EP18-72-IOMM-2015-7
Fulton Ltd
Page 12
INSTALLATION - 2
Switch the pump MCB ON.
Check the rotation of the feedwater pump. Correct rotation is anti-clockwise when viewed from
the top of the pump.
Switch the pump OFF and wait until the drive shaft stops rotating before replacing the cover.
Note: The pump impeller blades can be damaged by incorrect rotation. If the rotation is incorrect turn the selector
switch to the OFF position. Isolate the boiler and alter the phase connections between the pump contactor
overload and the pump. Re-check the pump rotation.
With the pump running (pump switch ON), turn the water supply OFF and OPEN the boiler
blowdown valve.
Check the Tank Low Water indicator, when the indicator illuminates the feedwater should stop.
10.
Refill the Feedwater Tank and Boiler
CLOSE the blowdown valve.
Switch the boiler ON, the Boiler Low Water indicator will illuminate and the alarm will sound.
With the mains water ON, the tank will fill and the Tank Low Water indicator will extinguish, the
feedwater pump will restart and fill the boiler to normal working level (NWL).
11.
Fault indicators and switches checks (see Figure. 8)
When the Boiler Low Water Level indicator extinguishes, press the Low Water reset button.
Switch OFF the pump MCB, the Pump and Element Fault indicators illuminate,
Switch ON the Element Switches.
Check Element Fault indicators stay illuminated.
Switch ON the element MCB’s, the Element Fault indicators will de-energise and the element
switches illuminate.
12.
Elements automatic on/off check
OPEN the blowdown valve and allow water to drain from the boiler, the Low Water Reset will
illuminate and an audible alarm sound, the elements will switch OFF.
CLOSE the blowdown valve and switch the Pump MCB to ON, the pump will start to fill the
boiler.
With the pump filling the boiler, the Low Water indicator will extinguish (when NWL is reached).
Press the Low Water Reset switch in order to silence the alarm.
When NWL is restored the Element Switches will illuminate.
Check the element switch delay is set at 5 seconds (if fitted).
Figure. 7 - Feedwater Pump
Feedwater pump bleed nipple
Removable cover to check
pump rotation
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