Application Guide Vitodens 100-W B1HA/B1KA Residential Boiler
APPLICATION GUIDE The application examples contained in this document serve as a guideline only. These are not engineered drawings and are not intended to replace project designs provided by a professional engineer. It is the responsibility of the installing contractor to ensure all aspects of the system comply with the local authorities having jurisdiction. © 2017 by Viessmann. All rights reserved. No part of this book may be used or reproduced in any manner whatsoever without prior written permission.
PRE-FACE / OVERVIEW Each day Viessmann heating systems face a wide variety of requirements and challenges here in North America, and around the world.
IDENTIFYING BOILER NOMENCLATURE B 2 H A ... ... ... Consecutive Number Generation of Boiler Fuel Types Gas Oil A B C ...
IDENTIFYING APPLICATION CODES 2 VD 2 Number of boilers in system X 1I HC 1I T 2 ZP 01 Number of heating circuits 1, 2, 3 ... Boiler Segment VD Vitodens Number of supply water temperatures in the system.
RECOMMENDED PRODUCT APPLICATIONS Application Typical Supply Temperature Vitodens 100 Vitodens 200/222-F Vitocrossal 300 CU3A Vitorond 100 Baseboard / Fan Coil High 160 -190 °F 1 1 Cast Iron Radiator Medium 140 -160 °F 2 Panel Radiator Medium 120 -160 °F 2 Radiant Floor Heating Low 80 -120 °F Indirect DHW High 160 -190 °F 1 1 Air Handlers Medium 120 -180 °F Best Choice Possible with limitations Not recommended 1- Limited maximum boiler supply water temperature.
COMPONENT INDEX Hydronic Components Electrical Components Vitodens 100 accessories kit with pressure relief and purge valves.
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VITODENS 100 Application # Application Code Page Application 1 - VD2T 1HC1T1ZP.01 18 Application 2 - VD2T 1HC1T4ZV.01 22 Application 3 - VD2T 1HC1T4ZP.01 26 Application 4 - VD2T 2HC2T2ZP.01 30 Application 5 - VD2T 3HC3T3ZP.
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18 Hydraulically separating the flow of the boiler and system with closely spaced tees or a low loss header, ensures that the boiler and system flows do not affect each other. Refer to component index on Page 5. Since the primary circulator is integrated into boiler, field installation of a boiler circulator is not required. If not using the DHW ports on the boiler, installer is required to cap before filling boiler. 1. 2. 3. 4.
19 2. If outdoor weather compensation is not being used, installation of the outdoor temperature sensor is not necessary. 1. Items to the left of the dotted vertical line are factory wired connections. Items wired to the right of the line are field wired.
B1HA Boiler Setup This particular application represents a low mass boiler with a single system loop. Because the system flow requirements may vary, or fall outside of the parameters of the boiler flow, it is recommended to hydraulically separate the system flow from the boiler flow. This can be achieved by using a low loss header or closely spaced tees on the system loop. Upon a call for heat from an external demand such as a thermostat the boiler circulator and the system circulator will be initiated.
B1HA Boiler Setup Function Step # Description Adjusting the Setpoint Temperature 1 Tap ɺ/ɼ, The set parameter flashes and 2 3 Use ɺ/ɼ to select the parameter. will be displayed. OK to confirm. Note When adjusting this setting, bear in mind that Note: your heating system requires some time to heat the home to the required temperature. OR Adjust the Boiler Setpoint Temperature: (No Outdoor Sensor Connected) 1 2 3 4 Tap the ɺ/ɼ button until the begins flashing. Press OK OK.
22 P4 4. When using a Viessmann AirflowPLUS, the P3 circulator is integrated and controlled by the air handler. 3. Since the boiler circulator is integrated, field installation of a circulator is not required for the boiler or indirect DHW. 2. Component Index on pages 5. 1. A thermostatic mixing valve should be installed to protect the radiant floor heating from receiving excessive hot water. Notes/Comments Vitodens 100 P3 Pressure Drop B1HA APPLICATION 2 VD1I 2HC2T2ZP.
