82 RT-SVX36G-EN
Installation
– Exhaust/Return Dampers - Closed (if equipped)
– OA Dampers - Closed
– Heat - All heat stages Off (staged gas and elec.), Hydronic
– Heat & Mod Gas Heat output at 0%.
– Occupied/Unoccupied output - De-energized
– VO Relay - Energized (with VOM module installed)
– OA Preheater State - Off (with VCM module installed)
FIRE
– Supply Fan - Off
– Inlet Vanes - Closed (if equipped)
– Exhaust/Return Fan - Off (if equipped)
– Exhaust/Return Dampers - Closed (if equipped)
– OA Dampers - Closed
– Heat - All heat stages Off (staged gas and elec.), Hydronic
– Heat & Mod Gas Heat output at 0%.
– Occupied/Unoccupied output - De-energized
– VO Relay - Energized (with VOM module installed)
– OA Preheater State - Off (with VCM module installed)
The UCM network relies on various sensors located throughout the system to provide temperature
information in the form of an analog input. All of the sensors used have the same temperature vs.
resistance co-efficient and are made from Keystone Carbon D97 material with a 1 degree
Centigrade tolerance.
Table 30. Temperature vs. resistance coefficient
Temperature (°F)
Resistance
(in. 1000 Ohms) Temperature (°F)
Resistance
(in. 1000 Ohms)
-40 346.1 71 11.6
-30 241.7 72 11.31
-20 170.1 73 11.03
-10 121.4 74 10.76
-5 103 75 10.5
0 87.56 76 10.25
5 74.65 77 10
10 63.8 78 9.76
15 54.66 79 9.53
20 46.94 80 9.3
25 40.4 85 8.25
30 34.85 90 7.33
35 30.18 100 5.82
40 26.22 105 5.21
45 22.85 110 4.66
50 19.96 120 3.76
55 17.47 130 3.05
60 15.33 140 2.5
65 13.49 150 2.05
66 13.15 160 1.69
67 12.82 170 1.4
68 12.5 180 1.17
69 12.19 190 0.985
70 11.89 200 0.83
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