Nibe AHPS User guide

IHB EN 1911-1
531217
INSTALLER MANUAL
Accumulator tank
AHP S/ AHPS S/ AHPH S

41 Important information
4Safety information
5General
72 Delivery and handling
7Transport
7Assembly
7Supplied components
8Removing the covers
93 Accumulator tank design
114 Pipe connections
11General
12System diagram
13Dimensions and pipe connections
15Installation alternative
175 Electrical installation
17Sensors
186 Commissioning and adjusting
18Filling and venting
197 Service
19Service actions
208 Technical data
20Diagram
21Dimensions and setting-out coordinates
23Technical specifications
23Energy labelling
24Item register
27Contact information
3Table of ContentsAHP S/ AHPS S/ AHPH S
Table of Contents

Safety information
This manual describes installation and service proced-
ures for implementation by specialists.
The manual must be left with the customer.
This appliance can be used by children
aged from 8 years and above and persons
with reduced physical, sensory or mental
capabilities or lack of experience and
knowledge if they have been given super-
vision or instruction concerning use of the
appliance in a safe way and understand
the hazards involved. Children shall not
play with the appliance. Cleaning and user
maintenance shall not be made by children
without supervision.
Rights to make any design or technical
modifications are reserved.
©NIBE 2019.
SYMBOLS
NOTE
This symbol indicates danger to person or ma-
chine .
Caution
This symbol indicates important information
about what you should consider when installing
or servicing the installation.
TIP
This symbol indicates tips on how to facilitate
using the product.
MARKING
The CE mark is obligatory for most products sold in
the EU, regardless of where they are made.
CE
AHP S/ AHPS S/ AHPH SChapter 1 | Important information4
1 Important information

General
AHP S/ AHPS S/ AHPH S is designed and manufactured
according to good technical practice1in order to ensure
safe usage.
1Pressure Equipment Directive 2014/68/EU Article 4 point 3.
SERIAL NUMBER
The serial number can be found at the bottom right of
the front cover.
Caution
Always give the product's serial number when
reporting a fault.
RECOVERY
Leave the disposal of the packaging to the in-
staller who installed the product or to special
waste stations.
Do not dispose of used products with normal
household waste. It must be disposed of at a
special waste station or dealer who provides this type
of service.
Improper disposal of the product by the user results in
administrative penalties in accordance with current le-
gislation.
5Chapter 1 | Important informationAHP S/ AHPS S/ AHPH S

INSPECTION OF THE INSTALLATION
Current regulations require the heating installation to be inspected before it is commissioned. The inspection must
be carried out by a suitably qualified person.
DateSignatureNotesDescription
✔
Heat pump (page 16)
Shut off valves
Expansion vessel
Safety valve
Hot water (page 15)
Shut off valves
Mixing valve
Safety valve
Cold water (page 15)
Shut off valves
Non-return valve
Electricity (page 17)
Sensors
AHP S/ AHPS S/ AHPH SChapter 1 | Important information6

Transport
AHP S/ AHPS S/ AHPH S should be transported and
stored vertically in a dry place. However, the
AHP S/ AHPS S/ AHPH S may be carefully laid on its
back when being moved into a building.
R
0
R
0
Assembly
• The accumulator tank may only be installed vertically.
• The area where the AHP S/ AHPS S/ AHPH S is loc-
ated must be frost-proof and equipped with a floor
drain.
• Position AHP S/ AHPS S/ AHPH S on a firm base that
can take the weight, preferably on a concrete floor or
foundation. Use the accumulator tank's adjustable
feet to obtain a horizontal and stable set-up.
30 - 50 mm
30 - 50 mm
15 - 40 mm
20-55 mm
Supplied components
AHPS S300
2x straight connection Ø
22xG1
3x plug Ø 22
1x straight connection Ø
22xG¾
LOCATION
The kit of supplied items is placed on top of the product.
7Chapter 2 | Delivery and handlingAHP S/ AHPS S/ AHPH S
2 Delivery and handling

Removing the covers
FRONT COVER
UN
1. Disconnect the front cover at the top edge and pull
it straight out.
2. Lift the front cover upwards.
SIDE COVERS
UN
UN
UN
The side covers can be removed to facilitate the install-
ation.
1. Remove the screws from the upper and lower
edges.
2. Twist the cover slightly outward.
3. Move the hatch backwards and slightly to the side.
4. Pull the cover to one side.
5. Pull the hatch forwards.
AHP S/ AHPS S/ AHPH SChapter 2 | Delivery and handling8

