Remote-A Or B Selection; Short Timer - Carrier 42NQV050M Service Manual

Item
12. Remote-A or B
Setting the remote controller
selection
To separate using of remote control for each indoor
unit in case of 2 air conditioner are installed nearly.
Remote Control B Setup.
1) Press RESET button on the indoor unit to turn
the air conditioner ON.
2) Point the remote control at the indoor unit.
3) Push and hold
by the tip of the pencil. "00" will be shown on the
display.
4) Press
show on the display and "00" will disappear and
the air conditioner will turn OFF. The Remote
Control B is memorized.
Note : 1. Repeat above step to reset Remote Control

13. Short Timer

In the normal condition, after switching one circuit
breaker, 3-minute delay time for compressor is
set for the maintenance of the unit.
Operation flow and applicable data, etc.
button on the Remote Control
during pushing CHK • . "B" will
to be A.
2. Remote Control A has not "A" display.
3. Default setting of Remote Control from
factory is A.
"B" Display
"00" Display
•
ON OFF
1. Purpose
This operation is to operate only one
indoor unit using one remote controller.
2. Description
When operating one indoor unit in a
situation where two indoor units have
been installed in the same room or
nearby rooms, this operation prevents the
remote controller signal from being
received simultaneously by both units,
thus preventing both units from operating.
3. Operation
The indoor unit on which the remote
controller selection has been set to B
receives the signal of the remote control-
ler also set to B.
(At the factory the remote controller
selection is set to A on all the indoor
units. There is no A setting display.)
Purpose
To start the unit immediately for the purpose of
testing, trial...etc, short timer can be used.
maintenance of the unit.
Short Timer Setting
j
Press [
k
Set the operation mode on the remote
control without sending the signal to
the unit.
l
Use the tip of the pencil to push the
[CHK] button and hold, "00" will show
on display, them press [
to make "00" disappear.
„
m
Press [
n
When short timer is activated, all
setting on the remote operates
immediately, besides, all indicatiors on
ƒ
front panel turns ON continuously for
3 seconds.
− −
37
FILE NO. SVM-10052
Description
] button to turn the unit OFF.
] button
] button to turn the unit ON.