User manual ELRO (ROOS ELECTRONICS) CS92S

[. . . ] 3) Press SET to save setting and enter next feature setting. 4) Press OK to save setting and return to normal display. the HOLD symbol will display on the top until the Vacation finish. 5) To cancel the Vacation setting, enter feature setting , Press "SET" two times to change the day to 0 to cancel. [. . . ] In this way, the moment of connecting can be regulated, or the temperature with which the thermostat turns on the heating system. The heating system will turn on at 19, 5°C an turn off at 20, 5°C. Heat / Cool cycle temperature differential, (SPAN-adjustment), CYCL displays at bottom, 1 or 2 in the middle and select button at its left. Press SET three times to enter the "CYCL" setting. 2) Press SET to save setting and enter next feature setting. 3) Press OK to save setting and return to normal display. Back light enable/disable, bLIT displays at bottom, oF or oN in the middle and select button at its left. Press SET four times to enter the BLIT-setting (ON 5 seconds after each press button). 2) Press SET to save setting and enter next feature setting. 3) Press OK to save setting and return to normal display. Early Start (Energy Management) enable/disable, ELST displays at bottom, oF or oN in b. The thermostat has three outlets, the contact in the middle is the main contact with the letters COM. This contact always needs to be connected. The contact on the left with the letters NO is opened in idle state (normally open). The contact on the right with the letters NC is closed in idle state (normally closed). The two most common connections are explained below. Warning: Turn off the power of the boiler before you start connecting the thermostat, in case of doubt, always contact your boiler installer. Connection 1 The current thermostat is connected with twee wires, these wires need to be connected on the COM and on the NO, it makes no difference where the wires will be connected. connection 2 Another often used connection is the drie degree connection of a Vaillant boiler. Of this three degree connection, a two degree connection will be made. In this case you must change a bit on the terminal block of your boilerl. the diagram besides is a connection of a Vaillant boiler. [. . . ] In this case you must change a bit on the terminal block of your boilerl. the diagram besides is a connection of a Vaillant boiler. A potential resistance between 4 and 5 must be taken out. De thermostat will not or not function properly on other batteries. [. . . ]