Daikin RXYQ10PY1 [272/487] Transmission wiring connection procedure

Daikin RXYQ16PY1 [272/487] Transmission wiring connection procedure
Field Wiring ED34-645B
664 Installation of Outdoor Units
7.4 Transmission Wiring Connection Procedure
Referring to next two figures connect the transmission wiring between outdoor unit and indoor unit, outdoor unit
and outdoor unit of other system, outdoor unit and outdoor unit of same system (only multi system) or to COOL/
HEAT selector.
All transmission wiring is to be procured on site. All wiring should use sheathed vinyl cord 0.75-1.25 mm
2
or cable
(duplex). (Triplex only for the COOL/HEAT selector.)
Transmission wiring should be done within the following limitations.
If they are exceeded, transmission problems may occur. (About the symbol ~ , see previous two figures.)
Between outdoor unit and indoor unit
Between outdoor unit and outdoor unit of other systems
Max. wiring length : 1,000 m
Max. total wiring length : 2,000 m
Max. no. of branches : 16
[Note]
No branch is allowed after branch
(See next figure)
Max. no. of outdoor units of other system
that can be connected
: 10
1. Connection example for single system
2. Outdoor unit
3. COOL/HEAT selector
4. To outdoor unit of other system
5. Match up terminal symbols. (Has polarity)
6. Use duplex wires
7. Indoor unit
8. Never connect the power wire
1. Connection example for multi system
2. Outdoor unit A (Master unit)
3. Outdoor unit B (Sub unit)
4. COOL/HEAT selector
5. To indoor unit
6. To outdoor unit of other system
1. Outdoor unit
2. Indoor unit
3. Branch line 1
4. Branch line 2
5. No branch is allowed after
branch
6. Main line
7. Central remote controller, etc.
8. Branch line 3
9. Transmission wiring between
outdoor unit and indoor unit
10.Transmission wiring between
outdoor unit and outdoor unit
1
2
3
4
5
6
7
8
ABC
A
F1 F2 F1 F2 Q1 Q2
B
C
3
1
1
A5P A1P
TO IN/D UNIT
TO OUT/D UNIT TO MULTI UNIT
F1 F2 F1 F2 F1 F2
1
23
4
5
6
A
F1 F2 F1 F2
Q1 Q2
Q1 Q2
B
C
A5P A1P A1P
TO IN/D UNIT
TO OUT/D UNIT
TO MULTI UNIT
TO MULTI UNIT
311
2
2
1
111
7
3
3
4
4
5
5
10
99
2
22
22
22
22
22
22
22
22
6
6
8

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