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HONEYWELL SUNDIAL WIRING DIAGRAMS
Honeywell
Sundial Wiring Centre
`Y ` Plan
Note: Earth wires not shown for clarity
During installation the earth wires from each
component connect to terminal 3 in the wiring centre
Note: All bold numbers indicate a DIN rail terminal connection
3 amp
MCB
br
L1
1
2
br
b
N
3
4
b
664Y3400
1
2
N L
A
B
C
2
r
br
bk
1
g
C
or
9
1
C
t
2
p
br
or
5
7
bk
r
O
D
b
b
6
8
b
b
b
b
b
b
Note: Illustrated model = 28 kW - 36 kW Tri Phase
w
T6306B
ROOM STAT
CYLINDER
STAT
1
3
2
1
C
2
3
4
5
6
7
8
E
y
pk
13
14
y
y
P
G
y
y
g
g
or
or
10
11
12
2.1.
t
or
g
1.1.
b
EN • 25
b
V4073A
MID POSITION
ZONE VALVE
9
10
CABLE COLOUR CODES
bk- black
br- brown
r-red
w-white
y- yellow
o - orange
b - blue
v - violet
p - pink
gr - grey
E
pk
b
F
y
pk
g
24
21
15
32
31
g
or
17
y
y
g
19
14
11
g
H
J
or
r
2.2.
r
21
w
L
J
pk
pk
w
1.2.
t
pk
23
w
I
b
16
b
18
b
M
20
Q
r
b
w
b
22
r
b
pk
b
w
b
24
pk
b
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