4
3
2
1
Varican
TTL
lead
1
2
3
4
5
6
7
Varican
TTL
lead
from
KM821
‐
i5
X8
External
Interface
External
Interface
RJ11
6P4
/
1
RJ11
6P4
/
2
To
SM
Terminal
(CAN
TTL)
+
‐
L
H
CA
N
Rx
CA
N
5V
CA
N
GN
D
CA
N
24V
CAN
Bus
(High
power)
To
SM
X1
CAN
Bus
CAN
Bus
CA
N
VCCo
n
CA
N
Mode
CA
N
Tx
CAN
Bus
CAN
Bus
4.2 SYSTEM MANAGER WIRING DIAGRAM
4.3 OPTIONAL VARICAN ADAPTER WIRING DIAGRAM
1 2 3 4 5
1 2 3 4
1 2 3 4 5 6 7
OpenTherm
lead
CC
5V
CC
GN
D
CC
24V
Varican
TTL
lead
from
KM821
‐
i5
X8
ChipCom
SM
X3
CC
TX
CC
RX
CA
N
Mo
de
CA
N
Tx
CA
N
Rx
CA
N
5V
CA
N
GN
D
OpenTherm
SM
X2
OT
2+
O
T2
‐
OT
1+
O
T1
‐
CA
N
24V
Terminal
(CAN
TTL)
SM
X1
CA
N
VC
Co
n
From
I9
62
Installation & Servicing
SECTION 4 - WIRING
WIRING
Summary of Contents for EVOMAX 2 30
Page 4: ...4 Installation Servicing...
Page 75: ...75 Installation Servicing NOTES...
Page 76: ...76 Installation Servicing NOTES...
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