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INSTALLATION

INSTALLATION

INSTALLATION

TORRENT STAINLESS OV

Boiler Size

The minimum total boiler power required is the 

sum of the power required for space heating 

which should be calculated in accordance with 

BS EN 12831 and/or the CIBSE guide and the 

power required for producing hot water which 

can be read from the table to the left.

The coil performance figures are based on a 

boiler flow temperature of 82°C and flow rate 

of 0.25 litres per second. The boiler needs to be 

able to modulate down to the 7°C temperature 

difference setting to maximise efficiency.

Please see page 18 for pipework configuration 

where  Torrent Stainless SP SOL is selected and 

both coils are to be used with a boiler.

Expansion Vessel For Sealed Heating System

The table opposite can be used for sizing the 

heating system expansion vessel. The water 

content of the Torrent Stainless primary heat 

exchanger is listed in specification tables on 

pages 4 and 5 and a figure of 4.5 l/kW of installed 

radiator capacity can be used for a preliminary 

assessment of the water content of the heating 

system.

The expansion vessel requirements shown in 

the table are based on a maximum boiler flow 

temperature of 93°C. The expansion vessel 

must be suitable to accommodate the change 

in volume of water in the heating system when 

heated from 10°C to 100°C, with a maximum 

operating temperature of 99°C.

Feed And Expansion Tank For Open Vented 

Heating System

The table opposite shows the recommended 

size and number of F & E tanks required for an 

open vented hot water only system, which can 

be supplied as an optional extra.

Expansion for the open vented heating systems 

connected to the store must be added to this 

figure. So, as a preliminary assessment of the 

water content of the attached open vented 

systems, a figure of 4.5 l/kW of radiator output 

can be used. For example, 20 kW radiator output 

would have a system volume of 90 litres, and 

potential expansion of this would be 3.6 litres, 

and 10 kW would be 45 litres total volume and 

1.8 litres for expansion.

Please refer to page 19 for further information 

regarding F&E tanks when using solid fuel input.

Allowance for domestic hot water for sizing the boiler 

Torrent Stainless model

Allowance for domestic hot water heating (kW)

Full divert mode

Flow share mode

150

0

2

180

0

3

210

0

4

250

0

5

350

0

7

Open vented heating systems

The open vented primary system is filled via the 

feed and expansion (F&E) tank fitted with the 

Torrent Stainless OV model and therefore it is 

important that the F&E tank is positioned at least 

250mm above the highest point in the system. 

Please check the F&E tank is big enough for the 

whole system expansion. Also ensure that the 

height of the F&E tank is sufficient to meet the 

manufacturer’s requirements for the minimum 

head required for the boiler and the system 

pump(s).

The Torrent Stainless OV models can be installed 

using both ‘Y’ Plan and ‘S’ Plan heating system 

controls. These models can also be installed 

without either 3-port or 2-port valves using 

a separate central heating pump as shown in 

diagrams on this page. In this case no bypass valve 

is required unless TRV’s are used on all radiators.

If the flow and return pipes between the boiler 

and the Torrent Stainless OV thermal store are 

dipped as illustrated in the schematic shown 

opposite, then the boiler selected must be 

suitable for a sealed heating system i.e. it must be 

fitted with an overheat thermostat. Automatic 

air vents should be fitted at appropriate places 

to vent the system and a pressure relief valve 

should also be fitted close to the boiler.

Any boiler can be used with the Torrent Stainless 

OV and the Torrent Stainless SOL provided the 

flow pipe from the boiler to the Torrent Stainless 

is continuously rising. The flow pipe between 

the boiler and the Torrent Stainless thermal 

store is part of the open vent and therefore it 

must not be fitted with any isolating valve, non-

return valve or any other component which can 

obstruct the flow.

The minimum size of flow and return pipe 

between the boiler and the Torrent Stainless 

should be 22mm copper or equivalent. In any 

case it should be sized to suit the installed boiler 

capacity, available pump head and the circuit 

resistance.

