183
(3) Special operation for maintenance and inspection
[Method of Operation]
1) Confirm the LED display shows the initial state. If not then return it to the initial state.
2) Push and hold down SW01 for at least 5 seconds. D804 will start slowly flashing.
3) Push SW01 until reaching the LED display function you wish to set.
Note 1: The operations can take place while the equipment is on but it is better if it has been turned off first. A
sudden change in pressure could occur while the operations are taking place, which can be dangerous.
Note 2: Trial indoor cooling operation request/trial indoor heating operation request
Caution) Forced test operations using this setting cannot be cancelled using the indoor remote control.
Refer to (6) below.
4) Push SW02, and D805 will start rapidly flashing.
5) Push and hold down SW02 for at least 5 seconds. D804 will start slowly flashing and D805 will turn on and
the special operation will take effect.
6) To invalidate any of the various settings push and hold down SW01 and SW02 at the same time for at least
5 seconds. D800 to D804 will be off (or rapidly flashing) and D805 lit up (initial state: current trouble indication)
and the special operation will have been disabled (normal control).
* If any uncertainty arises then push and hold down SW01 and SW02 at the same time for at least 5 seconds.
You will return to step 1).
Special
operations
tnetnoc lortnoCyalpsid DEL
The outdoor unit performs cooling operations. The indoor units do not
operate with just this operation and hence do any pump only operations in
advance.
Refrigerant
recovery
operation
D800 D801 D802 D803 D804
Turns on the heater output relay.
Heater output
relay operation
D800 D801 D802 D803 D804
PMV (Pulse Motor Valve) fully opens. Perform step 6) below or returns to
normal control after 2 minutes.
PMV fully
open operation
(
→
Note 1)
D800 D801 D802 D803 D804
PMV (Pulse Motor Valve) fully closes. Perform step 6) below or returns to
normal control after 2 minutes.
PMV fully
close
operation
(
→
Note 1)
D800 D801 D802 D803 D804
Sets the PMV (Pulse Motor Valve) to intermediate open (250 pulses).
Perform step 6) below or returns to normal control after 2 minutes.
PMV
intermediate
open operation
(
→
Note 1)
D800 D801 D802 D803 D804
Performs a heating test run. Carrying out step 6) below returns to normal
control.
Indoor heating
test command
(
→
Note 2)
D800 D801 D802 D803 D804
Performs a cooling test run. Carrying out step 6) below returns to normal
control.
Indoor cooling
test command
(
→
Note 2)
D800 D801 D802 D803 D804
Forcibly operates the fan motor. Perform step 6) below or returns to normal
control after 2 minutes.
Forced fan
motor
operation
(
→
Note 1)
D800 D801 D802 D803 D804
Forces the 4 way valve to move to the heating position.
After 15 seconds returns to normal control.
4 way valve
position operation
(Heating position)
(
→
Note 1)
D800 D801 D802 D803 D804
Forces the INJ_2-way valve to move to the opposite position to the
current position. After 2 minutes returns to normal control.
INJ_2-way valve
opening / closing
(801 / 1101)
(
→
Note 1)
(
→
Note 2)
D800 D801 D802 D803 D804
: Off : Flash (5 times/sec): Light
Forces the 4 way valve to move to the cooling position.
After 15 seconds returns to normal control.
4 way valve
position operation
(Cooling position)
(
→
Note 1)
D800 D801 D802 D803 D804
To Next Page
Loading...
