York HIC4008B21S Installation And Maintenance Manual page 43

Inverter-driven multi-split system heat pump air conditioners, 4-way cassette
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Check of the Motion Sensor
1. Perform the motion detection (waving a hand, etc) under the motion sensor of the selected
indoor unit for approximately 10 to 15 seconds.
2. Check the value of "q3" ~ "q6" after 30
The detection information from the motion sensor against the motion detection is displayed a
range of 0% to 100%.
(*1): The communication cable between the indoor unit and the wired controller is on a 30 second cycle.
Timing for motion detection and the detected information display is shown below.
30 sec.
Motion Detection
3. Check that the value of "q3" ~ "q6" is neither 0% nor 100%.
If the value displayed is 0% or 100%, repeat the procedure from Item 1. If the same value
reappears, it may be a malfunction of the motion sensor.
Check of the Radiation Sensor
1. Check the value for "q2". If that value differs greatly from the air temperature at the installation
location, a failure of the radiation sensor may occur. (The radiation sensor will indicate readings
from (-22 to 140
2. Press "Back/Help" and return to the display.
e. Though temperature recordings by the thermistors are invalid during the Test Run phase, the
protection devices are valid.
f.
For VRF System
According to the label; "Checking Method by 7-Segment Display" affixed to the inside of the front
cover of the outdoor unit, check temperature, pressure, and operation frequency, and interconnected
indoor unit numbers by 7-Segment displays.
g. To complete Test Run, press "
set Test Run time to pass.
When changing the Test Run time, press " " or " " to select
"Test Time". Then, set the test run time (30 to 600 minutes)
by pressing " " or " ".
P5417054
: Communication Data
Cycle 30 seconds.
30 sec.
Detected Information
Display
(for 30 seconds)
o
o
F (-30 to +60
C)).
On/Off" again or wait for the
(*1)
seconds from starting the motion detection at Item 1.
NOTE:
Refer to the operator's manual for indoor
unit settings, setup of the motion sensor.
("Motion Sensor Setting",
"If Absent" and "Check Interval" can be set.)
Test Run: 2 units
MODE
COOL
SPEED
AUTO
LOUV.
Test Time
120min
Inverter
60Hz
Sel.
Adj.
OFF
39

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