Accelera® 300 Heat Pump Water Heater Installation Manual English
Contents
1. ENGLISH SPECIFICATION Model Accelera 500 COP t at 15 59 F air temperature 70 RH water heat up from 15 59 F to 60 C 140 F in accordance with EN 255 T3 240 V 60 Hz Standard automotive R 12 R 134A manifold gauge set can be used to test and fill refrigerant 30 3 18 The installation electrical connection and first operati on of this appliance should be carried out by a qualified installer The company does not accept liability for failure of any goods supplied which have not been installed and ope rated in accordance with the manufacturer s instructions Environment and recycling Please help us to protect the environment by disposing of the packaging in accordance with the national regulations for waste processing SPECIFICATION HEAT PUMP WATER HEATERS ALL Accelera Models LIMITED WARRANTY Subject to the terms and conditions set forth in this limited warranty Stiebel Eltron Inc the Manufacturer hereby warrants to the original purchaser the Owner that each Heat Pump Water Heater the Heater shall be free from defects in the Manufacturer s materials or workmanship for a period of 1 10 Years from the date of purchase for single family residential installations 2 1 Year from the date of purchase for all other installations 3 Excluded sacrificial or electronic anode As Owner s sole and exclusive remedy for the above warranty2. Licensed installers are specially trained in their field Licensed installers work on systems on the basis of their training knowledge and experience as well as their knowledge of applicable standards and regulations They are able on their own to recognize and prevent possible problems 8 3 2 Electrician licensed An electrician is a licensed installer who meets the above requirements with regard to electrical installations 8 3 3 Plumber licensed A plumber is a licensed installer who meets the above requirements with regard to water related installations 8 3 amp Customer service For customer service inquiries please contact Stiebel Eltron directly at 1 800 582 8423 ext 25 or ext 33 8 4 Instructions standards and regulations BA Follow all national state and local codes Observe the regulations of your local energy and water supply utilities The following standards were taken into account UL 499 UL 1995 UL 94 5 VA UL 174 IEC 60335 1 2 40 IEC 61000 3 2 1995 IEC 61000 3 3 IEC 55014 1 IEC 55014 2 EMC Directive 89 336 EEC EN 255 T3 Read the water heater type plate and the chapter Specification 8 5 Water installation The following materials may be used Cold water line steel copper or plastic pipework Hot water line copper or plastic pipework Ensure that no contamination reaches the water heater through the pipework 8 6 Electrical installation Protect the water heater elect
3. SAFETY 3 Safety This chapter provides an overview of all important actions required for a safe and trouble free operation 3 1 General safety instructions Operate the water heater only when fully installed and with all safety equipment in place Unsuitable tools or incorrect handling can result in damage to the water heater DANGER Scalding The water is heated inside the water tank to 60 C 140 F There is a risk of scalding at outlet temperatures above 43 C 109 F Ensure that outflowing water does not directly contact your body CAUTION Injury Where children or persons with limited physical sensory or mental capabilities are allowed to control this water heater ensure that this will only happen under supervision or after appropriate instruction by a person responsible for their safety Children should be supervised to ensure that they never play with the water heater Never place any objects on top of the water heater Objects placed on top of the water heater can increase the noise level developed by the water heater through vibrations Never cover the water heater The water heater draws in air Covering the inlet slots reduces the air intake This reduces the efficiency of the water heater and can even lead to one of the safety devices interrupting the water heater operation 3 2 Intended use This water heater produces hot water automatically The water heater can be installed and operate
4. 2 to 6 F asa result of the water heater operation When installing the water heater in a furnace room ensure that the furnace operation will not be impaired To keep line runs as short as possible we recommend that the water heater is installed near the kitchen or bathroom 11 2 Shipping inspection Upon receipt check your delivery for completeness and possible transport damage If transport damage is visible proceed as follows Do not accept the delivery or only with reservations Note down the extent of the damage on the shipping documents or on the delivery note of the carrier nitiate a complaint Immediately give notice of any damage Give notice of all damage as soon as it has been identified Claims can only be accepted within the applicable claim period 11 3 Handling ZAN CAUTION Injury through heavy loads Dry this water heater weighs 130 kg 290 Ib Use suitable aids and sufficient personnel when handling this water heater Risk of damage through incorrect handling Incorrect handling can result in substantial material losses Observe the information on the packaging Remove the packaging just before the installation Lii 15 ENGLISH INSTALLATION Risk of damage through overturning The water heater has a high centre of gravity and a low overturning moment Protect the water heater against overturning Only position the water heater on a level substrate Lii To pro
5. Refrigerant filling weight 32 oz 900 g Water heater height minimum 73 4 1865 mm Water heater height maximum 74 9 1903 mm Water heater diameter 26 660 mm Dimension when tilted incl packaging 87 6 2225 mm Dimension when tilted excl top packaging 84 7 2150 mm Dimension when tilted excl wooden pallet and top packaging 79 9 2030 mm Dimension when tilted excl packaging 78 4 1990 mm Weight dry tank 287 Ibs 130 kg Weight wet 950 Ibs 432 kg Water connection with adaptor Union to 3 4 Condensate drain 3 4 Condenser Rollbond safety heat exchanger Permissible operating pressure low cold side 87 psi 0 6 MPa Permissible positive pressure high hot side 348 psi 2 4 MPa Sound pressure level spl 55 2 dB A Maximum inlet water temperature 140 F 60 C Electrical details Power connection voltage frequency L1 L2 G 208 240 v 60 50 Hz Protection IP 24 Maximum power consumption Tamb 42 C 108 F Twater 60 C 140 F 240 V 2 2 kW Required circuit breaker size 15 A double pole breaker Rated power consumption heat pump 2 5A Rated power consumption HP in accordance with DIN 8947 at 15 59 F air temperature 70 RH and 45 C 113 F water temperature 0 5 kW Power consumption booster heater 1 690 kW Heating output HP at 15 59 F air temperature 70 RH water heat up from 15 C 59 F to 60 C 140 F in accordance with EN 255 T3 240 V 60 Hz approx 1 7 kW 29
6. bearing floor There is a risk of the water heater breaking through the floor if the substrate has insufficient load bearing capacity The wet weight of the water heater is approx 430kg 950 Ib If the floor offers inadequate load bearing capacity there is a risk of the water heater breaking through the floor resulting in a risk to life Risk of frost damage Install the water heater only in an area free from the risk of frost When the water heater is not in use and there is a risk of frost the water inside the water tank can freeze and damage the tank Lii Never install the water heater in areas where the air temperature regularly drops below 6 C 42 F or rises above 42 C 108 F To prevent nuisance through operating noise never install the water heater in the vicinity of bedrooms Prevent noise emissions towards a neighbor Allow adequate space around the water heater for installation maintenance and cleaning tasks With internal installations also observe the following The available floor area in the installation room must be at least 6 m 10 x 10 100 ft2 The room volume must not be less than 13 m 500 3 The water heater must not be restricted by walls and ceilings The required minimum clearances are specified in chapter Positioning the water heater positioning conditions see chapter 10 5 Positioning the water heater Observe that the room temperature will drop by 1 to 3 C
