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Installation Instructions
for use by heating contractor
Vitocell 300
EHA Series
Indirect-fired domestic hot water storage tank
42 to 120 USG / 160 to 450 ltr capacity
VITOCELL-H 300
5167 535 v1.2 12/2003
CAUTION
THE HEAT TRANSFER
MEDIUM MUST BE WATER
OR OTHER NON-TOXIC
FLUID HAVING A TOXICITY
RATING OR CLASS OF 1,
AS LISTED IN CLINICAL
TOXICOLOGY OF
COMMERCIAL PRODUCTS,
5TH EDITION.
THE PRESSURE OF THE
HEAT TRANSFER MEDIUM
MUST BE LIMITED TO A
MAXIMUM OF 30 PSIG
BY AN APPROVED SAFETY
OR RELIEF VALVE (SEE
PAGE 2).
IMPORTANT
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Summary of Contents for Viessmann VITOCELL-H 300
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Page 1: Installation Instructions
Vitocell 300 EHA Series Indirect-fired domestic hot water storage tank 42 to 120 USG / 160 to 450 ltr capacity VITOCELL-H 300 CAUTION THE HEAT TRANSFER MEDIUM MUST BE WATER OR OTHER NON-TOXIC FLUID HAVING A TOXICITY... - Page 2 Safety, Installation and Warranty Requirements Safety, Installation and Warranty Requirements Please ensure that this manual is read and understood before commencing installation. Failure to comply with the issues listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life. Ensure all requirements below are understood and fulfilled (including detailed information found in manual subsections).
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Page 3: Table Of Contents
Contents Page Safety Important Regulatory and Installation Requirements ..General Information About these Instructions ............Product Information . -
Page 4: Important Regulatory And Installation Requirements
For information regarding other Viessmann System Technology Mechanical room componentry, please reference Ensure the mechanical room complies documentation of the respective with the requirements of the system product. -
Page 5: About These Instructions
Vitocell: operator/ultimate owner where the - Technical Data Manual literature can be found. Contact - Installation Instructions Viessmann for additional copies. - Start-up/Service Instructions - Operating Instructions and User’s Information Manual About These Instructions Take note of all symbols and notations intended to draw attention to potential hazards or important product information. -
Page 6: Tank Set-Up
Set-up Tank Set-up For 92 USG / 350 ltr tank capacity only: If a boiler is to be installed on top of the tank, arrange boiler to lock into the front positioning pins of the tank. H For narrow passageways, remove H Locate tank(s) on flooring or lower portion of crating and carry foundation capable of supporting the... -
Page 7: Transport And Handling
Set-up Transport and Handling only for 120 USG / 450 ltr capacity Removing panels and insulation The width of 35¾” / 910 mm can be reduced to 32” / 810 mm by removing panels and insulation. 1. Turn tank 90° to sit across its pallet. 2. - Page 8 Set-up Transport and Handling (Continued) only for 120 USG / 450 ltr capacity 10. Using a flat piece of wood and a rubber mallet, carefully hammer inner front and rear panels off the four corners and remove. 11. Move tank into mechanical room. Fig 3.
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Page 9: Installing Panels And Insulation
Set-up Transport and Handling only for 120 USG / 450 ltr capacity Installing panels and insulation 1. Place tank on top of pallet again and turn 90° to sit across the pallet. 8. 1. 2. Push inner front panel onto tank housing. - Page 10 Set-up Transport and Handling (Continued) only for 120 USG / 450 ltr capacity 8. Mount insulation. 9. Fully insert sensor into opening in tank cap and secure using spring-clip. 10. Install insulation. 11. Install front panel. Fig 5. Installing panels and insulation...
