OEC 9800 Periodic Maintenance Procedure
20
Table 1 (100 – 127 VAC)
If the primary of
T1 voltage
measures
between …
The WHT/BLU
wire should be
connected to
Primary #1
The BRN wire
should be
connected to
Primary #1
The BLU wire
should be
connected to
Primary #2
The
WHT/BRN
wire should
be
104.0 to 109.9
6
113
6
113
110.0 to 115.9
0
113
0
113
116.0 to 121.9
6
125
6
125
122.0 to 128.0
0
125
0
125
Table 2 (200 – 250 VAC)
If the primary of
T1 voltage
measures
between …
The WHT/BLU
wire should be
connected to
Primary #1
The BRN wire
should be
connected to
Primary #1
The BLU wire
should be
connected to
Primary #2
The
WHT/BRN
wire should
be connected
196.0 to 207.9
0
101
0
101
208.0 to 219.9
6
113
6
113
220.0 to 231.9
0
113
0
113
232.0 to243.9
6
125
6
125
244.0 to 256.0
0
125
0
125
Note
:
In the next step, the voltage measured at the wall receptacle will drop immediately after the exposure is
started. Read the meter at this time.
3.
Measure the AC line voltage (Voltage No Load = Vn) at the wall receptacle where the equipment is used.