7. both sides of the dividing line nu iiti Ti 26_03_01_1396 Slightly tilt the water heater Push a wooden support underneath the lower part of the packaging Break out the free semi shell of the lower section of the packaging DANGER Injury from overturning Secure the water heater against overturning by getting a second person to support the water heater Keep the water heaters slightly tilted Wind out the free leveling foot but not by more than 30 mm 1 25 Turn the locking nut on the thread of the leveling foot towards the bottom cover When the locking nut Is tight against the bottom cover it stabilizes the leveling foot en a en 17 ENGLISH INSTALLATION Push two polystyrene installation aids with the step shaped corner underneath the water heater The water heater is subsequently set and tilted onto this profile Ensure that you do not set the water heater down in the area of the joint edge of the sheet steel jacket but at least 150mm 6 along en vi vl e m e Tilt the water heater that has been set down on the polystyrene installation aids Remove the remaining floor semi shell In the tilted state of the water heater wind out the second and third leveling foot but not by more than 30mm 1 1 In both cases tighten the locking nut against the
8. gt lt X x X X gt lt x X gt lt gt lt gt lt 280304 34684 280304 34684 5 Information label Relief valve 26 03 01 1357 Warning A temperature and pressure relief valve must be fitted to the clearly marked socket The valve drain outlet pipe must not be sealed or blocked and the valve easy gear is to be operated at least once every six month Observe the installation manual Tested for leaks Made in Germany 10 Information label Fluorated gases DE Enth lt vom Kyoto Protokoll erfasste fluorierte Treibhausgase hermetisch geschlossenes System 280558 34684 GB Contains fluorinated greenhouse gases covered by the Kyoto Protocol hermetically sealed FR Comprend les gaz effet de serre fluor s enregistr s par le protocole de Kyoto syst mes herm tiquement scell s 280558 34684 NL Bevat gefluoreerde broeikasgassen die onder het Kyoto protocol vallen hermetisch gesloten systeem SE Inneh ller av Kyoto protokollet registrerade flourerande vaxthusgaser i hermetiskt f rslutna system PL Zawiera fluorowane gazy cieplarniane ujete w Protokole z Kioto hermetycznie zamkniety uktad 6 Information label Relief valve installation location CZ Obsahuje fluorizovan sklen kov plyny obsa en v Kj tsk m protokolu hermeticky uzav en syst m HU A Kiot i Jegyz k nyv szerinti fluortartalmu vegh zhat s g zokat tartalmaz hermetikusan z
9. normal Notify your local licensed installer if water still drips after heat up has been completed 7 3 the condensate drain drips This is quite normal and always happens when the surface temperature of the evaporator is lower than the dew point temperature of the ambient air 7 4 the power consumption is too high Please consult a qualified licensed installer 7 5 the room temperature drops excessively The water heater operation reduces the ambient air by 1 to 3 C 2 to 6 F Notify your local licensed installer if the ambient temperature drops abnormally 7 6 other faults occur Notify your local licensed installer Refer to the water heater number on the type plate next to the barcode STIEBEL ELTRON Order No 222423 Ness SOC ee Type Accelera 300 WHP 300 N N AR N C x x gt gt e lt e e lt gt e x Observe the installation manual Tested for leaks Made in Germany 26_03_01 1357 1 Water heater number SAFETY 8 Safety Only qualified licensed installers should carry out installation initial start up maintenance and repair of the water heater 8 1 General safety instructions Use only original accessories and spare parts intended for this water heater DANGER Electric shock Disconnect the water heater from the power supply prior to its installation WARNING Injury If the pipes inside the water heater are damaged leaking refrigerant gas can result in
10. 1 Installation location 11 2 Shipping inspection 11 3 Handling 11 4 Storage 11 5 Positioning the water heater 11 6 Unpacking the water heater 11 7 Removing the transport lock 11 8 Condensate drain 11 9 Water connection 11 10 Power supply 240V 15A double pole circuit breaker __ 12 Initial start up 12 1 Initial start up 12 2 Shutting down 12 3 Restarting 13 Settings 13 1 Adjusting the water temperature 20 22 22 22 22 22 22 15 Water heater hand over 15 Troubleshooting 15 1 Safety equipment of the water heater 15 2 Troubleshooting 16 Maintenance and cleaning 16 1 Cleaning the evaporator 16 2 Draining the tank 16 3 Sacrificial anode rod 16 4 Descaling 16 5 Checking valves 17 Specification 17 1 Connection and dimensions 17 2 Wiring diagram 17 3 Refrigerant diagram 17 h Technical Data ENVIRONMENT AND RECYCLING WARRANTY ENGLISH OVERVIEW 1 Overview Back of the water heater Front of the water heater en en en wo N en en en 9 Air discharge 10 Entry for the power cable Water heater cover 11 Information labels serial no Opening for PT valve Condensate drain Leveling feet Cold water inlet Hot water outlet Air entry Condensate spillover COND OIE UJ N A An 80 gallon water tank is part of the water heater Foam insulation is applied to the outside of the water tan
11. F 4 1 3 Defrosting The lower limit of use of the water heater is permanently set to 6 C 42 F It is possible that at this limit the evaporator will be coated in frost This is subjectto the air temperature and humidity level particularly at low hot water temperatures The compressor will be switched off as soon as the evaporation temperature falls below 7 20 F for any length of time When the temperature at the evaporator fins rises above 3 C 38 F the compressor starts again and the hot water heating continues The fan continues to run during defrosting 5 Operation You do not have to make any adjustments The water heater is therefore not equipped with any controls The hot water temperature is factory set to 60 C 140 F Should you wish to operate with different settings contact your local licensed installer A WARNING Scalding The water is heated inside the water tank to 60 C 140 F There is a risk of scalding at outlet temperatures in excess of 42 C 108 F Ensure that outflowing water does not directly contact your body 5 1 Initial start up by a licensed installer Initial start up should be done by a licensed installer 5 2 Starting and stopping The water heater is not equipped with an ON OFF switch If a power plug was fitted during installation you can disconnect the water heater from the power supply by pulling that plug Alternatively you can terminate the water heater o
12. INFORMATION 2 1 7 Information on the water heater 1 Information label Condensate drain This label shows you the position where the water heater drain is located 280302 34812 2 Information label Risk of scalding CAUTION n QZ en 26 03 01 1355 General information label Information label Relief valve Information label Connection Information label Cold water inlet WN A Children disabled ond elderly are 05 nak o Deng scaled Sm bel Lin Lemperolure at water v d r Feel sgile befor showerming lemeratune hmi see manua 284760 34684 284760 34684 3 Information label Connection For reason of corrosion protection use flat gasket ring o N LO te LO e N wo en en Type plate Information label Power connection Information label Fluorated gases Information label Risk of scalding Information label Energy efficiency 280305 35826 OY Ul GENERAL INFORMATION 4 Information label Hot water outlet 9 Type plate WW Austritt STIEBEL ELTRON Type Accelera 300 WHP 300 Order No 222423 No DHW outlet N N N AR N Co gt lt
