Bonaire B Series Light Commercial - Manual (Page 16)

I NSTALLATION , O PERATION & M AINTENANCE
Commissioning
COMMISSIONING
W ATER L EVELS
• Turn water on to unit and allow the reservoir to fill. The water should be 65mm to
70mm from the bottom of the tank.
• If a dump valve is fitted, turn the pump (or dump circuit) on to activate the solenoid.
Water pressure will be applied to the dump valve plunger via the black pressure pipe,
cause it to close allowing the reservoir to fill.
Note: the dump valve has minimum and maximum operational pressures of 100 kPa
to 1000kPa. Where pressures are below 100 kPa, the dump valve may not
close and the reservoir will not fill.
• Adjust float valve arm as required to set the water level (65 – 70mm).
• Fit Louvre panels and check for even wetting of the filter medium
B LEED - OFF R ATE
• All evaporative air conditioners need some
water bleed-off to prevent build-up of mineral
deposits in the system. The correct setting of
the bleed rate will ultimately govern the life of
the unit.
• Recommended bleed rates should be set at
approximately 5 litres per hour per 1000 litres
of air. Increased water hardness will require a
higher bleed rate and increased maintenance.
• It is recommended to plumb the bleed off hose
through the overflow fitting and the bleed-off
away to a downpipe in situations where the
discharge may cause unsightly stains.
• To control the bleed-off rate rotate the bleed
dial clockwise for more water and anti-
clockwise for less water.
NOTE: It is the responsibility of the installer to set a correct bleed rate to suit
local conditions.
• If a dump valve is fitted and is set up for regular timed dumping periods during
operation, the bleed may not need to be set subject to water quality.
• If a dump valve is fitted and is only to be used for the purpose of a dry sump when not
in use, the bleed rate will have to be set for normal operation.
D ISTRIBUTION F LOW
Generally the flow rate to the water distributors will be set to full. However there will be
some circumstances where water carry-over may occur. To stop water carry over where
there appears to be an excess of water on the filters, adjust the outer knob of the Dialflo
to clockwise to reduce the amount of water to the filters.
Note: Hold the bleed knob while adjusting the distribution flow, as this may go
out of adjustment when turning the distribution flow knob.
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