Test Run; Maintenance - Toshiba HWS-803XWHM3-E Installation Manual

+00EF99805101_01EN.book Page 39 Monday, June 21, 2010 3:45 PM
Hydro Unit
9

TEST RUN

Use operation buttons usually to conduct a test run.
If the outside air temperature or water temperature is
outside the setting value range, press the TEST
button on the remote controller and then start a test
run. Since the protection setting is disabled in the
TEST mode, do not continue a test run longer than 10
minutes.
• Press the TEST button on the remote controller.
An indication "TEST" appears on the remote
controller.
• Press the ZONE1, 2
"heating" with the OPERATE MODE
The pump is activated in 30 seconds.
If air is not released completely, the flow rate switch
is activated to stop operation. Release air again
according to the piping procedure.
Little air bite is discharged from the purge valve.
• Check that the air bite sound disappears.
• Check that the hydraulic pressure has become the
predetermined pressure 0.1 to 0.2 MPa (1 to 2 bar).
If the hydraulic pressure is insufficient, replenish
water.
• Heating operation starts. Check that the hydro unit
starts heating.
• Press the OPERATE MODE
select "cooling."
• Cooling operation starts. Check that the hydro unit
starts cooling and that the floor heating system is not
cooled.
• Press the ZONE1, 2
operation.
• Press the HOT WATER
water supply operation.
• Check that there is no air bite.
• Check that hot water is present at the connection
port of the hot water cylinder.
• Press the HOT WATER
hot water supply operation.
• Press the TEST button to exit the test mode.
10
Execute periodic maintenance at least once a year.
Check points
• Check all electrical connections and make
adjustments if they are necessary.
• Check the water pipes of the heating systems in
particular any evidence of leakage.
• Check the expansion tank inner pressure. If it is
insufficient, enclose nitrogen or dry air in the tank.
• Check that the hydraulic pressure is 0.1 MPa (1 bar)
button and select
or more with a water manometer. If it is insufficient,
button.
replenish tap water.
• Pull the lever of the pressure relief valve and check
operation.
• Clean the strainer.
• Check the pump for an abnormal sound or other
abnormalities.
button and
button to stop
button to start hot
button to stop the
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Installation Manual

MAINTENANCE

Toshiba XXXXXXX(<SanSerif1>X/X)
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