13. Manufacturer shall at the Manufacturer s discretion either factory repair or replace the defective Heater with a replacement unit or part s with comparable operating features Manufacturer s maximum liability under all circumstances shall be limited to the Owner s purchase price for the Tank This limited warranty shall be the exclusive warranty made by the Manufacturer and is made in lieu of all other warranties express or implied whether written or oral including but not limited to warranties of merchantability and fitness for a particular purpose Manufacturer shall not be liable for incidental consequential or contingent damages or expenses arising directly or indirectly from any defect in the Heater or the use of the Heater Manufacturer shall not be liable for any water damage or other damage to property of Owner arising directly or indirectly from any defect in the Heater or the use of the Heater Manufacturer alone is authorized to make all warranties on Manufacturer s behalf and no statement warranty or guarantee made by any other party shall be binding on Manufacturer Manufacturer shall not be liable for any damage whatsoever relating to or caused by 1 any misuse or neglect of the Heater any accident to the Heater any alteration of the Heater or any other unintended use 2 acts of God and circumstances over which Manufacturer has no control 3 Installation of the Heater other than as directed by Manufa
14. OPERATING AND INSTALLATION DHW HEAT PUMP WATER HEATER ACCELERA 300 Ip LISTED Intertek The Accelera 300 Heat Pump Water Heater is tested and certified by WQA against NSF ANSI 372 for STIEBEL ELTRON Inc 17 West Street West Hatfield MA 01088 Tel 413 247 3380 Fax 413 247 3369 Email info stiebel eltron usa com www stiebel eltron usa com STIEBEL ELTRON QUICK START UP GUIDE Please read Read these instructions carefully and retain them for future reference If the water heater is passed on to a third party please hand these instructions to the new user This manual includes important information regarding the safe and efficient handling of the water heater Keep this manual with the water heater at all times Work must only be carried out by a licensed installer who has read and understands these instructions All federal state and local codes must be followed Failure to do so may result in equipment failure serious injury or death While working on the water heater disconnect the power supply Illustrations in these instructions are designed to aid a general understanding and may deviate from the actual water heater version No claims can be derived from such illustrations Limited liability We have collated all details and information in this manual in due consideration of applicable standards and regulations the state of the art and our long term know
15. SCALDING AT OUTLET TEMPERATURES EXCEEDING 43 C 110 F RISK OF SCALDING Do not install in a room with less than 800 cubic feet of total volume for example 10 ft x 10 ft x 8 ft Do not install with the air exhaust pointing at a wall or any surface closer than 6 feet away Do not install with the air intake pointing to a wall or any surface closer than 2 feet away Failure to follow installation instructions will void the factory warranty REQUIRED ROOM DIMENSIONS AND CLEARANCES LLLLLLLLLILLLLLLLL LL 1534 0 4 m Air flow intake Air flow exhaust WE 2 0 6 m i 6 1 8 m Minimum room volume 800 ft 10 x10 x8 Acceptable positioning vent parallel side wall 8 0 2 m 2 0 6 m 6 1 8 m gt Air flow gt Air flow exhaust intake Acceptable positioning vent towards room center Air flow 2 0 6 m intake NN 2 0 6 m Air flow exhaust D0000018502 UN J Ov O1 FW N 9 8 10 201 4 NA Cold water Vacuum breaker Hot water connection Union adaptor to 3 4 Mixing valve optional supplied by installer Connection for T amp P valve 3 4 T amp P valve 3 4 0 69 MPa 99 C 100 psi 210 F supplied with unit 0 551 MPa 80 psi relief valve optional supplied by installer Expansion tank optional supplied by installer Straight through shut off valve supplied by installer Check valve option
16. ains terminal 12 Sacrificial anode 5 Frost monitor 13 Safety pressure limiter manual reset 6 Heat pump control thermostat see 14 1 2 7 Fan motor 14 Condensate pan drain 8 Heat pump terminal 15 Compressor 9 Thermostat booster heater 16 Compressor motor protection Klixon delay auto reset see 14 1 3 Pull the power cable through the cable entry into the water heater interior Route the power cable through the strain relief cable clamp Connect the power cable to the mains terminal in accordance with the wiring diagram see chapter 16 2 Wiring Diagram L1 L2 and ground WARNING Electric shock Risk of injury through inadequate grounding Ensure that the water heater is correctly grounded in accordance with the requirements at the place of installation The ground conductor of the power cable must be connected to the terminal marked G or Earth 11 10 1High limit safety cut out At ambient temperatures below 10 C 14 F for example during 1 Resetbutton for high limit safety cut out shipping or in storage the high limit safety cut out may trip m en Nel N Press the reset button of the high limit safety cut out to reset it To do this first remove the water heater cover 21 ENGLISH INITIAL START UP 12 Initial start up 12 1 Initial start up Only approved licensed installers may perform the initial start up of this water heater and instruct the
17. al supplied by installer 0 48 MPa 70 psi pressure reduction valve optional supplied by installer Cold water connection with Union adaptor to 3 4 Condensate drain elbow supplied with unit Drain valve supplied by installer Drain pan supplied by installer Condensate spillover ENGLISH GENERAL INFORMATION QUICK START UP GUIDE OPERATION 1 Overview 2 General information 2 1 Key to symbols 3 Safety 3 1 General safety instructions 3 2 Intended use 3 3 Incorrect use 3 4 Personnel qualification 3 5 Safety equipment 3 6 Particular risks Water heater description 4 1 Function description 5 Operation 5 1 Initial start up by a licensed installer 5 2 Starting and stopping 5 3 Emergency stop 6 Maintenance and care 6 1 Descaling 7 What to do if 7 1 the water heater does not deliver hot water 7 2 the safety valve of the cold water supply line is dripping 71 3 the condensate drain drips 7 h the power consumption is too high 7 5 the room temperature drops excessively 7 6 other faults occur 8 Safety 8 1 General safety instructions 8 2 Incorrect use 8 3 Qualification 8 4 Instructions standards and regulations 8 5 Water installation 8 6 Electrical installation 9 Water heater description 9 1 Standard delivery 9 2 Special accessories 10 Transport 10 1 Transport in a horizontal position 11 Installation 11
18. approx 1260 mm 50 long The timing of the anode inspection Is subject to the local water quality and is determined by your local licensed installer We 24 recommend that the anode Is checked no later than 12 months after initial start up J f S a A A Eg a K CD n Na cm i li Y va SINN f OZ ji ZA p t 26 03 01 1025 1 Sacrificial anode rod Ifthe anode is used up you will need to replace it Should it prove impossible to install an anode rod length approx 1260 mm 50 install a segmented anode Description Part Anode rod 278235 Segmented anode rod 143498 During the anode rod installation ensure a clean metal conducting connection between the anode and the tank 16 4 Descaling Close the shut off valve in the cold water supply to the tank Draw water from the tank to relieve the pressure inside the water heater EREP REBER 26_03_01_1025 1 Low pressure fill port 2 High pressure fill port 3 Booster heater flange Unscrew the booster heater flange and remove element MAINTENANCE AND CLEANING Immerse scaled sections of the heater element into a descaling liquid for example citric acid until the limescale has dissolved Flush the descaling liquid white vi
