Has anyone got healer tips? > SCH mainly

[Aphos]

I almost exclusively play Sch in PvP so I can offer some advice, atleast from my experience (~920 games, half of which healing)

Field Commander set is alright, I maybe used it for a day, the only thing special you get from it is INT. (INT build Sch is fun if you're REALLY bored, but honestly pretty useless) But if it's working for you, keep using it. Adlo spam is king, the only time I'm not using adlo is if either: I have them shielded and want them topped off (and they shield won't be removed during my cast) or... actually yeah I can't remember any other reason to use physick or something. Mana generally isn't an issue save for long engagements.

I personally don't use sacred soil, it's not worth the stack and it assumes people will actually be inside of it, which is very rare. In an average fight, per aetherflow it's most likely just a spread of 2 lustrate 1 indom.

Priority targets should always be highs/fevers, pocket heal those suckers, they're (fevers) worth something like 25 or 30 points I don't remember, so my mentality is that if I die to get them out it's still worth it (obviously life is good when nobody dies), if your co healer is in trouble lend them a hand, but honestly unless it's a WHM I kinda just say to myself "meh save yourself" because AST and SCH are more than capable of handling upwards of 5 people on them at any time.

I use 2 VIT accesories and food, I just am only comfortable with over 11k hp, and no it does not hinder my healing done, I very often am the second highest healer in the game behind my premade co healer (WHM). If you are on PC get in the habit of clicking attune off, if you are on controller use the macro /statusoff "Attunement" to do so. Attune is great, but the only reason I will EVER use it for the full 10 seconds is if I absolutely NEED more time on my cooldowns and I'm getting completely focused. 95% of my attunes will be cancelled out of early (most players will not expect it, i primarily use attune for an on spot invincibility vs LB chains or deathflares)
Focal is beast, I just about use it on CD.
Equanimity is a little more situational, because of adlo and lustrate you will be getting interrupted (or having that affect you) very seldom, unless it's a battle high or fever having 1-2 players on you shouldn't be an issue, but it's usually a good time to use equa assuming: You cannot surecast an adlo onto yourself, or kite into the backline, You have no lustrates, or few left. I use Equa when im like, "ehh im getting a little uncomfortable and my party needs healing". But yeah I use it when I'm under slightly above average pressure (2-3 people, or a fever)

Your pet! Your fairy is for eating!... sort of. I never use selene, as much as i want a reason, I can't find one. The only thing i can think of is Fey Caress to self esuna sleep but that requires her to be on sic, which means that will probably be on CD thanks to the AI. Eos awesome, she gives you your only aoe regen, another focalization and a healing steroid when the going gets tough, every one of her skills is useful. In terms of using dissipation, I love that skill, It's a necessity for getting away from large groups (being chased by them) and if your party is under a lot of pressure those 3 stacks are gonna take you a lot further than an Eos only using embrace (assuming you already dumped her skills). But yeah I use dissipate a lot.

Hope I could offer some help.

edit: someone above mentioned bliz 2 so now i feel inclined to mention my GOD I love blizz 2. That skill is MVP