Grant Combi 26e - Page 5

5
Figure 1-1: Vortex Pro Combi 21e boiler with front panel removed showing position of control panel
Figure 1-2: Vortex Pro Combi e boiler control panel
Electrical
connection socket
Service
switch
Boiler
thermostat
Pressure
gauge
Boiler On / Off switch
Burner lock-out
button
Indicator lights
Overheat reset button
(under black cap)
Expansion
vessel
Heating (CH)
pump
Hot water
(DHW) pump
I
M
PO
RT
A
N
T
CAB
L
E
T
O
PLUG
M
UST
BE S
E
C
U
R
ED
I
N
C
A
BLE CLAMP BEL
OW
PA
N
EL
M
A
X
I
M
UM C
A
BLE
L
ENG
T
H
BET
W
E
EN P
LUG A
N
D
C
L
A
M
P
3
5
0
m
m
W
A
R
N
IN
G
230
V ISOLATE M
A
IN
S
P
O
W
E
R
SUP
P
L
Y
B
E
FOR
E
REM
O
V
IN
G
CO
V
ER
1
2
N
3
N
L
IMPORTANT
CABLE TO PLUG MUST BE SECURED IN CABLE CLAMP BELOW PANEL
MAXIMUM CABLE LENGTH BETWEEN PLUG AND CLAMP 350mm
WARNING 230V ISOLATE MAINS POWER SUPPLY BEFORE REMOVING COVER
1
2
N
3
N
L