Converting AC to Aquarium Chiller

[tiger6222]

Hi i m newbie to this forum hope all the pro n expert can help. If the question been ask b4 please lead me to the link. Thanks

My problem is... i have converting a AC compressor to a aquarium chiller. everything is fine, compressor is running. But after running for about 5-15 minute the connector is blocked the gas to flow though. Open it to see and there is a ice up inside. Been told that is over top-up the gas but decrease from 70 to 30 but the problem insist.

Appreciate for all your valuable input.

Thanks

[Brian_UK]

If ice inside system then air is present.

You need to evacuate the system until it is dry before charging with refrigerant.

[tiger6222]

Thanks Brian_UK.
Sorry to ask how to evacuate the system? i mean the distance from the compressor unit to the dip in coil is about 30ft.

[DEVIL]

Use a vacuum pump to vacuum the system.
What size AC unit, and what size aquarium, circulation pump, or coil directly in the aquarium, what size coil .......

[tiger6222]

Hi...vacuum the system alrd..... but encounter another problem. refill the gas fully but the next day empty gas in the system.

Anyone know how to check the leaking??