AHPS300 AHPSS300
LEK
LEK
LEK
LEK
XL8 XL4 XL3 XL9 XL5
UA1
FR1
UA2
PF1
XL8 XL4 XL3 XL9
UA1
Sv PDB
UA2
Givarkabeldragning
Denna bild används för ?
PZ3
XL3XL4XL8 XL8XL13 XL14XL45 XL46 XL9XL45
UL
UA2
UA1
PZ1
XL19
UL
UA2
UA3
UA1
PZ1
XL19QM1
BT6
9Chapter 3 | Accumulator tank designAHP S/ AHPS S/ AHPH S
3 Accumulator tank design

AHPHS300
UA2
UA1
XL3XL4XL9XL46XL8PZ1
XL19
BT6
Pipe connections
Connection, cold waterXL3
Connection, hot waterXL4
Docking connection, supply line (from heat pump*)XL8
Docking connection, return line (to heat pump*)XL9
Connection, supply line (from solar heating system)XL13
Connection, return line (to solar heating system)XL14
Docking connection, return line high temperature
(to external heat source)
XL19
Docking connection, level 1XL45
Docking connection, level 2XL46
HVAC components
Drain valve, heating mediumQM1
Submerged tube for hot water sensor (BT7) (display)UA1
Submerged tube for hot water sensor (BT6) (control)UA2
Submerged tube for solar sensor (control)UA3
Electrical components
Hot water sensor (control)BT6
Miscellaneous
Rating platePZ1
Serial number platePZ3
Adjustable feetUL
*or another external heat source
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
AHP S/ AHPS S/ AHPH SChapter 3 | Accumulator tank design10

General
Pipe installation must be carried out in accordance with
current norms and directives.
The accumulator tank must be fitted with the requisite
valves, such as a safety valve, shut-off valve and non-
return valve. An overflow pipe should be routed from
the safety valve to an appropriate drain. The overflow
pipe must be the same size as the safety valve. Route
the overflow pipe from the safety valve, sloping along
its entire length, and ensure that it is frost-proof and
well supported. The mouth of the overflow pipe must
be visible and not placed close to electrical components.
Ensure that incoming water is clean. When using a
private well, it may be necessary to supplement with
an extra water filter.
If uncertain, contact a plumber alternatively see applic-
able standards.
MAXIMUM BOILER AND RADIATOR
VOLUMES
For installation in pressurised systems, the system must
be equipped with a pressure expansion vessel pre-
pressurised to 0.5 bar .
Internal volume in AHP S/ AHPS S/ AHPH S for calculat-
ing expansion vessel is 270 l. The expansion vessel's
volume must be at least 10% of the system's total
volume.
Example table:
Volume (l) expansion vesselTotal volume (l) (accumulator
tank and radiator system)
50500
70700
1001000
Caution
Expansion vessel not supplied with the
product.
The pre-pressure of the pressure expansion vessel must
be dimensioned according to the maximum height (H)
between the vessel and the highest positioned radiator.
A pre-pressure of 0.5 bar means a maximum permitted
height difference of 5 m.
If the pre-pressure in the pressure vessel is not high
enough, it can be increased by adding air via the valve
in the expansion vessel. The expansion vessel's pre-
pressure must be entered in the check list on page 6.
Any change in the pre-pressure affects the ability of the
expansion vessel to handle the expansion of the water.
11Chapter 4 | Pipe connectionsAHP S/ AHPS S/ AHPH S
4 Pipe connections

System diagram
AHP S300
XL19
XL8 XL45
AHPS S300
XL19
XL13
XL8
XL4
XL14
XL45
XL46 XL9
XL3
AHPH S300
XL9
XL4
XL3XL8
XL19
XL46
AHP S300
AHP S300 consists of a vessel with accumulated
volume. AHP S300 is connected to
AHPS S300 / AHPH S300.
AHPS S300
AHPS S300 consists of a vessel with a number of con-
nections, which makes it possible to dock the accumu-
lator tank to external units. By using the different levels
in the tank, heat can be extracted and supplied to the
tank in several different ways. For example, you can use
the volume between the bottom and the middle level
to extract solar heat to heat a pool. The heat between
level 2 and the top of the tank is then intended to pre-
heat the hot water for the heat pump.
AHPH S300
AHPH S300 consists of an accumulator tank with integ-
rated tap coil for hot water. AHPH S300 can be docked
to an external heat source, for example heat pump.
Connection, cold waterXL3
Connection, hot waterXL4
Docking connection, supply line (from heat pump*)XL8
Docking connection, return line (to heat pump*)XL9
Solar heat connection, supply line (from solar heating
system)
XL13
Solar heat connection, return line (to solar heating
system)
XL14
Docking connection, return line (to heat source)XL19
Docking connection, top of the tankXL45
Docking connection, middle of the tankXL46
*or another external heat source
AHP S/ AHPS S/ AHPH SChapter 4 | Pipe connections12

