As part of the closing of your purchase, you'll need to fund the remainder of your downpayment. Your mortgage lender will require your downpayment is in place before they fund the mortgage, which enables the purchase of the property.
We generally recommend wiring the remainder of the downpayment 3 business days before the close date. The wiring instructions can be provided by your real estate agent or the escrow agent (it is generally the same wiring instructions as the initial deposit).