No such entitlement should be inferred. Clarify the permitted arrangement under the actual official instructions before sending partial payments.
Separate a bank setting from program terms
The official FAQ describes the gift after successful vetting and bank instructions. An online transaction ceiling does not reduce the gift, create an approved schedule or establish that a partial amount completes the obligation. Two questions are being run together, and only one of them has anything to do with the programme.
Whether a bank will move a given sum in a single transaction is a question of that bank's product limits, its identification procedures and its own risk policy. What the applicant is required to pay, in what form, and with what reference, is fixed by the instructions issued for the actual case. A limit on the first question changes nothing about the second.
Hypothetical example: an applicant sends a portion of the instructed amount on the reasoning that a partial payment demonstrates commitment and holds a place while the balance is arranged. Nothing in that reasoning creates an approved schedule, reduces what remains owing, or gives the partial sum a status it would not otherwise have, and a payment that cannot be matched to an application is harder to trace afterwards than one that was never sent. Ask, in writing, what arrangement is actually permitted before moving any money.