Pahlen Aqua-Mex User manual
Copyright © 2009 Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
Product description
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exchanger equipped with an electronic control unit and circulation pump for the primary circuit.
All Aqua-Mex variants can be ordered with an interior coil of either titanium or stainless acid-resistant steel.
The titanium version (T) is intended for use in aggressive water conditions, salt water and in pools with a chlorinator.
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consumption.
Aqua-Mex heat exchanger
ENGLISH 1
Installation instruction
MA40-12E
2011
!"#$%"&'()*!"%+"&,%-$)
Fully equipped Aqua-Mex FE Standard Aqua-Mex
A complete heat exchanger with electronic control of temperature
#.8(?54C(D,(>&#,"0&*(#.(&2&-,05.)-(?54(*4),-+(,+#,(*+",*(5>>(,+&(+&#,(
&'-+#./&0()>(4#,&0(?54(*,5E*C(
A high-quality circulation pump drives the primary circuit.
Capacity: 40 or 70kW.
The Aqua-Mex FE is protected from dust and water as per protection
class IP44, for installation either indoors our outdoors.
Aqua-Mex FE is CE-approved.
A complete heat exchanger with connections to the
primary and secondary water circuits.
Capacity: 40, 70 or 100kW.
Dimensions L770xB140xH346 mm Dimensions AM 40 & AM 70
Dimensions AM 100
L770xB137xH178 mm
L942xB137xH178 mm
Weight AM-FE 40T 8,4 kg
AM-FE 40 9,1 kg
AM-FE 70T 8,8 kg
AM-FE 70 9,7 kg
Weight AM 40T 4,4 kg
AM 40 5,1 kg
AM 70T 4,8 kg
AM 70 5,7 kg
AM 100T 5,3 kg
AM 100 7,4 kg
Max primary circuit temperature 90ºC Max primary circuit temp. 90ºC
Max secondary circuit temperature 45ºC Max secondary circuit temp. 45ºC
%).)F"F(?54:(*&-5.8#0B(-)0-"), 90 litres/min %).)F"F(?54:(*&-5.8#0B(-)0-"), 90 litres/min
Pressure, primary circuit 0,3 - 6 bar Pressure, primary circuit max 6 bar
Pressure, secondary circuit max 4 bar Pressure, secondary circuit max 4 bar
Connection, primary circuit GHA Connection, primary circuit GHA
Connection, secondary circuit @A(IJK(FFL Connection, secondary circuit @A(IJK(FFL
Ambient temp. during operation +5 to +40 ºC
Protection class IP44
Voltage 220-240V 1~N 50/60 Hz
Current rating 0,5 A
Power consumption 96 W
Performance, heat exchanger Primary Secondary DT 60ºC *
Typ (T = with titanium coil) l/min m3/h H(m) l/min m3/h H(m) kW
AM 40, AM-FE 40 20 1,2 0,6 250 15 0,4 40
AM 40T, AM-FE 40T 20 1,2 0,4 250 15 0,4 40
AM 70, AM-FE 70 30 1,8 1,6 300 18 0,6 70
AM 70T, AM-FE 70T 30 1,8 1,4 300 18 0,6 70
AM 100 40 2,4 2,6 333 20 0,8 100
AM 100T 40 2,4 2,3 333 20 0,8 100
* The nominal heating output based on the temperature difference between incoming warm and cold medium (here 80-20=60°C).
Copyright © 2009 Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
Aqua-Mex heat exchanger
ENGLISH 2
Installation instruction
MA40-12E
2011
Non-return valve
Dimension diagrams
Aqua-Mex heat exchanger, standard
AM 40, AM 40T
AM 70, AM 70T
AM 100
AM 100T
Aqua-Mex FE heat exchanger, fully equipped
AM-FE 40, AM-FE 40T
AM-FE 70, AM-FE 70T
Safety
Before service and repair work is started, the unit must be disconnected from the power supply and secured against
unauthorized re-connection.
“People with limited physical or mental capacity (including children) may not use the unit without instructions on how it is to be
"*&8().(#(*#>&(F#..&0A(#*(E&0(D<M(JNKKO$HC
Apply thread
sealant here
Copyright © 2009 Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
>400
800
VÄRME
PANNA
Cirkulations-
pump
Värmeväxlare
Aqua MEX
Backventil
R
Aqua-Mex heat exchanger
ENGLISH 3
Installation instruction
MA40-12E
2011
Skimmer
Filter
Pump
Main drain
Drain
Boiler
Inlet
Jet Swim
Light Light
Aqua-Mex FE
Non-
return
valve
Installation, general
Aqua-Mex and Aqua-Mex FE can be installed together with a heat pump, solar panels or other heatsource, either with built-in
temperature control or solely as a heat exchanger.
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authorized electrician. The primary circuit (hot water) should be connected by a plumber.
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pressure drop and heat loss.
