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Vitocell 300-V Installation Instructions
53 to 120 USG (200 to 450 Liter) Tank Installation
Temperature sensor installation (when using a Vitotronic
200 / 300 or Vitodens 200)
IMPORTANT
Never wrap insulating tape around the sensor.
1. Carefully pull sensor mounting hardware out from tank
sensor well.
2. Mount sensor on the outside of the sensor spring-clip
(not in the center groove) so that it is flush with the
front of the sensor spring-clip.
3. Push sensor cabling into groove of mounting hardware.
4. Carefully tighten plastic screw to secure sensor cabling
in place.
IMPORTANT
Due to the length of the stainless steel well 15 in. (380 mm),
care must be taken to ensure that the sensing bulb of the
limit is inserted and pushed to the end of the stainless
steel well.
5. Install sensor well and reducing coupling (included in
Connection Fitting Package). Use approved pipe sealant.
6. Mount insulation on sensor well.
7. Insert DHW tank temperature sensor (supplied with
Vitotronic 200 or 300) fully and completely into
sensor well.
WARNING
To ensure maximum operational reliability, use the sensor
well supplied for the control device sensor or probe.
Use a different stainless steel (1.4571 or 1.4435) sensor
well, if the sensor or probe does not fit into the supplied
sensor well.
8. Carefully tighten screw on sensor well to secure
sensor in place.
Note: When using a Vitotronic 100 boiler control, refer to
page 13 for aquastat installation.
Set-up and Connections
9
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