York JBK Instructions D'installation page 20

After installation test and
check operations
Test operation
(Fig. 19)
1. Prior to test:
(1)Do not connect the unit until com-
pletely installed.
(2)Wiring should be correct and safe.
(3)Valves should be open.
(4)The unit should be free of impurities.
2. Test operation method:
(1)Connect the unit and press ON/OFF
button on the remote control unit.
(2)Press the MODE button to make sure
Wiring
Data and dimensions are subject to change without prior notice.
20
all three modes are operative:
COOL, HEAT, DEHUMIDIFICATION.
3. Emergency method.
Whenever the remote control unit can-
not be used, proceed as follows:
* With the unit off, press AUTO to acti-
vate. The unit will operate in the cor-
responding mode.
* With the unit on, press AUTO to turn
it off.
Note: The TEST mode is for testing pur-
poses only. Do not use as a regular operat-
ing mode.
POWER SUPPLY 4 WIRES
Y
JBK 50 BG
Y
JBK 75 BG
INDOOR UNIT
Y
JBK 100 BG
Y
JBK 120 BG
INDOOR UNIT
230V/1Ph/50Hz
JBO 50 BG
JBO 75 BG
OUTDOOR UNIT
JBO 100 BG
JBO 120 BG
OUTDOOR UNIT
POWER SUPPLY 4 WIRES
400V/3Ph/50Hz
GB
Fig. 19
5
Y
3 WIRES
N(4)
Y
230V/1Ph/50Hz
L1
L2
Y 5 WIRES
L3
Y 400V/3Ph/50Hz
N