7Installation instructions & user manual
9120-34373 v4.00 Nov 2018 - ZIP DBX DEX
Technical support
Tel: 0345 6 005 005 email: service@zipindustries.co.uk www.zipwater.co.uk
TECHNICAL DATA
Zip InLine
MODEL DEX12 DEX DBX18 DBX21 DBX24 DBX27
Installation pressure-resistant / pressureless
Declared load profile XS S
Energy efficiency class *
)
A
Energy efficiency (ηwh) *
)
% 40 38
Annual electricity consumption *
)
kWh 467 484 486 484 483 484
Thermostat / Temperature setting °C 55 60
Sound power level dB(A) 15
Power rating kW 8.8 / 11.5
1)
18/21/24/27
1)
18 21 24 27
Nominal Supply voltage V AC 220 – 240 3/PE 380 – 400 3/PE 400
Rated current A 38 / 50
26/30/35/39
2)
26 30 35 39
Min. required cable size mm² 10 4 / 4 / 6 / 6
2)
4 4 6 6
Hot water max. at ∆t = 33 K l/min
Rated volume 0,3 l
Rated pressure MPa 1.0
Heating system Bare wire heating system IES
®
@ 15 °C:
Required spec. water resistance
Spec. electrical conductivity
Ωcm
mS/m
≥ 1300
≤ 77
≥ 1100
≤ 90.9
≥ 1300
≤ 77
Inlet temperature °C ≤ 25 ≤ 70 ≤ 30
Flow rate to switch on –
max. flow rate
l/min 2,5 – 5,0
3)
2,5 – 8,0
3)
2,5 – 7,0
3)
2,5 – 8,0
3)
2,5 – 9,0
3)
Temperature rise at max. flow °C 25 / 33
32/37/42/48
3)
36 37 42 43
Temperature choice °C 20 – 55 20 – 60 30 – 60
Water connection G ½"
Weight (when filled w. water) kg 3.7
VDE class of protection I
Water protection class IP25
Type of protection / safety
*) The declaration complies with the EU regulation No 812/2013
1) Power rating is selected at time of installation
2) Depending on the selected power rating
3) Flow rate limited to achieve optimum temperature rise
The cable size may not exceed 10 mm²
All data quoted at nominal supply voltage. Standard European voltage tolerances of -6 % to +10 % may be applied.
A minimum water pressure of 0.2 MPa (2 bar) is recommended for optimum performance.
Maximum flow rate will be achieved at a water pressure of 0.6 MPa (6 bar).
The appliance must not be subject to more than 1.0 MPa (10 bar).
Temperature rise °C = (Nominal power rating (kW) x 14.3)
Flow per minute (litres)
Instantaneous performance calculations
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