The water level must be set correctly by adjusting 

the ball valve in the F&E tank. The overflow/

warning pipe, should be no less than the 20mm 

internal diameter and have a continuous fall.

The overflow/warning pipe should be fitted to 

discharge clear of the building and be sited so 

that any overflow can be easily observed. The 

warning pipe should be installed in either high 

temperature uPVC or copper and should not 

have any other connections to it.

If the boiler does not incorporate an overheat 

thermostat, then one should be fitted to the store.

Sealed Heating System Expansion Vessel Requirements

Safety valve setting

3.0

Vessel charge 

pressure (bar)

0.5

1.0

1.5

Initial system charge 

pressure (bar)

0.5

1.0

1.5

2.0

1.0

1.5

2.0

1.5

2.0

Total System 

Volume (litres)

Expansion Vessel Volume (litres)

25

2.1

3.5

6.5

13.7

2.7

4.7

10.3

3.9

8.3

50

4.2

7.0

12.9

27.5

5.4

9.5

20.6

7.8

16.5

75

6.3

10.5

19.4

41.3

8.2

14.2

30.9

11.7

24.8

100

8.4

14.0

25.9

55.1

10.9

19.0

41.2

15.6

33.1

125

10.4

17.5

32.4

68.3

13.6

23.7

51.5

19.5

41.3

150

12.5

21.0

38.8

82.6

16.3

28.5

61.8

23.4

49.6

Thermal Store

Minimum Number of Feed and Expansion Tanks

(16 litre model inc. 10 litre expansion)

TST150, TST180, TST210

1

TST250, TST350

2

Expansion of all connected open vented systems must be added to the store 

expansion when choosing the size of the feed and expansion tank.

The weight of each tank when full is 27kg (not including pipework and valves).

2 Pump System

Max.

height

10m 

Min. 250mm 

2 Pump System With Dipped Boiler Flow and Return Pipe

Must comply

with boiler

manufacturer

instructions

Min. 250mm 

Coil Performance
Nominal volume

litres

150

180

210

250

350

(SP SOL) Primary coil only
Coil power at 7°C temp. 

difference

kW

3

4

6

6

7

Average power 

kW

9

13

15

16

18

Coil power at 47°C temp. 

difference

kW

23

26

33

32

36

Volume of water heated

litres

84

102

130

144

230

Recovery time 

min

22

18

22

20

28

(SP SOL) Combined coils coil
Coil power at 7°C temp. 

difference

[kW]

4

4

6

4

3

Average power 

[kW]

12

16

18

16

15

Coil power at 47°C temp. 

difference

[kW]

25

36

39

36

41

Volume of water heated

litres

150

180

210

250

350

Recovery time

[min]

25

28

30

34

42

coil cofiguration

series

parallel parallel parallel parallel

Содержание Torrent Stainless OV

Страница 1: ...WWW GLEDHILL NET ONE NAME EVERY SOLUTION TORRENT STAINLESS OPEN VENTED STAINLESS STEEL THERMAL STORE PROVIDING HEATING AND MAINS PRESSURE HOT WATER INSTRUCTION MANUAL DESIGN INSTALLATION SERVICING ...

Страница 2: ...0Vac 50Hz TheTorrent Stainless comes complete with plate heat exchanger This has a very small volume of water held within it therefore any minimal expansion will be accomodated in the supply pipe Handling Before Installation The Torrent Stainless must be handled with care and stored the correct way up in a dry place Any manual handling lifting operations will need to comply with the requirements o...

Страница 3: ...7 220 838 430 804 504 1365 n a 0 78 178 73 8 26 5 TST210OVSOL B 62 198 42 250 1494 550 285 n a n a 515 235 1015 537 220 1015 540 1071 611 1553 n a 1 27 208 83 7 26 5 TST250OVSOL C 74 236 47 295 1744 550 285 n a n a 515 235 1040 537 220 1040 540 1441 761 1803 n a 1 27 248 96 9 26 5 TST350OVSOL C 79 328 57 402 1765 630 285 n a n a 498 218 971 520 218 971 523 1446 676 1826 n a 1 27 345 129 9 26 5 Tor...

