Trolmaster Hydro-X - Thermostat Station (TS-1)Overview The TS 1 thermostat station is designed to replace a thermostat connected to a conventional cool only HVAC unit. It allows separate Day Night settings for up to 4 TS modules, meaning multiple HVAC systems can be controlled by a single unit. General Information The TS 1 is wired to the HVAC system using the same low voltage thermostat cable, and has the standard color coded wiring as most thermostats. Output Voltage 24V Maximum Current 1A