INSTALLATION SPECIFICATIONS
24 Copyright © 2009 Mastervolt / May 2009 / Whisper 7/9.5/15/20 Ultra for mobile applications / US
3 INSTALLATION SPECIFICATIONS
3.1 GENERAL
1 Make a hole for combustion air in the sound shield.
Mount an air inlet filter (if required)
2 Mount the generating set directly, without additional
vibration dampers, on a solid surface.
3 Mount the cooling system for the engine
4 Mount the cooling system for the alternator
5 Connect exhaust system.
6 Connect ‘fuel supply line’ to the water separator/ fuel
filter.
7 Connect ‘fuel return line’ to the fuel tank.
8 Connect remote panel (just plug in).
9 Connect the AC cable from the AC box to the power
source selector (or Mass Systemswitch).
10 Connect plus and minus from the 12V starter battery
to the battery cables.
11 Connect the power supply of the radiators
12 Install a Mastervolt battery charger. (optional)
3.2 COMMISSION TABLE
1 Check if a hole for combustion air intake is in the
sound shield. Also check if an air inlet filter for
combustion air is necessary and has been installed
2 Check if the cooling system for the engine is properly
installed. Note that air traps must be avoided.
3 Check if the cooling system for the alternator is
properly installed. Note that air traps must be avoided.
4 Check if the exhaust system is properly installed.
Check maximum length of exhaust hose, diameter of
exhaust piping.
5 Check all coolant connections.
6 Check the AC cables and the grounding.
7 Check if an AC breaker is installed before or after the
power source selector. When there is only a circuit
breaker, use it to disconnect the generating set from
the grid.
8 Check all DC connections; check if the battery switch/
circuit breaker is closed.
9 Open the fuel valve. Check if there are no air leaks in
the fuel supply line, and check if the lift of the fuel is
less than 3 ft. (1 meter). Check if there is no air in the
water fuel separator.
10 Check if the air intake in the canopy is not blocked.
11 Check the oil level and colour of the oil. Check the
coolant level of both the alternator cooling and the
engine cooling
12 To bleed the fuel system:
• Whisper 7, 9.5 and 15 Ultra: push the “Start”
button on the local control (not on the remote
panel) and hold at least 5 seconds and as long as
necessary to bleed the system.
• Whisper 20 Ultra: use the manual pump by
turning the cap loose and pumping as long as
necessary to bleed the system. See chapter 4.2.2
of the user’s manual.
13 Start the engine by pushing the start button
14 Check when the generating set is running, the delay
of 5 to 10 seconds in the power source selector
transfer.
15 Check voltage and frequency under ‘no load’
conditions.
16 Check voltage and frequency under ‘full load’
conditions.
17 Check if the battery charger of the generating set is
working (max. 14.5 Volt).
18 Close the sound shield and check the noise level.
19 Stop the generating set and check the engine again
for leakages of oil, fuel or coolant.
Installation checklist available on our website:
www.mastervolt.com.
Commissioning form available on our website:
www.mastervolt.com..
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