Nooby with a MelCloud question

Configuration
1 
Good morning all. I'm a Nooby to Home Assistant so please forgive me if I ask a stupid question or questions that have already be discussed. I have searched this forum and cannot find a solution. 
Anyway, here goes. Running Home Assistant on a Raspberry Pi. Gradually adding all my devices. Added MelCloud for my air to water Ecodan heat pump. Now, I would quite like a button to switch the hot water on for 1 hour. The problem is, that the button to do this is within an entity on home assistant. So this option it takes me to this screen:

1000031340
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And as you can see the button i want to activate is at the bottom.
Now I was under the impression that Ecodan was the Device but all the controls and sensors within the devices are the entities? So in theory, the tank target temperature and the force hot water should be different entities.
Many thanks in advance for you (hopefully) kind replies.:smiling_face:

2

You should use climate. service calls i.e:

action: climate.set_hvac_mode
data:
  hvac_mode: cool
target:
  entity_id: climate.klima1

My device klima1 is, by the way, also connected via melcloud.

3

Many thanks for your reply @IgorZg. I think I’ll have to spend some time getting up to speed on inputting the code. I’m afraid I’m just getting to grips with using HA so im not at level of writing the YMAL yet.

4

You don’t have to input YAML code directly. HA provides possibility to enter code in kind ouf GUI mode. I copied example in YAML because it is easier for exchange in forum.
Just try creating automation, scripts or test service calls via Developer tools → Actions.

Best regards!

5

Again @IgorZg many thanks for your reply. I feel like I’m way out of my comfort zone on this. I’ve gone into Developer Tools and if i click on the Water Heater I get this:
Processing: 1000031381.jpg…

Are you saying that if I set up the Automation within Developer Tools should be able to access the Auto/Force Hot Water button?

6

I don’t know what exact actions are possible with your device, but yes, you can test it via Developer Toolss → Actions.
After that, you can write some automations via Settings → Automations and Scenes.