Test Operation - Daikin RZQ71B7V3B Installation Manual

Lay the electrical wiring so that the front cover does not rise up
when doing wiring work and attach the front cover securely.
3
4
5
1 Switch box
2 Stop valve mounting plate
3 Ground
4 Tie-wrap
5 Wiring between units
6 Power supply and ground wiring
When cables are routed from the unit, a protection sleeve for the
conduits (PG-insertions) can be inserted at the knock-out hole.
(See figure 7)
1 Wire
2 Bush
3 Nut
4 Frame
5 Hose
A Inside
B Outside
When you do not use a wire conduit, be sure to protect the wires
with vinyl tubes to prevent the edge of the knock-out hole from
cutting the wires.
Follow the electric wiring diagram for electrical wiring works.
Form the wires and fix the cover firmly so that the cover may be
fit in properly.
Precautions on wiring of power supply and inter-unit
wiring
Use a round crimp-style terminal for
connection to the power supply
terminal board. In case it cannot be
used due to unavoidable reasons,
be sure to observe the following
instruction.
- Do not connect wires of different gauge to the same power
supply terminal. (Looseness in the connection may cause
overheating.)
- When connecting wires of the same gauge, connect them
according to the below figure.
Installation manual
11
6
Use the correct screwdriver to tighten the terminal screws.
Small screwdrivers can damage the screw head and prevent
appropriate tightening.
Over-tightening the terminal screws can damage the screws.
See the table below for tightening torques for the terminal
screws.
1
M4 (X1M)
M5 (X1M)
M5 (EARTH)
Refer to the installation manual attached to the indoor unit for
2 2
wiring of indoor units, etc.
Attach an earth leak detector and fuse to the power supply line.
(See figure 9)
I Pair
II Twin
III Triple
IV Double twin
M Master
S Slave
1 Earth leak detector
2 Fuse
3 Remote controller
In wiring, make certain that prescribed wires are used, carry out
complete connections, and fix the wires so that outside forces
are not applied to the terminals.
Specifications of standard wiring components
Recomm
ended
Model field fuse
RZQ71 20 A
RZQ100+125 30 A
(*) Only in protected pipes, use HO7RN-F when protected pipes are not used.
T
EST OPERATION
Be sure to fully open the liquid-side and gas-side stop valves.
For details on test operation, refer to the indoor unit installation
manual.
Pre-run checks
Electrical wiring
Inter-unit wiring
Ground wire
Refrigerant piping
Extra refrigerant
Tightening torque (N•m)
1.2~1.8
2.0~3.0
3.0~4.0
Power supply
(*)
Wire type Size
H05VV-U3G Wiring size must
comply with the
applicable local
H05VV-U3G
and national code
Items to check
Is the wiring as mentioned on the wiring
diagram?
Make sure no wiring has been forgotten and that
there are no missing phases or reverse phases.
Is the unit properly grounded?
Are any of the wiring attachment screws loose?
Is the size of the piping appropriate?
Is the insulation material for the piping attached
securely?
Are both the liquid and gas pipes insulated?
Are the shut-off valves for both the liquid side and
the gas side open?
Did you write down the extra refrigerant and the
refrigerant piping length?
Wire type of
wiring between
the units
H05VV-U4G2.5
H05VV-U4G2.5
RZQ71~125B7V3B
Split System air conditioners
4PW16864-1A