97
ENGLISH
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
IBH1/2_FB
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
Summary of Contents for 20191845
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