[TRNSYS-users] get problem with the five stages thermostat

Jay Zhu zhujiang1124 at gmail.com
Mon Apr 4 05:59:50 PDT 2011


Hey, everyone,
I get a very often problem for most of my simulations when i use the five
stages thermostat type 108.
I connect type 108 with the building type 56 and air source heat pump type
665, and i set the heating setpoint and cooling setpoint as 20C and 26C
seperately, and the dead band is still 2C.   The thermostat keep switch
the air souce heap pump between cooling and heating very often, even
when summer time, the heating will be switch on,
Later i have to change the heating setpoint to 18C , but it still has
some problem.
Does anyone kindly tell me what the problem is ? And how should i play with
this controller?

Thank you !


Jiang Zhu
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