Certikin MBD 200, Инструкция по эксплуатации, установке и обслуживанию, Страница: 10 / 29

MBD200
9
14/02/04
Rating Table
(1040 Btu/ft
³)
(38.8 MJ/m
³
)
kW Btu/h sec/ft
³
m
³
/2 mins
20 68240 54.9 0.0619
22 75064 49.9 0.0680
24 81888 45.7 0.0742
26 88712 42.2 0.0804
Note: The boiler is fitted with a syphon trap
that includes a blocked drain device. This is
to safeguard the boiler and help defer the ef-
fects from the possible freezing of the con-
densate pipework in extreme weather.
The user should be made aware of this fea-
ture and, that in the event of blocked con-
densate pipework, for example frozen con-
densate pipework, the boiler will automati-
cally stop functioning. It will start again as
soon as the blockage has cleared.
For designs with a heating system check the
operation of the bypass with the system hot. The
minimum flow rate through the boiler should be as
shown in the
Technical Data on Page 21.
Set the pump speed to the highest setting that
does not provoke unreasonable operational noise
within the system.
R
e-pressurise to required pressure and set the
gauge indicator
With the system hot, check again for water sound-
ness.
Refit the case to the boiler.
For designs with heating circuits, balance the
system in the normal way to obtain even heating
of all radiators.
If fitted set the cylinder thermostat to 60oC, or
lower if preferred.
Commission Check List (hydraulic)
The key points which must be observed closely, are
shown below.
•
With valves and vents open fill the system.
•
Do not use pump. Do not light gas
•
Check for and rectify leaks.
•
Drain to flush system.
•
Refill system, adding the inhibitor.
•
Do not light boiler.
•
Vent all radiator and air release points.
•
Run pump for 5-10 second bursts and revent.
•
Do not light boiler.
•
Run pump for at least 30 minutes.
•
Stop at 5 minute intervals to vent.
•
Continue venting until no more air noise can be
heard.
•
Light boiler and run at max thermostat setting.
Continue for 15 minutes, venting every 5
minutes.
Rating and Setting Pressures for each boiler
Input v Burner Pressure
18
20
22
24
26
9 10 11 12 13 14 15 16
mBar
Inp
ut
(gr
os
s)
kW