Страница 4: ...d Fuel ControlThermostat 22mm Dual Pocket 22 Hot water supply 22mm Compression 23 Mains cold water supply 22mm Comp Torrent Stainless SP SOL Available Components and Tappings 1 Open Vent 22mm Compression 2 Cold Feed F E tank 22mm Compression 3 Immersion Heater 1 3 4 Female 4 Solar Coil Flow 22mm Compression 5 Solar Coil Return 22mm Compression 6 Control Thermostat Pocket 22mm Dual Pocket 7 Control...

Страница 5: ...available when the local demand is at its maximum but the preferred range is between 2 and 3 0 bar If the incoming static mains pressure exceeds 5 0 bar at any point in the 24 hour cycle then a pressure limiting valve set at 3 0 bar should be fitted downstream of the stop tap where the cold supply enters the dwelling If a water meter is fitted in the service pipe it should have nominal rating to m...

Страница 6: ...d by the installer must be sized correctly to enabletheexpansionoftheentiresystemvolume Thiswillincludethecentralheating store solid fuel and boiler circuit volumes See page 12 for guidance sizing the feed and expansion tank Water Treatment In all Torrent Stainless models the primary i e non potable water is stored and the domestichotwaterisheatedinstantaneouslybymeansofheatexchangers Therefore tr...

Страница 7: ...thiscasenobypassvalve is required unlessTRV s are used on all radiators If the flow and return pipes between the boiler and the Torrent Stainless OV thermal store are dipped as illustrated in the schematic shown opposite then the boiler selected must be suitableforasealedheatingsystemi e itmustbe fitted with an overheat thermostat Automatic air vents should be fitted at appropriate places to vent ...

Страница 8: ... Stainless SP please refer to page 19 for further information Where a sealed primary coil is used the thermal store is a hot water only thermal store If too much heat is taken out of store then hot water performancewillbelimited Thehotwaterpriority should be protected by use of an appropriate thermostat Heating can be taken from the SP thermal store to provide auxilliary heating to towel radiators...

Страница 9: ... the store to provide shower or a bath to utilise the heat gained by the system from the previous day s solar energy input Alternatively showering or bathing in the evening will utilise the energy that has been stored during the day from the solar system Aswithanysystem hotwaterandspaceheatingshouldbeprogrammedaccording to house holder requirements However it is always good to remember that to gai...

Страница 10: ...re raises When the temperature is above pipe thermostat 1 set point the contacts close signalling the normally closed valve to move open Once it is fully open it signals the normally open valve to motor there by closing it The thermal store now receives heat from the solid fuel boiler via gravity circulation If control stat 2 set point is exceeded then the power to the normally closed valve is cut...

Страница 11: ...2 c c 230Vac 50HZ Mans supply L N Bottom store thermostat Top store Thermostat 2 Pole CO relay 230Vav coil NC NO NC NO L N Heat source Control supply C Common contact C Common C 1 Close on temperature rise NO normally open C 2 Close on temperature drop NC normally closed Figure 8 1 Example of twin thermostat control circuit wiring for thermal stores WA Specification for thermal stores 2010 Final v...

Страница 12: ...sensors S1 and S2 In this case the mechanical overheat thermostat S3 shown in this diagram is not required and the solar pump is wired straight to the solar controller NOTE As part of system setup and commissioning it is important that this boiler hold off pipe thermostat be adjusted to find the best setting for each individual installation Failure to do so will give under performance of either th...

Страница 13: ...which is wired directly to the solar controller same as sensors S1 and S2 In this case the mechanical overheat thermostat S3 shown in this diagram is not required and the solar pump is wired straight to the solar controller Normally Closed 2 Port Valve E N SL PL ML Pipe Thermostat 1 1 C 2 on off NOTE As part of system setup and commissioning it is important that this boiler hold off pipe thermosta...

