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Operating instructions
for system users
Vitotherm ES4
Version ES4.A5 K
Version ES4.A5 OK
Version ES4.A5 OTK
Electric water heater
VITOTHERM ES4
6167225 GB
11/2020
Please retain for future use

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Summary of Contents for Viessmann Vitotherm ES4

  • Page 1 Operating instructions for system users Vitotherm ES4 Version ES4.A5 K Version ES4.A5 OK Version ES4.A5 OTK Electric water heater VITOTHERM ES4 6167225 GB 11/2020 Please retain for future use...
  • Page 2 Safety instructions For your safety Before commissioning and operating the appliance, please read the documents enclosed with the appliance. Follow the safety instructions closely to prevent hazards, injury and material losses. Store the supplied documents in a safe place. Safety instructions explained Danger Note This symbol warns against the...
  • Page 3 Safety instructions For your safety (cont.) Working on the appliance Cleaning the appliance ■ Clean the exterior of the appliance ■ All settings and work on the appliance with a commercially available must be performed as specified in domestic cleaning agent. these operating instructions.
  • Page 4 Safety instructions For your safety Operation of the appliance Installation room requirements ■ Danger For showers, the DHW temperature must not exceed 55 °C. Easily flammable liquids and If necessary, have safety equipment materials (e.g. naphtha/petrol, installed to prevent scalding. solvents, cleaning agents, paints or ■...
  • Page 5 Safety instructions For your safety (cont.) If water escapes from the appliance Faults on the appliance ■ Danger Isolate the appliance from the power supply, e.g. at the separate fuse or If there are leaks in the appliance, a mains isolator. there is a risk of electric shock.
  • Page 6 Operating instructions Intended use The appliance is used for the heating of Any use that differs from or goes beyond this domestic hot water and can supply one or is considered inappropriate. more draw-off points as applicable. Intended use also extends to compliance with these instructions and with the instructions for The appliance is intended for domestic use.
  • Page 7 Operating instructions Operation Switching on Draining Caution The appliance may be damaged if it is Caution switched on before it is completely filled. The appliance may be damaged if Do not switch on the appliance until the operated in areas at risk from frost. integral cylinder is completely filled with If there is a risk of frost, drain the water.
  • Page 8 Operating instructions Operation (cont.) Operation (cont.) Venting 1. Switch off the power supply, e.g. at the Caution Air in the water installation may damage separate fuse or a mains isolator. the appliance. Vent the system after working on the 2. Open and close the hot water tap several appliance or the water installation.
  • Page 9 Operating instructions Specification VITOTHERM DHW cylinder ES4.A5 K ES4.A.5 OK ES4.A.5 OTK Contents Voltage 220 - 240 V~ Rated output 2000 Rated current 8.3 - 9.1 Temperature range °C 23 - 70 Pressure resistance Dimensions (height x width x depth) 427 x 285 x 163 Weight (dry)
  • Page 12 Viessmann Werke GmbH & Co. KG D-35107 Allendorf Phone: +49 (0)6452 70-0 Copyright: Viessmann Poland. The reproduction, copying or use of this document Fax: +49 (0)6452 70-2780 or parts thereof without the consent of the author is not permitted. 10/2020...