BUFFERS 105390-v2 Indirectly Heated Storage Water Tanks Instruction Manual

BUFFERS 105390-v2 Indirectly Heated Storage Water Tanks

Product Specifications

• Storage tanks with indirect heating and one heat exchanger: 8S 160Z | 9S 160 | 9S 200 | 12S 300 | 11S 400 15S 500 | 17S 300 | 17S 400 | 23S 500
• Buffers for domestic hot water: 200 | 300 | 400 | 500
• Storage tanks with indirect heating and two heat exchangers: 6/4 S2 160 | 7/5 S2 200 | 10/7 S2 300 | 11/5 S2 400 | 15/7 S2 500 2×4/2×9 S2 200 | 2×5/2×12 S2 300 | 2×6/2×13 S2 500

Product Usage Instructions

Mounting and Connection
Qualified technicians must perform all technical and electrical assembly works. Follow these steps:

1. Put part 1 on bolt 2 which is unscrewed from the pallet.
2. Put the washer 3 which is removed from the pallet.
3. Screw on the nuts 4 which are delivered with the appliances.

Connecting the System to the Main Water Supply Network
Connecting the water heater to the main water supply network should be fulfilled in compliance with a project created by an HVAC designer. The following elements are obligatory for installations:

• Inlet pipe.
• Main water tap.
• Pressure regulator. Set pressure should not be higher than 0.5 MPa.
• Non-return valve. Type should be defined by HVAC designer according to local and European laws, standards, and technical norms.

FAQ

1. Can I install the product myself?
   No, all technical and electrical assembly works should be performed by qualified technicians.

2. What pressure should be maintained in the mains for proper functioning of the device?
   The pressure in the mains should be set at not higher than 0.5 MPa to ensure the proper functioning of the device.

3. What happens if I connect the water heater without following the manufacturer’s guidelines?
   If the electrical heating element is not approved by the producer of the high capacity water heater, warranty conditions may not be followed, and the producer is not responsible for any abnormal work of the appliance.

INDIRECTLY HEATED STORAGE WATER TANKS 160 – 500 L

INSTRUCTION FOR USE AND MAINTENANCE
READ THE INSTRUCTION BEFORE INSTALLING DEVICE AND PUT IT INTO OPERATION!
KEEP CAREFULLY THIS DOCUMENT!

• STORAGE TANKS WITH INDIRECT HEATING AND ONE HEAT EXCHANGER:
  8S 160Z | 9S 160 | 9S 200 | 12S 300 | 11S 400 15S 500 | 17S 300 | 17S 400 | 23S 500

• BUFFERS FOR DOMESTIC HOT WATER:
  200 | 300 | 400 | 500

• STORAGE TANKS WITH INDIRECT HEATING AND TWO HEAT EXCHANGERS:
  6/4 S2 160 | 7/5 S2 200 | 10/7 S2 300 | 11/5 S2 400 | 15/7 S2 500 2×4/2×9 S2 200 | 2×5/2×12 S2 300 | 2×6/2×13 S2 500

Dear Clients,

• The instruction manual and the technical description are prepared in order to acquaint you with the product and the conditions of proper installation and usage. Read them carefully and follow them.
• The observance of the instructions contained herein is in the interest of the buyer and represents one of the warranty conditions, outlined in the warranty card. The non-observance of the instruction can be reason of losing warranty!
• This manual is an integral part of the appliance. It must be kept with care and must follow the appliance if the latter is transferred to another owner or user and/or to another installation.
• Read the instruction and tips very carefully. They will help you secure a safe installation, use and maintenance of your appliance.
• The installation is at the buyer’s expense and must be carried out by a professional technical person from the sector in accordance with instructions in the manual.