Страница 14: ...rom over heating by stopping the solar Pump at pre set temperature limit S1 S2 S3 E N R1 N R1 N L 1 2 3 4 5 6 7 8 12 13 14 15 16 17 18 19 20 Solar controller N L E 1 2 3 Normally Closed 2 Port Valve E N SL PL ML Pipe Thermostat 1 1 C 2 on off NOTE As part of system setup and commissioning it is important that this boiler hold off pipe thermostat be adjusted to find the best setting for each indivi...

Страница 15: ...t the hot tap does not indicate that the TorrentStainlessisfull Checkthatthereiswaterinthefeedandexpansiontankbefore switching on the immersion heaters Dry firing the elements will cause premature failure which is not covered by our warranty Non Electric Torrent Stainless Models Opentheincomingstopvalveandfillthedomestichotwatersystem Foropenvented heating system fill the whole of the primary heat...

Страница 16: ...ling prior to switching the electricity supply to the PWM controller PCB If there is no water in these pipes then there may be significant wear on the PWM pump This can be confirmed by Checking the thermal store pipework servicing valves are open Looseningtheconnectionpointsonthethermalstorepipeworkinasystematic manner and checking for water presence Confirming that the feed and expansion tank has...

Страница 17: ...tion in this procedure is that the plumbing and water supply is working effectively If in doubt please confirm and refer to the end of this section for advice on specific components A multi meter a weir gauge and a thermometer will be required to confirm that all the components are working effectively The PWM controller PCB manufacturer suggests Fluke 87 TRUE RMS Multi meter as a suitable product ...

Страница 18: ...on Sensor required a power supply 5 VDC Open a HW tap and set to a flow rate Measure and record the frequency across terminals 1 and 12 Compare the frequency measured with chart flow rate determination The reading should make sense taking measurement conditions into consideration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 1 2 3 4 1 2 3 4 5 6 7 8 1 2 1 2 3 4 5 6 7 8 9 1 10 2 3 4 5 6 J18 J20 J19 J3 J7...

Страница 19: ...lure Pump restarts by itself after the fault has disappeared Under voltage U 160 V or Over voltage U 253 V Check voltage supply 195 V U 253 V Pump overheating temperature inside motor too high Check water and ambient temperature Over speed the pump rotor is driven by an external flow above the maximum allowed value Ensure that there is no other external flow other pump running on system Over curre...

Страница 20: ...upply Electrically safe Components short circuited Wiring as per circuit diagram Pump LED on N Check cable connec on secure and resistance in cable Pump running LED is damaged pump replacement op onal OK Y Resolve N Electronics damaged replace pump LED Blinks red Y Y Check for blockage in pipework or pump housing N LED con nues to Blink red a er power reset Y Motor or Electronics damaged replace p...

Страница 21: ...asier and should be in good health Persons below average build and strength may require more rest periods during the handling process Pregnant women should not carry out this operation Persons who are not in good health should seek medical advice prior to commencing any lifting or manual handling operation Residual risk Following the guidelines given above will reduce any risk to injury All person...

Страница 22: ...Page 42 Page 43 NOTES NOTES ...

Страница 23: ...se which are contained on the Invoice Forms and all Sales are now subject to these Conditions of Sale and Warranty terms only 2 PRICE Once an order or call off has been accepted the price will be held for three months but if delivery is extended beyond that period at the customer s request then we reserve the right to amend the price when necessary The company reviews its pricing annually to adjus...

Страница 24: ...o Comments Signature SERVICE 07 Date Engineer name Company name Telephone No Comments Signature SERVICE 09 Date Engineer name Company name Telephone No Comments Signature SERVICE 02 Date Engineer name Company name Telephone No Comments Signature SERVICE 04 Date Engineer name Company name Telephone No Comments Signature SERVICE 06 Date Engineer name Company name Telephone No Comments Signature SERV...

Страница 25: ...3 474412 OR WWW GLEDHILL SPARES NET Due to a programme of continuous improvement Gledhill Building Products reserve the right to modify products without prior notice It is advisable to check the product technical detail by using the latest design and installation manuals available from our technical support team or on our website It is an offence to copy or adapt this document without consent of t...

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