F1
315
mA
Application
programming
interface
(internal:
Controller
,
EEPROM)
X4
X1
S1
S2
X2
X3
12
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
65
43
2
1
1 2
ON
RS485-BUS
NT
C
0-10V
T
+-
21
43
65
X2
1
OFF
ON
OFF
2
OFF
OFF
ON
Function
Defroster
Duct
heater
Ground
pipe
diverter
valve
X1
7
N
N
8
L1
9
L’
10
11
L’’
12
PE
5
N
6
L1
AC
IN
ma
x.
2
kW
ma
x.
20
W
RT
H
STR*
13
PE
12
34
14
PE
M
STR*
Appendix
1:
Wiring
diagram
BUS
thermostat