19. area in which it is installed STIEBEL ELTRON 17 West Street West Hatfield MA 01088 TOLL FREE 800 582 8423 PHONE 413 247 3380 FAX 413 247 3369 info stiebel eltron usa com www stiebel eltron usa com 51 ENGLISH NOTES NOTAS ACCELERA 500 HEAT PUMP WATER HEATER WWW STIEBEL ELTRON USA COM NOTES NOTAS WWW STIEBEL ELTRON USA COM ACCELERA 500 HEAT PUMP WATER HEATER North Central and South America United States of America STIEBEL ELTRON Inc 17 West Street West Hatfield MA 01088 Tel 0413 247 3380 Fax 0413 247 3369 Email info stiebel eltron usa com Web www stiebel eltron usa com 28001 9 Subject to errors and technical changes 4 501 122 1 1 Stand 8643 STIEBEL ELTRON A 280011 38683 9053
20. bottom cover Position the water heater on the three leveling feet Level the water heater vertically by adjusting the three leveling feet Remove any packaging that remains on the water heater Install condensate drain elbow 11 7 Removing the transport lock There is a two part transport lock to the heat pump unit of the appliance The transport lock must be removed before the appliance is installed BA In its delivered condition the appliance cover is held in place by only amp screws The remaining screws for the appliance cover can be found in a plastic bag supplied with the appliance in the lower section of the appliance packaging Undo the 4 screws in the appliance cover and remove the cover to open the appliance Remove the notice about secure transport which is fixed between the appliance casing and cover 18 n 4 i Wi ht TA air NS Ww 26 03 01 1127 1 Transport lock part I 2 Transport Lock part Il 3 Air intake Carefully remove transport lock part II by pulling it gently out of transport lock part I Remove transport lock part l Ensure there is no packaging left in the appliance Checkthe heat pump unit for transport damage Position the cover back on the appliance and secure it with the 8 supplied screws Never commission the appliance immediately after removing the transport lock Wait at least 1 hour before commissioning the applia
21. cturer and other than in accordance with applicable building codes 4 improper installation and or improper materials used by any Installer and not relating to defects in parts or workmanship of Manufacturer 5 failure to maintain the Heater or to operate the Heater in accordance with the Manufacturer s specifications This Warranty is valid for U S A amp Canada only Warranties may vary by country Please consult your local Stiebel Eltron Representative for the Warranty for your country 6 failed components not originally installed by the Manufactuer as a part of the unit at the time of sale 7 exposure to freezing conditions 8 exposure to harmful chemicals contaminated water corrosive fluids or corrosive atmosphere 9 installing the Heater in a closed system without a properly sized and installed thermal expansion tank 10 operating the Heater without the factory installed electronically impressed anode rod or sacrificial anode 11 replacing the electric heating element with a unit not manufactured by Stiebel Eltron or greater in power than the originally installed element 12 connecting the Heater to improper voltage or service 13 operating the Heater under fluctuating or excessive water pressure or in the event the Heater is supplied with non potable water for any duration 14 operating the unit when it is empty or partially full of potable water 15 installing and operating the Heater outdoors 16 opera
22. d in the open as well as in enclosed spaces The temperature of the air that is drawn in during operation must not fall below 6 C 43 F Any other use beyond that described shall be deemed inappropriate Observation of these instructions is also part of the correct use of this water heater Any changes or modifications to this water heater void all warranty rights 3 3 Incorrect use The following are not permitted Do not heat anything other than potable water Do not use unqualified unlicensed personnel for installation Do not use in an environment with greasy extract air 10 This water heater must not be operated at ambient temperatures in excess of 42 C 107 F or below 6 C 43 F If outside air is directly drawn in ensure that the water heater is isolated from its power supply when the air temperature falls below 6 C 43 F 3 4 Personnel qualification DANGER Injury Incorrect handling can result in severe injuries and material losses Inadequately qualified personnel cannot assess the potential risks Have the installation initial start up maintenance and repair steps carried out only by the qualified individuals specified in the respective chapters In the remainder of this manual such qualified individuals will be described as the licensed installer 3 5 Safety equipment Wear safety shoes boots during the transportation and positioning of the water heater Dry this water heater we
23. heater works like an air conditioner but does not need to be vented The water heater extracts heat from the ambient air to heat the water The demand for electrical energy and the heat up time depend on the ambient air temperature and humidity When installing the water heater inside the space where it is installed will be cooled down during the operation by 1 to 3 C 2 to 6 F The water heater also extracts moisture from the air that creates condensate which must be drained off For this purpose a condensate drain Is integrated in the water heater This is where you can connect a hose to a drain To protect the steel tank against corrosion the interior is coated with a special enamel and is equipped with a replaceable sacrificial anode Heat pump function A sealed circuit inside the water heater contains R134A refrigerant see Specification data table this does not deplete ozone is non flammable and evaporates at low temperatures In the evaporator where heat is extracted from the outside air the refrigerant changes from its liquid into its gaseous state A compressor draws in the gas in and compresses it The increase in pressure raises the refrigerant temperature and heats the water tank This process requires electrical energy The energy motor heat is not lost but reaches the condenser downstream together with the compressed refrigerant Here the gas transfers heat to the water tank An expansion valve then
24. hesive sealing strip Never remove the sealing strip Always use the spring nuts during reassembly Refit the air intake grill after completing the maintenance and repair work 1 Removable air intake grill with an all around adhesive strip on the inside 23 ENGLISH MAINTENANCE AND CLEANING 16 1 Cleaning the evaporator WARNING Injury The evaporator has many sharp edged fins When cleaning the evaporator proceed with caution and wear protective clothing in particular safety gloves Maintaining the full output of the water heater at all times requires an occasional professional cleaning of the evaporator Undo the screws that connect the water heater cover and remove Carefully clean the evaporator fins Only use water and a soft brush Never use acidic or alkaline cleaning agents 16 2 Draining the tank WARNING Scalding Hot water can be expelled when draining the tank Close the shut off valve in the cold water line Fully open the hot faucets at all points The tank is drained via the cold water supply Some residual water will remain in the bottom of the tank Open the drain valve see chapter 10 7 Water connection If a drain valve was not installed undo the fitting on the cold water supply of the water heater 16 3 Sacrificial anode rod A sacrificial anode rod is inserted in the top of the water heater The sacrificial anode rod fitted at the factory is