Dimensions and pipe
connections
AHP S300
600
561
600
442
1800
188
271
196
225
298298
289
600
561
600
442
1800
188
271
196
225
298298
289
XL8 XL19XL45
Connection AHP S300
ext.G25XL8Docking connection, supply line (from
heat pump*)
ext.G25XL19Docking connection, return line high
temperature
ext.G25XL45Docking connection, level 1
*or another external heat source
AHPS S300
1800
600
188
108
108
107
182
225
271
78
561
600
298298
289
442
59
55
42855
195
245
245
1800
600
188
108
108
107
182
225
271
78
561
600
298298
289
442
59
55
42855
195
245
245
XL45XL13 XL9
XL46 XL14
XL4 XL3XL8
XL19
QM1
Connection AHPS S300
ext.G20QM1Tapping valve
22mmXL3Cold water Ø
22mmXL4Hot water Ø
ext.G25XL8Docking connection, supply line (from
heat pump*)
ext.G25XL9Docking connection, return line (to heat
pump*)
22mmXL13Solar supply line Ø
22mmXL14Solar return line
ext.G25XL19Docking connection, return line high
temperature
22mmXL45Docking connection, level 1
22mmXL46Docking connection, level 2
*or another external heat source
13Chapter 4 | Pipe connectionsAHP S/ AHPS S/ AHPH S

AHPH S300
600
561
600
442
1800
188
275
193
243
229
185
55 428
78
59
55
298298
289
600
561
600
442
1800
188
275
193
243
229
185
55 428
78
59
55
298298
289
XL8 XL9XL46
XL4 XL3
XL19
Connection AHPH S300
22mmXL3Cold water Ø
22mmXL4Hot water Ø
ext.G25XL8Docking connection, supply line (from
heat pump*)
ext.G25XL9Docking connection, return line (to heat
pump*)
ext.G25XL19Docking connection, return line high
temperature
ext.G25XL46Docking connection, level 2
*or another external heat source
AHP S/ AHPS S/ AHPH SChapter 4 | Pipe connections14

Installation alternative
NOTE
This is the outline diagram. Actual installations
must be planned according to applicable
standards.
AHP S/ AHPS S/ AHPH S can be connected in several
different ways, some of which are shown here.
Further option information is available at nibe.eu and in
the respective assembly instructions for the heat
sources used.
SYMBOL KEY
MeaningSymbol
Venting valve
Shut-off valve
Mixing valve
Circulation pump
Expansion vessel
Pressure gauge
Level vessel
Control valve
Particle filter
Safety valve
Temperature sensor
Thermometer
T
Sun
Heat pump
Radiator system
Domestic hot water
CONNECTING COLD AND HOT WATER TO
THE HEAT PUMP
There must be a mixer valve if the temperature can ex-
ceed 60 °C.
AHPH S300AHPS S300
CONNECTING TWO TANKS
Extended volume for connecting several solar panels,
for example.
TO SOLAR HEATING
AHPS S300 can be docked to solar heating system.
15Chapter 4 | Pipe connectionsAHP S/ AHPS S/ AHPH S

AS A BUFFER VESSEL FOR HEATING
SYSTEM
AHP S300 can be docked as a buffer vessel for the
heating system, when the system volume is not suffi-
cient, or to reduce heat spikes.
TO GROUND SOURCE HEAT
PUMP/EXTERNAL HEAT SOURCE
AHPH S300 can be docked with another heat source,
for example NIBE F1145/1155.
TO PELLET BOILER
AHPS S300 and AHPH S300 can be docked with another
heat source, a pellet boiler for example.
AHP S/ AHPS S/ AHPH SChapter 4 | Pipe connections16

