Campbell Scientific 52202 52202 Electrically Heated Rain and Snow Gage - Page 8

52202 Electrically Heated Rain and Snow Gage 4. Wiring WARNING After mounting the 52202, level the gage and remove the shipping retainer by performing the following procedure: 1. Loosen the three screws that retain housing to base assembly (see Figure 3-1). Carefully lift housing free of base. 2. Remove shipping retainer from bucket. Verify that bucket tips freely. 3. Adjust leveling screws until bulls eye level is centered. 4. Replace housing and retighten screws. Disconnect heater power before attempting to service or repair this equipment. Failure to do so may result in personal injury or death due to electrocution. 4.1 Heater Wiring Attach the power plug supplied with the 52202 by following the instructions supplied with the plug. This gage requires an adequately grounded, reliable source of 24 Vac power. 4.2 Wiring to a Pulse Channel NOTE When Short Cut software is used to generate the datalogger program, the sensor should be wired to the channels shown on the wiring diagram created by Short Cut. The 52202 is typically wired to a datalogger's pulse channel (see Table 4-1). TABLE 4-1. Wiring for Pulse Channel Input Color Description CR800 CR1000 CR3000 CR5000 Black Signal Pulse Channel White Signal Return Clear Shield CR500 CR510, CR10(X) Pulse Channel G 21X, CR7, CR23X Pulse Channel CR200(X) Series P_SW G 4