sorry i didnt check if the link was still live. i bought mine two weeks ago. as for the night drop. htye might not call it that but it sure acts like one. i took a standard herpstat drop cord. connected it to the binary input part of the temp sensor and set it to drop the temp 7 degrees when on. then i tested the setings and sure enough when on the unit only heats to the lower seting. when off it heats to the higher seting. if thats not a night drop what is? im an engineer i test everyting i do before making any claims. read the a419 operatinal and instalation guide. page 4

http://www.froztec.com/manual125188.pdf

Temperature Offset Function

The Temperature Offset function shifts Heating

setpoint lower and Cooling setpoint higher by the value

in the Temperature Offset.

The Temperature Offset is activated by closing a

circuit between BIN and COM. (See Figures 7, 8, or 9.)

The BIN and COM terminals may be connected to a

user-supplied external switching device, such as a

time clock, that has a set of SPST contacts.

This option enables the control to alternate between

two temperature setpoints based on the position of the

binary input switch. The number of degrees added to

or subtracted from Setpoint is established in the

Temperature Offset function (OFS) using the keypad,

as described in Setting Other Functions.

Table 1 shows an example of the effect of the

Temperature Offset function when it is active.

activated.


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