![MHS Boilers ALPHA700 300 Скачать руководство пользователя страница 22](http://html1.mh-extra.com/html/mhs-boilers/alpha700-300/alpha700-300_instructions-for-assembly-and-installation_1783515022.webp)
22
ALPHA 700
26.0 to turn on
the appliance
26.1 Ensure electricity supply to appliance is turned on.
26.2 Ensure fuel supply to appliance is turned on.
26.3 Ensure external controls (if fitted) are turned on and calling for heat.
26.4 Ensure system circulation pumps are running.
26.5 Set control thermostat “A” and “B” to desired settings.
26.6 If there is a boiler pump connected switch on at “D” . See fig.13.
26.7 Turn on burner at switch “E”. See fig.13. Burner should now ignite.
ALPHA
BOILER TEMPERATURE
HOURS RUN
1 STAGE
HOURS RUN
2 STAGE
O
V
E
R
HE
AT R
E
S
E
T
H
IG
H/LOW ST
AT
O
V
ERHEA
T
B
U
R
N
ER
LOC
K
O
U
T
1
2
C
ON
TROL ST
AT
P
O
WER O
N
FUSE
TEST
0 0 0 0 0 0 0 h
0 0 0 0 0 0 0 h
l
O
l
O
°
C
20
40
60
A
2nd stage control thermostat
H
Water temperature thermometer
B
1st stage control thermostat
I
Overheat trip lamp
C
High limit thermostat reset button
J
1st stage hours run counter
D
Pump control switch
K
2nd stage hours run counter
E
Burner on/off switch
L
1st stage operating indicator lamp
F
High limit thermostat test switch
M
2nd stage operating indicator lamp
G
Fuse holder
N
Burner lockout indicator lamp
key to components
I
H
B
L
C
E
F
G
D
A
M
N
J
K
27.0
to turn off
the appliance
27.1
For short periods
27.1.1
Turn off switch “E”. See fig.13.
27.2
For long periods.
27.2.1
Turn off switch “E”. See fig.13.
27.2.2
Turn off switch “D”. See fig.13.
27.2.3
Turn off external controls.
27.2.4
Turn off fuel supplies.
27.2.5
Turn off electricity supply.
27.2.6
If there is the risk of frost, then boiler and system should be drained.
fig.13