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Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
www.pahlen.com[email protected] +46 8 590 868 80 +46 8 594 110 50
E ( 1 : 2 )
Surface treat
m
part of ISO 27
The tolerance
E
Box 728, SE-194 27 Upplands Vä
s
Phone +46 8 59411050, Fax +46
8
5
8
7
6
5
4
3
21A
690~3400~3 690~3400~3
1-p
3
1399000
1
2
3
4
5
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7
8
2
MA45-19A
2013
2 ARABIC
Copyright © 2023 Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
Tel. +46 8 594 110 50, Fax +46 8 590 868 80, e-mail: [email protected], www.pahlen.com
User manual /
MidiHeat EHA
MA45-32AE rev.3
2023
It is important to read through this manual carefully in order to ensure the function and useful life of the pool equipment.
This manual can also be found at www.pahlen.com .
Pahlén AB is not responsible for product warranties or for damages that occur as a result of faulty installation, improper use or
poor maintenance.
MidiHeat EHA
Model name Item no.
MidiHeat EHA180T 1512018T
MidiHeat EHA240T 1512024T
MidiHeat EHA300T 1512030T
MidiHeat EHA360T 1512036T
MidiHeat EHA450T 1512045T
MidiHeat EHA600T 1512060T
MidiHeat EHA720T 1512072T
All heaters are produced by Pahlén AB in Upplands Väsby, Sweden.
MidiHeat EHA
www.pahlen.com
ENGLISH 3
EC 9
Declaration of Conformity
ARABIC 11
ﺔﻘﺑﺎطﻣﻟا نﺎﯾﺑ ﺔﯾﺑوروﻷا ﺔﻋوﻣﺟﻣﻟا (EC)
ﺔﯾﺑرﻌﻟا ﺔﻐﻠﻟا
ARABISKA
مجحلا ريغص E11F**0 زارطلا
11F 120 13981412
11F 150 13981415
11F 180 13981418
MidiHeat EHAE
MidiHeat EHDE
Elvärmare
3
ENGLISH
MidiHeat EHA
MA45-32AE GB Translation of the original instructions (Swedish)
Rating plate
Overheating limit control
Figure 1
On/O
Thermostat
Product description
Pahlén’s MidiHeat EHA is a compact electric heater for swimming pools. It is tted with an analogue thermostat that controls
the temperature of the pool water (max +45ºC). The heaters metal chassis contains a water reservoir made from glass bre
reinforced polypropylene, that has ecient corrosion resistant titanium immersion heaters.
The immersion heaters can be supplied with ratings from 18–72kW at 400V (380–415V 3-phase).
Check the rating plate on the back of the heater for applicable data.
WARNING
• This device must not be used to heat drinking water.
• This apparatus must not be used in aggressive water, salt water or pools/hot tubs with chlorine
machines/salt chlorinators, see the recommended values regarding the water quality.
• The water inlet on this device must not be connected to the water from any other water heating
system.
• The heater must be installed in accordance with the applicable national legal statutes and directives,
and the electrical installation must only be performed by a qualied electrician.
• Do not begin the installation of the product before you have read and understood the installation
instructions and warnings in this manual. If you have any questions about the installation
instructions or warnings, contact your local retailer.
• Under no circumstances may this device be started before it is completely lled with water.
• This device must not be covered, placed in the vicinity of inammable material or in direct sunshine
.
• This device must not be used by very small children (0-3 years old).
• This device must not be used by small children (3-8 years old) and persons with highly compre-
hensive and complex functional disabilities unless they are constantly supervised by a person
responsible for their safety.
• This device may be used by children over 8 years of age, and by persons with impaired physical,
sensory or mental capacity or with a lack of experience or knowledge, provided they have received
guidance on how to use the device safely and that they have been made to understand the risks
that may occur by a person responsible for their safety.
• Children may not play with the device.
• This device must not be cleaned or maintained by children without supervision.
• If the installation instructions are not followed, the product guarantee is null and void.
4
ENGLISH
MidiHeat EHA
MA45-32AE GB Translation of the original instructions (Swedish)
Art.no.
Rev.no.
Scale
Designed by: Approved by:
Revised by: Date
Drawn by: Date
Drawing number
Assembly drawing no.
Surface treatment
part of ISO 2768-1
The tolerance class in accordance with this
E
Box 728, SE-194 27 Upplands Väsby, Sweden
Phone +46 8 59411050, Fax +46 8 59086880
ASA 2016-10-03
MidiHeat master/slave
M12589 0
This document and its contents are the exclusive
property of Pahléns and may not be copied,
reproduced, transmitted or communicated to a third
party, or used for any purpose without written permission.
Art.no.
