DOMUSA TEKNIK SANIT S 100 User manual

INSTALLATION AND OPERATING INSTRUCTIONS
SANIT S 100 - 300
SANIT SE 100 300
SANIT DC 100 250
SANIT DCE 100 - 250
SANIT HE 150 - 300
SANIT HE 150 - 300 DS

Thank you for choosing a DOMUSA TEKNIK product. From the range of
DOMUSA TEKNIK products you have chosen the Sanit model, a stainless
steel hot water tank for producing domestic hot water (DHW), which
togetherwithaDOMUSATEKNIKheating boilerwill provide theideal level
of comfort for your home.
This manual form an essential part of the product and it must be given to
theuser.Readthewarningsandrecommendationsinthemanualcarefully,
asthey containimportantinformationonthesafety,use andmaintenance
of the installation.
These hot water tanks are to be installed by skilled personnel only, in
instructions.
The start-up of these hot water tanks and any maintenance operations
must only be carried out by DOMUSA TEKNIK
Assistance Services.
Incorrect installation of these hot water tanks could result in damage to
people, animals or property, and the manufacturer will hold no liability in
such cases.

1
CONTENTS Pág.
1 SAFETY COMPONENTS.....................................................................................................................................................................2
1.1FROSTPRECAUTIONS.....................................................................................................................................................................................................2
1.2WATERCHARACTERISTICS.............................................................................................................................................................................................2
2 LIST OF COMPONENTS.....................................................................................................................................................................3
3 CONTROLCOMPONENTS (ONLY SANIT SEAND SANIT DCE).............................................................................................7
4 INSTALLATION INSTRUCTIONS......................................................................................................................................................8
4.1HYDRAULIC INSTALLATION............................................................................................................................................................................................8
4.2SANITSE,SANIT S,SANIT HEAND SANITHEDSINSTALLATION .............................................................................................................................8
4.3SANITDCEINSTALLATION............................................................................................................................................................................................9
4.4LOCATION.....................................................................................................................................................................................................................11
4.5EQUIPMENT/OPTIONS................................................................................................................................................................................................11
4.5.1 Cathodic protection.........................................................................................................................................................................................11
4.5.2 S 200 and Sanit S hydraulic kits ...................................................................................................................................................................11
4.5.3 Electrical element (Sanit S and Sanit SE)..................................................................................................................................................12
4.5.4 Electrical element kit (Sanit DCE and Sanit DC in horizontal or wall position) .........................................................................12
4.5.5 Electrical element kit (Sanit DCE and Sanit DC in floor position)...................................................................................................12
5 OPERATION (ONLY FOR SANIT SE AND SANIT DCE)............................................................................................................13
6 DIAGRAM ANDELECTRICAL CONNECTION (ONLY FOR SANIT SE AND SANIT DCE)................................................13
6.1ELECTRICALDIAGRAM..................................................................................................................................................................................................13
6.2ELECTRICAL CONNECTION TO THE BOILER..................................................................................................................................................................14
6.3DIAGRAMS FOR CONNECTION TO DOMUSATEKNIKBOILERS:.............................................................................................................................14
6.4INSTRUCTIONSFOR ELECTRICAL CONNECTION OF THE SANITSTORAGE HEATER TO THE FOLLOWINGBOILERS:..................................................15
7 DRAINING THE TANK.......................................................................................................................................................................16
8 MAINTENANCE..................................................................................................................................................................................17
9 START-UP............................................................................................................................................................................................17
10 DELIVERY OFTHE INSTALLATION............................................................................................................................................17
11 SPARES LIST.....................................................................................................................................................................................18
11.1HOTWATER TANK......................................................................................................................................................................................................18
11.2PLUGS AND EMBELLISHER.........................................................................................................................................................................................21
11.3ELECTRICAL BOARD (SANITSEAND SANIT DCE)...................................................................................................................................................22
12 DIAGRAMS AND MEASUREMENTS..........................................................................................................................................23
13 TECHNICAL CHARACTERISTICS.................................................................................................................................................26

