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BACnet and Modbus Protocol
No serial card is required if Modbus over RS485 serial port
(J11).
A Serial card is required to be plugged in the J13
connector if Bacnet over RS485 (MSTP) or IP.
Figure 19: Location of Serial Port on
Controller
Appendix
Table 20: Tightening Torque
Model
Compressor
Mounting
LRMIFS0300AXY1
M8
LRMIFS0600AXY1
(13 Nm)
LRMIFS0900AXY1
Graphic
Presentation
T-CU19-JAN24-1
Main Cap Service Valves
Suction: M22*1.0mm (30-35 Nm)
Liquid: M18*1.0mm (25-30 Nm)
Suction: M25*1.0mm (42-47 Nm)
Liquid: M18*1.0mm (25-30 Nm)
Suction: M33*1.5mm (42-47 Nm)
Liquid: M25*1.0mm (25-30 Nm)
Software Update
The pCO smart key can be used to load the program into
the controller. It is connected directly via the telephone
connector using the cable supplied, with the power supply
coming from the controller.
Figure 20: pCO Smart Key
Tightening Torque (Nm)
Main Cap Ball
Liquid Receiver
Valve
Brazed Connection
M16*1.5mm
(10-15 Nm)
Plug 3/8"NPT
(18-22 Nm)
Schrader Valve;
Charging port
7/16" - 20UNF
(14-16 Nm)
N/A
Page 27
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