Viessmann CM2-400 Technical Data Manual Download Page 4 | Manualshive

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5773 596 v1.0

Vitocrossal 200, CM2-400, -500 and -620 Technical Data

Product Information

Cutaway Section

Legend

A

Stainless steel Inox-Crossal heat exchanger

B

Highly effective thermal insulation

C

Water-cooled stainless steel combustion chamber

D

Wide water passageways - good natural circulation

E

Modulating MatriX cylinder burner

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Summary of Contents for CM2-400

Page 1: ...ng boiler with pre mix modulating cylinder burner for natural gas or liquid propane gas with Inox Crossal heat exchanger made of high grade SA 240 316 Ti stainless steel For operation without low limit on boiler return water temperature For closed loop hot water heating systems with maximum supply water temperatures of 210 F 99 C for a maximum operating pressure of 75 psig Heating input 1445 to 22...

Page 2: ...nd elimination of wiring mistakes with Viessmann pre wired plug in system Heating boiler heating system control domestic hot water storage tank and all other Viessmann system technology components are coordinated to one another All components are design matched for quick installation Pre mix cylinder burner for environmentally friendly operation with a modulation range from 20 to 100 All hydronic ...

Page 3: ... A Supply return temperature of 176 140 F 80 60 C B Supply return temperature of 158 122 F 70 50 C C Supply return temperature of 140 104 F 60 40 C D Supply return temperature of 122 86 F 50 30 C E Supply return temperature of 104 68 F 40 20 C Flue gas temperature as a function of average partial load firings ...

Page 4: ...ta Product Information Cutaway Section Legend A Stainless steel Inox Crossal heat exchanger B Highly effective thermal insulation C Water cooled stainless steel combustion chamber D Wide water passageways good natural circulation E Modulating MatriX cylinder burner ...

Page 5: ...1078 1078 1128 Overall height a in 655 8 655 8 68c including control unit 2 mm 1666 1666 1748 Concrete boiler base Length in 465 8 53 58 mm 1185 1345 1475 Width in 42 5 42 5 44 5 mm 1245 1245 1295 Thickness in 4 4 4 mm 100 100 100 Weight Boiler body lb 1136 1257 1488 Kg 515 570 675 Complete with the burner control lb 1495 1662 1929 and thermal insulation Kg 678 754 875 Note For high altitude insta...

Page 6: ...n 10 10 10 mm 252 252 252 Flue Gas Values temperature at a return temperature of 86 F 30 C at rated input F 113 113 113 C 45 45 45 at partial load F 86 86 86 C 30 30 30 Temperature at a return temperature of 140 F 60 C at rated input F 167 167 167 C 75 75 75 Mass flow rate of flue gas at rated input lbs h 1276 1587 1986 kg h 579 720 901 at partial load lbs h 255 317 399 kg h 116 144 181 Pressure a...

Page 7: ...428 59b 1511 c in mm 423 8 1078 423 8 1078 443 8 1128 d B in mm 35c 910 35c 910 37c 960 e in mm 89b 2273 955 8 2429 1007 8 2562 f in mm 85a 2163 85a 2319 96c 2455 g in mm 46c 1187 527 8 1343 58a 1477 h A in mm 59 1497 65 1650 703 8 1787 i in mm 217 8 555 28c 713 33b 851 j BO in mm 4 101 4 101 4 101 k in mm 34a 870 34a 870 345 8 879 l in mm 15d 383 12c 435 187 8 480 m in mm 10 254 12d 308 13c 351 n...

Page 8: ...As per vent manufacturer s specifications Front 0 Floor combustible Legend A Boiler B Burner 1 Can be zero clearance if serviceability and burner swing position is not required 2 Clearance for vent pipe installation To enable convenient installation and maintenance observe the stated clearance dimensions Maintain the minimum clearances where space is tight In the delivered condition the boiler doo...

Page 9: ...ocrossal 200 is only suitable for fully pumped hot water heating systems Recommended Flow Rates CM2 Boiler model 400 500 620 20 F rt GPM 137 2 171 0 213 2 40 F rt GPM 68 6 85 5 106 6 11 C rt m3 h 31 1 38 8 48 4 22 C rt m3 h 15 5 19 4 24 2 rt temperature difference This boiler does not require a flow switch Pressure drop Flow rate ...

Page 10: ... min input W 59 68 60 Version modulating Dimensions Length in mm 385 8 980 385 8 980 41 1060 Width in mm 26 661 265 8 675 265 8 675 Height in mm 21a 540 205 8 525 24b 622 Weight Burner only Burner package with kits flanges and mounting hardware lb kg lb kg 75 34 91 41 3 90 41 90 41 93 42 93 42 Min gas supply pressure Natural gas w c 4 4 4 Liquid propane gas w c 10 10 10 Max gas supply pressure Nat...

Page 11: ...unit E Gas valve F Gas supply pipe G Gas pressure switch H Servomotor and burner inlet damper 400 620 K Venturi mixing pipe L Fan motor assembly M Cylinder burner N Ignition electrode O Ionization electrode P Ignition transformer R Burner control sub base S AC EMI suppression filter with connection CM2 Boiler model 400 500 620 a in mm 20 506 20 506 20 506 b in mm 385 8 980 385 8 980 41c 1060 c in ...

Page 12: ...ler systems Vitotronic 300 type GW5B Outdoor reset control for stand alone operation for modulating water temperature with mixing valve optional expansion board for two additional circuits Boiler Control Alternatives CM2 Boiler model 400 500 620 Thermal insulation 2 2 2 Cylinder burner 1 1 1 Boiler control unit see boiler control alternatives below 1 1 1 Boiler coding card 1 1 1 Technical document...

Page 13: ...for pipes connectors etc Install a P trap in the condensate drain to prevent flue gases from escaping Venting options PP s Polypropylene flue gas fresh air system for room air independent operation sealed combustion and PP s flue gas for room air dependent operation are tested to ANSI Z21 13 CSA 4 9 2000 standards and are certified together with the Vitocrossal 200 boiler as a constructional unit ...

Page 14: ...mperature Warranty Our warranty does not cover damages resulting from the following Operation with contaminated fill and supplementary feed water Operation with contaminated combustion air Exposing the boiler to pressures and temperatures higher than its certified rating See warranty sheet for details Use ULC S 636 UL 1738 certified venting systems for category IV boilers The following vent system...

Page 15: ...talled against sound vibration transmission to the building Water quality Treatment for boiler feed water should be considered in areas with known problems such as where a high mineral content and hardness exist In areas where freezing might occur it recommended that an antifreeze be added to the system water for protection against freezing Please adhere to the specifications given by the antifree...

Page 16: ...5773 596 v1 0 Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper Vitocrossal 200 CM2 400 500 and 620 Technical Data ...

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