INTENDED USE

• The appliance is intended to supply domestic hot (potable) water to households equipped with a piping system working at pressure below 8 bar (0,8 MPa).
• The content of chlorides in the water should be below 250 mg / l, and its electrical conductivity to be in the range of 100 μS/cm to 2000 μS/cm. The heat exchangers must be installed to the closed heating systems with pressures up to 0,6 MPa (6 bar). Heat carier must be circulating water or a mixture thereof with propylene glycol and anticorrosion additives!
• The appliance is intended for work in closed, heated premises (above 4oC).

IMPORTANT! See section Warranty condition!

DESCRIPTION AND TECHNICAL DATA

• Depending on the storage tank model, it can has one or two built-in heat exchangers (serpentines). The connections to the appliance should be made following the marked outlets and inlets, described below: T – for temperature indicator (the indicator is included in the kit of the appliance). TS1, TS2, TS3 – for mounting temperature sensors (each heat exchanger can be controlled by temperature). If the storage tank is equipped with one heat exchanger there will be only one outlet “TS1” available. EE (HE) – for electrical heating element – positioned in the middle of the appliance. Follow the technical data for choosing the proper power of the heating element.
• FLANGE /near the bottom/ for servicing and cleaning – it can be used for mounting an electrical heating element too. R – for hot water recirculation systems. The technical data are given in Table 1. The dimensions and description of the connections are given in Table 2 and Table 3, respectively.
• ATTENTION: The electrical heating element should be approved from the producer of the high capacity water heater. Otherwise the producer does not follow any warranty conditions and it is not responsible for any abnormal work of the appliance.

MOUNTING AND CONNECTION

ATTENTION! Qualified technicians must perform all technical and electrical assembly works.

INSTALLATION

• Storage tanks are delivered on an individual transport pallet. If the high capacity water heaters are used in premises with low humidity and flat floor you can leave the pallet as it is mount on the appliance, otherwise – please follow the described steps bellow (Fig. 7):
  • Put the appliance in horizontal position;
  • Unscrew the three bolts which hold the pallet to the water heater;
  • Mount the adjustable feet directly to the appliance;*
  • Put the storage tank in vertical position and adjust the level using the feet.
  • If the adjustment feet are delivered in separate parts you can assemble them as follow (Fig. 8):
  • put the part 1 on bolt 2 which is unscrewed from the pallet
  • put the washer 3 which is removed from the pallet
  • Screw on the nuts 4 which are delivered with the appliances
• ATTENTION! In order to prevent injury to user and/or third persons in the event of faults in the system for providing hot water, the appliance must be mounted in premises outfitted with floor hydro insulation (or) plumbing drainage.

CONNECTING THE SYSTEM
TO THE MAIN WATER SUPPLY NETWORK

IMPORTANT! Connecting the water heater to the main water supply network should be fulfilled in compliance with a project created by a hvac designer! A Presence of WRITTEN DOCUMENT for additional components is required for warranty recognition! Only qualified technicians must install this device!

• Compliance with the following standards and directives is mandatory:
  • Local legislation.
  • EN 806 – Specifications for installations inside buildings conveying water for human consumption.
  • EN 1717 – Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow
  • EN 12975 – Thermal solar systems and components – Solar collectors.
  • EN 12897 – Water supply – specification for indirectly heated unvented (closed) storage water heaters
• Compliance with the following standards and regulations is recommended too:
  • DIN 4753 1-3-6-8 – Water heaters, water heating installations and storage water heaters for drinking water.
  • DIN 1988 – Codes of practice for drinking water installations.
  • DIN 4708 – Central heat-water-installations.
  • DVGW
• Technical rule W 551 – Drinking water heating and drinking water piping systems – Technical measures to reduce Legionella growth – Design, construction, operation and rehabilitation of drinking water installations.
• Technical rule W 553 – Dimensioning of circulation-systems in central drinking water heating systems.
• Installation of the device with one heat exchanger should be done in accordance with Fig.11. Installation of the storage tank with two heat exchangers should be done in accordance with Fig.10. Models without heat exchangers – the same as for models with one or two heat exchangers. Parallel installation acc. to Fig.12.

