andrews LWHi49 Installation Manual Download

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Item

Gas
Consumption (NET)

Hot Water Capacity

Capacity Range

Temperature Settings

25°C Rise

58°C Rise

G20
G31

28 L/min.

12 L/min.

2.0 - 37 L/min.

37 - 48, 50, 55, 60, 65, 70, 75, 80, 85°C

Maximum Performance

Minimum Performance

Specifi cation

External, Wall Hanging

Power Vented

Direct Ignition

2.0 bar

2.0 L/min.

60 cm(Height) x 35 cm(Width) x 24 cm(Depth)

26 kg

1.0 Litre

R 3/4”

220 - 240 VAC (50Hz)

Zincifi ed Steel Plate/Polyester Coating

Stainless Steel

Copper Sheeting, Copper Tubing

Flame Rod, Thermal Fuse, Pressure Relief Valve,

Lightning Protection Device (ZNR),

Overheat Prevention Device, Freezing Prevention Device,

Fan Rotation Detector

Anchoring Screws

Specifi cations

Performance

Item

Model Name

Type

Ignition

Minimum Pressure for Maximum fl ow

Minimum Flow Rate

Dimensions

Weight

Water Holding Capacity

Accessories

Installation
Air Supply/Exhaust

Connection Sizes

Power Supply

Materials

Water Inlet

Hot Water Outlet

Gas Inlet
Supply

Consumption

Casing

Flue Collar

Heat Exchanger

Safety Devices

WHiX49

LWHiX49

53.5 kW

4.35 kW

75.9W

Freeze Prevention 193W

75.9W

15.

Specifi cations

• Specifi cations may be changed without prior notice.
• The capacity may differ slightly, depending on the water pressure,

water supply, piping conditions, and water temperature.

Summary of Contents for LWHi49

Page 1: ...LATION MANUAL Andrews Built to perform Please read and understand these instructions before commencing installation and leave this manual with the customer for future reference WHiX49 LWHiX49 WHiCX56 LWHiCX56 External SBB80Z8 ...

Page 2: ......

Page 3: ... of serious injury or even death as well as danger of fire when the product is misused by ignoring this symbol Possibility of serious injury or even death as well as possibility of fire when the product is misused by ignoring this symbol Possibility of bodily injury or damage to property when the product is misused by ignoring this symbol The appliance must be installed in accordance with the Gas ...

Page 4: ...0kW 4 2kW 3 6kW 3 84kW 54 5kW 53 5kW 53 5kW 53 5kW 4 35kW GB IE GB IE IP24D GB IE GB IE 4 35kW 4 35kW 4 35kW 10 0bar 10 0bar 10 0bar 10 0bar 1 0bar 1 0bar 1 0bar 1 0bar WHiX49 75 9W 75 9W 75 9W 75 9W LWHiX49 WHiCX56 Specification A3 LWHiCX56 Q ty Shape Part 1 Part Shape Q ty Owner s Guide Installation Manual this document 5 Anchoring Screw Part Shape Q ty Quick Connect Cord 2 2m 1 1 1 Main Control...

Page 5: ...ck Cord Connector Cord Connector 3 Quick Connect Multi System Installation The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord 2 Typical Plumbing The Quick Connect Cord 2 is 2m long Install the units 50 457mm apart from each other to ensure the cord will be able to reach between the units See Typical Plumbing diagram If the distance be...

Page 6: ...accidents may occur as a result CheckWater Supply Quality If the water supply is hard acidic or otherwise impure treat the water with approved methods in order to ensure full warranty coverage Use Extreme Caution if UsingWith A Solar Pre Heater Using this unit with a solar pre heater can lead to unpredictable output temperatures and possibly scalding If absolutely necessary use mixing valves to en...

Page 7: ... blow on outer walls or material not resistant to heat Also consider the surrounding trees and animals The heat and moisture from the water heater may cause discoloration of walls and resinous materials or corrosion of aluminum materials Avoid installation in places where dust or debris will accumulate Dust may block the air supply opening causing the performance of the fan motor to drop and incom...

