User's Manual

MDR2400-SR, MDR5800-SR and Orion 5825-SR
Issue 10 Page 33
4.2.3 Connecting a DC Power Supply
WARNING – See section 0 for specification of the power supply.
1. Observing the polarity of the supply, wire up the supplied power connector cable
plug and connect it to the DC supply (Voltage range as indicated on the Indoor
Unit) through a minimum 2 A slow blow circuit breaker.
2. Check the supply voltage using a multimeter.
3. Secure the connector screws to the unit.
DC Power Connector Pinouts (MDR IU)
Indoor unit connector: GREY Pin
No
Signal
+
DC POWER
2-pin Wieland Type 8213 Socket
-+
DC
-
DC POWER RETURN
DC Power Connector Pinouts (Orion IU)
Indoor unit connector:
GREEN
Pin
No
Signal
+
DC POWER
GND
GROUND PIN
3-pin Phoenix Type 18.27.87.1
Socket
-
DC POWER RETURN