23 2. If outdoor weather compensation is not being used, installation of the outdoor temperature sensor is not necessary. 1. If an aquastat is being used instead of a DHW sensor, reconfiguration of the control will be necessary.
B1HA Boiler Setup In this application, you can see a Vitodens 100 paired with an indirect water heater and 2 zones. A safety device such as a thermostatic mixing valve should be added to the infloor circuit to protect the radiant heating from the higher supply water temperatures required for the air handler. This application will prioritize the DHW by diverting flow from the system to the indirect DHW using the diverting valve integrated into the boiler.
B1HA Boiler Setup Function Step # Description Adjusting the Setpoint Temperature 1 Tap ɺ/ɼ, The set parameter flashes and 2 3 Use ɺ/ɼ to select the parameter. will be displayed. OK to confirm. Note When adjusting this setting, bear in mind that Note: your heating system requires some time to heat the home to the required temperature.
26 P4 4. The B1KA has an integrated expansion vessel built into the boiler that will be sufficient for most systems. If your system requires a larger expansion tank, a secondary tank can be installed on the system.(*) 3. Since the boiler circulator is integrated, field installation of a circulator is not required for the boiler or indirect DHW. 2. Component Index on pages 5. 1. A thermostatic mixing valve should be installed to protect the radiant floor heating from receiving excessive hot water.
27 2. If outdoor weather compensation is not being used, installation of the outdoor temperature sensor is not necessary. 1. When using a Viessmann Airflow Plus, the P4 pump is integrated and controlled by the air handler.
B1HA Boiler Setup Similar to the previous application, this system incorporates a Vitodens 100 Combi boiler. With on demand domestic hot water, this offers an alternative solution to installing a storage type indirect water heater. The integrated circulator and diverting valve allow the boiler to switch from heating and provide up to 3.7GPM of on-demand DHW.
B1HA Boiler Setup Function Step # Description Adjusting the Setpoint Temperature 1 Tap ɺ/ɼ, The set parameter flashes and 2 3 Use ɺ/ɼ to select the parameter. will be displayed. OK to confirm. Note When adjusting this setting, bear in mind that Note: your heating system requires some time to heat the home to the required temperature.
30 Z3 Z2 Z1 P3 3. If a fixed speed circulator is being used in this application, it would be necessary to install a differential pressure bypass valve. This ensures a correct flow through a zone under changing loads. 2. A variable speed circulator will automatically adjust to opening and closing zones. This ensures proper flow regardless of how many zones are open. 1. Component Index on pages 5. Notes/Comments Z4 Vitodens 100 Pressure Drop B1HA APPLICATION 4 VD1l 1HC1T4ZV.
31 2. If outdoor weather compensation is not being used, installation of the outdoor temperature sensor is not necessary. 1. If using a fixed speed pump, it is recommended that a zone control relay be installed to control the operation of the pump and zone valves. Notes/Comments Pre-Wired Vitodens 100 sŝƚŽĚĞŶƐ dĞƌŵŝŶĂů ůŽĐŬ ƌLJ ŶĚ ^ǁŝƚĐŚ ,t ^ĞŶƐŽƌ WŽǁĞƌ Field Wiring APPLICATION 4 Wϯ ;&ŝĞůĚ ^ƵƉƉůŝĞĚͿ dƌĂŶƐĨŽƌŵĞƌ VD1l 1HC1T4ZV.
B1HA Boiler Setup In this system you have a Vitodens 100 with indirect water heater and a four zone system controlled via zone valves. Upon a call for heat a zone valve opens, closing the end switch on the valve, and initiates the boiler. In the event there is a call for DHW, the boilers internal pump and diverting valve, will redirect the water to the indirect water heater. This allows the boiler to commit all energy produced to the production of domestic hot water.