25. how and experience Losses due to the following are excluded from our liability Non observance of these instructions Incorrect use Installation of the water heater by unqualified personnel Unauthorized modifications Technical modifications Use of unauthorized spare parts Accelera 300 Quick Start up Guide Copyright These operating and installation instructions are subject to copyright Transferring these instructions to third parties copying of any kind either in total or extracts therefrom as well as their use and or conveying its contents are prohibited without our written consent Contraventions are liable to claims for compensation Further claims are reserved We hold the copyright STIEBEL ELTRON Inc 17 West Street West Hatfield MA 01088 Tel 413 247 3380 Fax 413 247 3369 Email info stiebel eltron usa com www stiebel eltron usa com Should you have any question regarding the installation or operation of the water heater please contact our customer service Tel USA 800 582 8423 or 413 247 3380 Please record your serial number and information Serial No Date of Purchase A OVERVIEW This water heater hooks up like any other electric water heater with a few minor exceptions Be sure to follow all state and local codes during installation This page is not intended to be a substitute for the installation manual Be sure to follow all safety precautions B UNPACKING DO NOT unpac
26. ighs 130 kg 290 Ib Safety shoes boots reduce the risk of injury 3 6 Particular risks 3 6 1 Electric current A WARNING Electric shock Contacting parts that carry live power is associated with a direct risk to life Damaging the insulation or individual components can result in a risk to life If you detect damaged insulation immediately switch off the power supply and arrange for the necessary repair Have all electrical work carried out by a qualified electrician 3 6 2 Hot surfaces A CAUTION Burning Contact with hot components can result in burning When working near hot components wear protective clothing and gloves The pipework connected to the hot water outlet of the water heater can reach temperatures in excess of 60 C 140 F 3 6 3 Refrigerant The water heater is filled with R134A refrigerant at the factory ZAN WARNING Freezer burn Should the water heater leak refrigerant avoid contact with the refrigerant or breathing in any released vapors Immediately vent the room In normal water heater operation the refrigerant is contained in a sealed circuit WATER HEATER DESCRIPTION 4 Water heater description This water heater is an automatic hot water generator with approx 303 80 gallon capacity The hot water temperature Is factory set to 60 C 140 F After opening a hot water faucet the hot water is pushed out of the water heater by the incoming cold water This water
27. k to prevent heat losses The water heater casing is made from powder coated sheet steel The internally enameled water tank is supported by three height adjustable anti vibration leveling feet GENERAL INFORMATION 2 General information The chapter Operation is intended for users and licensed installers The chapter Installation is intended for licensed installers only 2 1 Key to symbols 2 1 1 Layout of safety information DANGER Electric shock Before any work on the water heater disconnect all poles from the_power supply 1 Symbol see chapter Symbols 2 Keyword see chapter Keywords 3 Designations see chapter Symbols 4 Information text 2 1 2 Symbols Description Injury Electrocution Burns or scalding Other situations Fire Explosion Water heater disposal gt gt gt 2 1 3 Keywords KEYWORD DANGER The keyword DANGER indicates information that must be observed otherwise serious Injury or death will result WARNING The keyword WARNING indicates information that must be observed otherwise serious injury or death may result CAUTION The keyword CAUTION indicates information that must be observed otherwise relatively serious or light injuries may result 2 1 4 Symbols in this documentation BA Read the text next to this symbol carefully Passages with the symbol indicate that you have to do something The action you need to take Is described step by
28. k water heater unit until it is located at the point of installation Follow all instructions in the manual and be sure to use caution as this unit is top heavy DO NOT lay the unit down and DO NOT jar or tip the unit past 45 degrees on the hand truck See 10 6 C INSTALLATION WATER a Location Find a suitable location according to the manual Minimum area is 10 x 10 x 8 Be sure vents are parallel to the wall with the fan facing the most open area along that wall Please note a drain pan is recommended See 10 6 b 3 4 Inlet from union provided For hook up follow all state and local codes for check valves expansion tanks shut off valves gauges etc Install a 70 psi pressure reduction valve Please note water pressure should not exceed 0 48 MPa 70 psi See 10 7 c 3 4 Outlet from union to hot water line d Install T amp P Relief valve supplied Please note 0 69 MPa 99 C 100 psi 210 F D CONDENSATE DRAIN Goes directly into a drain or use a condensate pump to drain into a suitable location See 10 6 1 E FILL amp FLUSH TANK Run water and be sure tank is full prior to turning on the electricity F INSTALLATION ELECTRICAL Use a 240 Volt 15 Amp double pole breaker and connect to water heater L1 L2 and Ground See 16 2 WITHIN ABOUT 5 HOURS OF START UP TIME EXHAUST AIR FLOW SHOULD BE APPROXIMATELY 14 4 C 6 F LESS THAN THE INLET SIDE A CAUTION RISK OF SCALDING THERE IS A RISK OF
29. ke g02 Air discharge 26 D0000018497 SPECIFICATION 17 2 Wiring diagram xo Booster heater High limit safety cut out booster heater Compressor motor protection Klixon Safety pressure limiter high pressure Compressor Fan Heat pump control thermostat Thermostat booster heater Frost monitor Main terminal Heat pump terminal Ground compressor Ground booster heater Steel tank jacket ground D0000049787 27 ENGLISH SPECIFICATION 17 3 Refrigerant diagram wo 9 en T wo N 1 Tank w heat condenser jacket amp temperature sensors 2 Filter dryer 3a Expansion valve 3b Capillary tube 3c Capillary bulb 4 Fan amp evaporator 5 Compressor 6 Check valve PC Service valve high pressure Po Service valve low pressure gt P High pressure safety switch TC Thermostatic expansion valve 28 SPECIFICATION 17 4 Technical Data Model Accelera 500 Type Heat pump water heater Part number 222423 Version With passive defrosting and booster heater Operating details Lower application limit for heat pump operation air temperature 42 8 F 6 C Upper application limit for heat pump operation air temperature 107 F 42 C Hot water temperature heat pump 140 F 60 C Hot water temperature booster heater 140 F 60 C Air flow rate 324 cfm 550 m h Tank capacity 80 gal 303 Refrigerant R 135a
30. l to or lower than the heat pump 22 13 2 Knob settings Backup element 120 F Heat pump 125 F 14 Water heater hand over Explain the functions to the user Draw special attention to the safety information Hand these operating instructions to the user 15 Troubleshooting WARNING Electric shock Always disconnect the power supply before working on the water heater 15 1 Safety equipment of the water heater If faults develop the safety cutouts on the water heater will interrupt the appropriate power circuits 15 1 1 High limit safety cut out for booster heater The high limit safety cut out protects the water heater against overheating The booster heater is switched off when the temperature of the water inside the tank exceeds 95 C 203 F After removing the source of the fault press the reset button on the high limit safety cut out To do this first remove the water heater cover See below 15 1 2 Safety pressure limiter for heat pump gt Dr a axe hy aC N Sg WEE 26 03 02 1306 1 Reset button for the high limit safety cutout 2 Reset button for the safety pressure limiter MAINTENANCE AND CLEANING The safety high pressure limiter shuts down the compressor if the pressure inside the refrigerant circuit exceeds the permissible maximum value The safety high pressure limiter may also trip if the water heater is operated above its permissib
