Johnson Controls JA Series, Engineering Manual

Page: 94 / 249

8
7
6
5
4
3
2
1
For Short Circuit Connection
The standard (before shipment) external static pressure is shown in the table below.
When using with a higher static pressure, it is necessary to change to the high static pressure mode.
Type
External static pressure
7 9 12
Standard (in. WG) 0.04 0.06 0.06
High static pressure (in. WG) 0.12 0.12 0.16
15
0.06
0.16
18
0.06
0.16
When using with high static pressure mode, set the indoor unit control
board as shown at right.
Follow the below procedure while the unit is turned off.
(1) Open the cover of the electrical box and confirm that it is the indoor
unit control board.
(2) Connect the short circuit connector to the short circuit pin TP3 (2P:
Yellow) of the indoor unit control board.
In case of wired remote control setting, do not use the short circuit connector.
TP6 TP3 TP1
Indoor control board
For Wired Remote Control
TP6 TP3 TP1
White Yellow Red
6
1
5 1 4
3
2
Press and hold the
,
and buttons simultaneously for
4 seconds or longer.
“ ,” unit No. “ ” (or “ ” in the case of group control),
item code “ ,” and settings data “
” are displayed blinking
on the remote controller LCD display.
At this time, the indoor unit fan (or all indoor unit fans in the
case of group control) begins operating.
Press the temperature setting /
buttons to select the item code
Press the timer time
setting data.
/ buttons to select the desired
* For item codes and setting data, refer to the right table.
0000
Press the button.
(The display stops blinking and remains lit,
and setting is completed.)
Press the
remote controller display.
button to return to normal
“ ”.
Standard (setting at shipment)
0003 High static-pressure
Item
code
No. Description
177 353 177 353
Airflow (CFM) Airflow (CFM)
177 353
Airflow (CFM)
177 353
Airflow (CFM)
353 530
Airflow (CFM)
J
UMHX1862
N
J
UMHX1562
N J
UMHX1262
N
J
UMHX0962
N J
UMHX0762
N
Airflow (CFM)
External Static Pressure
External Static Pressure
(in. Aq)
(in. WG)
External Static Pressure
(in. WG)
(in. WG)
0
H
L
0.04
0.08
0.12
0.16
0
0.04
0.08
0.12
0.16
0.20
External Static Pressure
(in. WG)
0
0.04
0.08
0.12
0.16
External Static Pressure
(in. WG)
0
0.04
0.08
0.12
0.16
0.20
0.24
External Static Pressure
(in. WG)
0
0.04
0.08
0.12
0.16
0.20
0.24
0
0.197
(in. Aq)
0
0.197
(in. Aq)
0
0.197
(in. Aq)
0
0.197
(in. Aq)
0
0.197
L
H
H
HH
L
External static pressure's
upper limit in high static
pressure mode
Standard external
static pressure's
upper limit
Lower limit airflow Upper limit airflow
Rated external static
pressure at shipment
Rated external static
pressure in high static
pressure mode
Lower static pressure
in high static pressure
mode
H
L
L
H
L
H
L
H
HH
HH
H
L
HH
HT
HH
HH
HH
HH
H
L
L
H
HH
HH
HH
H
L
L
H
HH
TD831149-00̲3WAY.indb 84 2010/01/26 15:11:16
FORM 121.00-EG1
ISSUE DATE: 5/31/2012
JOHNSON CONTROLS 94
Slim Concealed Duct, Standard and Slim (JU, JUM Type)