Tcs basys SZ2161 heat pump water loop control


Subject: Tcs basys SZ2161 heat pump water loop control
heat pump water loop controller
The SZ2161 is a microprocessor-based controller designed for water source heat pump plant control applications.
• Stand-alone or network operation
• 365-day time clock with two holiday schedules, automatic leap year and daylight savings correction
• No backup battery required for control parameters, schedule or clock
• Supply and return condenser water temperature inputs
• Supply and return loop water temperature inputs
• Outdoor air temperature inputs
• Boiler supply water temperature input
• Four digital inputs for status
• External time clock input
• Local override and remote override capability
• 12 digital outputs for control of
• 2 fan speed selections
• Adjustable offsets and differentials on relay outputs
• Two modulating analog outputs for speed drive or boiler
• LEDs for monitoring status
• Automatic rotation of pumps
• Automatic rotation of boiler stages