NOTE
Electrical installation and service must be car-
ried out under the supervision of a qualified
electrician. Electrical installation and wiring
must be carried out in accordance with the
stipulations in force.
Sensors
AHP S/ AHPS S/ AHPH S can be supplemented with up
to two hot water sensors. These are placed in the sub-
merged tube for hot water sensor (UA1) and (UA2).
AHPS S300 and AHPH S300 has sensor BT6 fitted in
submerged tube UA2 at the factory.
AHPS S300 can also be supplemented with a solar
sensor. This is placed in the submerged tube for solar
sensor (UA3).
Use the sensors provided with the heat pump (or other
heat source). When no heat sensors have been provided
these must be ordered from the manufacturer of the
heat source.
The figure shows AHPS S300.
UA2
UA3
UA1
BT6
17Chapter 5 | Electrical installationAHP S/ AHPS S/ AHPH S
5 Electrical installation

Filling and venting
FILLING THE HOT WATER COIL
(AHPS S300/AHPH S300)
1. Open a hot water tap in the house.
2. Fill the hot water coil through the cold water connec-
tion (XL3).
3. When the water that comes out of the hot water
tap it is no longer mixed with air, the hot water coil
is full and the tap can be closed.
FILLING THE SOLAR COIL (AHPS S300)
Fill the solar coil through the filling connection in the
solar panel unit.
There must be water in the solar coil and the vessel
before the solar panel unit is operated.
FILLING THE VESSEL
1. Open the externally mounted vent valve
(CP2-QM60).
2. Fill the vessel in AHPS S300 through the drain valve
(QM1).
3. When the water exiting the vent valve (CP2-QM60)
is not mixed with air, the vessel is full.
4. Close the vent valve (CP2-QM60).
5. AHP S300 filled indirectly when AHPS S300 is filled.
6. AHPH S300 is filled through connection XL9, when
water runs out of the XL8 connection, the reservoir
is full.
VENTING
For installations with several AHP S/ AHPS S/ AHPH S
it is important to vent the connection between the tanks.
1. Vent through the externally mounted vent valve
(CP2-QM 60) .
2. Keep topping up and venting until all air has been
removed and the pressure is correct.
AHP S300
XL8
AHPS S300
QM1
XL3
CP2-QM60
AHPH S300
XL3XL9XL8
AHP S/ AHPS S/ AHPH SChapter 6 | Commissioning and adjusting18
6 Commissioning and adjusting

Service actions
SAFETY VALVE
The hot water coil's externally mounted safety valve
sometimes releases a little water after hot water usage.
This is because the cold water, which enters the hot
water coil, expands when heated causing the pressure
to rise and the safety valve to open.
The function of the safety valve must be checked regu-
larly. Perform checks as follows:
1. Open the valve.
2. Check that water flows through the valve.
3. Close the valve.
TIP
The safety valve is not supplied with the accu-
mulator tank. Contact your installer if you are
unsure how one checks the valve.
EMPTYING
AHP S300 and AHPH S300: The vessel is drained via
docking connection (XL19).
AHPS S300: Empty the vessel via the drain valve (QM1).
AHP S300 and AHPS S300: The vessel is drained via
the drain valve (QM1) in AHPS S300, in those cases
AHP S300 and AHPS S300 are connected.
The hot water coil in AHPS S300 and AHPH S300 is
emptied through the siphon (with hose) in the cold water
connection (XL3).
Drain the solar coil in AHPS S300 through the siphon
(with hose) on the connection, return to solar heating
system (XL14).
AHP S300
XL19
AHPS S300
QM1
XL14 XL3
AHPH S300
XL3
XL19
19Chapter 7 | ServiceAHP S/ AHPS S/ AHPH S
7 Service

Diagram
HOT WATER CAPACITY
AHPS S300 / AHPH S300
0
050 100 150 200 250 300 350 400 450
2
4
6
8
10
12
14
Tappflöde
(liter/minut)
Volym varmvatten
(liter)
47˚C 55˚C50˚C
Varmvattenkapacitet AHPS
500
20
18
16
Tap flow
(litres/minute)
Volume, hot water
(litres)
NOTE
To achieve the stop temperatures in the dia-
gram above, the “target temp” charge method
must be selected in the heat pump’s control
system.
PRESSURE DROP DIAGRAM, SOLAR COIL
AHPS S300
0
0 340 480 730 980 1480
5
10
15
20
25
30
35
Tryckfall
(kPa)
Flöde
(l/h)
45
40
Pressure drop
(kPa)
Flow
(l/h)
Connection, supply line solar heating system (XL13) and
connection, return line solar heating system (XL14).
AHP S/ AHPS S/ AHPH SChapter 8 | Technical data20
8 Technical data