Rev.no.
Scale
Designed by: Approved by:
Revised by: Date
Drawn by: Date
Drawing number
Assembly drawing no.
Surface treatment
part of ISO 2768-1
The tolerance class in accordance with this
E
Box 728, SE-194 27 Upplands Väsby, Sweden
Phone +46 8 59411050, Fax +46 8 59086880
ASA 2016-10-03
MidiHeat master/slave
M12589 0
This document and its contents are the exclusive
property of Pahléns and may not be copied,
reproduced, transmitted or communicated to a third
party, or used for any purpose without written permission.
+/-
VISE
Drawing no: M11921-5
2022-06-03 ASA
Installation Midi Heat
1
4
2
3
5 5
11
9
7
6
8
10
12
13
10
1. Skimmer
2. Main drain
3. Inlet
4. JetSwim
5. Light
6. Circulation pump
7. Filter
8. MidiHeat
9. Non-return valve
10. Drain
11. Bypass valve
12. Shut-o valve
13. Draining valve
Figure 2
Installation
Pipe routing shall always performed before the electrical installation.
Position the heater so that the front and top can be opened. Install the connections so that the heater can be easily moved for
inspection, cleaning and service.
A non-return valve must be installed AFTER the heater and a shut-o valve BEFORE the heater to allow servicing the heater
without needing to empty the pool.
A by-pass should be installed and adjusted so that the recommended ow through the heater can be attained.
Mount the heater on the oor/foundation with screws/bolts through the four Ø9 mm holes in the bottom.
Pipe installation
Connect the heater to the pool system according to the ow diagram below. The outlet must not be connected to any other type
of tap or connection than those given.
The electric heater has a G2¾” connection for glued attachment of Ø63 mm outer diameter PVC piping.
NOTE! Do not t a shut-o valve between the heater and swimming pool (t a non-return valve instead).
Mixing of chlorine, acid or similar in the pool water must always be performed AFTER the heater, to avoid corrosion.
Technical data
Max.pressure 2 bar (0.2 MPa)
Max.ow 300 l/min
Min.ow 170 l/min
Ambient temperature +5°C to +40°C
General info
Please follow these specications for water quality:
Free Chlorine: 0.5 –1.5 mg/litre (ppm)
Combined Chlorine: 0 – 0.5 mg/litre (ppm)
Total Chlorine: 0.5 – 2.0 mg/litre (ppm)
Chloride (salt) content: —
pH-value: 7,2 –7,6
Alkalinity: 60 –120 mg/litre (ppm)
Calcium hardness: 100 – 300 mg/litre (ppm)
Figure 3. Example:
Linkageof several MidiHeats Drain
Drain
5
ENGLISH
MidiHeat EHA
MA45-32AE GB Translation of the original instructions (Swedish)
Electrical installation
• The electrical installation must be performed by an authorized electrician and in accordance with the instructions included
with the heater.
• A main switch must be tted before all of the heater’s electrical connections (L1, L2, L3). This must be a multi-pole switch that
fulls the demands of IEC/EN 60335-1 sections 7.12.2, 22.2, 24.3.
• We recommend the installation of a residual current device.
• Connect the heater in accordance with the connection drawing, see pages 13.
• The control voltage is connected to connection block L1 and N.
Note that the control voltage must be equipped with separate 5 –10 Ampere fuse for the electrical connections (L1, L2).
• The heater must be installed in such a way that it cannot be activated unless circulation pump (sucient ow) is operational,
i.e. the control voltage to the heater’s contactor must be interlocked via the pump’s contactor.
• Do not connect the heater to an incorrect power source. Contact the local electrical utility for the correct power source.
• The voltage to the heater may not vary by more than +5% to –10% with respect to the model and rating plate specication.
• The input cabling FOR THE CONTROL CIRCUIT must always be fused for 5 –10A.
• The input cabling FOR THE CONTACTORS shall be fused in accordance with the table for the operating voltage in question,
see gure 5.
The input cabling for the contactors (K1A-K4A) shall be connected according to the electrical drawing in the way shown in
gure 4 below.
NOTE! It is important that the screwdriver has the correct dimensions, and is pushed into the correct hole in the
correct way.
3~ 380–415V
Output Fuses F1-4 min. cable area
2x9 = 18kW 20A 2,5 mm2
2x12 = 24kW 25A 4 mm2
2x15 = 30kW 32A 6 mm2
3x12 = 36kW 25A 4 mm2
3x15 = 45kW 32A 6 mm2
4x15 = 60kW 32A 6 mm2
4x18 = 72kW 32A 6 mm2
White Pink
Blue Blue
White Pink
Heating element connected for 380-415V 3-phase
Figure 5
Figure 4
NOTE!
