Just use an equation and set the temperature setpoint to it's desired value when you want it on and to -999 when you want it off.
Tset_Tankless = 55*Want_Tankless - 999*(1-Want_Tankless)
Jeff
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Jeff Thornton President - TESS LLC 22 N. Carroll Street, Madison WI USA 53703 Office: (608) 274-2577 Fax: (608) 278-1475 www.tess-inc.com E-Mail: thornton@tess-inc.com
On 05/30/2018 3:51 pm, Bishan Thapa via TRNSYS-users wrote:
Hello everyone,Can we set up a conditional turn on and off mechanism for the "Gas tankless water heater --Type 940". It is my back up heater for the solar combisytem. Unlike the differential controller type 165 , which senses out inputs and controls the pump in solar loop,I cannot see that it takes control signal to turn on and off.Sincerely,Bishan ThapaUniversity Of North Carolina Charlotte
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