rok założenia
1992
OPERATING AND ASSEMBLY MANUAL
ELECTRIC TANKLESS WATER HEATER
FOR CENTRAL HEATING SYSTEMS
(Electric water boiler)
TYPE EKW -
AsDC-W
- AsDC-W
-
AsZN-W
-
AsB II
- AsD-W
AsZN-W
AsB II
GoldLine
AsD-W
Intelligent AntiStop system
ZŁOTY CERTYFIKAT
PRZEDSIĘBIORSTWO
ZŁOTY CERTYFIKAT
GRAND PRIX
EKO-BUD '97
FAIR PLAY
2001-2009
2001
2010
GoldLine
2
Bolier EKW AsD
-
W
10
15
8
7 9 2
Insulation (polistyren)
CH hot water inflow
Circulation
Sensor cover
CH water outflow
Tank diagram
460 mm
18
11
Spiral coil
Thermostat sensor cover
Magnesium anode.
Cold water inflow
3/4"
L
400 mm
1/2"
325 mm
12
20
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1/2"
100 mm
L
80 l 830 mm
100 l
975 mm
Net weight
50 kg 53 kg
ESC ON OFF
Boiler
EKW AsDC
-
W
RETURN RETURN SUPPLY
54 cm
14 17
21 19 13 16 5 4 3
Min
. Premises height
2,1m
(required while installation)
VENT
MANOMETER 4 BAR
Boiler
EKW AsDC
-
W
With build-in HUW tank
- exemplary application
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CONTROL PANEL
ESC ON OFF
INSIDE BOILER
:
- CH PUMP
- HUW PUMP
- 8l CH MEMBRANE VESSEL
- 2X ONE-WAY VALVE
100l HUW TANK
20
circulation
HUW
outflow
CH.
Cold water
outflow
CH
COIL 29 kW
Safety
valve
Ball
valve
manomet
e
r
circulation
pump
membrane
vessel
MAGNESIUM ANODE
200 mm
Safety valve)
HUW outflow
600 mm
3
RELAYS
ESC
ON OFF
10
15
8
7 9 2
18
11
SENSORS
SENSORS
ELTERM
BODY. BAL. CH. HUW. ROOM. WEA..
EXTERNAL
REGULATORS
ATTENTION
THERMOREGULATOR
0 V!
6
5
4
3
2
1
Boiler
EKW AsZN
-
W
6
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BOILER
EQUIPMENT
1
2 3 External casing
Mounting plate
Automatics mounting brackets
LCD display
Control panel
Room thermostat connection strip
Boiler body (tank)
Boiler insulation
Heating unit
ESC ON OFF
y
y y y y y y y y y y y y y y y y n
n
n
n
y
y
n
RETURN SUPPLY
4
16 5 4 3
14 17
13
5 6
Boiler
EKW AsB II
10
15
8
7 8 9 10
3/8”
automatic vent
11 Terminal strip
11
3
4
5
7
9
12
12
Relays
13
Feed stub pipe
3/4",
AsB II 1" 14
Return stub pipe
3/4",
AsB II 1" 15 Manomet
e
r 4 bar
16
Safety valve
3 bar 17 CH pump
(up to 48kW)
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18 8 l membrane vessel
19 HUW pump
20 100l tank 21
Return stub pipe
¾’’
HUW 22 “Room” sensor terminal strip
23 „Floor” sensor terminal strip
24 HUW sensor terminal strip
ESC ON OFF
RETURN
SUPPLY
14 17
13 16 6
EKW
EKW EKW
AsZN . AsDC AsD
-W -W -W
12
24 22 23
EKW
AsBII
y y y y y y y y y y y y y y y y y y
n
n
n
y
y
n y y y y y y y y y y y y y y y y y y
y
y
y
y
y
n y y y y y y y y y y y y y y y y y y
y
y
y
y
y
y
4
Thank you for placing trust in our company and for purchasing our product
. OPERATING AND ASSEMBLY MANUAL
- ELECTRIC TANKLESS WATER HEATER
FOR CENTRAL HEATING SYSTEMS
TYPE EKW AsZN-W, AsD-W AsDC-W, ASB II (Electric water boiler)
APPLICATION
All of the GoldLine (EKW AsZN-W, EKW AsD-W, EKW AsDC-W, EKW AsBII
) boilers are
designed to provide heating to small and medium sized locations equipped with
either open or closed low temperature (T<100°C) central heating water systems.
Boilers
EKW:
AsZN
-
W, AsD
-
W, AsDC
-
W in closed central heating system:
Boilers are designed for autonomous operation in both open and closed central
heating systems. Those boiler types come with a safety unit, 8l membrane vessel
and CH pump (*HUW pump in AsD-W and AsDC-W as well).
AsB
II 27 ÷ 48 kW
in closed central heating system
:
In closed heating system CH installation needs to be equipped in membrane vessel.
The membrane vessel is not supplied with the boiler.
AsB II
54 ÷ 144 kW
in closed central heating system
:
In closed heating system CH installation needs to be equipped in membrane vessel
and CH pump. The membrane vessel and CH pump are not supplied with the boiler.
TABLE OF CONTENTS
BOILER DESIGN
. . . .
. . . . .
.
. . .
. . . . .
2 HYDRAULIC AND
ELECTRICAL ASSEMBLY . .. . . . . . . . . 5
BOILER START
-UP
. . . . .
.
. . . . . ..
. . 7 SETTINGS
. . . . . . . .
. . . . . . . . . . .
. . . 8 REFERENCE DIAGRAMS
. . . . . . .
. . 17 DECLARATIONS OF CONFORMITY.
