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Notes to observe
Observe the notes mentioned below when wiring to the power supply
terminal board.
1
2
4
4
3
A
B
5
1 Interconnection
2 Power supply cable
3 Bottom plate heater power supply cable
4 Tie wrap
5 Bottom plate heater cable
Use the specified wire type and connect it securely (A).
Firmly secure the wire clamp so that wire terminations do not
receive external stress (B).
Shape wires so that the service cover and stop valve cover fit
securely (C).
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
1
1 Stranded conductor wire
2 Round crimp-style terminal
3.
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:
1 Strip wire end to this point
2 Excessive strip length may cause electrical
Installation manual
14
1
2
3
L
N
C
shock or leakage.
14.4. Electrical characteristics
CAUTION
Select all cables and wire sizes in accordance with
applicable legislation.
CAUTION
After finishing the electrical work, confirm that each electric
part and terminal inside the electric part box is connected
securely.
The wiring diagram can be found on the inside of the front plate of the
unit.
15. T
EST OPERATION
DANGER
Never leave the unit unattended during installation or
servicing. When the service panel is removed live parts
can be easily touched by accident..
INFORMATION
Note that during the first running period of the unit,
required power input may be higher than stated on the
nameplate of the unit. This phenomenon originates from
the compressor that needs elapse of a 50 hours run in
period before reaching smooth operation and stable power
consumption.
15.1. Pre-run checks
Check
Outdoor unit is installed properly
on solid base.
No refrigerant gas leaks.
Refrigerant gas and liquid pipes
are thermally insulated.
System is properly earthed.
The specified wires are used for
interconnecting wire connections.
Outdoor unit air intake and
exhaust is free of obstructions.
Stop valves are opened.
Symptom
Fall, vibration, noise
Incomplete cooling/heating
function
Water leakage
Electrical leakage
Inoperative or burn damage
Incomplete cooling/heating
function
ERLQ006~008BBV39
Outdoor unit for air to water heat pump
4PW68003-1A – 03.2011
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