Deductions & credits

I am having the same issue. I understand it's a credit and I already receive half of it, but I feel like it's being calculated incorrectly. The first half, that I already received, should be on line 19 as a nonrefundable credit, meaning it should reduce my tax liability and the second half which I am due should be on line 28/32 as refundable credit that I should get the balance of after my tax liability is taken care of. This is not what is happening and I don't know how to fix it.