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Carrier RTU OPEN 11-808-427-01 User Manual

Carrier RTU OPEN 11-808-427-01
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RTU Open 21
Voltage 300 Vac, power limited
Listing UL: NEC CL2P, or better
To wire the SPT sensor to the controller
1 Partially cut, then bend and pull off the outer jacket of the Rnet cable(s). Do not nick the inner insulation.
Strip about .25 inch (.6 cm) of the inner insulation from each wire.
Outer Jacket
Inner insulation
.25 in.
(.6 cm)
2 Wire each terminal on the sensor to the same terminal on the controller. See diagram below.
NOTE Carrier recommends that you use the following Rnet wiring scheme:
Connect this wire...
Red
To this terminal...
Black
White
Green
+12V
Rnet-
Rnet+
Gnd
Wiring a Supply Air Temperature sensor
Part #33ZCSENSAT
The RTU Open requires a temperature sensor installed in the supply air stream. The Supply Air Temperature
(SAT) sensor is used when the rooftop unit is equipped with electric heating.

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Carrier RTU OPEN 11-808-427-01 Specifications

General IconGeneral
BrandCarrier
ModelRTU OPEN 11-808-427-01
CategoryController
LanguageEnglish

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