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M

ANUFACTURERS

OF 

H

YDRONIC

H

EATING

P

RODUCTS

Unit Heaters 

Installation and Operation Manual 

www.sigmaproducts.com  Tel: (905) 453-0446   Fax: (905) 453-0675 

Rev 2 

Summary of Contents for 30-H

Page 1: ...MANUFACTURERS OF HYDRONIC HEATING PRODUCTS Unit Heaters Installation and Operation Manual www sigmaproducts com Tel 905 453 0446 Fax 905 453 0675 Rev 2...

Page 2: ...y to provide any scaffolding or other apparatus to allow service or periodic maintenance to this equipment INSTALLATION Unit Heaters Installation Operation Manual 1 www sigmaproducts com Tel 905 453 0...

Page 3: ...kept clean and free of foreign substances such as excessive joint materials etc For steam systems it is recommended that the unit be mounted level for proper condensate drainage Swing joints should b...

Page 4: ...s where constant water circulation is used on the pain system A louvered cone air diffuser is available as an optional accessory for vertical unit heaters MAINTENTANCE Motor Lubrication Standard motor...

Page 5: ...an guard motor frame and fan bolts Check the fan for clearance in the panel orifice and free rotation The heater system should be checked once per year by a qualified technician All maintenance and se...

Page 6: ...7 50 15 5 0 50 40 9 18 23 40 H 1 22 13 5 4 75 8 7 50 15 5 1 25 40 10 23 29 47 H 2 27 16 5 5 00 8 5 7 75 16 25 1 25 48 10 23 29 58 H 2 27 16 5 5 00 8 5 9 50 18 0 1 25 48 10 28 35 62 H 2 31 5 19 5 5 62...

Page 7: ...13 625 3 375 V 44 125 30 4 125 2 2 5 1 2 13 UNC 3 9 125 3 480 V 44 125 30 4 125 2 2 5 1 2 13 UNC 3 13 625 3 DIMENSIONS IN MAX MTG HT FT MODEL K L M N P R S WT LB WITHOUT LOUVER WITH LOUVER 40 V 3 11 5...

Page 8: ...FIGURE 4 TYPICAL PIPING CONNECTIONS Unit Heaters Installation Operation Manual 7 www sigmaproducts com Tel 905 453 0446 Fax 905 453 0675 Rev 2...

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