Search found 5 matches

by gudman
Tue Dec 19, 2023 5:14 am
Forum: General
Topic: BorgWarner 7kw PTC high voltage coolant heater
Replies: 11
Views: 8316

Re: BorgWarner 7kw PTC high voltage coolant heater


Is the failure always in this spot?


No. For many, the failure is located right at the inlet of the heater. In my first message there is a photo of such a breakdown. Yes, and you are right about the film heating element! I didn't notice this right away in the specification. However, I do not ...
by gudman
Mon Dec 18, 2023 3:40 pm
Forum: General
Topic: BorgWarner 7kw PTC high voltage coolant heater
Replies: 11
Views: 8316

Re: BorgWarner 7kw PTC high voltage coolant heater


Are the 2 thin traces a thermistor? If so, that should be more in the middle of the heat source - or use a thermal imager to sense the temperature and locate it in a more accurate or the hot spot.

As far as I know this is a ceramic heating element. It is rigidly connected to the heat exchange ...
by gudman
Mon Dec 18, 2023 8:21 am
Forum: General
Topic: BorgWarner 7kw PTC high voltage coolant heater
Replies: 11
Views: 8316

Re: BorgWarner 7kw PTC high voltage coolant heater

This heater is very similar to the Webasto HVH50. I saw a discussion thread here on the forum. However, I still have questions about whether a replacement is possible. But the main question is why a micro explosion of the heater spiral occurs. This is widespread. Many users have encountered this ...
by gudman
Mon Dec 18, 2023 8:16 am
Forum: General
Topic: BorgWarner 7kw PTC high voltage coolant heater
Replies: 11
Views: 8316

Re: BorgWarner 7kw PTC high voltage coolant heater

OK. Thank you so much. This is my first post on this forum. I will be more careful in the future!
by gudman
Mon Dec 18, 2023 5:58 am
Forum: General
Topic: BorgWarner 7kw PTC high voltage coolant heater
Replies: 11
Views: 8316

BorgWarner 7kw PTC high voltage coolant heater

Hello community!
This type of heater is installed on Zeekr X/001 machines.
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With the advent of cold weather, frequent cases of heater failure began to be observed.
In all cases, it’s about the same thing, an explosion of one of the heater ...