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10. Control Boards
10.1 Main Control Board
Code
Assembly unit
1
Power input port from Main control board (CN1)
2
Port for communication with Inverter module (CN43)
3
Port for flow remote switch (CN15)
4
Port for flow switch (CN16)
5
Port for high pressure switch (CN18)
6
Port for low pressure switch (CN17)
7
Reserved (CN3)
8
Reserved (CN7)
9
Port for TH temp sensor (CN5)
10
Port for TP temp sensor (CN4)
11
Port for T2, T2B, TW-in, TW-out temp sensor (CN10)
12
Reserved (CN9)
13
Reserved (CN8)
14
Port for T3, T4 temp sensor (CN6)
15
Port for EEV3/SG EVU(CN23)
16
Port for electrical expansion valve1(CN33)
17
Reserved (CN22)
18
Reserved (CN20)
19
Port for communication with wire controller PQE 19 (CN11)
Code
Assembly unit
20
Port for communication with wire controller AB (CN29)
21
Port for transformer output (CN28)
22
Port for Central Control Monitor (CN19)
23
Reserved (CN42)
24
Reserved (CN41)
25
Port for transformer input (CN40
26
Reserved (CN38)
27
Reserved (CN37)
28
Port for 4-way valve (CN36)
29
Reserved (CN35)
30
Port for PUMP(CN39)
31
Digital display (DSP1)
32
Dip switch S5
33
Dip switch S6
34
Dip switch S1
35
Port for forced cooling (SW1)
36
Port for point check (SW2)
37
Dip switch S7(Reserved)
ITS-Inverter Pool Heat Pump R32a 2024 - V1.3
P a g e
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