31. le limit i e above an air temperature of 42 C 107 F See above The safety pressure limiter also trips if the heat pump thermostat fails After the cause of the fault has been removed reset the safety pressure limiter by pressing the reset button 15 1 3 Protective motor switch klixon The protective motor switch will shut down the compressor if it is overloaded because of excessive thermal load Remove the cause After a short cool down phase the protective motor switch will restart the compressor automatically 15 2 Troubleshooting 15 2 1 Excessive power consumption Lower the temperature of the booster heater 15 2 2 The room temperature falls excessively One possible cause is an inadequate air flow over the evaporator Check the fan Check for clogged evaporator Ensure that the intake and discharge flow are not restricted 16 Maintenance and cleaning Only qualified licensed installers must carry out maintenance work in accordance with these instructions WARNING Electric shock Maintenance work such as checking the electrical safety must only be carried out by an electrician Always disconnect the power supply before working on the water heater BA You may remove the air intake grill if there is not enough room for maintenance work above the appliance even after its cover has been removed The air intake grill is secured with spring nuts The inside of the grill intake features an ad
32. nce INSTALLATION 11 8 Condensate drain 11 9 Water connection The water connection must be carried out by a qualified licensed plumber The cold water connection must comply with DIN 1988 or state and local codes Prior to installing the water heater flush the line thoroughly 1 8 9 10 rt A 6 Cold water l co co 26 03 01 1127 Condensate drain or Drain pan connected to drain T amp P valve Cold water connection Hot water connection Condensate spillover en a en N Huo WN RA Vacuum breaker Hot water connection Union adaptor to 3 4 1 2 Ran 3 Mixing valve optional supplied by installer The condensate drain is located on the side of the water heater 4 This is where you can connect a drain hose 5 Connection for T amp P valve 3 4 T amp P valve 3 4 0 69 MPa 99 C 100 psi 210 F supplied When installing the unit outdoors the condensate can drain off with unit no freely 6 new 80 psi relief valve optional supplied by installer For indoor installation the condensate can be routed into afloor 7 Expansion tank optional supplied by installer drain or routed through the wall up 889 mm 35 seediagram 8 Straight through shut off valve supplied by installer above 9 Check valve optional supplied by installer 10 0 48 MPa 70 psi pressure reduction valve optional If required install a condensate
33. negar is another example off and allow the immersion heater element to dry 16 5 Checking valves 16 5 1 Safety valve on site provision For reasons of safety it is necessary to check the T amp P valve for proper function from time to time Crack open the safety valve until a full jet of water is discharged Close the safety valve when the check is complete How quickly limescale builds up depends on the local water quality and the hot water temperature As your local licensed installers are familiar with your local water quality let them determine the timing of the next service 16 5 2 Pressure reducing valve on site provision Check the on site pressure relief valve for function If required replace the valve 16 5 3 Checking refrigerant levels Only licensed HVAC technicians should service the heat pump or check on the refrigerant levels When checking refrigerant levels at fill ports be sure to use new crush washers supplied with unit 25 ENGLISH SPECIFICATION 17 Specification 17 1 Connection and dimensions EIBEEEHEPHEEFEBOSHED CCIC CICI ILILILILIL 660 25 98 Accelera 300 Connections and dimensions b01 Entry electrical cables c01 Cold water inlet Male thread G1 c06 DHW outlet Male thread G1 c13 T amp P valve Female thread G 3 4 d43 Condensate overflow d45 Condensate drain Male thread G 3 4 g01 Air inta
34. ng transportation information is observed to ensure the appliance is transported We recommend transporting the appliance in a vertical position Transport the appliance in its packaging to protect it against damage Transport the appliance in an upright position 10 1 Transport in a horizontal position The appliance can also be transported horizontally over short distances on good roads Observe the following information Ensure that no pressure is applied to the packaging Evenin its packaging never place other devices or objects on the appliance 10 1 1 Position of the air intake side The air intake side of the appliance is identified on the packaging with a label Ensure that the air intake side of the appliance is facing downwards if the appliance is transported horizontally 11 Installation CAUTION Injury Incorrect installation can result in severe injuries and material losses Prior to installation ensure you have adequate space for the work to be carried out Handle components with sharp edges carefully The sheet steel casing of the water heater is not designed to withstand heavy forces Handle and install the water heater with care 11 1 Installation location DANGER Explosion gt Never install the water heater in rooms where it is at risk from explosions as a result of dust gases or vapors WARNING Injury gt The room where the water heater is to be installed must have a load
35. peration by tripping the circuit breaker 5 3 Emergency stop In case of emergency carry out the following steps Isolate the power supply by tripping the circuit breaker or by pulling the power plug Shut off the cold water inlet 6 Maintenance and care A damp cloth is sufficient for cleaning the exterior of the water heater Never use abrasive or corrosive cleaning agents Do not hose down the water heater Monthly check that the condensate drain is clear Monthly carry out a visual inspection of the condensate pan drain in the top of the water heater see the following diagram Look through the air intake grille at the front of the water heater If required notify your local licensed installer who will remove any contamination 11 ENGLISH WHAT TO DO IF 2 EN i d Ds lt a 24i IN ep 7 2 729 2 lt _ g OZ lj A AN Th cd 2 A 1 v aW N og WES S DS Uo 26 03 01 1404 1 Condensate pan drain 6 1 Descaling At high temperatures water separates out lime This is deposited on the inside of the tank With increasing limescale build up the amount of hot water inside the tank is reduced Have a licensed installer descale the booster heater from time to time This extends the service life of the booster heater Scale cannot build up on the heat pump element A licensed installer who knows the local water quali