Sanit
2
1SAFETYCOMPONENTS
Sanit tanks must be installed by qualified staff in compliance with applicable regulations.
Any work must be carried out by the official Technical Assistance Service, as any changes to its
configuration could cause functioning errors and could damage the system and its surrounding
environment.
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 supervisionor instruction concerninguse ifthe appliance ina safe wayand understandthe
hazards involve. Children shall not play with the appliance. Cleaning and user maintenance shall
not be made by children without supervision.
The electrical main power supply connection must respect the current legislation, making
possible a complete disconnection of the tank, in order to make any maintenance operation
safely. Look "Electrical connection" chapter.
1.1 Frost precautions
When there is danger of frost, and particularly in areas with very low temperatures, precautions
willneedtobetakentopreventdamagetotheinstallation.Itisrecommendabletoaddanti-freeze
tothewaterintheprimarycircuitofthetank.Theanti-freezeusedmustbecompatiblewithpublic
health regulations and it must not be toxic. DOMUSA TEKNIK recommends the use of propylene
glycol, consulting the product manufacturer before use.
If the installation is to be out of use for a long period, drain all the water from the tank.
1.2 Water characteristics
The water must comply with the characteristics defined in the Technical Building Code, and must
be treated if necessary.
The water must be in accordance with Directive 98/83 / EC on the quality of water intended for
human consumption. Special attention must be paid to the following parameters:
- Maximum chloride concentration: 250 mg / l.
- Maximum sulphate concentration: 250 mg / l.
- Maximum concentration of chlorides and sulphates: 300 mg / l.
- Maximum conductivity: 800 µS / l.
WhenthechlorineconcentrationintheDomesticWaterexceeds250mg/dm3,itisrecommended
that anti-corrosion protection should be applied to the inside of the inter-accumulator so as to
avoid its premature deterioration. As an option DOMUSA TEKNIK supplies electronic cathodic
protection that is suitable for the Sanit inter-accumulator range. To install it, read carefully the
assembly instructions that areprovided with the same.

3
2LISTOF COMPONENTS
SanitS /SE
100 150 to 300
SS
R
3
2
1
ES
SP
EP
C
EP
C
SP
ES
1. Front cover (only Sanit SE).
2. Bridge cover.
3. Control panel (only Sanit SE).
SP: Primary outlet.
EP: Primary inlet.
ES: Domestic cold-water inlet.
SS: Domestic hot water outlet.
R: Resistance socket.
C: Recirculation socket.

Sanit
4
Sanit DCE/DC
SS
ES
EP
SP
TP
3
2
1
TP
1. Front cover.
2. Bridge cover.
3. Control panel.
SP: Primary outlet.
EP: Primary inlet.
ES: Domestic cold-water inlet.
SS: Domestic hot water outlet.
TP: Drain valvesocket.

5
SanitHE
150 200 -300
SS
R
2
C
EP
SP
ES
C
ES
SP
EP
2. Bridge cover. SP: Primary outlet.
EP: Primary inlet.
ES: Domestic cold-water inlet.
SS: Domestic hot water outlet.
R: Resistance socket.
C: Recirculation socket.

Sanit
6
SanitHEDS
ES
SS
EP1
SP1
C
2
EP2
SP2
2. Bridge cover. SP1: Main primary outlet.
EP1: Main primary inlet.
SP2: Auxiliary primary outlet.
EP2: Auxiliary primary inlet.
ES: Domestic cold-water inlet.
SS: Domestic hot water outlet.
C: Recirculation socket.

7
3CONTROLCOMPONENTS (ONLYSANITSE ANDSANIT DCE)
1
3
2
1. Adjustment thermostat:
This control is for adjusting the desired
temperatureof thehot waterstoredin thetank.
2. Element switch:
This is for starting up and stopping the optional
back-up element of the hot water tank.
3. Thermometer:
This indicates the temperature of the hot
waterstored in the tank.

Sanit
8
4INSTALLATION INSTRUCTIONS
4.1 Hydraulic installation
TheDHWcircuitoftheaccumulatoris preparedforpermanentconnectiontothemainswatersupply
through the cold- imum pressures are indicated.
The hydraulic installation must be made by qualified technicians, in compliance with current
installation regulations and taking the following recommendations into account:
- Thesecondary circuit(or domesticwater circuit)is to beequippedwith a safetyvalve,calibrated
to a maximum of 7 bar.
- The safety valve outlet must always lead to a drain.
- To avoid continuous leaking from the D.H.W. safety valve, we recommend the installation of a
D.H.W. expansion cell.
- The primary circuit (or heating circuit) for the double chamber tanks must be provided with a
safety valve, calibrated to a maximum of 3 bar.
- After installing the tank, firstly fill and pressurise the secondary circuit (domestic water circuit).
-Afterdoingso,proceedtofilltheprimarycircuit.Ensurethesecondarycircuitisfullbeforefilling
the primary circuit.
- Place dielectric sleeves on the secondary circuit connections.
- If the cold-water pressure is higher than the pressure the appliance is designed for, a pressure
reducer should be installed, calibrated to no higher than the design pressure.
- To prevent heat loss through the hot water pipes in accumulation systems, an anti-thermal
siphon must be installed at the hot water tank outlet. The hot water pipe must be insulated (at
least up to the anti-thermal siphon).
- A copper return circuit should not be used.
To drain the hot water tank, first drain the primary circuit and then the secondary circuit.
4.2 Sanit SE, Sanit S, Sanit HE and Sanit HE DS installation
The design of the hot water tank enables it to be installedin three different positions. In the case of
the Sanit SE, Sanit S, Sanit HE and Sanit HE DS lines, the accumulator will be installed on the floor, in
the vertical position. Th
.

