Daikin Quaternity H-Series Specifications Page 75

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Optional Accessories EDUS04-906_b
74 Room Air Conditioners H-Series
Wiring
1. Wiring
Connect one end of the wiring to connector S21 of the PCB in the
indoor unit.
Connect the other end of the wiring to connector S6 of the adaptor
PCB.
Connect field wiring according to the functions assigned to each
connection terminal of the adaptor PCB.
Secure all wires.
1
Securing wires in the adaptor case assy (for KRP413A1S · KRP413AA1S)
Fasten with a tie-wrap so that wires will not come loose even if pulled.
Inter unit
cable (field wiring)
Tie-wrap
(to prevent the wires from coming loose)
If the wire protrudes from
this side, cut the cut-off
section of the case front.
2 Securing wires in the indoor unit (for KRP413A1)
The method for securing wire varies depending on the model of the air
conditioner. See your air conditioner installation manual for details.
2. Automatic Reset After Power Failure
This PCB stores the following data in the event of a power failure
(common features).
On/Off (see Note 1) Operation modes Temperature setting
Air flow rate On/Off status of remote controller
(Note 1 When SW1-2 is in Off mode, the unit will not be activated.)
3.
Monitor Signal Output (normal operation and malfunction)
Maximum length of the wiring is 100 m.
1 Monitor signal output for LED
LED
D
R
1
2
S
4
Max 100 m
2
Monitor signal output (normal operation and
malfunction)using external relay contacts
DC12V
MR1
MR2
L
1
2
L
MR1
MR2
L
1
2
L
: Operation light
: Malfunction light
+
(+)
(–)
(–)
1
2
3
S
8
S
5
Max 100 m
Field supplied parts
External power
supply for light
Field procured parts (Recommended external relay contacts)
Manufacturer Type Coil rated voltage Coil resistance
Omron MY relay 12 V DC 160 ohm ± 10%
Matsushita HC relay 12 V DC 160 ohm ± 10%
4. Connection with Remote Controller
Example connections with three kinds of remote controllers are shown
bellow.
Note: These connections cannot be used in combination.
1 Generic remote controller
Set SW1-1 to Off and select Operation Mode 1.
SW1
ON
OFF
12
<Instantaneous Contact>
1
2
1
2
S
2
S
1
On/Off
Off
<Normal Contact>
1
2
1
2
S
1
S
2
Operation
On
2 Five-room central controller (KRC72)
Set SW1-1 to Off and select Operation Mode 1.
The remote controller most recently used takes precedence.
Five-room central
controller
Terminal
blocks A to E
1
2
3
4
1
2
1
2
1
2
SW1
ON
OFF
S
4
S
1
3 Fan coil remote controller
Set SW1-1 to On and select Operation Mode 2.
Most settings (power On/Off, air flow rate, mode change) cannot be
made using the air conditioner’s remote controller.
When power is restored after a power failure in this mode, On or Off is
determined according to the current settings of the remote controller.
When the Cooling /Heating mode is changed, use the air conditioner’s
remote controller to adjust the temperature.
1
2
SW1
ON
OFF
S
1
1
2
1
2
1
2
S
2
S
3
H
M L OFF
Fan coil remote controller
Off
(When cooling)
On
(When heating)
Cooling/heating switch
Locally procured parts
Item
Manufacturer
Type
LED Toshiba
TLG208 (green)
TLR208 (red)
D Rohm 1S2473
R 510 ohm 1/4W
The remote controller most
recently used (local or air
conditioner) takes precedence.
Use a remote controller with a
pulse width of 100 msec or
more.
Power On/Off cannot be controlled
from the unit’s remote controller.
When power is restored after a
power failure in this mode, On or
Off is determined according to
the current settings of the remote
controller.
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