Data Sheet for Product

Siemens Building Technologies, Inc. Page 3 of 6
Document No. 127-0015
Table 1. Loop Water Controller.
Point Type Description Range/Units
51 LAO Manual Mode 0 = Auto
1 = Manual Loop Off
2 (Not Used)
3 = Auto Calibrate
52 LDO Outside Air Temperature (OAT) Reset Disable/Enable
53 LAO Maximum Outside Air Temperature Reset Degrees
1 – 9°F
54 LAO No Outside Air Temperature Reset Degrees @
50 – 100°F
55 LAO Maximum Outside Air Temperature Reset Degrees @
0 – 50°F
56 LAI Calculated Amount of Reset
°F
57 LAO Tower Valve Temperature Set Point. Used when modulating valve is
used in cooling tower water loop. Valve modulated to control leaving
tower water temperature to this set point. Note: additional control
variables can only be set using LWC keypad/display.
65 – 90°F
58 LAO Boiler Valve Temperature Set Point. Used when modulating valve’s
used in boiler water loop. Valve modulated to control leaving boiler
water temperature to this set point. Additional control variables can
only be set using LWC keypad/display.
40 – 69°F
59 LAO Heat Stage 1 On Set Point
40 – 69°F
60 LAO Heat Stage 2 On Set Point
40 – 69°F
61 LAO Heat Stage 3 On Set Point
40 – 69°F
62 LAO Heat Stage 4 On Set Point
40 – 69°F
63 LAO Heat Stage 5 On Set Point
40 – 69°F
64 LAO Heat Stage 6 On Set Point
40 – 69°F
65 LAO Heat Stage 7 On Set Point
40 – 69°F
66 LAO Heat Stage 8 On Set Point
40 – 69°F
67 LAO Heat Stage 9 On Set Point
40 – 69°F
68 LAO Heat Stage 10 On Set Point
40 – 69°F
69 LAO Heat Stage 1 Off Set Point Differential
1 – 9°F
70 LAO Heat Stage 2 Off Set Point Differential
1 – 9°F
71 LAO Heat Stage 3 Off Set Point Differential
1 – 9°F
72 LAO Heat Stage 4 Off Set Point Differential
1 – 9°F
73 LAO Heat Stage 5 Off Set Point Differential
1 – 9°F
74 LAO Heat Stage 6 Off Set Point Differential
1 – 9°F
75 LAO Heat Stage 7 Off Set Point Differential
1 – 9°F
76 LAO Heat Stage 8 Off Set Point Differential
1 – 9°F
77 LAO Heat Stage 9 Off Set Point Differential
1 – 9°F
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