Sri Chakra (Yantra) Sthapana

I have received a 2D Sri Yantra and would like to install in my Home for daily Puja. I haven't been initiated into Panchadasi mantra. Is there any formal way to perform special puja while installing in my puja - temple ?  I am also planning to perform a small yagna (self) on the same day. Kindly suggest the preferred mantra while performing yagna.
Thanks & Regards,
Prof. Hardik Joshi (Ahmedabad)

[RAVI]

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Dear Shri Raviji,

Thank You so much...

Henceforth, I'll take care to search before putting in the queries...

Regards,

Hardik