Grant Vortex Pro - Page 29

Section 8: Electrical Page 29
Pump (if fitted outside boiler)
Boiler
Terminal Blocks
Cylinder
Stat
1
C2
LN E
240 V 50 Hz
Room
Stat
213
3-Port
Mid Position
Zone Valve
E
N
L
Blue
Green/Yellow
White
Grey
Orange
Pipe
Thermostat
(if fitted)
Wiring Centre
1234
5
678910
Grant 2-Channel
Wall Mounted Programmer
(Ref. ESKIT)
123456
LLNE
78910
11
12
13
14
15
16
EENNLL
LCH
ON
HW
ON
HW
OFF
N
Figure 8-2: Vortex Pro External Module with Y-plan type control system wiring diagram