can you set the discharge air temp? if you set it at 45 that should cool the space and the heating coil should open to bring the temp up to keep from tripping. check to make sure your hw valve is opening.
This is what I was thinking. Your HHW Valve should be starting to open. No way you want to send 33 F air to the space, unless this is process cooling and if it is, then it wasn't designed correctly.