It is understood that formerly there was a Deity of Lord Ramacandra there (in Vatapani). Later the Deity was replaced with a deity of Lord Siva known as Ramesvara or Bhutanatha

Expressions researched:
"It is understood that formerly there was a Deity of Lord Rāmacandra there. Later the Deity was replaced with a deity of Lord Śiva known as Rāmeśvara or Bhūtanātha"

Sri Caitanya-caritamrta

CC Madhya-lila

Vetāpani, or Vātāpāṇī, is north of Kaila in the Tamil Nadu state. It is also known as Bhūtapaṇḍi and is within the jurisdiction of the Tobala district. It is understood that formerly there was a Deity of Lord Rāmacandra there. Later the Deity was replaced with a deity of Lord Śiva known as Rāmeśvara or Bhūtanātha.

CC Madhya 9.225, Translation and Purport

After visiting Mallāra-deśa, Caitanya Mahāprabhu went to Tamāla-kārtika and then to Vetāpani. There He saw the temple of Raghunātha, Lord Rāmacandra, and passed the night.

Tamāla-kārtika is forty-four miles south of Tirunelveli and two miles south of Aramavallī Mountain. It is located within the jurisdiction of Tovalai. At Tamāla-kārtika is a temple of Subrahmaṇya, or Lord Kārtika, the son of Lord Śiva.

Vetāpani, or Vātāpāṇī, is north of Kaila in the Tamil Nadu state. It is also known as Bhūtapaṇḍi and is within the jurisdiction of the Tobala district. It is understood that formerly there was a Deity of Lord Rāmacandra there. Later the Deity was replaced with a deity of Lord Śiva known as Rāmeśvara or Bhūtanātha.