6
ENGLISH
MidiHeat EHA
MA45-32AE GB Translation of the original instructions (Swedish)
Starting up
Start
1. Check the electrical connections and pipe routing. Turn on all external fuses.
2. Open all the valves except the drain valve and ll the system with water.
- If the water level in the pool is lower than the heater, ll the pool with the heater turned o (switch in position O).
- If the system has a by-pass, open the by-pass valve half way. Make nal adjustments later.
3. Start the the system pump to ll the system with water.
Temperature setting
4. Turn the switch on the electrical heater ON.
5. Set the desired pool temperature (°C) by turning the thermostat knob.
6. If the ow of water is correct and the pool water temperature is lower than the setting, heating element 1 and 2 will start with
approx 20 seconds delay to heat the water and the green “operating” lamp will light up. If the electrical heater has more than
two heating elements, no.3 will start after an additional 5 seconds and no.4 approx 5 seconds after that. This is to avoid
overloading the power supply.
7. Check that water temperature in the pool after a while and make any ne adjustments to the thermostat.
Water ow/Bypass adjustment
The water ow is adjusted using a valve (item 22, gure 2) on the by-pass.
Adjust the by-pass valve so that the ow through the electrical heater is between 170 – 300 l/min. To prevent unauthorized
adjustment, operating problems or damage to the electrical heater, we recommend that the handle of the by-pass valve is
removed once nal adjustment has been made.
Maintenance
Note that the electrical heater only operates when the water in the system is circulating. It should not operate if the circulation
pump is turned o or if the desired temperature has been reached.
If the water in the system is stationary for more than a week, the heater should be drained of water.
If there is a risk of freezing, the power to the electrical heater and cirkulation pump must be turned o and the heater drained of
water, see “Draining the heater” below.
When reverse ushing and cleaning the pool system’s lter, the electrical heater must be turned o.
In areas of very hard water, the immersion heaters can accumulate a coating of calcium after a long time, which reduces the
power of the electrical heater and the life of the immersion heaters. In such cases, contact an authorized electrician who can
perform a regular inspection of the immersion heaters and remove any such coating when necessary.
Draining the heater
1. Turn o the electrical heater and turn o the main switch before draining.
2. Close the shut-o valve (item 12 gure 2).
3. Open the draining valve (item 13 gure 2).
4. Undo the electrical heater’s outlet connection (marked with a red arrow) a little to let air in. The electrical heater contains ap-
prox. 15 litres of water. Make sure that all water has drained out.
5. Re-tighten the electrical heater outlet connection again once the heater is fully drained.
6. Close the draining valve.
With reservation for printing errors. We reserve the right to alter the technical specication and product range. Colour deviations may occur due
to printing techniques.
7
ENGLISH
MidiHeat EHA
MA45-32AE GB Translation of the original instructions (Swedish)
Midi Heat ( 3N~ 380-415V )
Electric heater with analog thermostat
K1B
K2B
K3B
K4B
K1A
K2A
K3A
K4A
H3 (heater)
H2 (heater)
H1 (heater)
H4 (heater)
0,75mm²
min.
0,75mm²
min.
0,75mm²
min.
0,75mm²
0,75mm²
0,75mm²
0,75mm²
bk 10mm²
bk 10mm²
bk 10mm²
bk 10mm²
br 10mm²
br 10mm²
br 10mm²
br 10mm²
wh 10mm²
wh 10mm²
wh 10mm²
wh 10mm²
yl/gn 10mm²
yl/gn 4mm²
yl/gn 4mm²
yl/gn 4mm²
E10068-12
140113 TS
P2:
P1:
1
P2:3 P2:4
L1
2
L2/N
L1
N
M
A1
A1
A1
A1
A1
L1
L1
L1
L1
L2
L2
L2
L2
L3
L3
L3
L3
A1
A1
A1
A2
A2
A2
A2
A2
A2
A2
A2
L1
L2
L3
External contactor
1-phase
External contactor
3-phase
Assembly drawing
(tank)
M
H3
H4
H2
H1
Overheating
limit control
Thermostat
12
br
br
bk
bk
bk
bk
Flow switch
15
15
15
18
18
18
T1
A1
A1
A1
A2
A2
A2
T2
T3
LA1
S1
1A 1B
2A 2B
L1
bk mm²
bk mm²
bk mm²
bk mm²
br mm²
br mm²
br mm²
br mm²
wh mm²
wh mm²
wh mm²
wh mm²
yl/gn *mm²
yl/gn *mm²
yl/gn *mm²
yl/gn *mm²
yl/gn
bu
gn oror
or
or yl
bu bu
bu
N
~220-240V
F5
5-10A
F1
F2
F3
F4
L1
L1
L1
L1
L2
L2
L2
L2
L3
L3
L3
L3
F1-4 (A)
20A
25A
32A
25A
32A
32A
32A
2,5mm²
4mm²
6mm²
4mm²
6mm²
6mm²
6mm²
Effect
*= fuses and power cable
2x9=18kW
2x12=24kW
2x15=30kW
3x12=36kW
3x15=45kW
4x15=60kW
4x18=72kW
Fuse min.
