1. Manuals
  2. Brands
  3. COSMOGAS Manuals
  4. Water Heater
  5. BMS 10/20
  6. Instruction manual

COSMOGAS BMS 10/20 Instruction Manual

Direct vent space / water heater, combined appliance for heating and domestic hot water
Hide thumbs Also See for BMS 10/20:
Table of Contents

Advertisement

Quick Links

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.
62403262R04 -06/02

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BMS 10/20 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for COSMOGAS BMS 10/20

Summary of Contents for COSMOGAS BMS 10/20

  • 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.

  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
  • Page 3 SAFETY INSTRUCTIONS These instructions must be read prior to installation. If the information in these instructions is not followed exactly, a fire or explosion may result, causing property damage, personal injury, or death. Hazards and Your Safety - Hot Water Can Scald! Water temperature over 125°F can cause severe burns instantly, or death from scalds.

  • Page 4: General Information

    Each type of heater can be of two different input power rating; a 10/20 or 15/29; 10/20 has an input power rating of 87,000 Btu/hr (26 kW) 15/29 has an input power rating of 107,000 Btu/hr (31.6 kW) BMS 10/20 BMS 15/29 BTS 10/20...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS GENERAL INFORMATION ...................... 4 TABLE OF CONTENTS ......................5 GENERAL LAYOUT of the main components of model BMS ..........7 GENERAL LAYOUT of the main components of model BTS ..........9 A INSTALLATION INSTRUCTIONS ..................11 1 Operating and adjusting the output to the radiation system ........11 2 Location ........................
  • Page 6 TABLE OF CONTENTS 9.10 Shut-Down Procedure ................... 45 9.11 Maintenance ....................45 9.12 Draining water from the heater ..............45 C OPERATING AND MAINTENANCE INSTRUCTIONS for BTS ..........46 10 - BTS model - INSTRUCTIONS FOR USE ............... 46 10.1 Start-Up Instructions ..................46 10.2 Checks Prior to Ignition ..................

  • Page 7: General Layout Of The Main Components Of Model Bms

    GENERAL LAYOUT of the main components of model BMS A = Flue discharge B = Air intake Coaxial discharge Split discharge Figure 1 - BMS Front view...
  • Page 8 GENERAL LAYOUT of the main components of model BMS 1 Central heating supply 2 Central heating return 3 Gas inlet 4 Domestic hot water outlet 5 Cold water inlet 6 Flue gas discharge fan 7 Automatic air vent 8 Thermostat bulb pocket 9 Gas valve service switch 10 Instrument panel 11 Temperature-pressure gauge...

  • Page 9: General Layout Of The Main Components Of Model Bts

    GENERAL LAYOUT of the main components of model BTS Figure 3 - BTS Front view...
  • Page 10 GENERAL LAYOUT of the main components of model BTS 1 Central heating supply 20 Domestic water priority 2 Central heating return thermostat 3 Gas inlet 21 Central heating regulation knob 4 Domestic hot water outlet 22 Heater temperature control 5 Cold water inlet 23 Electrical control board 6 Flue gas discharge fan 24 Ignition module...

  • Page 11: A Installation Instructions

    Installation of the BTS combi directly on combustible output to the radiation system flooring such as carpeting shall be installed on a The COSMOGAS heater can be installed in metal or wood panel extending behind the full width any domestic or light commercial building and depth of the appliance by at least 3”, (76.2...

  • Page 12: Installation Template

    A INSTALLATION INSTRUCTIONS 3.1 Installation template ONLY model BMS is provided with an installation template to facilitate proper installation alignments (See figure 5 below). 3.1.1 Clearances for installation The figures 5A and 5B show the proper distances to keep from any obstacle pertaining to the support bracket (2) or to the wall.

  • Page 13: Safety Relief Valve

    A INSTALLATION INSTRUCTIONS 3.2 Safety Relief Valve 3.3.1 Installation of two heaters An ASME approved safety relief valve, (set at Iinstalling two heaters in parallel. Follow the 30 psi), must be installed in a vertical schema in the figure 23 position on the outlet side of the central heating system, and as close as possible 3.3.2 Installation of three or more...

  • Page 14: Domestic Hot And Cold Water

    A INSTALLATION INSTRUCTIONS 3.6 Gas Supply 3.4 Domestic Hot and Cold water Before making any gas connections, verify The domestic hot water flow restrictor must be that the heater is being supplied with same installed on the cold water inlet, (Refer to figure gas type as indicated on the rating plate.

  • Page 15: Gas Supply (Cont.)

    A INSTALLATION INSTRUCTIONS 3.6 Gas Supply (cont.) Length of Gas Pipe Capacity of Gas Pipe Size in MBTUH 1/2" 3/4" 1" " 1050 100' 150' Additional length 1.3' 1.7' 2.2' 2.7' to be added for each bend or tee 3.7 Room Thermostat Connection 3.8 Electrical Supply Connection This is installed by removing the electrical junction The heater must be connected to a 115V...
  • Page 16 A INSTALLATION INSTRUCTIONS Figure 6A - Installation of the electrical Figure 6B - Installation of the electrical supply cable on the model BMS supply cable on the model BTS a) Remove or loosen screw (2) a) Remove or loosen screw (2) b) Pop- out the passage tunnel for the b) Pop- out the passage tunnel for the supply cable.