B1HA Boiler Setup Function Step # Description Adjusting the Setpoint Temperature 1 Tap ɺ/ɼ, The set parameter flashes and 2 3 Use ɺ/ɼ to select the parameter. will be displayed. OK to confirm. Note When adjusting this setting, bear in mind that Note: your heating system requires some time to heat the home to the required temperature.
34 P6 P5 P4 P3 3. Since the primary circulator is integrated into boiler, field installation of a boiler circulator is not required for the boiler and indirect DHW. 2. Always consider the electrical consumption associated with zoning a system with circulators. Often there are more efficient alternatives which could be considered when designing a system. 1. Component Index on pages 5. Notes/Comments Vitodens 100 Pressure Drop B1HA APPLICATION 5 VD1l 1HC1T4ZP.
35 2. If outdoor weather compensation is not being used, installation of the outdoor temperature sensor is not necessary. 1. If an aquastat is being used instead of a DHW sensor, reconfiguration of the control will be necessary. Refer to page 40 Notes/Comments Pre-Wired Vitodens 100 ,t ^ĞŶƐŽƌ WŽǁĞƌ 6/$9( 2)) 2)) 35,25 3527(&7 3803 (;(5&,6( 65 (;3 )86( $03 2)) )86( $03 Wϯ 1 + =21( + Wϰ 1 =21( =21( 5 : & )86( $03 1 1 Wϲ ,1387 1 VD1l 1HC1T4ZP.
B1HA Boiler Setup Similar to the previous application, this system utilizes circulators instead of zone valves. Upon a call for heat, the multizone control initiates the associated circulator and sends a signal to the boiler's. Once the boiler has received this signal, the integrated boiler pump starts and the boiler fires. If there is a call for DHW during a heating cycle, the boiler's integrated diverting valve will transition into DHW mode and a new target setpoint will be established.
B1HA Boiler Setup Function Step # Description Adjusting the Setpoint Temperature 1 Tap ɺ/ɼ, The set parameter flashes and 2 3 Use ɺ/ɼ to select the parameter. will be displayed. OK to confirm. Note When adjusting this setting, bear in mind that Note: your heating system requires some time to heat the home to the required temperature.
38 Vitodens 100 MICROLOAD A Microload is typically considered a zone that has an output substantially less than the boiler's lowest firing rate. Even when firing at its lowest input, the boiler will short cycle putting added stress on all the components and decreasing efficiency. What is a Microload? 2. To ensure correct operation, install flow check valves according to this diagramheating and DHW. 1. Component Index on pages 5.
39 Piping a “Microload” in this manner, prevents the boiler from short cycling. Upon a call for heat, the circulator starts up and draws heat out of the indirect water heater. As the temperature in the water heater decreases, the boiler senses this drop in temperature and proceeds to heat the tank back up. Because of the larger volume of water, this extends the boiler's run cycle and allows it to operate at a more efficient state.
How-To Guide /HJHQG Pressure gage " LCD display unit Power switch ON/OFF /HJHQG A Display value or fault code B Temperature in °F/°C (with the display value) C Heating mode D DHW heating E Display value or fault code F Fault indicator G Burner fault reset H Temperature in °F/°C (with the display value) I On-screen buttons J Commissioning setting active (only for contractors) K DHW comfort function active (only for B1KA) L Current burner output (each bar = 20%) M DHW comfort function not active (only fo
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The Viessmann Group The Viessmann Group is one of the leading international manufacturers of heating, industrial and refrigeration systems. Founded in 1917, the family business employs approximately 12,000 employees worldwide and generates 2.25 billion Euro in annual group sales. Viessmann has a strong international outlook – it maintains 22 production companies in 11 countries, subsidiaries and representatives in 74 countries, and a total of 120 sales offices worldwide.
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Viessmann Manufacturing Company Inc. Waterloo, ON Canada 1-800-387-7373 www.viessmann.ca Viessmann Manufacturing Company Inc. USA Warwick, RI 02886, USA 1-800-288-0667 info@viessmann-us.com www.viessmann.com Technical information subject to change without notice.