Page 8: ...00mm or more in front of the exhaust outlet Check Illustration Caution Clearances to Opening into Any Building Combustibles 300 mm or more Combustibles Combustibles Combustibles Combustibles 150 mm or more 150 mm or more 600 mm or more 10 mm or more There must be no building opening within this area 150 mm or more 150 mm or more 150 mm or more 300 mm or more Before installing check for the followi...

Page 9: ...ertical drain pipe or soil pipe 150mm H From and internal or external corner 300mm I Above ground roof or balcony level 300mm J From surface facing the terminal 600mm K From terminal facing terminal 1200mm L From opening in the car port eg door window ect into the dwelling 1200mm M Vertically from terminal on the same wall 1500mm N Horizontally from terminal on the same wall 300mm O From the wall ...

Page 10: ...ufficient reinforcement must be done to prevent the transfer of vibration Do not drop or apply unnecessary force to the device when installing Internal parts may be damaged and may become highly dangerous Install the unit on a vertical wall and ensure that it is level Locating Screw Holes Locating Screw Holes Mounting Structure Caution When installing with bare hands take caution to not inflict in...

Page 11: ...ierley Hill West Midlands England DY5 3ST Terminal Guards A terminal guard is required if persons could come into contact with the terminal or the terminal could be subject to damage If a terminal guard is required it must be positioned to provide minimum of 50 mm clearance from any part of the terminal and be central over the terminal ...

Page 12: ...rom the gas supply piping system during any pressure testing of that system at test pressures in excess of 35 mbar The Appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 35 mbar The appliance and its gas connections must be leak tested before ...

Page 13: ... system to ensure that the water pressure is maintained at this level Check the pressure before putting the unit into operation Failing to supply the proper pressure to the unit may result in noisy operation shorter lifetime of the unit and may cause the unit to shut down frequently Supply water piping Do not use PVC piping Mount a check valve and a shut off valve near the inlet In order for the c...

Page 14: ...sconnection ii Under voltage Cat III conditions should be incorporated in the fixed wiring in accordance with the wir ing regulations iii If the supply cord is damaged it must be replaced by the manufacturer or its service agent This appliance must be electrically grounded in accordance with Electrical Authority Regulations External wiring must be correctly earthed polarised and in accordance with...

Page 15: ...nal block Power tools may cause damage to the terminal block Applicable Model Remote Controller Remote controller RC 9018M WHiX49 LWHiX49 WHiCX56 LWHiCX56 Main The remote controller must be installed in accordance with the installation manual enclosed in the package 1 Disconnect electrical power to the water heater 2 Leave enough slack so that the remote controller cord will not be damaged if the ...

Page 16: ... Throughway Coupling Cord Clamp Ground wire Connector Use one of the vacant holes Connector Caution For Quick Connect Multi System Installation use part Quick Connect Cord 2 only sold separately Quick Connect Cord 2 Quick Connect Cord 2 tag A B 1 Red 2 Black 3 White 4 Green 5 Blue 6 Blue 1 Red 2 Black 3 White 4 Green 5 Blue 6 Blue 1 Red 2 Black 3 White 4 Green 5 Blue 6 Blue 1 White 2 Green 3 Red 4...

Page 17: ... described below Closely observe these warnings they are critical to your safety CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury CAUTION Do not connect power to the system unit until the remote controller installation is complete Be sure to fasten the mounting screws tightly by hand so that the remote controller will be secure Do not ...

Page 18: ...a gas stove 2 The place where direct rays hit near a window etc 3 The place which requires steam near a gas stove and a rice cooker etc 4 The place which requires a spray near a hot water tap etc 5 The place which requires oil near a gas stove 6 The place which uses chemical specialities Benzine Oils and fats system detergent etc 1 2 2 2 2 1 Included Parts List The value in indicates the quantity ...