36. pump supplied by installer i i 11 Cold water connection with Union adaptor to 3 4 BA To ensure the condensate drains correctly never kink 12 Condensate drain elbow supplied with unit the hose 13 Drain valve supplied by installer 14 Drain pan supplied by installer 15 Condensate spillover Remove the protective plastic caps from the connectors Connect the plumbing Risk of damage through corrosion To protect against the risk of corrosion make the connection with flat gaskets Insulate the hot water line against heat loss Install a drain valve at the lowest point of the cold water Supply Install a 0 48 MPa 70 psi pressure reducing valve on the cold water inlet 19 ENGLISH INSTALLATION Accurately maintain the order of fittings on the cold water side see diagram 10 7 11 9 1 Safety valve on site provision This water heater is a sealed unit A 0 69 MPa 99 C 100 psi 210 F T amp P relief valve must be installed When installing the T amp P valve observe the following Size the drain line so that water can drain off completely even if the safety valve is fully open The drain outlet must not be able to be closed and must always remain open to atmosphere The T amp P valve must open at a pressure of 0 69 MPa 100 psi and be 3 4 pipe thread 11 9 2 T amp P valve on site provision WARNING Risk of injury through excessive pressure and temperatures Install safet
37. reduces the pressure and the process starts again amp 1 Function description 4 1 1 Heat pump operation The heat pump unit located on top of the water heater extracts heating energy from the ambient air If the water heater was separated from the power supply during operation the compressor will only restart if the pressure inside the refrigerant circuit has been balanced Pressure balance can only be created after waiting 15 minutes Minimum runtime and minimum OFF time The appliance is supplied with pipe connectors with union nut fittings and flat gaskets for making the connections to the cold water and DHW lines The minimum runtime is 60 minutes The minimum OFF time following a shutdown is 20 minutes The appliance should not be switched ON OFF more than 10 time per day The external switching device must have a minimum breaking capacity of 240 V 16 A 4 1 2 Booster heater Primarily the water inside the tank is heated by the heat pump When there is a higher hot water demand or when the water heater was switched OFF and you require hot water quickly the integral booster heater will turn on To save energy the booster heater only heats the top third of the tank approx 102 27 gallons A thermostat switches the booster heater on if the water temperature inside the tank falls below 45 C 112 F A thermostat switches the booster heater off if the water temperature inside the tank exceeds 60 C 140
38. rically with a 15 A double pole circuit breaker Where the water heater is permanently connected to the power supply it must be able to be separated from the mains power supply by an additional isolator that disconnects all poles with at least 3 mm 0 12 contact separation For this purpose use contractors circuit breakers fuses etc on site In case of a fault the safety equipment interrupts the relevant power circuit 15 ENGLISH WATER HEATER DESCRIPTION 9 Water heater description BA The hot water thermostat temperature is preset at the factory Where customers require a lower hot water temperature the thermostat settings of the heat pump and the booster heater can be reduced A sacrificial anode rod is installed in the top of the water heater 6 9 1 Standard delivery Accelera 300 heat pump water heater Two adaptors Union to 34 Two union gaskets Condensate drain elbow Two copper crush caps 100 psi T amp P valve Ti 9 2 Special accessories Description Part number Anode rod 278235 Segmented anode rod 143498 26 03 02 1404 Service valve high pressure Sacrificial anode 1 High limit safety cut out manual reset 2 Compressor 3 Condensate drain 4 Filter dryer 5 6 m CN gt en gt Capacitor Fan Evaporator Defrost sensor CO N 14 TRANSPORT 10 Transport Lii safely It is vital that the followi
39. rt rendszer IT Contiene gas fluorurati ad effetto serra disciplinati dal protocollo di Kyoto Impianto ermeticamente chius Re ef Va Ve ES Sistema herm ticamente cerrado que contiene gases de efecto invernadero mencionados en el protocolo de Kioto BG RO Contine un sistem inchis ermetic contra emisiei de gaze fluorine monitorizat de protocolul Kyoto DK Indeholder fra Kyoto protokollen registrerede fluorerede drivhusgasser hermetisk lukket system NO Inneholder fluorerte drivhusgasser som omfattes av Kyotoprotokollen hermetisk lukket system Plumber The relief valve installation must be fitted to this socket FI Sis lt Kioton sopimuksen alaisia fluorattuja kasvihuonekaasuja ilmatiiviisti suljettu j rjestelm 284436 34741 26_03_01_1386 11 Information label Energy efficiency 280557 35826 280557 35826 7 Information label Cold water inlet KW Eintritt CW Inlet ENERGIE effizient 282980 36142 280303 34684 8 Information label Power connection Maintain the legibility of all information labels Illegible safety information and symbols can result in Power SU pply dangerous situations Disconnect power supply before opening the cover 280556 34684 280556 34684 ENGLISH
40. severe physical freezer burns Do not inhale refrigerant Immediately vent the room thoroughly Wear safety goggles and gloves during water heater installation A WARNING Injury Moving parts represent a risk of injury Before opening the water heater ensure that the fan has come to a complete standstill 8 2 Incorrect use The following are not permitted Do not install the water heater on non load bearing floors Do not install the water heater where it is at risk from frost Do not install in rooms where the water heater is at risk from explosions as a result of dust gases or vapors Do not ignore safety clearances and safety zones Do not incorrectly install the power connection Do not operate the water heater with the tank empty Do not operate the water heater with an open casing Do not heat anything other than potable water Do not fill with any other Freon use only R134A 8 3 Qualification WARNING Injury Incorrect handling can result in severe injuries and material losses Inadequately qualified personnel cannot assess the impending danger Have only personnel mentioned in the appropriate sections of this manual carry out specific measures In this manual such qualified individuals will be described as the licensed installer Licensed installers are responsible for adherence to all currently applicable regulations during installation and initial start up 8 3 1 Licensed installer
41. step Passages with this symbol indicate lists 2 1 5 Units of measure in this documentation The dimensions in this document are given in millimeters inches 2 1 6 Information on the packaging Information label Top heavy Achtung Attention Attentie T Uppmarksamhet Oppmerksomhet Attenzione Atencion e e Hoher Schwerpunkt High balance point Hoog zwaartepunt Centre de gravit en partie haute H g tyngdpunkt Alto centro di gravi Alto centro de gravedad m 264623 33631 Information label Vertical transport NE Attention enkrecht oder ggf geneigt transportieren Move this machin ertical position or if required slightly inclined with the co iste llu or Bes a ungen gesch tzt i mE ollte es bis an den tageo ortin ider chen Sec ckun ng tra nspor ortie ert werden r t senkrecht transportieren Bei n das auch ku cigt werden die else xun Au ifste lien und Ausrichten des Ger chs und M onta zb anweisungiu Sch den am Ger eiden ntrol facia point up nst dam mage it must b nsport ted inside its dedicated pac fee yal may a also move brie iefly the equipment tippe ckw ent whic an be sou nd in the enclosed installa operating instructions to cka untilthe nstallatio n fac U de sata ngle gom ve the sible damage e to the jer nee wn o e e e N ENGLISH GENERAL
