Periodic Inspection Procedure For The Outdoor Unit - Daikin GYEQ20AN Service Manual

Gas heat pump air conditioner heat recovery r-410a 50 hz
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Maintenance
1.2

Periodic Inspection Procedure for the Outdoor Unit

When periodically inspecting the outdoor unit, follow the safety precautions given below.
Also, make the customer aware that the outdoor unit is under periodic inspection, using "Under
Periodic Inspection" notices attached to the indoor remote control units and power breakers.
[Basics]
Warning
• Turn off the power to the outdoor unit.
• After turning off the power to the outdoor unit, make sure that none of the LEDs on the
• Close the fuel gas cock.
• The cooling water remains hot for some time after the engine is stopped. Do not attempt to
Caution
• The outdoor unit has various fluids that remain hot for some time after it stops operation, such
• Take care not to touch parts that remain hot for some time after the unit is stopped.
• After replacing a part, any parts (such as harnesses/cables and hoses) that were connected
• Take care not to spill engine oil, cooling water, and so on.
[Tasks upon completion of periodic inspection]
After you have finished periodic inspection, test run the unit.
Also, clear the elapsed time since the last maintenance using the procedure given below.
Using the onboard checker of the outdoor unit main circuit board, perform these steps:
(1) Set
(2) Press
(3) Press
(4) Press
(5) Press
(6) Press
(7) Reset
213
Safety precautions
Otherwise you may get an electric shock or be caught or jammed in rotating parts when the
unit is inadvertently operated from a remote control unit.
When inspecting the outdoor unit with the power ON is unavoidable, everyone must be
warned and made aware that the outdoor unit is under inspection.
outdoor unit's circuit boards are lit.
Even though the main power has been turned OFF, attempting to access the circuit boards
with any LED lit could result in an electrical shock due to electricity remaining in the circuit.
Otherwise a gas leak may occur when you replace fuel system parts.
open the radiator cap until the cooling water temperature is low enough.
Otherwise the cooling water may spout out, possibly resulting in a burn.
as the cooling water and engine oil. Take care when draining such fluids.
Safety precautions for inspection
with the old part must be connected to the new part by exactly restoring the original path,
clamping method, position, and so on. They must not contact edges or vibrating areas.
Clearing the elapsed time since the last maintenance
SW1
to "STOP."
UP
, select [3], then press
UP
, select [01], then press
UP
, select [55], then press
UP
, select [3], then press
UP
, select [ON], then press
maintenance.
SW1
to "RUN."
NEXT
.
NEXT
.
NEXT
.
NEXT
.
ENTER
. This clears the elapsed time since the last
SiAUY361411EA
Maintenance / Service Data

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