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COSMOGAS BMS 10/20, Instruction Manual, Page: 1 / 56

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COSMOGAS BMS 10/20 Instruction Manual Download Page 1

INSTRUCTION MANUAL

For installation, use and

maintenance for the

MODELS:

 

BMS & BTS

Direct Vent

Space / Water Heater

Combined Appliance

For Heating and Domestic Hot Water

These instructions MUST be read prior to installation and

 left near the appliance when the installation is completed.

Text complies with minimum size requirements.

U.S.A.

62403262R04 -06/02

Summary of Contents for BMS 10/20

Page 1: ...BTS Direct Vent Space Water Heater Combined Appliance For Heating and Domestic Hot Water These instructions MUST be read prior to installation and left near the appliance when the installation is comp...

Page 2: ...to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you...

Page 3: ...ion of the gas apparatus Flue gas ducts must not be modified in any way Any replaced part or packaging parts should never be left within reach of children Explosive products or easily inflammable prod...

Page 4: ...15 29 has an input power rating of 107 000 Btu hr 31 6 kW BMS 10 20 or BMS 15 29 or BTS 10 20 or BTS 15 29 When referring to this instruction manual be sure of which type of heater you are working wit...

Page 5: ...at Connection 15 3 8 Electrical Supply Connection 15 4 VENTING SYSTEMS 17 4 1 Concentric Flue Coaxial 17 4 2 Split Flue 19 4 3 Chimney Venting 19 4 4 Venting Locations Outside Walls Direct Venting 19...

Page 6: ...ntral Heating 47 10 6 Manual Reset High Limit Thermostat 47 10 7 Resetting the Ignition Module 47 10 8 Heating Circulator Pump 47 10 9 Low water cut off device 47 10 10 Shut Down Procedure 47 10 11 Ma...

Page 7: ...7 GENERALLAYOUTofthemaincomponentsofmodelBMS Figure 1 BMS Front view Coaxial discharge Split discharge A Flue discharge B Air intake...

Page 8: ...nd detection electrodes 14 Burner 15 Gas manifold 16 Exchanger shell clamps 17 Gas valve 18 High limit thermostat 19 Power and circulator pump switches 20 Domestic hot water priority thermostat 21 Cen...

Page 9: ...9 GENERALLAYOUTofthemaincomponentsofmodelBTS Figure 3 BTS Front view...

Page 10: ...tion and detection electrodes 14 Burner 15 Gas manifold 16 17 Gas valve 18 High limit thermostat 19 Power and circulator pump switches 20 Domestic hot water priority thermostat 21 Central heating regu...

Page 11: ...oor of the building No valve is to be placed between the safety relief valves and the heater The discharge from the temperature and pressure relief valve must be conducted to a suitable place for disp...

Page 12: ...d from the front of the heater WARNING Please take caution when choosing a mounting surface for the heater The weight of the heater with water is approximately 165 lbs Make certain that the wall can s...

Page 13: ...iary accessories must be verified by a qualified personnel only and in accordance with the national and or local codes 3 3 1 Installation of two heaters Iinstalling two heaters in parallel Follow the...

Page 14: ...r with filters be installed Excessive buildup of minerals in the heat exchanger can cause a non warranty failure Water hardness can be determined by using the standard test or by checking with your lo...

Page 15: ...ntrol thermostat to thelowvoltageterminals figure6 itemB NOTE first remove factory installed jumper from terminals The room thermostat must always be located in a point of the house where the temperat...

Page 16: ...w 2 e Re insert the passage tunnel into its position 4 f Feed wire to junction box and connect as shown in Figure 6 Figure 6B Installation of the electrical supply cable on the model BTS a Remove or l...

Page 17: ...ent foreign matter from entering the heater The vent terminals concentric split type exhaust must be a minimum of 1ft above the ground level If split type vent will be venting into a chimney make cert...

Page 18: ...s which have been damaged for this reason are not covered in our limited warranty The stainless steel End terminal wind guard must fit properly and inter lock into slip joint of intake pipe It is impe...

Page 19: ...enings as described above shall be of the size listed below for each particular arrangement All ducting shall be the same size as the opening which it is to be connected One square inch of free area p...

Page 20: ...ition you must to use a roof vent terminal 62617070 see figure P P N 62617175 Coaxial Vent Straight Adapter Kit This kit is for taking and discharging air from to the outside of the building The pipe...

Page 21: ...tem 15 62617087 Coaxial 3 ft vent End Terminal only 16 62617124 Straight coaxial Adapter Heater mounted only 17 62617159 In Line Elbow 45 M F Coaxial 18 62617168 Split vent kit 19 62617172 Coaxial 60...

Page 22: ...22 A INSTALLATION INSTRUCTIONS...

Page 23: ...23 A INSTALLATION INSTRUCTIONS...

Page 24: ...24 Some exemples of vent make with the kits predisposed by COSMOGAS P N 62617168 P N 62617174 e P N 62617175 Figure L 62617168 Figure M Figure N 62617174 62617175 A INSTALLATION INSTRUCTIONS...

Page 25: ...Some exemples of vent make with some accessories Figure O and P or with the combination of a kit P N 62617174 and some accessories 13 and 5 Figure Q Figure O Figure P Figure Q A INSTALLATION INSTRUCTI...

Page 26: ...vent make with some accessories for split and a kit for split In all figures R S and T we have used a kit 62617168 in combination with accessories for split system Figure R Figure S Figure T A INSTAL...

Page 27: ...pipe In the figure U we have a BMS heater with elbow raccord 9 and with a kit 23 for to connect your 3 pipe In the figure V we have a BTS heater with with an straight raccord 16 and with a kit 23 for...