42. tect the water heater against damage it should be transported vertically inside its packaging Where space is restricted you can also tilt max 45 the water heater briefly to move it 11 4 Storage Where it is necessary to store the water heater prior to installation for a longer period observe the following f possible store the water heater in a dry and dust free ambience Prevent the water heater from coming into contact with aggressive materials Prevent the water heater from being exposed to shocks or vibrations ncase of prolonged storage check the condition of the water heater and its packaging regularly 11 5 Positioning the water heater Position the water heater with its wooden pallet at the final installation location in a 10 x 10 x 8 area Install the water heater so that there is an adequate clearance adjacent to the air grilles see the following diagrams 11 5 1Installation conditions Itis important for water heater performance and to avoid damage to adjacent surfaces that adequate clearance remains available on the air flow intake min 2 and air flow exhaust sides min 6 of the unit It is important for water heater maintenance that adequate space remains available above the water heater 16 1534 0 4 Air flow gt exhaust gt 6 1 8 m 2 0 6 m Minimum room volume 800 ft 10 x10 x8 Acceptable positioning vent parallel side
43. ting the Heater at temperatures higher than recommended by Manufacturer 17 not properly draining the unit during power outages lasting longer than two days Should Owner wish to return the Heater to manufacturer for repair or replacement under this warranty Owner must first secure written authorization from Manufacturer Owner shall demonstrate proof of purchase including a purchase date and shall be responsible for all removal and transportation costs If Owner cannot demonstrate a purchase date this warranty shall be limited to the period beginning from the date of manufacture stamped on the Heater Manufacturer reserves the right to deny warranty coverage upon Manufacturer s examination of the Heater This warranty is restricted to the Owner and cannot be assigned Some States and Provinces do not allow the exclusion or limitation of certain warranties In such cases the limitations set forth herein may not apply to the Owner In such cases this warranty shall be limited to the shortest period and lowest damage amounts allowed by law This warranty gives you specific legal rights and you may also have other rights which vary from State to State or Province to Province Owner shall be responsible for all labor and other charges incurred in the removal or repair of the Heater in the field Please also note that the Heater must be installed in such a manner that if any leak does occur the flow of water from any leak will not damage the
44. ty will tell you when the next maintenance appointment is due Have your licensed installer check the sacrificial anode regularly 7 What to do if 711 the water heater does not deliver hot water Checkthe water heater power supply Check your fuse box for a tripped circuit breaker Make sure there is a 15 A double pole circuit breaker If the circuit breaker has tripped reset it or replace it Notify your local licensed installer if the circuit breaker trips again Ensure that the air intake and air discharge are unobstructed Excessively high ambient temperature excessively high temperature of the air drawn in 42 C 108 F or a fault in the refrigerant circuit can result in the compressor being overloaded The thermal protective auto reset motor switch or the high limit manual reset cut out can both shut off the compressor off BA The high limit pressure limiter must only be reset by your licensed installer after they have removed the cause of the relevant fault After a short cooling down period the thermal protective motor auto reset switch will restart the compressor automatically Notify your local licensed installer if the water heater does not restart automatically 12 7 2 the safety valve of the cold water supply line is dripping This unit can operate up to 0 48 MPa 70 psi of inlet pressure Expansion water drips from the safety valve during heat up This is completely
45. user in its operation Fill and vent the water heater For this open the cold water supply and one hot water tap Thoroughly flush the water heater Check the safety valves Inform the user that water may drip from the safety valve while water is being heated up Connect power by resetting the circuit breaker BA This water heater must not be operated at ambient temperatures below 6 C 43 F or above 42 C 107 F 12 2 Shutting down The water heater can only be switched off by disconnecting the power supply 12 3 Restarting If power has been switched off or interrupted wait 15 minutes before turning unit back on 13 Settings 13 1 Adjusting the water temperature The water temperature must only be adjusted by a licensed installer as the cover must be removed from the water heater en wo N 1 Thermostat heat pump operation 2 Thermostat of the booster heater 3 High limit safety cutout The temperature is reduced by turning the thermostat counter clockwise BA Adjust both thermostats to the same setting Energy consumption will rise if the temperature is set lower at the heat pump thermostat than at the booster heater thermostat Ensure that both thermostats are adjusted to the same setting Energy consumption will rise if the temperature is set lower at the heat pump thermostat than at the booster heater thermostat The booster heater must be set equa
46. wall 8 0 2 m gt 2 0 6 m gt Air flow intake 6 1 8 m gt Air flow exhaust Acceptable positioning vent towards room center Air flow 2 0 6 m intake IS 2 0 6 m Air flow exhaust Level the water heater horizontally by adjusting the feet D0000018502 11 6 Unpacking the water heater BA Ensure that the casing material in the lower section will not be damaged BA Advice The longer you keep the packaging foil wrapped around the water heater the longer it will be protected against damage INSTALLATION Remove the packaging straps Push the packaging foil far enough upwards that the pallet is freely accessible Remove the water heater carefully with the polystyrene packaging from the pallet Slide the packaging foil far enough upwards to be able to remove the first polystyrene profiles from the sides These polystyrene profiles on the sides are used as installation aids in the following steps DANGER Injury from tipping over The water heater has a high centre of gravity and a low overturning moment Ensure that the water heater does not overturn when you remove it from its pallet Sx SSS SS NSS NS NSS NSS NS RY SS SSS SS 26 03 01 1395 Separate the lower packaging section at the dividing line For this make an incision of approx 30 mm 1 25 into
47. y equipment that meets the applicable regulations for the installation locations In any case install a Pressure and Temperature Relief valve T amp P relief that complies with the requirements of the ANSI Z21 22 Requirements for Relief Valves and Automatic Gas Shut off Water heaters for Hot Water Supply Systems The T amp P valve must respond at a pressure of 0 69 MPa 100 psi Fit the T amp P valve into the opening on the circumference of the water heater indicated Ensure that any expelled water cannot come into contact with live parts and will not run onto sensitive surfaces Ensure that the T amp P valve outlet remains free at all times 11 10 Power supply 240V 15A double pole circuit breaker The electrical connection must be carried out by a qualified electrician DANGER Electric shock Contacting live components results in a risk to life Disconnect the water heater from the power supply before carrying out work on the control panel Be sure that no one can reconnect the power while you are working When making a connection use code compliant disconnects Undo the screws and remove the water heater cover 20 INSTALLATION Risk of electric shock Use copper conductors only Air flow 26 03 01 1406 1 Capacitor 10 High limit safety cut out booster heater 2 Cable entry into the water heater casing manual reset see 14 1 1 3 Strain relief cable clamp 11 Booster heater 4 M
Download Pdf Manuals
Related Search