Electrical Characteristics; Erhq Models; Erlq Models; Test Operation - Daikin Altherma ERHQ014BAV3 Installation Manual

Refer to the installation manual attached to the indoor unit for
wiring of indoor unit, etc.
Attach an earth leakage circuit breaker and fuse to the power
supply line. (See figure 6)
1 Earth leakage circuit breaker
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.

14.4. Electrical characteristics

ERHQ_V3
Phase and frequency 1~ 50 Hz
Voltage
Recommended field
32 A
fuse
Minimum circuit
28.2 A
(a)
amps
Wire type of wiring
between the units
(a) Stated values are maximum values (see electrical data of combination with
indoor unit for exact values).
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.

ERHQ models

For V3 models: Equipment complying with EN/IEC 61000-3-12

ERLQ models

For V3 models: This equipment complies with respectively:
(2)
EN/IEC 61000-3-11 provided that the system impedance Z
is less than or equal to Z
(1)
EN/IEC 61000-3-12 provided that the short-circuit power S
is greater than or equal to the minimum S
at the interface point between the user's supply and the public
system. It is the responsibility of the installer or user of the equipment
to ensure, by consultation with the distribution network operator if
necessary, that the equipment is connected only to a supply with
respectively:
a system impedance Z
sys
a short-circuit power S
sc
S value.
sc
ERLQ011CAV3
ERLQ014CAV3
ERLQ016CAV3
For W1 models: Equipment complying with EN/IEC 61000-3-12
The wiring diagram can be found on the inside of the front plate of the
unit.
(1) European/International Technical Standard setting the limits for harmonic
currents produced by equipment connected to public low-voltage systems
with input current >16 A and ≤75 A per phase.
(2) European/International Technical Standard setting the limits for voltage
changes, voltage fluctuations and flicker in public low-voltage supply
systems for equipment with rated current ≤75 A.
Installation manual
21
ERLQ_V3 ERHQ_W1 ERLQ_W1
3N~ 50 Hz
230 V 400 V
40 A 20 A
34.2 A 13.5 A
Minimum cable section of 2.5 mm
and applicable for 230 V
and
max
value
sc
less than or equal to Z and
max
greater than or equal to the minimum
Z (Ω) Minimum S
max sc
0.22 525 kVA
0.22 525 kVA
0.22 525 kVA
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..
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

Electrical wiring
Inter-unit wiring
Earth wire
16.3 A
2
Refrigerant
piping
Extra
refrigerant
Be sure to perform a test run.
Be sure to fully open the liquid-side and gas-side stop valves. If
you operate the unit with stop valves closed, the compressor will
break down.
(1)
Never leave the unit unattended with an open front panel during

test run.

To protect the compressor, make sure to turn on the power
supply 6 hours before starting operation.
During tests never pressurize the applications with a pressure
higher than the maximum allowable pressure (indicated on the
sys
name plate of the unit).
sc
15.2. Test run
Carry out the test run in accordance with the indoor installation
manual to ensure that all functions and parts are working properly.
value
(1)
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.
Is the unit properly earthed?
Is the wiring between units connected in series
correct?
Are any of the wiring attachment screws loose?
Is the insulation resistance at least 1 MΩ?
- Use a 500 V mega-tester when measuring
insulation.
- Do not use a mega-tester for low-voltage circuits.
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 stop valves for both the liquid side and the
gas side open?
Did you write down the extra refrigerant and the
refrigerant piping length?
ERHQ011~016BAV3+W1 + ERLQ011~016CAV3+W1
Outdoor unit for air to water heat pump
4PW57794-1 – 08.2010