  • Page 17: Venting Systems

    A INSTALLATION INSTRUCTIONS 4 VENTING SYSTEMS appliances are vented into it. This power- vented heater must not share a chimney. Vent exhaust terminal should be inserted into, but This heater can be fitted with either a not beyond, inner wall of chimney. concentric or split type venting system.
  • Page 18 A INSTALLATION INSTRUCTIONS secure the internal discharge tube may ATTENTION !!! result in the heater backfiring and causing We want to remember that all accessories permanent damage to the heat in the line of the air intake and in the line of exchanger.

  • Page 19: Split Flue

    BTU/H of heater input for direct outdoor air through horizontal ducting. discharge Caution! For comfort for the installer, COSMOGAS The discharge pipe temperature is above has created some flue kit, complete of all 250°F while functioning, therefore it is the necessary components for flue essential that a thermal insulation discharge and air intake.
  • Page 20 A INSTALLATION INSTRUCTIONS P/N 62617168. Split vent kit. This kit is for take the air from the room where the heater is installed, and discharge the flue outside from the building. The pipe of discharge is length 2.5ft.. If you need extensiones or elbows or other accessories, refer to figures R, S and T.
  • Page 21 A INSTALLATION INSTRUCTIONS Besides the kits COSMOGAS has a series of accessories, that in conjonction with the kits, give the installer the possibility of many configuration of flue discharge and/or air intake. See exemples to the figures O, P, Q, R, S, T, U and V. Please remember that these configurations are only examples, and that many other possibilities exist.
  • Page 22 A INSTALLATION INSTRUCTIONS...
  • Page 23 A INSTALLATION INSTRUCTIONS...
  • Page 24 A INSTALLATION INSTRUCTIONS Figure L Some exemples of vent make with the kits predisposed by COSMOGAS P/N 62617168, P/N 62617174 e P/N 62617175. 62617168 Figure M Figure N 62617174 62617175...
  • Page 25 A INSTALLATION INSTRUCTIONS Figure O Figure P 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 Q...
  • Page 26 A INSTALLATION INSTRUCTIONS Figure S Figure R Figure T Some exemples of 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.
  • Page 27 A INSTALLATION INSTRUCTIONS Some exemples of vent make with a 3” commercial 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 to connect your 3”...
  • Page 28 A INSTALLATION INSTRUCTIONS Wall A - Securing screws B - Discharge pipe C - Intake pipe D - Discharge grid E - Intake grid Figure 9 -Concentric flue (Coaxial) pipe position. For BMS model Figure 7 - Top view of BMS heater A Condensate drainage pipe fitting B Condensate drainage tap Figure 10- Example of air intake and...
  • Page 29 A INSTALLATION INSTRUCTIONS A Chimney B Washer C Discharge pipe D Split system elbow E Clamp with seal F Insulation Figure 13 - Example of air intake through G Condensing trap an outside wall, (without intake pipe), and discharge to a chimney. For BMS Figure 11 - Example of discharge model to a chimney for a BMS model...
  • Page 30 A INSTALLATION INSTRUCTIONS 1 Wall 3 Discharge pipe 2 Sheat 4 Washer 1 Wall Figure 16 - Discharge with coaxial flue 2 Sheat 3 Discharge pipe without intake pipe. For BTS model 4 Washer 5 Intake pipe Figure 15 - Discharge with coaxial flue for BTS model Figure 17 - Example of air intake and flue gas discharge through the roof.
  • Page 31 A INSTALLATION INSTRUCTIONS Figure 19 - Example of air intake without intake pipe and discharge of flue gases through the roof. For model BTS. A = Condensate discharge Figure 18 - Example of air intake through Figure 20 - Example of air intake through an outside wall, (without intake pipe), an outside wall, (without intake pipe), and and discharge to a chimney.

  • Page 32: Water Connections For Model Bms

    A INSTALLATION INSTRUCTIONS 4.7 Water Connections for Model BMS Each heater contains a kit of accessories to help the installer make the water connections. An example of these connections and all the accessories supplied with the heater is shown on the drawing below: 1) 1/2"...