Page 28: ...ipe D Discharge grid E Intake grid Figure 9 Concentric flue Coaxial pipe position For BMS model Figure 7 Top view of BMS heater Figure 10 Example of air intake and flue gas discharge through the roof...

Page 29: ...ut intake pipe and discharge of flue gases through the roof For BMS model A Chimney B Washer C Discharge pipe D Split system elbow E Clamp with seal F Insulation G Condensing trap A Condensate drainag...

Page 30: ...t 3 Discharge pipe 4 Washer 5 Intake pipe Figure 17 Example of air intake and flue gas discharge through the roof For BTS model Figure 16 Discharge with coaxial flue without intake pipe For BTS model...

Page 31: ...y For model BTS Figure 20 Example of air intake through an outside wall without intake pipe and discharge through the same wall For model BTS Figure 19 Example of air intake without intake pipe and di...

Page 32: ...ater connection 5 Domestic hot water connection 6 ASME relief valve not provided set to 150 PSI 7 Heating return connection 8 Heating supply connection 9 ASME pressure relief valve 10 Connections not...

Page 33: ...150 PSI not provided 5 Connections not provided 6 By pass valve not provided 7 Domestic drain cock not provided 8 ASME pressure relief valve 9 Heating drain cock not provided 10 Domestic Hot water co...

Page 34: ...n cock 4 Gas cock 5 Safety relief valve 6 Pressure disconnector 7 Relief valve 8 Radiators 9 Automatic feed 10 Back flow preventer 11 Gas inlet 12 Mixing valve 13 Cold water inlet 14 Recirculating pum...

Page 35: ...fety relief valves 3 Heating drain cocks 4 Ball valves 5 Gas cocks 6 Back flow preventer 7 Supplementary expansione tank 8 Manometer 9 Gas supply 10 Cold water inlet 11 Supply and return for central h...

Page 36: ...at exchanger 5 Three ways valve 6 Floor protection thermostat set to 104 F 40 C 7 Supplementary pump 8 Air vent 9 Radiant heating 10 Gas cock 11 Automatic feed 12 Back flow preventer 13 Pressure gauge...

Page 37: ...NSTALLATION INSTRUCTIONS 1 Safety relief valve 2 By pass valve 3 Heating drain cock 4 Radiators 5 Gas cock 6 Automatic feed 7 Safety relief valve 8 Back flow preventer 9 Sanitary drain cock 10 Mixing...

Page 38: ...low checks 6 Optional ball valve to isolate heater 7 Supply piping to zones 8 Gas cock 9 Automatic feed 10 Optional ball valve 11 Back flow preventer 12 Added system pump 13 Optional ball valve 14 Tee...

Page 39: ...d zones 14 Return piping from zones 15 Sanitary relief valve 16 Sanitary drain cock 17 Mixing valve 18 Flow restrictor 19 Hot water outlet 20 Cold water inlet 21 Gas inlet 1 Cosmogas combi 2 Safety re...

Page 40: ...ropane Gas LP 6 1 Changing the Gas Type To convert the heater from one gas type to another NAT to LP or LP to NAT Conversion kits are available at an additional cost 6 2 Adjusting Gas Flow and Pressur...

Page 41: ...hot water priority thermostat 2 Power switch 3 Circulator pump switch 4 High limit thermostat 5 Transformer 6 Electrical junction box 7 Ground connections 8 Circulator pump 9 Flue gas discharge fan 10...

Page 42: ...odule lamp control DL8 Transformer lamp control r1 Resistor 780 Ohm 1 Fuse 2 Power switch 3 Pilot light of power switch 4 High limit thermostat 5 Circulator pump 6 Domestic hot water priority thermost...

Page 43: ...zone 1 End switch Motor Zone valve 2 Room thermostat zone 2 End switch Motor Zone valve 3 Room thermostat zone 3 Thermostat 24V 115V 115VAC N L COSMOGAS Combi External transformer Figure 31 Honeywell...

Page 44: ...itch with fuse immediately upstream from the heater 9 BMS model INSTRUCTION FOR USE Figure 33 Instrument panel for model BMS 1 Power switch 2 Central heating regulation knob 3 Circulator pump switch 4...

Page 45: ...eposition it on 150 F Once this operation has been done and if the heater does not start up or if this situation repeats often call a licensed authorized personnel 9 8 Heating Circulator Pump The circ...

Page 46: ...shut off 10 2 Checks Prior to Ignition Prior to ignition it is necessary to carry out a few checks a Check that the appliance is electrically connected to a voltage of 115V 60Hz Grounding is compulso...

Page 47: ...one and if the heater does not start up or if this situation repeats often call a licensed authorized personnel 10 8 Heating Circulator Pump The circulator pump will only start working when heater the...

Page 48: ...48 D TROUBLESHOOTING 11 Troubleshooting Sequence of Operation to Light the Burner...

Page 49: ...49 D TROUBLESHOOTING...

Page 50: ...50 D TROUBLESHOOTING...

Page 51: ...rect if necessary the pressure in the central heating system What to do when the smell of gas is present Turn the gas cock off and ventilate the room Call a licensed authorized technician and if neces...

Page 52: ...52 F SPARE PARTS Spare parts are available from your local authorized wholesale distributor For a location of the one nearest you call Embassy Industries Inc at 631 694 1800...

Page 53: ...53 G TECHNICALFEATURES TABLE1...

Page 54: ...54 G TECHNICAL FEATURES Curve of residual head for central heating system Pressure kPa Pressure ft H20 Flow rate gal min Flow rate l min...

Page 55: ...55 NOTES...

Page 56: ...dustries Inc 300 Smith Street Farmingdale NY 11735 PH 631 694 1800 Fax 631 694 1832 www embassyind com sales embassyind com MANUFACTURED BY COSMOGAS s r l Via L da Vinci 16 47014 MELDOLA FC ITALY info...

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