Atlantic Boilers ME STANDARD 180 Operating & Maintenance Manual - Page 7
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2.0 INSTALLATION
2.1
Procedure
-
Position the boiler squarely on the prepared base
-
Fit the correct accessories to the boiler connections
-
Connect the boiler to the pipework system
-
Connect the boiler to the isolated electrical supply
-
Fill the boiler with fresh, clean water
-
Check that the immersion heaters are electrically isolated from the boiler. If the isolation
is less than 2mega-ohms, the bridge must be found and rectified.
-
Check the operation of the main control panel isolator, and of the overloads serving the
immersion heaters
-
Check the operation and the correct direction of rotation of the circulating pump
-
Check, with the circulation pump stopped, that the water flow switch over-rides the
immersion heaters through their relays and also brings on the relevant alarm light
-
Check the setting and operation of the immersion heater step controls
-
Switch off the immersion heaters using the main control panel isolator
-
Check that all the cartridge fuses are sound
-
Double check that all the immersion heaters receive the common voltage.
Repeat the check after several hours run.
Any defect in voltage can destroy the heaters and invalidate the guarantee.
2.2
Essential
Accessories
The following items are required :-
A.
One automatic air vent with isolating valve
B.
One 4-bar safety valve and one 7 bar
temperature and pressure relief valve
C.
One shunt pump
– protected by overloads
(0.37A to 1.4A adjustable)
and run + fault lamps
D.
Differential pressure switch
E.
One drain ball valve
F.
One water flow switch
RECOMMENDED WATER FLOW SETTINGS (l/sec)
Pipeline sizes: mm
32
Minimum range:
0.35-0.47
Maximum setting
ME Standard Manual
40
50
0.53-0.72
0.61-0.83
1.0
1.6
1.9
A.
automatic
air vent
B.
safety valve
temperature and
pressure relief valve
C
C.
shunt
pump
D.
Differential
pressure
switch
F.
water flow
switch
65
1.0-1.4
3.2
E
drain ball
valve.
7