Code Description Def Min Max UOM User
User
terminal
St2 Air on probe set point with double thermostat 50 r1 r2 °C/°F S NO
rd2
Set point St2 differential with double thermostat
0.0 = function disabled
0 0 20 °C/°F S NO
db1
Double thermostat function logic
0/1: AND logic/OR logic
0 0 1 - M NO
The control request occurs:
l when this is active on both probes, as if there were two thermostats in series, when db1 = 0. At night
the intake probe is controlled and the outlet probe always signals the request, in the day the outlet
probe is controlled and the intake probe always signals the request.
l when one of the probes signals the request, as if there were two thermostats in parallel, when db1 =
1
Fig.5.j
Fig.5.k
Ref. Description
Sm outlet probe (air off)
Sr intake probe (air on)
R control request
Ref. Description
rd differential for St
rd2 differential for St2
Below is an example of the temperature trend on a vertical showcase during the day and at night.
Fig.5.l
56|5. Functions
MPXone +0300086EN rel. 1.0– 04.09.2018
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