VRF AHU KIT4

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6.3 Terminal assignment of electrical connections
Observe the information on the VRF-AHU Kit label and wire it according to the descriptions in
the following illustrations.
Notes
• Ensure that the device and network addresses are set correctly before commissioning.
• Use shielded, flexible 2-core cables and ground the shield.
Illustration 6-1
N, L (CN1)
Power supply connection terminal 230 V, 1 phase, 50 Hz.
ALARM (CN9)
Digital output 5 A – 250 VAC or 5 A – 30 VDC. When outdoor unit has
malfunction, signal is activated. Disconnect means no alarm. Close means
alarm.
DEFROST (CN8)
Digital output 5 A – 250 VAC or 5 A – 30 VDC. When outdoor unit is in
defrost mode, signal is activated. Disconnect means no defrost. Close
means defrost.
Q, E, P
Terminal to communication cable between controller and outdoor unit.
Should not be less than 3 x 0.5 mm² (shielded).
COOL (CN6)
Digital input. When terminals are closed, the unit is operating in cooling
mode and „COOL“ LED lights up.