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2. Detailed Settings Function
5
VRF SYSTEMS Indoor Unit
2. Detailed Settings Function
Selecting the DC fan motor tap (when setting from the PCB)
4-Way Cassette type (Type U1)
<Procedure> Stop the system before performing these steps.
Open the electrical component box cover, then check the indoor unit control PCB. (Fig. 2-5)
Setting No. (3) :
Setting No. (6) :
Connect the jumper connector (2P: yellow) which was supplied with the accessory to the correct connector pin
on the indoor unit control PCB according to the setting number which was confirmed in Ta ble for DC Fan Motor
Tap Settings.
Then connect the jumper connector to the connector pin TP3 (2P: yellow) on the indoor unit control PCB.
Then connect the jumper connector to the connector pin TP6 (2P: white) on the indoor unit control PCB.
Fig. 2-5
Fig. 2-6
FAN-TA P
TP6
TP3
TP1
(WHT)
YEL
RED
Ceiling type
<Procedure> Stop the system before performing these steps.
4-Way Cassette type (Type U2)
<Procedure> Stop the system before performing these steps.
Open the electrical component box cover, then check the indoor unit control PCB. (Fig. 2-6)
Connect the jumper connector (2P: yellow) which was supplied with the accessory to the correct connector pin on
the indoor unit control PCB according to the setting number which was confirmed in Ta ble 2-2 (Table of DC Fan
Motor Tap Settings).
If the setting No. is (1), then connect the jumper connector to the connector pin TP1 (2P: red) on the indoor unit con-
trol PCB.
If the setting No. is (3), then connect the jumper connector to the connector pin TP3 (2P: yellow) on the indoor unit
control PCB.
Open the electrical component box cover, then check the indoor unit control PCB. (Fig. 2-6)
Change the DIP switch on the indoor unit control PCB in accordance with the setting number which was
confirmed in Table for DC Fan Motor Tap Settings.
TP6
TP3
TP1
1
ON
23
TP6
TP3
TP1
123
ON
Setting example
1: OFF
2: OFF
3: ON
Setting No. DIP switch
(1)
TP6
TP3
TP1
123
ON
(6)
ON
123
TP6
TP3
TP1
(3)
ON
123
TP6
TP3
TP1
SM830232-02_欧州向けVRF Indoor SM&TRSM.indb 26 17/03/08 18:33:50
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