Accessories - Dunkirk DCC-150 Installation, Operation & Maintenance Manual

11.3 ACCESSORIES

11.3.1 OUTDOOR TEMPERATURE SENSOR
To connect this accessory, see figure to side (terminals 4-5)
and the instructions supplied with the sensor.
SETTING THE "Kt" CLIMATE CURVE
When the external sensor is connected to the boiler, the
electronic board adjusts the flow temperature calculated
according to the set Kt coefficient. Select the required curve by
pressing as indicated in the chart below for selecting
the most appropriate one (00 to 90).
Flow temp
(°C)
90-80 70 60 50 40 30
85
80
75
70
65
60
55
50
45
40
35
30
20 15 10 5 0 -5 -10
NOTE:
For temperatures below -40 °F (-40 °C), the maximum heating flow temperature set point no longer increases and the curves
shown on the graph become horizontal.
Outside temp
20
10
00
-15 -20 -25 -30 -35 -40 -45 -50 -55
(°F)
90-80 70 60 50 40
186
176
166
156
146
136
126
116
106
96
86
-60 (°C)
68 60 52 44 36 28 20
27
30
20
10
00
12 4 -4 -12 -20 -28 -36 -44 -52 -60
240011373, REV D (05/02/16)
(°F)
-68 -76