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Page 11: Multiple Tank Set-Up
Set-up Multiple Tank Set-up only for 92 and 120 USG / 350 and 450 ltr capacity Two tanks, each with 92 USG / 350 ltr content, and up to three tanks, each with 120 USG / 450 ltr content, may be stacked vertically. 1. -
Page 12: Orientation And Dimensions
Connections Orientation and Dimensions Storage capacity 1350 Number of tanks Layout Connections (individual tank) Heating water supply/return ∅’’ Domestic cold/hot water ∅’’ Pressure and temperature relief valve ∅’’ 42 and 53 USG / 160 and 200 ltr capacity Domestic hot water supply, T&P valve (and recirculation tapping) Boiler water supply Aquastat well Domestic cold water supply... -
Page 13: Control Connections
Not present on 42 and 53 USG/ Installing sensor well 160 and 200 ltr version Where a Vitotronic 100 and a Viessmann Power/Pump Control Module WARNING are utilized to control DHW production: To ensure optimum, safe operation, 4. Insert the extended capillary of the... -
Page 14: Boiler Water Connections
1. Pipe together boiler and tank as illustrated. Connections must be accessible for service (use factory supplied adaptors). We recommend using Viessmann Flexible Piping of stainless steel (accessory). 2. For: - boiler water supply temperatures over 203°F / 95°C and - 92 and 120 USG / 350 and 450 ltr Fig 9. -
Page 15: Multiple Dhw Tanks
Viessmann recommends the installation of an additional high limit aquastat in the main discharge pipe of the DHW system. This aquastat should be wired in series with the operating aquastat and should be set approximately 9°F / 5°C higher than... -
Page 16: Individual Dhw Tank
Connections Steam Heating Side Connections only for 92 and 120 USG / 350 and 450 ltr capacity Do not use Vitocell indirect-fired hot water storage tanks in superheated steam applications. Use appropriate control strategy. Control strategy must ensure that the values below are not exceeded. Install a steam-side control to regulate DHW temperature and ensure that the DHW temperature does not exceed 210°F / 99°C. -
Page 17: Multiple Dhw Tanks
Connections Steam Heating Side Connections only for 92 and 120 USG / 350 and 450 ltr capacity Multiple DHW tanks The following installation is also subject to local codes and requirements: - Install a steam valve and vacuum breaker between steam supply line and each tank. -
Page 18: Domestic Water Connections
2. Insulate domestic hot water piping and valves. IMPORTANT In order to avoid temperature stratification Viessmann recommends Fig 12. Fig 13. the use of a small recirculation pump between the DHW supply point the DCW supply point in multiple tank arrangements (Figs 14 and 15). - Page 19 Connections Domestic Water Connections (Continued) 42 and 53 USG / 160 and 200 ltr capacity Fig 16. 92 and 120 USG / 350 and 450 ltr capacity Fig 17. Domestic hot water supply Shut-off valve Precharged expansion tank DHW recirculation line Drain (required where back-flow preventer is DHW recirculation pump...
- Page 20 MBH input (see tank flow damage. used to maintain DHW pressure, charts), it is necessary at each job Viessmann strongly recommends the site to confirm that the appropriate installation of an oversized large and correct size T&P valve is used expansion tank to ensure longer, less and installed.
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Page 21: Recirculation Connections
Connections Recirculation Connections H Pipe domestic hot water supply piping H Install recirculation pump, flow-check H Gravity circulation of the recirculation with tank as illustrated. Connections valve and recirculation timer (for system is restricted due to the must be accessible for service (use shut-down during off-hours where upward-curved domestic hot water factory supplied adaptors). - Page 22 Connections Recirculation Connections Recirculation tapping only for 92 and 120 USG / 350 and 450 ltr capacity The recirculation tapping on the tank is also the opening for mounting the temperature and pressure relief valve (T&P valve). If this opening is utilized for recirculation, extend the stainless steel nipple on the tank with a brass tee (field supplied) of the same size as the...
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Page 23: Pressure Drop Information
Appendix Pressure Drop Information Pressure drop on domestic hot water side Pressure drop on heating water side (secondary circuit) (primary circuit) 1000 ltr/min USGPM ltr/h Waterflow USGPM Waterflow 42 and 53 USG / 160 and 200 ltr storage capacity 42 USG / 160 ltr storage capacity 92 and 120 USG / 350 and 450 ltr storage capacity 53 USG / 200 ltr storage capacity 92 USG / 350 ltr storage capacity... -
Page 24: Post Installation
Service Instructions in the Service Binder. 2. Install a protective hanging case near the boiler and store the Service Binder in this location. For a listing of applicable Viessmann literature, please see Important Regulatory and Installation Requirements. Viessmann Manufacturing Company (U.S.) Inc.
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