Installation Instructions
4.0 Connections
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4. CONNECTIONS
All water connections must be carried out by a licensed plumber. A plumbing certificate of
compliance is required.
Correct water management in an evaporative air conditioner is vitally important to the
operation and longevity of the product. If the water management is not set correctly by the
installer to the local water condition, warranty will be void. Maintaining correct water
management is the responsibility of the owner of this appliance and warranty will also be
void if correct settings are not maintained.
4.1. Water Management
• The definition of hard water is 300 ppm or greater.
• Water bleed rates or the dump cycle times must be set to a rate
appropriate to the local supply water conditions. No scaling should be
evident where the dump cycle / bleed rates are set correctly. This will
ensure maximum cooling and filter pad life, reduced opportunity for scaling
and therefore less regular maintenance.
NOTE: Where water quality is of high mineral content e.g. bore
water, bleed off will be required in conjunction with a regular timed
dumping cycle.
4.2. Inlet Water
4.2.1. Fitting the Float Valve
STEP 1. Remove nut from float valve assembly.
STEP 2. Ensure rubber washer is fitted inside the tank
on the float valve. Fit float valve assembly in
tank.
STEP 3. Fit the nut to the valve on the underside of
the tank. Do not over tighten.
NOTE: In areas of low water pressure it
may be necessary to remove the water
flow restrictor from the inside of the
valve. Minimum water pressure required
to operating the float valve is 100 kpa.
STEP 4. Fit elbow supplied to the float valve.
STEP 5. Fit the 24-Volt AC water solenoid valve to the elbow.
STEP 6. Fit Flexible Connector to solenoid valve
4.2.3. Connecting the Water Supply
• The water supply pipe work and connection to the air conditioner must be
installed by a licensed plumber and conform to AS 3500, state & local
plumbing regulations.
• Ensure water pressure to the appliance does not exceed the maximum
static pressure of 500kPa (50 m head) as per AS 3500 (section 3.3)
Page 12
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