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Terminal Unit
Control (TUC)
100 UNT-IOM-6
Table 39. Autocycle Test Staging
Stage LEDs (1) Fan-Coil Output Exercised
1 2 3 4
0 Off
1
l Fan low speed
2
l Fan medium speed
3
ll Fan high speed
4
¡l Economizer/damper
5
¡l ¡l Cooling valve
6
¡l l ¡ Heating valve
7
¡l l l Electric heat stage 1
8
l¡¡¡ Electric heat stage 2
9
l¡¡l Not used
10
l¡l¡ Reheat
11
l¡ll Not used
12
ll¡¡ Not used
13
ll¡l Not used
14
lll¡ Not used
15 Not used
(1) l = the LED is illuminated
¡= the LED is off