Regulus 17387 User manual

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Safety Kit
Safety Kit
EN
Installation and Operation Manual
Safety Kit for Hot Water Storage Tanks

Description
The safety kit is used to protect the hot water storage tank from exceeding the maximum working
pressure, to test the function of the check valve and to drain the DHW tank. The set contains all the
elements for pressure protection of the DHW tank prescribed by the valid EN 1488 standard, i.e.:
 ●safetyvalve,
 ●checkvalve,
 ●testvalvetoverifythefunctionofthecheckvalve,
 ●drainvalve,
 ●pressuregauge,
 ●shut-o󰀨valveatcoldwatersupplytotheHWstoragetank.
The safety valve protects the HW storage tank from exceeding the maximum working pressure. The
checkvalvepreventswaterfromowingbackintothewatermains.Theballvalveallowstotestthe
function of the check valve or to close the water supply and subsequently drain the tank via the drain
valve.Thesafetykitallowstheconnectionofanexpansionvessel-theinletG3/4“Mfortheconnection
of the expansion vessel is located opposite the inlet for the connection of the pressure gauge and is
plugged by a lid from the factory.
Installation
The safety kit installs on the cold water supply pipe upstream of the HW storage tank; if necessary, the
pressure gauge can be connected to the opposite inlet which will result in a mirror variant of the kit; no
shut-o󰀨valve,checkvalveorltershallbeinstalledbetweentheHWstoragetankandthesafetykit;it
isnecessarytoensurefreeowofuidfromthesafetyanddrainvalves.
Function Check
Turn the safety valve knob once a year to check its function. At least once a year, close the inlet
ball valve and open the valve designed to test the function of the check valve. The check valve
is OK if no uid under pressure is owing out of the test valve.
When checking the safety valve, checking the function of the check valve and when draining
the tank, very hot water may come out of the product - risk of scalding.
Workinguid drinking water
Max. working temperature 80 °C
Kit codes
Code Safety valve
set pressure
Safety
valve
thread*
Safety
valve seat
cross
section
Discharge
coefcient
Kit total
weight
Max.
output of
water
heater*
Max. volume
of water
heater*
Connecting size
17387 6 bar
G 1/2″ F-M 132.73 mm20,3 870 g 75 kW 200 l G 3/4″ F x G 3/4″ M
18272 7 bar
18288 8 bar
18274 10 bar
17696 6 bar
G 3/4″ F-M 226.98 mm20,3 1135 g 150 kW 1000 l G 1″ F x G 1″ M
18273 7 bar
18287 8 bar
18275 10 bar
* Following the EN 1488 standard.
Materials
Safety kit and ball valve housing brass CW617N
Check valve housing and cone POM Hostaform
Check valve spring AISI302
Gasket EPDM

Diagram of Safety Kit Connection to Hot Water Storage Tank
Description of Connection
KEY
1 – hot water storage tank
2 – heating system expansion vessel
3 – boiler (natural gas, electric...)
4 – pump station for DHW recirculation – CSE TVMIX ZV
5 – safety kit for HW storage tank
6 – DHW expansion vessel
SV – cold water
TV – hot water
CV – hot water recirculation
ÚT – central heating (heating system)
KK – ball valve
ZV – check valve
AOV – automatic air vent valve
PTR – pressure temperature relief valve
REDV – pressure reducing valve (optional)
VK – drain valve
SVE – expansion vessel service valve
PV-ÚT – safety valve for heating system
MFB – Magnet Filterball
drain
check valve
function check
positions of pressure
gauge and expansion
vessel can be swapped

©2022Wereservetherighttoerrors,changesandimprovementswithoutpriornotice.
REGULUS spol. s r.o.
E-mail:[email protected]
Web: www.regulus.eu
v1.1-03/2022
Dimensions of an assembled kit for a HW storage tank up to 200 l, G 3/4″ F/M
162
187
G 3/4 " F
G 1/2" F
G 3/4" M
bar
3
2
1
0
4
5
6
Dimensions of an assembled kit for a HW storage tank up to 1000 l, G 1″ F/M