P( The pipes leading to and from the heat source should be insulated.
P( =+&(+&#,&0()*(&!")EE&8(4),+(@A(-5"E2)./*(I8)#F&,&0(JK(FFL(>50(35.8)./C
P( R&(0&-5FF&.8(,5(9,(#.(#)0(32&&8(1#21&(#,(,+&(+)/+&*,(E5).,().(,+&(E0)F#0B(-)0-"),C( >,&0(-5FE2&,)5.(5>().*,#22#,)5.:(,+&(E0)F#0B(-)0-"),(
( *+5"28(3&(32&8(I*&&(,+&(*&-,)5.(&.,),2&8(S%#).,&.#.-&ALC
P( The circulation pump’s motor, openings and condensation holes must be left free from any supplementary insulation material.
P( If there is a risk of sub-zero temperatures, and also if the pool is closed for longer than one month, the heat exchanger should
be drained of all water.
Installation, pipe-work
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Injection of chlorine, acid or other substances shall take place after the heat exchanger to avoid the risk of corrosion.
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Fully equipped Aqua-Mex FE:
The circulation pump may not be connected until all welding or
soldering work has been completed and the pipes have been
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HC( M+&-U(,+&(8)0&-,)5.(5>(?54(E0)50(,5().*,#22#,)5.6(
( =+&(*&-5.8#0B(-)0-"),T*(?54(I,+&(E552(4#,&0L()*(F#0U&8(5.
( ,+&(+&#,(&'-+#./&0T*(?54(*4),-+(+5"*)./C(VWX(=+&(E0)F#0B
( #.8(*&-5.8#0B(-)0-"),*T(?54(*+#22(3&().(5EE5*),&(8)0&-,)5.*(
for maximum effect, see the diagram below and the section
( &.,),2&8(S 2,&0.#,)1&(8)0&-,)5.(5>(?54AC(
2. Seal the thread on the non-return valve using thread sealing
tape or similar.
3. Fit the two wall mounting brackets.
Each bracket has two holes Ø6, c/c 91 mm. Between the
brackets the c/c distance is 610 mm.
4. Place the heat exchanger in the brackets.
5. Connect the secondary circuit (the pool water).
6. Screw the brackets together.
7. Check that the connections do not leak.
After this, the pool’s circulation system can be started up.
8. Connect the primary circuit.
9. Check that the connections do not leak.
10. Bleed the primary circuit.
11. The electrician can now connect the circulation pump, see
( ,+&(*&-,)5.(&.,),2&8(S<2&-,0)-#2().*,#22#,)5.AC
Standard Aqua-Mex:
1. Fit the two wall mounting brackets.
Each bracket has 2 holes Ø6, c/c 91 mm. Note the c/c distance
between the brackets for each model, see the dimension
diagram.
2. Place the heat exchanger in the brackets.
3. Connect the secondary circuit (the pool water).
4. Screw the brackets together.
After this, the pool’s circulation system can be started up.
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6. Check that the connections do not leak.
7. Bleed the primary circuit.
Check valve
Aqua-Mex
Circulation
pump
Copyright © 2009 Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
C
AB
AB
N
N
L1
L1
1~230V AC
J5:
FLOW
J2:
AC IN
J6:
PUMP
J3:
TEMP
L1
L1
N
Switch panel
N
+45
Aqua-Mex heat exchanger
ENGLISH 4
Installation instruction
MA40-12E
2011
8,&0,%$9(4*(,#!(+0),(,%2! (only for Aqua-Mex FE)
1. Check that all connections are properly tightened.
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3. Set the highest power output on the Aqua-Mex FE circulation pump (by turning the handle to position III),
( *&&(9/"0&(YC(
4. Start the secondary pump (pool water circulation pump).
5. Start the unit by pressing the on/off button (C).
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7. Circulation starts after 15 seconds.
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9. Select the power setting on the circulation pump to suit heating
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(Setting I is the lowest and III is the highest output.)
Electrical installation (only for Aqua-Mex FE)
Electrical installation shall always be carried out by
an authorized electrician.
The Aqua-Mex FE shall be installed with a protective
ground and an earth fault relay. However, the pump in
the Aqua-Mex FE does not require any external
automatic circuit breaker for the motor protection.
The electrical cable must be installed such that it
under no circumstances gets into contact with the
piping and/or the pump and motor housing.
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(only for Aqua-Mex FE)
The fully equipped Aqua-Mex FE can easily adjust
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installation.
Aqua-Mex FE is supplied in version A.
If version B is required, follow steps 1-7 below:
1. Undo the screws 7. Fasten the
of the cover. screws on
the cover.
]5.&X
2. Undo the screws 6. Screw the
of the brackets bracket into
place.
3. Lift the bracket with
the control box.
4. Rotate the bracket, 5. Rotate it a total
make sure the cables run free. of half a turn.
