hr 5 000 SCFM x 115 T x1 08 92 675 000 BTU hr 2 Required Burner Length Feet...

Page 7: ...gth of the profile opening add burner length to the desired clearance For the 675 000 BTU hr ft case 12 inch 4 inch 2 inches on each side 16 inch 1 3 ft For the 450 000 BTU hr ft case 18 inch 4 inch 2...

Page 8: ...of any obstructions that can create turbulent e ect on the air Note Any reinforcements around the profile plates should be down stream of the profile plate Static pressure probes are needed to sense t...

Page 9: ...positioning will take advantage of the blower mixing e ect and ensure minimum temperature stratification It will also allow for a relatively uniform airflow across the burner resulting in a clean com...

Page 10: ...ve Manual Pilot Valve Combination Gas Valve with Main Pilot Regulator Main Manual Gas Valve A heater having an input over 400 000 BTU Hr shall have provisions for measuring gas pressure between the va...

Page 11: ...urner o check the Flame Safety Air Proving System a Check the operation of the air proving system for low and high airflow setting Refer to the Specifications of the Flame Safety Control for setup ins...

Page 12: ...l spark to the end of the gas tube 7 Main burner ignition Close the manual gas valve a Set the Modulating Gas Control System to low fire position Slowly open the manual gas valve The flame should be e...

Page 13: ...3 Change the spark rod igniter 4 Insure the flame sensor is in good condition Use a sti wire brush to clean the burner plates Scrub both sides of the stainless steel burner plates to remove any soot o...

Page 14: ...minum HMA 2 1050800 HMA 2A 1050810 Cast Iron HMA 2 1010700 HMA 2A 1010710 Aluminum HMA 2 1010800 HMA 2A 1010810 Cast Iron HMA 2 1080700 HMA 2A 1080710 Aluminum HMA 2 1080800 HMA 2A 1080810 Cast Iron H...

Page 15: ...lot Detail Spark Gap Measurement Brute Pilot UV Scanner Mount 1200350 1 8 Brute Pilot w Spark Rod 1190850 Brute Pilot 1190850 1190850 Spark Rod Flame Rod Brute Pilot 1200350 Spark Rod and UV Brute Pil...

Page 16: ...1 10 24 4 3 11 14 2 13 1 15 12 8 6 7 11 10 9 16 2 Straight 6 Straight 12 Straight Ell Section Tee Section 5 18 3 1 1 11 21 23 19 20 4 25 1 14 6 22 17 6 Figure 8 Typical Burner Assembly Parts Isometric...

Page 17: ...5 35 1 8 HMA 2 2A Tee Ba e 1395 11 1 2 9 Elbow Casting Section See above listing for proper selection 10 Inside Ba e Clamp 1356 10 2 4 11 10 24x9 16 Phillips Rd Hd S S Mach Screw Hardware 2 4 4 8 8 8...

Page 18: ...ce cement is to be applied between the casting and either blank plate pilot plate and end flanges only not between ba es and end plates 2 The hardware listed on instructions A and B applies to each en...

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Midco Blue Flame Series, Installation And Service Instructions Manual

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