3
E
2
2
16
1
14
C
15
12
E
N
N
LS
L
L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
N
N
N
N
WIRING CENTRE TRT049N
Note: Links shown should be made by the installer
Cylinder Thermostat Model TRT044
Boiler
Pump
Optional Fr
ost Stat
Model TRT031N
Pr
ogrammer
Models: TRT034N
TRT036N
HW OFF
HW ON
CH ON
CH OFF
HWS (NO)
HWC (NC)
A/C Mains in (5 Amp fuse
)
E
E
E
E
L
N
N
E
E
11
8
11
12
E
10
9
4
6
7
N
N
E
13
L
N
N
E
E
N
L
1
2
3
4
N
L
SL
Motorised V
alv
e
Br
own (L
)
Orange CH Call (C
)
Gr
ey HW (NO)
Yellow/Gr
een
Blue (N
)
Room Thermostat Models
TRT030N
TRT031N/TRT032N
TRT033N
TRT035N
Neutral not
re
quir
ed on
TRT033N and
TRT035N
4
3 Port Motorised Valve System (Y-Plan)
