Matsya Purana 266.41

266.41

saurāḥ sūryasya japtavyāstathānyeṣu tadāśrayāḥ.
vedamantrapratiṣṭhā tu yasmādānandadāyinī .. 266.40

In the consecration of the Sun, the mantras sacred to the Sun should be recited, and similarly in the consecration of the other Devas mantras sacred to them should be recited, for one gets everlasting benefits by consecrating the Divine idols by reciting the Vedic mantras of the respective Devas.—40