9
4.3 Sanit DCE installation
The design of the hot water tank enables it to be installedin three different positions. In the case of
the Sanit DCE range, the installation of the tank will be made on the wall, either horizontally or in a
wall position (vertical - inverted), with thesockets facing downwards. ow,and
a larger hot water tank should therefore be acquired in such cases.
Horizontal installation
For horizontal installation, the hot water tank is equipped with two fixing elements for anchoring it
to the wall. In this case, the secondary circuit inlet and outlet sockets are different from those of the
vertical installation, and this must be taken into account when making the hydraulic connection.
The screws for wall-mounting the appliance are not included, as the type of screws to be used vary
depending on the particular wall.
A drain valve should be fitted to the socket TP1 to evacuate any air remaining at the top of the hot
water tank.
To drain the primary circuit, and for optimum hot water tank performance, the tank should be
positioned as shown in the figure above. At the same time, insert the thermostat and thermometer
sensor in the bulb-holder sheath, pushing it down as far as it will go.
The horizontal drain valve is eliminated in this
type of installation, and so the secondary circuit
cannot be drained.

Sanit
10
Wall and floor installation:
PM
TP2
SS
ES
SP
EP
TP1
PM
SS
ES
TP1
TP2
S
If the installation is made with the hot water tank standing on the floor, the drain valve DV could be
be used, and the rest of the sockets will be as shown.
IMPORTANT:It isessentialtoleaveenough spaceabove theaccumulator,inordertomanipulatethe
elliptical cover.
For the wall installation, position the hot water tank against the wall with the sockets facing
downwards. The inlet and outlet sockets of the secondary circuit will be as indicated in the previous
figure, and the drain valve socket TP2 must be used. As in the case of the horizontal installation, the
hot water tank has two fixings elements for anchoring it to the wall.
IMPORTANT: To unscrew the cap of the TP2 socket, we recommend using a socket wrench.
In this case, the insertion depth ofthe thermostat and thermometer sensor will need to bereduced, as
itisoriginallysuppliedforafloorinstallation.Thesensorinsertiondepthforeachmodelisshownbelow.
Sanit DCE/ DC 100
Sanit DCE/ DC 150
Sanit DCE/ DC 200
Sanit DCE/ DC250
Insertiondepth
215mm
315mm
415mm
515mm
440
440
Model
A
B
Sanit DCE/ DC100
420
170
Sanit DCE/ DC150
700
SanitDCE/DC 200
1000
Sanit DCE/ DC250
1000

11
4.4 Location
The hot watertank must notbe installed outdoors orin aplace where it maybe exposed toweather
inclemencies.
To optimise energy use, the hot water tank should be installed as close as possible to the hot water
generator.
When choosing alocation, taken into account the weightof thefull hot watertank, and make sure it
is protected against frost. The pipes should be lagged in compliance with heating regulations.
For wall-mounted and horizontal installations, ensure the type of wall towhich the hot water tank is
fixed can withstand the weight of the tank when full, and choose the most suitable fixing system
depending on the wall in question.
4.5 Equipment / options
Although Sanit units are equipped with all the necessary components for functioning, DOMUSA
TEKNIK offers several optional components for cases in which specialfeatures are required.
4.5.1 Cathodic protection
If the chloride concentration in the domestic
hot water is higher than 250 mg/cm3, we
recommend installing a cathodic protection
inside the storage heater to avoid premature
weartothehotwatertank.DOMUSATEKNIK
optionally supplies a suitable electronic
cathodic protection for its range of storage
heaters. To install it, carefully read the
assembly instructions supplied with the
cathodic protection.
Figure1
4.5.2 S 200 and Sanit S hydraulic kits
Duetotheincreaseinthetemperatureof the
water stored in the hot water tank can cause
thepressureinthetanktoincrease.DOMUSA
TEKNIK therefore recommends fitting the
S 200 or Sanit S hydraulic kit consisting of
dielectricsleeves,aDHWexpansiontankand
asafetyunit,toprotectthehotwatertank.To
install it, carefully read the assembly
instructions supplied with the kit.
Figure2