OBLIGATORY elements of installations are:

1. Inlet pipe.

2. Main water tap.

3. Pressure regulator. When pressure in the mains is over 6 bars it is required. In this case, the set pressure is according to the calculations of the designer, but should be not higher than 0.5 MPa! When pressure in the mains is under 6 bar, its presence is strongly recommended. In all cases the presence of a pressure regulator set at 0.4 MPa is important for the proper functioning of your device!

4. Non-return valve. Its type should be defined by HVAC designer according to the local and European lows, standards and technical norms.

5. Safety valve. Use only safety valves inside supplied kit. For schemes different than 9, 10, 11 or 12, safety valve must be defined by HVAC designer and have to be in accordance with the local and European lows, standards and technical norms. (Pnr = 0.8 МРа; EN 1489:2000). Valve dimensions acc. to Table.4.
   IMPORTANT: Between the storage tank and safety valve there must not be any kind of stop valves or taps!
   IMPORTANT: The presence of other /old/ safety valves may lead to a breakdown of your appliance and they must be removed.

6. Safety valve drainage pipe. Must be implemented in accordance with the local and European lows, standards and technical norms. It must have sufficient slope for water runoff. Both ends should be open to the atmosphere and to be secured against frost. Take safety measures against burning when safety valve is open!. Fig.13 a, b, c.

7. Water heater drainage.

8. Drainage tap.

9. Hose.

10. Expansion vessel. In the storage tank there is no volume to accommodate the expansion of water due to its heating. The presence of the expansion vessel is obligatory in order not to lose water through the pressure relief valve! Its volume and type must be defined by HVAC designer and have to be in accordance with the system technical requirements, local and European lows, standards and technical norms. Its installation shall be carried out by a qualified technician in accordance with its operating instructions. Reference data on the volume of expansion vessel could be found in Table 5.

In order that you do not use the circulation outlet “R” and the outlets for the temperature sensors “TS1”, TS2” and “TS3” as well as the outlet for the heating element “EE” is necessary to put an end caps before filling the water heater with water.
For models without heat exchanger – outlet marked with “AV” is intended for connection of air vent device which allows removing the air from the water tank. For long-lived service, it is advisory always to remove completely the air from the tank!

• TO FILL UP THE STORAGE TANK is necessary to open the most distant tap, used for supplying hot water in the installation (of the mixing-faucet) and the tap (2) for supplying cold water near it. When the water heater is full, from the cold water tap will continuously run water.
• IN THE EVENT YOU MUST EMPTY THE STORAGE TANK, first you must cut off its power supplies if any. The inflow of water from the water mains must first be terminated (tap 2) and the most distant hot water tap of the mixing-faucet must be opened. Open the drainage tap (8) for full emptying of water tank!
• IMPORTANT! All of the above mentioned rules for tank connection to water mains are in relation of your safety! They comply with european and local regulations and are obligatory!
• Manufacturer assumes no responsibility for problems resulting from incorrect assembly of the unit to the water supply net and because of using components with unknown origin, not with compliance to the local and european standards!

CONNECTING THE SERPENTINES (HEAT EXCHANGERS) WITH HEATING INSTALLATION USING ALTERNATIVE AND RENEWABLE SOURCES
ATTENTION! Qualified P&P specialist and technicians must perform all assembly works for connection to the heat sources.

• The connection of the serpentines (heat exchangers) with the heating installation should be done considering the marked outlets and inlets as described below:
  • IS1 (MS) – Inlet of heat exchanger 1
  • OS1 (ES) – Outlet of heat exchanger 1
  • IS2 (M) – Inlet of heat exchanger 2
  • OS2 (E) – Outlet of heat exchanger 2
• Make sure that the system is empty of air. The presence of air may cost incorrect work of the boiler.
• Maximum temperature of the heat transfer fluid: 110°C. Maximum pressure of the heat transfer fluid: 0.6MPa!
• A safety valve ((11) – Fig. 10, 11, 12) inline coil heat exchanger have to be fit according to HVAC designer requirements but its adjustment must not be higher than Pnr = 0.6MPa. (EN 1489:2000)
• An expansion vessel according to HVAC Designer requirements must be installed!
• It is recommended an installation of non-return valve (4). By this way, when the external heat source is not working, your device will be preserved by thermosyphon fluid circulation and associated heat loss from the tank!

