Filter
Top Products
– 127 –
4) Specific operation for maintenance check (SW801, SW804)
The following specific operations for the maintenance check are performed by operation of SW801 or
SW804.
a) Select DIP switch SW804. (See table below)
b) Push the pushdown button switch SW801 for approx. 1 second.
c) The following functions start. While each function starts, LED D805 (Green) flashes.
d) When pushing the pushdown button switch SW801 again for approx. 1 second, when selecting DIP
switch SW804 or when the specified time of each function elapsed, each function stops and
LED D805 (Green) returns to the continuous lighting.
<Specific operation>
SW804 Operation when pushdown button switch SW801 is pushed
Refrigerant recovery operation
The outdoor unit performs cooling operation. The indoor unit does not work by this operation
alone. Therefore operate the fan beforehand. (Refer → 11-4-1. Refrigerant Recovery Control)
[NOTE]
Although these operations can
be performed even during
operation, basically perform
operation while the unit stops.
If performing this operation
during driving the unit, it is
dangerous because the
pressure may change suddenly.
Indoor cooling test run demand
The cooling test run is performed. (→ Note 1)
Note 1) Indoor cooling test run demand / Indoor heating test run demand
Only when combining with the following indoor unit, cooling/heating operation can be performed from the
outdoor unit.
Test run is available: Indoor unit of 4 series and after (RAV-SM
∗∗∗
4UT-E etc.)
Test run is unavailable: Indoor units other than the above-mentioned indoor units, or indoor units other
than above-mentioned indoor units are included in the twin connection.
Note 2) The forced test run by this setting cannot be cleared on the indoor remote controller. Be sure to clear the
test run by operation of the outdoor unit. (Push SW801 again for 1 second.)
Indoor heating test run demand
The heating test run is performed. (→ Note 1)
Fan motor forced operation
Drive the fan motor forcedly.
When pushing SW801 again or when 2 minutes elapsed, the
operation returns to the normal control.
(No operation especially)
PMV full open operation
Open PMV (Pulse Motor Valve) fully.
When pushing SW801 again or when 2 minutes elapsed, the
operation returns to the normal control.
PMV full close operation
Close PMV (Pulse Motor Valve) fully.
When pushing SW801 again or when 2 minutes elapsed, the
operation returns to the normal control.
PMV middle opening operation
Set PMV (Pulse Motor Valve) to middle opening
(250 pulses).
When pushing SW801 again or when 2 minutes elapsed, the
operation returns to the normal control.
SW804
ON
2341
SW804
ON
2341
SW804
ON
2341
SW804
ON
2341
SW804
ON
2341
SW804
ON
2341
SW804
ON
2341
SW804
ON
2341