Sanit
12
4.5.3 Electrical element (Sanit S and Sanit SE)
In the Sanit S and Sanit SE hot water tanks
have a socket for connecting an electrical
element. DOMUSA TEKNIK optionally
supplies three elements, of 1.5 kW, 2.5 kW
and3.5kW. Toinstallthem,carefullyreadthe
assembly instructions supplied with the
elements.
Figure3
4.5.4 Electrical element kit (Sanit DCE and
Sanit DC in horizontal or wall position)
In the Sanit DCE and Sanit DC hot water
tanks installed in horizontal or wall position,
the electrical element kit will be placed
replacingtheellipticalcover ofthe hotwater
tank. DOMUSA TEKNIK optionally supplies
threeelements,of1.5 kW,2.5kW and3.5kW.
To install them, carefully read the assembly
instructions supplied with the elements.
Figure4
4.5.5 Electrical element kit (Sanit DCE and
Sanit DC in floor position)
In the Sanit DCE and Sanit DC hot water
tanks installedin floor position,theelectrical
element kit will be placed replacing the
elliptical cover of the hot water tank.
DOMUSA TEKNIK optionally supplies three
elements, of 1.5 kW and 2.5 kW. To install
them, carefully read the assembly
instructions supplied with the elements.
Figure5
IMPORTANT: To place the resistance on the elliptical cover, it is essential to have a minimum height
above the top cover.
Sanit DCE/ DC100
Sanit DCE/ DC150
Sanit DCE/ DC200/250
Height min. from the top cover
450 mm
700 mm
950 mm

13
5OPERATION (ONLY FOR SANIT SE ANDSANIT DCE)
The Sanit range of hot water tanks is specially designed for use with a wide range of solar power
elements, heat pumps and boilers powered by any type of fuel.
If the tank is connected to a DOMUSA TEKNIK brand heating boiler, the boiler will be equipped with a
summer or winter position switch, which is used to choose between:
- Summer position ☼:in this position the boiler will only produce hot water as needed. The burner
and feed pump of the storage heater (summer pump) will be switched on until the hot water stored
reaches the temperature set on the hot water thermostat of the storage heater. When this
temperature is reached, the burner and the summer pump will switch off.
- Winter position :in this position the boiler will produce hot water as needed and will also cater
for the heating installation, giving priority to hot water production.
6DIAGRAM AND ELECTRICAL CONNECTION (ONLYFOR SANIT SE AND SANIT DCE)
Thespecialdesignofitselectricalconnectionsenablestheboiler/hotwatertankunittoprovideheating
and domestic hot water with automatic functioning, incorporating a hot water priority function to the
joint operation of the two appliances.
When installing the supply cable, take the hot water tank element into account. Different tanks may
have different elements, and a different cable diameter is recommended for each type:
Element
Cable diameter
1500W
1.5 mm2
2500W
2.5 mm2
3500W
4mm2
6.1 Electrical diagram
The electrical connection of Sanit tank must be made by qualified staff, and any modifications may
only be made by the official technical assistance service (230 V~ 50 Hz). Do not forget to make the
ground connection.
R: Support element, maximum 3500 W.
O/I: Support element switch.
TDHW:Domestic hot water thermostat.
5
4
3
2
1
R: Máx. 3.500 W
Orange
White
Red
Grey
Black
Blue
Brown
1
2
I/O
4
5
Black
Brown
TDHW tube for
connection to
boiler
TDHW
NC
NO
C
Blue
N
~220/230 V
Ph
7
2
1
6

Sanit
14
6.2 Electrical connection to the boiler
The electrical connection between Sanit hot water tanks and DOMUSA TEKNIK heating boilers is
made by simply connecting the tube shown in the electrical diagram, i.e. the TDHW tube.
Connect the tube to the side of the hot water tank as shown in the electrical diagram in section 6.1.
On the side of the boiler, connect the supply tube of the feed pump (1) mounted on the installation
totheterminalsbearingtheletters"BV"(SummerPump)accordingtotheelectricaldiagramforeach
model of boiler (see the boiler instructions manual). To connect the TDHW tube, first remove the
bridges from the boiler connector block and then connect the TDHW tube as shown in the figures
below, depending on the boiler model.
6.3 Diagrams for connection to DOMUSA TEKNIK boilers:
11
1
2
3
Black
Blue
Brown
TDHW tube for
connection to
boiler
SIRENACALHFD
12
13
14
15
Black
Blue
Brown
TDHW tube for
connection to
boiler
JAKA HFD

