ᐅ Air-to-Water Heat Pump: Current Consumption and Data

In my opinion, the purchasing strategy of many companies is flawed.
They should actually compare the purchase prices of their components with the costs of service calls during the warranty period.
In the case of a sensor, for example, where the buyer might save 10 cents, there are often service visits costing 300–400 euros (300–400 USD) in return. And that for a part that costs them about 1–3 euros (1–3 USD)...
But I admit, I might be a bit biased :p

Alessandro schrieb:

Actually, they should compare the purchase prices of their components with the costs of service calls during the warranty period.
In the case of a sensor, where the buyer might save just 10 cents, there are often service calls costing 300–400 euros (about 320–430 USD) involved. And that’s for a part that costs them around 1–3 euros (1.10–3.30 USD)…
But I’m a bit biased on this :p

As I said. Incentives and total cost of ownership including service. So you’re basically at odds with the buyers? :p

But to get back to the topic: I’m already dreading all the problems that might come up. If a small €3 (about $3.30) sensor messes up the entire heat pump control system and my wife starts giving me a hard time.

OWLer schrieb:

As I said. Incentives and TCO including service. So you’re at odds with the buyers? :p

Only with those who earn a commission on the savings :p

I have confirmation 😎

Out of frustration, I just pulled the sensor out of the sleeve at 23.7°C (74.7°F) return temperature with a 12K differential to the supply and hit it against the heat pump. Then I put it back into the return sleeve.

What can I say, I immediately saw a surprising 27.5°C (81.5°F).

Where are the flow and return sensors located in your system? 😱
Can you easily access them there?
In my case, they are inside the outdoor heat pump unit. Unless I fully open the casing and remove what feels like 100 covers, I can’t reach them!

It is installed on the return copper pipe in a welded sleeve on the hot water tower, beneath an insulating cover.

However, this issue is only temporarily resolved. The sensor is still defective and will continue to give inaccurate readings.