


Owners: if your installation includes an external controller, contact your installing dealer, or the external controller manufacturer, for external controller operating instructions. These instructions are for quick-starting in the HEATING mode... Owners of Heat-Cool units, in order to utilize all features of their heater, will certainly want to also refer to: Owner Level Programming, beginning on page-14 of this manual. 1. Verify Electrical Power is Present at Heater: A. Ensure that the unit ha