IMPORTANT! Manufacturer assumes no responsibility for problems resulting from incorrect assembly of the heat exchangers to the additional heat sources!

CONNECTING BUFFERS FOR DOMESTIC HOT WATER.

• EXAMPLES.
  The buffers for DHW are intended for domestic hot water accumulation with its subsequent usage when there is a peak in the consumption!
  As an example is shown Fig.14 for buffers.

• ATTENTION! Connecting buffers DHW to the main water supply is shown on Fig.14. Explanation could be found in p.III.b

PROTECTION AGAINST CORROSION – MAGNESIUM ANODE

• The magnesium anode protects the water tank’s inner surface from corrosion.
• The anode element is an element undergoing wear and is subject to periodic replacement.
• In view of the long-term and accident free use of your water heater, the manufacturer recommends periodic inspections of the magnesium anode’s condition by a qualified technician and replacement whenever required, and this could be performed during the appliance’s technical preventive maintenance. (once per two years). For replacements, please contact the authorized service stations!

OPERATING MODE

Before using the water heater make sure that the appliance is connected with the heating installation in correct way and is filled with water.

IMPORTANT RULES (WARANTY CONDITIONS)

IMPORTANT! Non observance of below described rules leads to warranty fault and the produser bear no more responsibilities for you appliance!

• The use of the appliance for any purpose other than that it is intended is prohibited. (p.І)
• Do not use the storage tank if it is not filled with water.
• The installation and maintenance must be carried out by a professional from the sector in accordance with manufacturer’s instructions. (p.III a b c d)
• The appliance must only be installed in premises with normal fire resistance.
• There should be a siphon connected to a plumbing drainage. The premises should be protected from freezing and the temperature should never be lower than 4oC.
• When connecting copper pipes to the inlets and outlets, use an intermediate dielectric connection. Otherwise there is a risk of contact corrosion that can occurs on the connection fittings!
• During use (water heating mode), the dripping of water from the safety return-valve’s drainage opening is normal. The same must be left open to the atmosphere.
• In order to secure the water heater’s safe operation, the safety return-valve must undergo regular cleaning and inspections for normal functioning /the valve must not be obstructed/, and for the regions with highly calcareous water it must be cleaned from the accumulated lime scale. This service is not provided under warranty maintenance.
• If the probability exists for the premise’s temperature to fall below 0°C, the storage tank must be drained via raising the safety return-valve’s lever. If upon turning the valve’s knob when the water tank is full, water do not start running from the valve’s drainage opening, this is a signal of malfunction and the appliance’s use must be discontinued.
• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
• Children should be supervised to ensure that they do not play with the appliance.
• It is necessary to maintenance the water heater regarding the described rules, to change duly the anode protector and to clean the limestone also after the warranty period. It is necessary to keep the rules for preventive maintenance, replacement of magnesium anode protector and cleaning even after guarantee period. (p.IV)
• IMPORTANT! Usage of this device at temperature and pressure level above prescribed leads to warranty violation!
• This device is intended for heating of potable water in liquid state. using different fluids in different states leads to warranty violation!
• Device’s heat exchangers are intended for use with circulating clean water and mixture of it and Propylene (Ethylene) GLYCOL at liquid state. The presence of anticorrosion additives is obligatory. Using different fluids in different states leads to warranty violation!

