9
Name
Address
DIP Switch ID
1
2
3
4
5
6
Air return temp/humid 1
1
ON
OFF
OFF
OFF
OFF
OFF
Air return temp/humid 2
2
OFF
ON
OFF
OFF
OFF
OFF
Air return temp/humid 3
3
ON
ON
OFF
OFF
OFF
OFF
Air return temp/humid 4
4
OFF
OFF
ON
OFF
OFF
OFF
Cold aisle temp/humid 1
11
ON
ON
OFF
ON
OFF
OFF
Cold aisle temp/humid 2
12
OFF
OFF
ON
ON
OFF
OFF
Cold aisle temp/humid 3
13
ON
OFF
ON
ON
OFF
OFF
Cold aisle 4 temp/humid 4
14
OFF
ON
ON
ON
OFF
OFF
Cold aisle 5 temp/humid 5
15
ON
ON
ON
ON
OFF
OFF
Hot aisle temp/humid 1
21
ON
OFF
ON
OFF
ON
OFF
Hot aisle temp/humid 2
22
OFF
ON
ON
OFF
ON
OFF
Hot aisle temp/humid 3
23
ON
ON
ON
OFF
ON
OFF
Hot aisle temp/humid 4
24
OFF
OFF
OFF
ON
ON
OFF
Hot aisle temp/humid 5
25
ON
OFF
OFF
ON
ON
OFF
Installing a Micro Differential Pressure Sensor
5.3
Connect a pressure inlet tube to the + mark and route it to the positive pressure area of the
equipment room through the hole atop. Ensure that the pressure inlet faces downwards.
Connect a pressure inlet tube to the – mark and route it to the cabinet top through the hole
atop (at the air return side).
Connect the cable terminals of the micro differential pressure sensor to the 4, 5, and 6 terminals
of X502.
Model without heating
Model with heating