User Manual

MDR5800 User Manual

862-01881 Issue 6 Page 30

4.2.5 Connecting Auxiliary In/Out (Optional)

The auxiliary in/out port is used to:

• Monitor switch-closure events using two isolated inputs.

• Control line connections using normally-open and normally-closed relay

outputs.

Connect the port:

1. Assemble an auxiliary in/out cable using a High density 15 way D-type male

connector according to connector pin assignments shown in Table 4.

2. Connect to the cable Indoor Unit auxiliary in/out connector.

3. Secure the connector using locking screws.

Table 4. Auxiliary In/Out Connector Pin Outs

Indoor unit connector Pin

Signal

1 OUTPUT 1 COMMON

2 OUTPUT 1 NORMALLY-OPEN

3 OUTPUT 1 NORMALLY-OPEN

4 OUTPUT 1 NORMALLY-CLOSED

5 OUTPUT 1 NORMALLY-CLOSED

6 OUTPUT 1 COMMON

7 OUTPUT 2 COMMON

8 OUTPUT 2 COMMON

9 OUTPUT 2 NORMALLY-OPEN

10 OUTPUT 2 NORMALLY-OPEN

11 OUTPUT 2 NORMALLY-CLOSED

12 INPUT 1

13 INPUT 1 RETURN

14 INPUT 2

15-pin High density D-type female

15 INPUT 2 RETURN