PERIODIC MAINTENANCE

• At normal use of the appliance, under the influence of high temperature, lime scale is deposited upon the heating element’s surface. The manufacturer recommends preventive maintenance of your appliance every two years by an authorized service center or service base. This protective maintenance must include cleaning and inspection of the anode protector, which shall be replace with a new one if need arises. Each preventive maintenance of the said type must be entered in the appliance’s warranty card and must outline date of performing the preventive maintenance, name of person and company performing the preventive maintenance, and signature.
• Sign a contract for service and inspection with an authorized repair specialist. It is recommended conducting maintenance once per year or two depending on water quality.
• THE MANUFACTURER DOES NOT BARE THE RESPONSIBILITY FOR ALL CONSEQUENCES CAUSED BY NOT OBEYING THE INSTRUCTIONS, GIVEN HEREBY.

INSTRUCTIONS FOR ENVIRONMENTAL PROTECTION

Old appliances contain valuable materials and because of this should not be disposed with other products. To protect the environment we kindly ask you to surrender them in approved centers only!

Тable 1 ТЕХНИЧЕСКИ ДАННИ / TECHNICAL DATA / DATE TEHNICE / ESPECIFICACIONES TÉCNICAS / ESPECIFICAÇÕES TÉCNICAS / TECHNISCHE DATEN / ТЕХНИЧЕСКИЕ ДАННЫЕ / ТЕХНІЧНІ ДАНІ / TEHNIČKE KARAKTERISTIKE / TEHNIČNI PODATKI / DONNEES TECHNIQUES / DANE TECHNICZNE

| Rated volume| Net Weight| Insulation PUR| Heat exchanger surface| Rated volume heat exchanger| Exchanged power of HE S1/S2in continuous Mood| Flow rate of DHW with| Heat exchanger performance| Reheat time| Quantity of hot water|

Standing heat loss / Class ErP

| Max. safety temperature water side| Max. safety temperature heating side| Max. design pressure of water side| Max. inlet pressure of mains water| Max. design pressure of heating side| Mandatory inlet pressure control with external expansion vessel!
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16
Type:| ltrs| kg| mm| m² –

(S1/S2)

| ltrs –

(S1/S2)

| kW 70-90°C/(60-80°C)/ [50-70°C]/{50-60°C}| l/min-ΔT35°C (S1/S2) 70-90°C/ (60-80°C)/[50-70°C]/{50-60°C}| kW (l/min) S1/S2(10-60°C)| Min – (S1/S2) (10-60°C)| l – MIX40°C (S1/S2)| kW/24h

(ΔT45K)

| °C| °C| MPa| MPa| MPa
2×6/2×13 S2 500| 483| 172|

50

| 1.55/3.45| 9.3/21| 51/105/(38/78)/ [26/53]/{20/40}| 21/43.2/(15.6/31.8)/ [10.8/21.9]/{8.3/16.4}| 31/(51) 20/(23)| 50/19| 750/474| 2.3/C|

