Installation manual
7
ERYQ005~007ACV3
Outdoor unit for air to water heat pump
(4PW33166-1B)
3P194375-1A
Procedure
1
Strip the insulation from the wire (20 mm).
2
Connect the connection wires between the indoor and outdoor
units so that the terminal numbers match (see wiring diagram
below). Tighten the terminal screws securely. We recommend a
flathead screwdriver to tighten the screws.
See also caution 2 under
wiring guidelines.
3
Earth terminal installation
■
Use the following method when installing single core wires.
■
Use the following method when using round crimp-style
terminals.
4
Pull the connected wire and make sure that it does not
disconnect. Then fix the wires in place in the wire clamp. See
also
Notes to observe
Observe the notes mentioned below when wiring to the power supply
terminal board.
■
Use the specified wire type and connect it securely (1).
■
Firmly secure the wire clamp so that wire terminations do not
receive external stress (2).
■
Shape wires so that the service cover and stop valve cover fit
securely (3).
1
Interconnection between indoor unit and outdoor unit : when
wire length exceeds 10 m, use Ø2.5 mm wires instead of
Ø1.5 mm wires.
2
Power supply cable
(refer to the unit nameplate for maximum running current)
3
Earth
4
Safety breaker
5
Earth leakage circuit breaker
NOTE
This unit must be earthed.
For earthing, follow the applicable local standard
for electrical installations.
1
Single core wire
2
Screw
3
Flat washer
1
Round crimp-style terminal
2
Screw
3
Flat washer
9
10
11
1 2 3
L N
H05VV
2
1
4
5
3
50 Hz
230 V
1 2 3
9 10 11
A'
A
AA'
2
3
1
1
3
2
3
3
2
1
1
B
B
CAUTION
1.
In case the use of stranded conductor wires is
unavoidable for one reason or another, make sure to
install round crimp-style terminals on the tip.
Place the round crimp-style terminal on the wire up to
the covered part and fasten the terminal with the
appropriate tool.
2.
When connecting the connection wires to the terminal
board using a single core wire, be sure to perform
curling.
Not executing the connections properly may cause
heat and fire.
Strip the wire at terminal block:
L
N
1
2
3
1
3
2
2
1
1
Stranded conductor wire
2
Round crimp-style terminal
1
Strip wire end to this point
2
Excessive strip length may cause electrical shock
or leakage.
