Installation manual

InRow RC Installation Manual14
Connections
All connections to and from the equipment can be made through either the top or the bottom of the equipment.
All connections are made with quick-disconnect connectors so no soldering, welding, or gluing is necessary.
See the following tables for information about the sizes and types of connectors.
Power Connections for Power Feed A and Power Feed B
Model
Minimum Circuit
Ampacity (MCA)
Maximum Overload
Protection (MOP)
Full Load Amperes
(FLA)
Rated Load Amperes
(RLA)
ACRC500 10.9 15 - -
ACRC501 6.8 15 - -
ACRC502* 7 15 5.8 5.8
*Consult local and national codes for wire size, conduit requirements and overload protection.
Piping Connections Type ACRC500 ACRC501 ACRC502
Chilled water supply Union* 1 1/2 in. NPSM 1 1/2 in. NPSM 1 1/2 in. NPSM
Chilled water return Union* 1 1/2 in. NPSM 1 1/2 in. NPSM 1 1/2 in. NPSM
Condensate drain 1/2 in. female NPT
or 1/2 in. female
BSPT fitting
1/2 in. female NPT
or 1/2 in. female
BSPT fitting
1/2 in. female NPT or
1/2 in. female BSPT
fitting
* If the ring seal is damaged, use a new seal (supplied) to prevent leakage. Torque union to 20 Nm (15 ft-lb).
Communication Connections Type Minimum Wire Size Maximum Wire Size Torque
Rack temperature 1 RJ-45 - - -
Rack temperature 2 RJ-45 - - -
Rack temperature 3 RJ-45 - - -
A-Link IN RJ-45 - - -
A-Link OUT RJ-45 - - -
Network port RJ-45 - - -
Console port DB 9 - - -
Customer output, NC—Normally
Closed
Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Customer output, COM—Common Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Customer output, NO—Normally
Open
Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(
AWG 18) 0.6 Nm
Supply GND Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Supply 12 VDC Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Supply 24 VDC Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Customer input + Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Customer input - Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Modbus D1 Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Modbus D0 Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Modbus GND Screw connector 0.2 mm
2
(AWG 24) 0.75 mm
2
(AWG 18) 0.6 Nm
Temperature sensor (front) RJ-45 - - -
Humidity sensor (front) RJ-45 - - -
Display interface RJ-45 - - -