95

|

110

|

0.8

|

0.6

|

0.6

2×5/2×12 S2 300| 283| 116| 1.00/2.45| 6/14.7| 32/74/(24/55)/ [17/38]/{13/28}| 13.3/30.4/(9.9/22.4)/ [6.9/15.4]/{5.2/11.6}| 23/(40) 20/(20)| 41/15| 450/282| 1.6/B
2×4/2×9 S2 200| 195| 85| 0.65/1.6| 4/9.5| 22/48/(16/35)/ [11/24]/{9/18}| 9/19.7/(6.7/14.5)/ [4.7/10]/{3.5/7.5}| 15/(32) 20/(20)| 39/12| 282/175| 1.4/B
15/7 S2 500| 497| 158| 2.25/1.04| 13.7/6.4| 86/39/(64/27)/[41/17]| 35/16/(26/11)/[17/7]| 23/17(30)| 56/27| 610/220| 2.3/C
11/5 S2 400| 400| 146| 1.65/0.76| 10/4.6| 61/30/(47/21)/[33/12]| 25/12/(19/9)/[14/5]| 23/12(27)| 45/34| 490/195| 2.2/C
10/7 S2 300| 294| 100| 1.21/0.85| 7.4/5.2| 45/32/(33/24)/[25/15]| 18/13/(14/10)/[10/6]| 17/13(24)| 44/20| 355/125| 1.6/B
7/5 S2 200| 200| 70| 0.75/0.54| 4.6/3.3| 29/19/(22/13)/[14/9]| 12/8/(9/5)/[6/4]| 11/8 (20)| 49/21| 255/82| 1.4/B
6/4 S2 160| 160| 66| 0.61/0.43| 3.6/2.6| 20/10/(14/7)/[10/5]| 8/4/(6/3)/[4/2]| 10/7| 30| 175| 1.2/B
2x23S 500| 475| 182| 6| 33| 186/(138)/[96]/{73}| 76.1/(56.5)/[39.3]/{30}| 72 (30)| 22| 750| 2.3/C
2x15S 300| 285| 112| 3| 18.3| 101/(75)/[52]/{40}| 41.3/(30.6)/[21.3]/{16.2}| 48 (23)| 19| 450| 1.6/B
2x12S 200| 196| 85| 2.1| 12.5| 69/(51)/[36]/{27}| 28.4/(21.1)/[14.6]/{11}| 30 (20)| 20| 282| 1.4/B
23S 500| 495| 152| 3.4| 23.3| 86/39/(64/27)[41/17]| 135/(100)/[62| 44(30)| 30| 628| 2.3/C
17S 400| 400| 128| 2.55| 15.5| 86/(64)/[41]| 98/(72)/[48]| 36(27)| 29| 498| 2.2/C
17S 300| 294| 102| 2.1| 12.6| 61/30/(47/21)/[33/12]| 79/(58)/[42]| 27(23)| 27| 348| 1.6/B
15S 500| 500| 145| 2.25| 13.7| 86/(64)/[41]/{20}| 35/(26)/[17]/{8}| 23/(30)| 56| 610| 2.3/C
11S 400| 400| 137| 1.65| 10| 61/(47)/[33]/{17}| 25/(19)/[14]/{7}| 23/(27)| 45| 490| 2.2/C
12S 300| 300| 92| 1.45| 8.8| 52/(39)/[29]/{24}| 21/(16)/[12]/{10}| 20/(24)| 38| 360| 1.6/B
9S 200| 200| 65| 0.96| 5.8| 39/(31)/[17]/{9}| 16/(13)/[7]/{4}| 14/(20)| 39| 260| 1.4/B
9S 160| 160| 54| 0.96| 5.8| 39/(31)/[17]/{9}| 16/(13)/[7]/{4}| 12/(17)| 31| 180| 1.2/B
8S 160Z| 157| 61| 0.73| 4.5| 39/(31)/[17]/{9}| 16/(13)/[7]/{4}| 25/(18)| 30| 180| 1.2/B
500| 500| 125| | –| –| –| –| –| –| 2.3/C
400| 400| 117| –| –| –| –| –| –| –| 2.2/C
300| 300| 66| –| –| –| –| –| –| –| 1.6/B
200| 200| 45| –| –| –| –| –| –| –| 1.1/B

