Riello NXHM - Inverter Module

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ENGLISH
22 CN30
1 2 3 4 5 Port for communication with the wired controller
6 7 Communicate port between indoor unit and outdoor unit
9 10 Port for internal machine cascade
23 CN7
 &RPSUHVVRUUXQ'HIURVWUXQ
25 29 Port for antifreeze E-heating tape (external)
27 28 Port for additional heat source
24 CN11
1 2 Input port for solar energy
3 4 15 Port for room thermostat
5 6 16 Port for SV1 (3-way valve)
7 8 17 Port for SV2 (3-way valve)
9 21 Port for zone2 pump
10 22 Port for outside circulation pump
11 23 Port for solar energy pump
12 24 Port for DHW pipe pump
13 16 Control port for tank booster heater
14 17 Control port for internal backup heater 1
18 19 20 Port for SV3 (3-way valve)
25 CN2 TBH_FB Feedback port for external temperature switch (shorted in default)
26 CN1 ,%+B)% Feedback port for temperature switch (shorted in default)
27 CN22
IBH1 Control port for internal backup heater 1
IBH2 Reserved
TBH Control port for tank booster heater
28 CN41 HEAT8 Port for anti-freeze electric heating tape (internal)
29 CN40 HEAT7 Port for anti-freeze electric heating tape (internal)
30 CN42 HEAT6 Port for anti-freeze electric heating tape (internal)
31 CN29 HEAT5 Port for anti-freeze electric heating tape (internal)
32 CN32 IBH0 Port for backup heater
9.3.2 Inverter module
Code Assembly unit
1 Output port for +15V(CN20)
2 Port for communication with PCB B (CN8)
3 Compressor connection port W
4 Compressor connection port V
5 Compressor connection port U
6
Input port P_out for IPM module
7 Input port P_in for IPM module
8 Input port for high pressure switch (CN23)
9 Power for switching power supply (CN2)
10 3RZHU¿OWHULQJ//
11 3RZHU¿OWHULQJ//
12 3RZHU¿OWHULQJ//
13 PED board
CN12
CN1
CN23
CN2
CN8
CN22
CN20
CN15
CN14
CN13
CN7
CN16
CN5
1
2
5
4
3
6
8
9
7
13
10
11
12