STANDISH, ME - SEPTEMBER 25: Aaron Sinclair, of Dave's World, installs a heat pump at the home of Roland and Dale Bois on September 25, 2018. Sinclair, who has worked installing heat pumps for two ...
In order to service and troubleshoot an air-source heat pump system, a service technician must understand the unit's sequence of operation. This is the order of events the system undergoes to cycle ...
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