15
6.4 Instructions for electrical connection of the SANIT storage heater to the following boilers:
•Evolution EV HFC
•Evolution EV HAC •Sirena CalHe •Sirena CalHV e
The correct process for the electricalconnection of the SANIT hot water storage heater to these boilers
is as follows:
- Connect the hot water temperature sensor (supplied optionally) to the sensor connector block
J3 on the boiler (terminals 13 and 14). To do this, first remove the element (Ra) supplied with it
(see "Connection Diagram").
- Remove the thermostat bulb from the bulb-holder on the storage heater, and insert the
temperature sensor bulb in its place.
- Connect the storage heater feed pump to the boiler supply connector block J2 (terminals 6 and
7) (seethe "Connection Diagram")
For a correct hydraulic installation, carefully follow the assembly and connection instructions
supplied with the storage heater.
1
3
5
6
7
8
9
10
11
4
J1
J2
16
15
14
13
12
J3
J5
J4
N
F
bc7
BC
Q
Sc
TA
E20
Azul
Negro
Azul
Azul
2
220 V
J6
1
2
3
Ra
Rr
BV
Azul
M
Azul
RA
J3

Sanit
16
7DRAININGTHE TANK
To drain the tank, on the Sanit SE, Sanit S, Sanit HE and Sanit HE DS models, a hose must be connected
to the cold-water inlet.
Check that the hose is securely fastened to the socket. Next, the lower opening of the hose should be
placed in anearby floordrain, so thatthedrain isata lower level thanthatof the baseof the tank.Once
the water starts flowing, wait until the tank is completely empty.
In Sanit DCE and Sanit DC models, the tank cover must be removed, and a flexible hose must inserted
intoit.Theotherendofthehosemustbedirectedtowardsafloordrain,sothatitisatalowerlevelthan
thebaseoftheaccumulator.Next,aspirateslightlysothatthewaterbeginstoflowandwaitforthetank
to empty completely.

17
8MAINTENANCE
To keep the boiler/hot water tank unit in perfect working order, both appliances should by inspected
yearly by DOMUSA TEKNIK authorised technicians. In particular, the following are recommended:
- The inside of the hot water tank should be thoroughly cleaned once a year. The primary circuit
should be drained first, before draining the hot water tank.
- If the hot water tank includes electronic cathode protection, this should be inspected once a year
to ensure it is functioning correctly.
- The pressure of the primary installation must be kept between 1 and 1.5 bars.
- Make sure the safety valve and the drain valve are working correctly.
-Iftheinstallationhasbeenoutofuseforalongtime,checkthehotwatertankfeedpumpisworking
correctly.
It is recommended for the user to periodically check the pressure and temperature levels of the hot
water tank and the state of the valves, connections and accessories.
9START-UP
For the guarantee to be valid, the hot water tank must be started up by an Official DOMUSA TEKNIK
Technical AssistanceService. Before starting it up, the following must be ensured:
- The electrical connection of the hot water tank is correctly made.
- The installation is filled with water and the draining has been donecorrectly.
- The drain valveis working properly.
- The primary flow and return connections and the hot and cold water connections have been
correctly made.
- The thermostat has been properly adjusted and the electric cabling complies with regulations.
- There are no leaks from the splices and connections.
10 DELIVERYOF THEINSTALLATION
After the initial start-up of the appliance, the Technical Assistance Service will explain to the user how
the hot water tank works, making any observations they consider relevant.
It is the responsibility of the installer to explain to the user the functioning of any control devices
belonging to the installation and not supplied with the hot water tank.

Sanit
18
11 SPARES LIST
11.1 Hot water tank
SanitSand SanitSE
1
2
3
7
5
6
4
Pos
Code
Name
1
GELESAN007
Electrical board Sanit 100- 150 l (mod. SE)
GELESAN009
Electrical board Sanit 200- 250 l (mod. SE)
2
SCON001566
Elliptical plug Sanit S/ SE 100 l
SCON001568
Elliptical plug Sanit S/ SE 150 l
SCON001570
Elliptical plug Sanit S/ SE 200 l
SCON001571
Elliptical plug Sanit S/ SE 250 l
SCON001572
Elliptical plug Sanit S/ SE 300l
3
SPIN000006
Bridge
4
CTOR000080
M8 washer
5
CTOR000092
M8 nut
6
SOPE000025
Bridgecover