Johnson Controls VRF System Engineering Manual page 40

OPTIONAL PARTS
Optional Functions
Turn OFF the power supply completely before setting the DIP switch for the IR receiver kit.
Not turning off the power may cause an electric shock.
The following switches are on the IR receiver kit.
1
TIMER
Emergency Operation Setting
2
"COOL" and "HEAT" buttons are used for emergency operation when the batteries for the wireless
controller are low.
(1) "COOL" Button: Press "COOL" so that the cooling operation is started.
(2) "HEAT" Button:
NOTE:
During an emergency operation, a yellow light "
The temperature set-point and the fan speed for the cooling/heating operation are the same as before
starting an emergency operation.
The DIP switch (DSW1) is for the optional function selection. If the optional function selection is
3
required, set the DIP switch as follows.
Optional Function
Main/Sub Setting
Identification of
Indoor Unit
Invalid
Emergency Operation
O: ON
X: OFF
Review the following settings when a function for the IR receiver kit is selected from the wireless controller or
the centralized controller.
● The cooling lower limit for the temperature set-point and the heating upper limit for the temperature set-
point are not available. The setting is available beyond the upper and lower limit for the temperature set-
point from the wireless controller.
● The optional function setting "Fixing of Setting Temperature" is not available. When the operation mode
is changed from the wireless controller, the indicated temperature on the wired controller becomes the set
temperature of the wireless controller.
3-12
ON
DIP Switch (DSW1)
FILTER DEF RUN
(Factory-Setting)
EMERGENCY
HEAT COOL
"HEAT" Button "COOL" Button
Press "COOL" again so that the cooling operation is stopped.
Press "HEAT" so that the heating operation is started.
Press "HEAT" again so that the heating operation is stopped.
DIP Switch Setting (DSW1)
1 2 3 4
O X X X
X O X X
X X X O
1 2 3 4 5 6
PCB
Rear Side of IR Receiver Kit
" flashes (0.5 second ON/0.5 second OFF).
5 6
Change main (OFF setting)/ sub (ON setting) wireless
X X
controller for a two-wireless controller system.
It functions as B Mode (identification of indoor unit) of
X X
the wireless controller when it is "ON".
X X The switches for emergency operation are invalid.
Remove
the screw.
Cover
Details
TC-16002-rev.1