Daikin EKHWS-BA3Z2, Installation Manual

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Installation manual
6
EKHWS150~30 E300BA3Z2
Domestic hot water tank for air to water heat pump system
4P610547-1 – 2020.01
Note: only relevant field wiring is shown.
M
AINTENANCE
In order to ensure optimal availability of the unit, a number of checks
and inspections on the unit and the field wiring have to be carried out
at regular intervals.
The described checks must be executed at least once a year .
1 Domestic hot water tank pressure relief valve (field supply)
Check for correct operation of the pressure relief valve on the
domestic hot water tank.
2 Domestic hot water tank booster heater
It is advisable to remove lime buildup on the booster heater to
extend its life span, especially in regions with hard water. To do
so, drain the domestic hot water tank, remove the booster heater
from the domestic hot water tank and immerse in a bucket (or
similar) with lime-removing product for 24 hours.
A4P
K6M
F2B
3M
K7M
2 1
X4M
4a
OPTIONAL
X2M
21 20
Q2L
3-way valve 2-way valve
12 11 4
thermostat
2 1 3 5 6 7 8 9 10 13 19
thermal
fuse
14 15 16 17 18
SOLAR PUMP
N L
L2 L1
X3M (230V)
F1B
TR1
TR1
A1P
A1P
X2M
X1M
K5M
K2M
K1M
K1M
K2M
K5M
K4M
1 2 3 L1 L2 L3 N
15a
K3M
X9A
X13A
1 2 4
2
3
X4M X2M
>50 mm
X4M
X3M
230 V AC
3 kW
L N
400 V AC
3 kW
L1 L2
V3
Z2
3-way
valve
L
BRN BLU BLK
N Y
■
Before carrying out any maintenance or repair activity,
always switch off the circuit breaker on the supply
panel, remove the fuses or open the protection
devices of the unit.
■
Make sure that before starting any maintenance or
repair activity, the power supply to the outdoor unit is
switched off too.
4PEN610457-1.book Page 6 Tuesday, February 25, 2020 4:15 PM