18
DIMENSIONS
: EKW AsB II
EKW AsZN
-
W EKW AsD
-
W
410
270
EKW AsDC
-
W
455mm 455mm
680
680
680
POWRÓT ZASILANIE
50
235
410
270
50
225
55
410
270
120 105
21 21
1
55
1
50
1
50
1560mm
H
YDRAULIC
AND
ELE
CTRIC ASSEMBLY
HYDRAULIC ASSEMBLY
Please familiarize yourself with
the electrical and hydraulic diagram
, as
well as technical data prior to assembly. Details on www.elterm.pl
Boilers
EKW
AsZN
-W,
AsD-W, AsB II
are hanging vertical devices and should be
hung on bolts. First, remove the cuboidal casing (unscrew the sheet metal screw
at the bottom of the boiler).
HUW tank (supplied with AsD
-
W boiler) should as well be hung on bolts
. Boiler
EKW
AsDC
-W
is a standalone device
.
HUW tank is build
-
in into boiler.
I –
HYDRAULIC ASSEMBLY
A –AsZN
-W (¾” male thread half union for CH pump
– supplied with boiler
)
1. Feed stub pipe ¾” male thread – on the boiler’s right side (no. 13)
2. Return stub pipe ¾” female thread – on the boiler’s left side (no. 14)
B –
AsB II 27 ÷ 48
(
1”
male thread half union for CH pump
– supplied with boiler
)
1. Feed stub pipe 1” male thread – on the boiler’s right side (no. 13)
2. Return stub pipe 1” male thread – on the boiler’s left side (no. 14)
C – AsB II 54 ÷ 144
1.
Feed stub pipe
1” male thread
– on the boiler’s right side (n
o. 13)
2. Return stub pipe 1” male thread – on the boiler’s left side (no. 14)
D –AsD-W (¾” male thread half union
s for CH
and HUW
pump
s – supplied with boiler)
1. Feed stub pipe ¾” male thread – on the boiler’s right side (no. 13)
2. Return stub pipe ¾” male thread – on the boiler’s left side (no. 14)
3. Return stub pipe for HUW ¾” male thread – in the middle (no. 21)
5
EKW AsD
-W
BOILER
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ESC ON OFF
ONE-WAY
VALVES
CH HUW SUPPLY
RETURN
E –EKW AsDC
-
W All male threads
¾”
(top view
)
80 60 60 50 120
ATTENTION
!
Concerns AsD
-W
only One-way valves are mandatory while assembly
AsD-W boiler
.
Lack of
such valves on CH and HUW return causes inappropriate boiler and
pump operation as well as loss of guarantee.
One-way valves are not supplied with
boiler.
ATTENTION!
Concerns AsDC
-
W only
One-way valves for CH and HUW are factory assembled.
Safety valve is not included.
circulation
The boiler has to be connected to the central heating system
using the
¾” or
1”
pipe
unions according to the direction of water flow (arrows on boiler).
Connection to be
made in accordance with PN-91/B-02413 (open central heating systems) or
PN-91/B-02414 (closed central heating systems.). T
he central heating system has to be
flushed prior to start-up. If installed outside Poland, the boiler ought to be co
nnected in
accordance
with the applicable regulations valid in the country where the boiler is
installed
.
CH
HUW water
inflow
cold water
inflow
CH
6
ELECTRIC ASSEMBLY
BOILER START
-
UP
Connection to the electrical system needs to be done in accordance with the regulations applicable
in
the
country where the given boiler is installed, and therefore must be done by qualified electrician (electrical
company installing the boiler puts a relevant stamp on the guarantee card). Heaters with powers from 4
to
24 kW are designed by an alternating current, 3-phase (400V3N~50Hz). 4, 6 and 9 kW
versions are also
available in 1-phase (230V1N~50Hz). In case 400V work is essential one should protrude bridge out of L1 L2 L3
clamp bar. Boilers AsZN-W, AsD-W and AsDC-W are equipped in TLZ terminal strip.
AsB II boiler is equipped
in switch disconnector. For this terminal strip one should connect power supply in accordance to L1 L2 L3
N PE
description. The technical data table (page 7) provides information on the cross-
section of the power cord to
be used for boiler connection and the applicable power (A) of the main fuses protecting the boiler.
Boiler
EKW
should be connected to the electric installation by a device enabling full power disconnection
. It is also
required to use residual current device (in case house installation lacks such).
A –
Connection strip
1 –
HUW measuring sensor
– concerns AsD-W boiler (no. 24)
0
VOLT !!!
ESC
ON
OFF
RELAYS
Sensors
ELTERM
Body. BALL. CH. HUW. ROOM WEATH
EKW
BOILER START
-
UP
2 –
room sensor
ELTERM (
optional
)
– clamps (no. 22)
3 –
„weather” sensor
(no. 23) 4 –
external room temperature controller
,
recommended
ELTERM’s „ThermLine RT” (no. 6)
Sensors
EXTERNAL
REGULATORS
6
5
4
3
2
1
THERMOSTATE
6
B –
„weather
” sensor connection
Weather sensor
no. 25
we do connect to boiler using 2
-
strand wire.
We connect it to the boiler by no. 23 strip, on weather sensor by no.
25A strip – connection order is irrelevant (2-strand wire is not
included to the boiler).
23 22 24
25 A
- weather
sensor
26 A
- room
sensor
C –
room sensor connection
(op
tional
)
Weather sensor no. 2
6 we do connect to boiler using 2
-
strand wire.
We connect it to the boiler by no.
22 strip, on weather sensor by no.
26A strip – connection order is irrelevant (2-strand wire is not
included to the boiler).
ATTENTION
:
Room and weather sensors are universal and exchangeable. One should remember about proper connection according
to points B and C above.
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