cable area
3~ 380V- 415V
3~ 380V- 415V
3~ 380V- 415V
3~ 380V- 415V
**
**
**
*
*
*
*
*
*
*
*
*
*
*
*
= potential free floating contact
Note:
Note:
380–415V 3~
380–415V 3N~
Thermostat
Flow switch
Location drawing
Tank
External contactor
1-phase
External contactor
3-phases
Over-
heating
limit
control
H1
H2
H3
H4
** = Potential free oating contact
* = fuses and power cable
Eect Fuse
F1-4
(A)
Min.
cable
area
White Pink
Blue
White Pink
Blue
White Pink
Blue
White Pink
Blue
White Pink
Blue
White Pink
Blue
White Pink
Blue
White Pink
Blue
H = Heating element
__________
___________________________
Pierre Zuber, Quality Manager
Upplands Väsby, 2020-03-12
This declaration of conformity is issued under the sole responsibility of the manufacturer and is based on the testing of one sample of the
above product. Pahlén AB ensures that all products in the series production are in conformity with the tested sample. The technical file
and all referenced test reports are available at Pahlén AB.
Doc. no. Pd-032.005
EC Declaration of Conformity
In accordance with EN ISO 17050-1:2010
The following products have been tested by us and found in compliance
with the Low Voltage Directive (LVD) 2014/35/EU,
the Electro Magnetic Compatibility (EMC) Directive 2014/30/EU and
the RoHS Directive (EU) 2017/2102
Applicant: Pahlén AB
Box 728, SE-194 27 Upplands Väsby, Sweden
VAT No.: SE556301230001
Product: MidiHeat EHA*T, MidiHeat EHD*T
Sample of the products have been tested with applicable parts of the following standards:
Safety: EN 60335-1:2012+AC:2014+A11:2014+A13:2017
+A1:2019+a14:2019+A2:2019
EN 60335-2-35:2016+A1:2019
IEC 60335-1:2010, /AMD1:2013, /AMD2:2016
IEC 60335-2-35:2012, /AMD1:2016
EMC: EN 55014-1:2017, EN 55014-2:2015
EN 61000-3-11:2000, EN 61000-3-12:2011
EN 61000-6-1:2007, EN 61000-6-3:2007+A1:2011
EMF: EN 62233:2008
Sealing class: IP44
Certification
Performed by: Nemko
CB certificate no.: NO110614, NO110615
11
MidiHeat EHA
MA45-32AE AR
21
MidiHeat EHA
MA45-32A
ةيبرـعلا
جتنملا فصو
Pahlén
-
-(
12
MidiHeat EHA
MA45-32AE AR
MidiHeat EHD
-
-
-
—
pH:)-
-
-
¾G2PVC Ø63
1
2
3
4
JetSwimm
)
5
6
7
8
9
10
11
-
12
-
+
+
28
+/-
VISE
Drawing no: M11921-5
2022-06-03 ASA
Installation Midi Heat
1
4
2
3
5 5
11
9
7
6
8
10
12
13
10
13
MidiHeat EHA
MA45-32AE AR
MidiHeat EHD
•
•
L1L2L3IEC/EN 60335-1
).
•
•.
•
L1N.
F5–L1،L2.)
•
P1P2
•
–
•–
•
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•
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J4
.
23
14
MidiHeat EHA
MA45-32AE AR
MidiHeat EHD
1.
2.
-
-
3.
4.
BA
1.A
2.
3.
EL
4.
E1
J2
J4
www.pahlen.com
J3
J2
J1
31
MidiHeat EHD
1.
2.
-
-
3.
4.
BA
1.A
2.
3.
EL
4.
E1
J2
J4
www.pahlen.com
J3
J2
J1
31
MidiHeat EHD
1
2
3
4
5
6
E1
E2
E6
E10
E12
HC
HP
E1 (2
33
MidiHeat EHD
1
2
3
4
5
6
E1
E2
E6
E10
E12
HC
HP
E1 (2
33
15
MidiHeat EHA
MidiHeat EHA
MA45-32A
ةيبرـعلا
3N~ تلوف 415 – 380
H2
H3
H4
**
MA45-32AE AR
/