Volume nominal

| OVERALL DIMENSIONS
---|---
| 2×6/2×13 S2 500| 2×5/2×12 S2 300| 2×4/2×9 S2 200| 2×12 S 200| 2×15 S 300| 2×23 S 500| 17

S 300

| 17

S 400

| 23

S 500

| 6/4

S2 160

| 7/5

S2 200

| 10/7

S2 300

| 11/5

S2 400

| 15/7

S2 500

| 9S

160

| 9S

200

| 12S

300

| 11S

400

| 15S

500

| 200| 300| 400| 500| 8S

160Z

| 8S

120Z

h| 1670| 1420| 1202| 1202| 1420| 1670| 1420| 1400| 1670| 1007| 1200| 1420| 1407| 1674| 1007| 1200| 1420| 1407| 1674| 1207| 1427| 1407| 1702| 1007| 1002
a| 1447| 1184| 996| 996| 1184| 1447| | | | 785| 993| 1207| 1156| 1448| 785| 993| 1207| 1156| 1448| 993| 1207| 1156| 1445| 214| 214
b| | | | | | | | | | 519| 628| 760| 813| 986| –| 714| 846| 813| 986| 714| 846| 813| 983| 296| 296
c| 642| 533| 483| 264| 278| 282| 371| 411| 405| 279| 314| 314| 331| 324| 314| 314| 314| 331| 324| 314| 314| 331| 321| 130| 130
d| 1447| 1184| 996| 996| 1184| 1447| 1184| 1168| 1447| 788| 993| 1207| 1156| 1448| 785| 993| 1207| 1156| 1448| 993| 1207| 1156| 1445| 170| 145
e| 1325| 1150| 966| | | | | | | 741| 886| 1104| 1073| 1330| | | | | | | | | | 25| 25
f| 1162| 1055| 817| | | | 953| 960| 1161| –| 746| 903| 943| 1165| 602| 771| 1010| 945| 1199| 771| 1010| 943| 1196| |
g| 706| 574| 519| | | | | | | 569| 671| 803| 858| 1029| | | | | | | | | | |
i| 572| 485| 434| | | | | | | 475| 585| 718| 775| 944| 671| 671| 804| 775| 944| | | | | |
j| 225| 205| 202| 792| 937| 1303| 1101| 1120| 1378| 204| 284| 288| 302| 299| 284| 284| 288| 302| 299| | | | | |
k| 225| 205| 202| 202| 205| 225| 205| 225| 225| 204| 199| 203| 220| 214| 200| 199| 203| 220| 214| 199| 203| 220| 211| |
l| 1262| 1055| 817| 897| 1055| 1162| 1055| 1059| 1161| | | | | | | | | | | | | | | |
m| 864| 726| –| 633| 691| 864| 691| 778| 680| –| 815| 996| 998| 1265| | | | | | | | | | |
n| 467| 398| 360| 360| 398| 467| 398| 448| 467| 349| 478| 610| 617| 750| 360| 564| 653| 617| 750| | | | | 296| 368
u| | | | | | | | | | | | | | | | | | | | | | | | 74| 74
R| 1823| 1560| 1345| 1345| 1560| 1823| 1560| 1590| 1833| 649| 1345| 1563| 1596| 1838| 1169| 1345| 1563| 1596| 1838| 1345| 1563| 1596| 1838| 1168| 1146
ØC| 750| 650| 600| 600| 650| 750| 650| 750| 750| 600| 600| 650| 750| 750| 600| 600| 650| 750| 750| 600| 650| 750| 750| 500| 450
ØD| 650| 550| 500| 500| 550| 650| 550| 650| 650| 500| 500| 550| 650| 650| 500| 500| 550| 650| 650| 500| 550| 650| 650| 600| 550
Table 2b
Recirculation| R0| G ¾”| G 1”B| G 1”B
Thermo pocket 1, 2, 3| TS 1,2,3| G ½”
Thermometer| T| Ø14
Thermo regulator| TR| G ½”| n.a.| n.a.
Inlet cold water| CW| G 1”| G 1”B| G 1”B
Inlet heat exchanger 1,2| IS 1, 2| G 1”| G¾B| G¾B
Outlet heat exchanger 1,2| OS 1, 2| G 1”| G¾B| G¾B
Outlet hot water| HW| G 1”| G 1”B| G 1”B
Protective anode 1| MA1| G1½”
Protective anode| MA2| G1½”| n.a.| G1½”| n.a.
Protective anode| MA0| “G¾ no replaceable”| n.a.| n.a.
 Drainage| D| 0n.a.| G¾B| G¾B
 Electric heating element| EE| G1½”|

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