  • Page 33: Water Connections For Model Bts

    4.8 Water Connections for Model BTS Each heater contains a kit of accessories to help the installer make the water connections. An example of these connections and all the accessories supplied with the heater is shown on the drawing below:...
  • Page 34 A INSTALLATION INSTRUCTIONS Figure 23 - Two (BMS or BTS model) heaters installation with domestic hot water recirculating system...
  • Page 35 A INSTALLATION INSTRUCTIONS Figure 24 - Three or more (BMS or BTS models) heaters installation with connection for indirect water heater...
  • Page 36 A INSTALLATION INSTRUCTIONS 1 Cosmogas combi 13 Pressure gauge 2 Safety relief valves 14 Additional expantion tank 3 Heating Drain cock 15 Relief valve 4 Plate heat exchanger 16 Safety relief valve 5 Three ways valve 17 Sanitari drain cock...
  • Page 37 A INSTALLATION INSTRUCTIONS 1 Safety relief valve 8 Back-flow preventer 2 By-pass valve 9 Sanitary drain cock 3 Heating drain cock 10 Mixing valve 4 Radiators 11 Flow restrictor 5 Gas cock 12 Hot water outlet 6 Automatic feed 13 Cold water inlet 7 Safety relief valve 14 Gas supply Figure 26 - Example of (BMS or BTS model) heater installation for radiators...
  • Page 38 A INSTALLATION INSTRUCTIONS 1 Cosmogas combi 12 Added system pump 2 Safety relief valve 13 Optional ball valve 3 Heating drain cock 14 Tees with drains to bleed zones 4 Pressure disconnector 15 Return piping from zones 5 Flow checks...
  • Page 39 A INSTALLATION INSTRUCTIONS 11 Zone valves 1 Cosmogas combi 12 Optional ball valve 2 Safety relief valve 13 Tees with drains to bleed zones 3 Heating drain cock 14 Return piping from zones 4 By-pass valve 15 Sanitary relief valve...

  • Page 40: Regulating The Domestic Hot Water

    A INSTALLATION INSTRUCTIONS 5 REGULATING THE DOMESTIC 6.1 Changing the Gas Type HOT WATER To convert the heater from one gas type to another (NAT to LP or LP to NAT). Conversion The heater temperature control knob is kits are available at an additional cost.. adjusted to its lowest temperature position when shipped from the factory.

  • Page 41: Wiring Diagrams

    A INSTALLATION INSTRUCTIONS 7 WIRING DIAGRAMS If any of the original wire as supplied with the appliance must be replaced, it must be replaced with 18 AWG wire or its equivalent. Figure 29 - Wiring diagram. For BMS and BTS model...
  • Page 42 A INSTALLATION INSTRUCTIONS Figure 30 - Functional wiring diagram. For BMS and BTS model...

  • Page 43: Zone Valves

    A INSTALLATION INSTRUCTIONS External transformer 115V COSMOGAS Combi Heating Heating thermostat thermostat zone 1 zone 2 Thermostat Normally open Heating Heating isolation relay zone zone valve 1 valve 2 Figure 32a - Wiring diagram for taco zone valves Zone valve 1...

  • Page 44: B Operating And Maintenance Instructions For Bms

    B OPERATING AND MAINTENANCE INSTRUCTIONS for BMS Qualified personnel must carry out installation, calibration or alterations to the gas apparatus, or to convert it from one gas type to another. Conversion kits are available, (optional). 9 BMS model; INSTRUCTION FOR USE 1 Power switch 5 Heater temperature control knob 2 Central heating regulation knob...

  • Page 45: Summer-Winter Mode

    B OPERATING AND MAINTENANCE INSTRUCTIONS for BMS 9.4 Summer-Winter Mode The circulator pump will only start working when heater the temperature reaches approximately By means of the circulator pump switch, (fig.33, 140°F and the circulator pump switch, (fig.33, item item 3), you can change over from the summer to 3), is in the winter position (on position).

  • Page 46: C Operating And Maintenance Instructions For Bts

    C OPERATING AND MAINTENANCE INSTRUCTIONS for BTS Qualified personnel must carry out installation, calibration or alterations to the gas apparatus, or to convert it from one gas type to another. Conversion kits are available, (optional). 10 - BTS model - INSTRUCTIONS FOR USE 5 Heater temperature control knob 1 Power switch 3 Circulator pump switch...

  • Page 47: Summer-Winter Mode

    C OPERATING AND MAINTENANCE INSTRUCTIONS fot BTS 10.4 Summer-Winter Mode Initially, the circulator pump could make noises, which are due to pockets of air left inside the By means of the circulator pump switch, (fig.34, water circuit; they will disappear soon without item 3), you can change over from the summer to having to do anything.

  • Page 48: D Troubleshooting

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

  • Page 49: Troubleshooting Sequence Of Operation For A Call For Heat

    D TROUBLESHOOTING...
  • Page 50 D TROUBLESHOOTING...

  • Page 51: E Important Information For The Customer

    E IMPORTANT INFORMATION FOR THE CUSTOMER • The technician will explain to the customer how the heater works and how to operate it. • The customer must neither replace nor repair any parts. • The user must call in a licensed authorized technician to carry out necessary routine maintenance on the heater at least once a year, before it is used for central heating.

  • Page 52: F Spare Parts

    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: G Technical Features

    G TECHNICAL FEATURES TABLE 1...
  • Page 54 G TECHNICAL FEATURES Curve of residual head for central heating system Flow rate (gal/min.) Flow rate (l/min)

  • Page 55: Notes

    NOTES...
  • Page 56 R1007 FOR TECHNICAL SUPPORT CALL: Embassy Industries, 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@cosmogas.com www.cosmogas.com...

This manual is also suitable for:

Bms 15/29Bts 10/20Bts 15/29

Table of Contents