Copyright © 2009 Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
A ( 1 : 1 )
A
Aqua-Mex heat exchanger
ENGLISH 5
Installation instruction
MA40-12E
2011
Temperature setting (only for Aqua-Mex FE)
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2. Change the temperature up or down using the arrow keys until you get the required setting for pool temperature.
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Operation (only for Aqua-Mex FE)
In order for the heater to work, the pool water must circulate.
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The display shows the current pool water temperature.
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In the event of a power failure, the set temperature will be retained in memory.
In order to achieve the highest power output, the circulation pump is set at its highest power
setting.
In order to minimize energy consumption at times of lower heating requirement, for instance for
minimal heat maintenance, follow these recommendations: Aqua-Mex FE 40kW - setting I
Aqua-Mex FE 70kW - setting II
Operation
If pool circulation ceases or is switched off, the circulation pump on the primary circuit must
also be switched off.
If there is a risk of sub-zero temperatures or if the pool is shut for the winter or for longer than
one month, the heat exchanger must be drained of all water.
On the underside of the heat exchanger there are two drainage plugs for the secondary water circuit.
Note that during storage, the pump for the Aqua-Mex FE should not be exposed to temperatures beyond -10ºC to +50 ºC.
If there is any air in the pump housing, the pump will not function optimally.
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Follow the recommendations below for pool water:
Chlorine content: max 3 mg/l (ppm)
pH rating: 7.2-7.8
Alkalinity: 60-120 mg/l (ppm)
Chloride (salt) content: max 150 mg/l (0.015%) g stainless acid-proof steel version
above 150 mg/l (0.015%) g for the titanium version
Calcium hardness: 200-1000 mg/l (ppm)
Bleeding of the system via the valve in the primary circuit.
1. Make sure the circulation pump is operating (power setting III).
2. Open the bleed valve slowly (watch out for hot water).
Bleeding of the circulation pump (only for Aqua-Mex FE)
1. Switch off the pump. Do not touch it – risk of burn injuries.
2. Shut off the pipe in the pressure circuit.
3. Slowly open the air screw with a screwdriver (watch out for hot water).
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4. Carefully press back the pump shaft several times with the screwdriver.
5. Protect all electrical components from any water that emerges.
6. Start the pump. WARNING – owing to operating pressure the pump
may be blocked when the air screw is open.
7. After 15-30 seconds, tighten the air screw.
8. Open the shut-off valve in the pressure circuit.
Shutting off (only for Aqua-Mex FE)
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?#*+().(,+&(8)*E2#B(>50(#35",(O(*&-5.8*:(#>,&0(4+)-+(#(*F#22(85,(4)22(2)/+,("E
to indicate that the unit still has a current supply.
Figure 10.
Figure 9. Power setting selector
Copyright © 2009 Pahlén AB, Box 728, SE-194 27 Upplands Väsby, Sweden
Aqua-Mex heat exchanger
ENGLISH 6
Installation instruction
MA40-12E
2011
Troubleshooting
Fault Cause - action
Heat exchanger pump
does not start
(only for Aqua-Mex FE)
Check the fuses in the electrical control box.
Check the voltage (see data on the rating plate).
Check that the Aqua-Mex FE is being supplied with current (a dot is showing in the display).
Check that the Aqua-Mex FE is switched on (on/off button).
M+&-U(,+&(*&-5.8#0B(-)0-"),T*(?54C(=+&(?54(*4),-+(-",*(5",(4+&.(*&-5.8#0B(-)0-"),(?54()*(2&**(
than 90 litres/min.
Set a higher temperature.
Check that the motor is not blocked by built-up deposits. Undo the air screw entirely and check the
rotor’s free movement with a screwdriver.
Noise in the pump M#1),#,)5.(.5)*&(54)./(,5(254(*,#,)-().?54(E0&**"0&C(D.-0&#*&(,+&(E0&**"0&()>(E5**)32&:(5,+&04)*&(
select a higher power output setting on the circulation pump (only for Aqua-Mex FE).
D.*">9-)&.,(+&#,)./( Air in the system – the system/circulation pump needs to be bled.
Select a higher power output setting on the circulation pump (only for Aqua-Mex FE).
D.*">9-)&.,(*&-5.8#0B(-)0-"),(?54:(*&&(,+&(,#32&(&.,),2&8(S^&0>50F#.-&AC(
Temperature of the primary circuit’s water not high enough – check the heating source, insulate
the primary piping more effectively.
Check that the heat exchanger is installed such that the primary and secondary circuits operate in
opposite directions.
Flow noise Lower the speed by turning down the circulation pump to a lower gear (only for Aqua-Mex FE).
Error codes
<H(a(?54(*4),-+:(-)0-"2#,)5.(E"FE(
E2 = pool temperature sensor
HI = pool temperature above +45ºC
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Table of contents
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