Page 19: ...and of the remote control in back side Push down only section A of an attach Y shaped terminal from an insulated cover clear top side Do not remove the insulating cover clear Be careful about the installation direction of the Y shaped terminal Do use an electric driver the impact screwdriver absolutely The position of a terminal stand changes with kinds of remote control Remote controller cords Be...

Page 20: ...er Do not install on the bracket by force the hooks may break Hooks Groove Mounting bracket Main remote controller body 6 Secure the remote using the machine screws 7 Attach the decorative frame which was removed in the second step Push the 4 corners of the decorative frame until there is a click Incomplete installation may result in failures such as switch operation failure Note To remove the dec...

Page 21: ...w for a maximum condensate discharge of 100ml minutes from the water heater Horizontal runs must be sloped 1 50 downwards the drain or condensate pump The condensate will be discharged by gravity force only Make the drain pipe run as short as possible The end of the drain pipe must not be submerged in water or blocked in any way To ensure proper drainage leave the end of the drain pipe open to the...

Page 22: ...PVC pipe DO NOT ADD ANY VALVES Condensing Tankless Gas Water Heater Condensing Tankless Gas Water Heater DO NOT ADD ANY VALVES Note If the drain line becomes clogged or frozen condensate will back up into the water heater and a 29 er ror code will flash on the remote controller ceasing operation If this occurs clear the clog or freeze so that condensate can freely flow Be sure to slope the drain p...

Page 23: ...off all gas and water shut off valves drain all of the water out of the unit and the plumbing system to prevent the unit and system from freezing and bleed the gas out of the gas line Freezing is not covered by the warranty CAUTION If installed with a quick connect multi system Turn the system power ON with the remote controller Slowly open a hot water fixture and check that the units ignite seque...

Page 24: ...mains stop and follow the instructions on page 3 of Owner s Guide 6 Turn the gas control manual valve counterclockwise to the on position 7 Turn on electric power to the unit 8 The unit will now operate whenever hot water is called for If the unit will not operate follow the shutdown instructions and call a service technician Shutdown Instructions 1 Stop any water demand 2 Turn off electric power ...

Page 25: ... 240 153 135 214 362 99 99 10 36 70 100 140 170 36 70 100 140 170 AIR INLET FLUE COLLAR AIR INLET WATER DRAIN VALVE WATER DRAIN VALVE WATER FILTER HOT WATER OUTLET WATER DRAIN VALVE WATER DRAIN VALVE DRAIN OUTLET GAS INLET COLD WATER INLET WIRING THROUGHWAYS DRAIN OUTLET R1 2 GAS INLET R3 4 WIRING THROUGHWAYS HOT WATER OUTLET R3 4 VIEW FROM TOP COLD WATER INLET R3 4 4 φ13 4 φ13 6 6 10 OBLONG HOLE ...

Page 26: ...WATER DRAIN VALVE COLD WATER INLET WIRING THROUGHWAYS Unit mm 336 350 334 252 10 10 28 240 262 120 85 50 60 84 120 4 Φ13 4 Φ13 61 10 8 241 VIEW FROM TOP 36 FLUE COLLAR AIR INLET AIR INLET HOT WATER OUTLET R3 4 2 6 5x13 OBLONG HOLE 3 6 5x16 5 OBLONG HOLE WIRING THROUGHWAY GAS INLET R3 4 COLD WATER INLET R3 4 61 88 600 97 171 41 42 10 10 622 567 175 50 GAS INLET ...

Page 27: ...㻹㻭㻵㻺㻌㻯㻵㻾㻯㼁㻵㼀㻮㻻㻭㻾㻰㻲㻸㻭㻹㻱㻌㻾㻻㻰㻮㻸㻾㻾㻾㻔㼂㼏㼏㻕㻲㻭㻺㻌㻹㻻㼀㻻㻾㻮㻸㻔㻱㻭㻾㼀㻴㻕㻮㻾㻔㼂㼐㼏㻕㼅㻔㻲㻳㻕㻮㻾㻮㻸㼅㻮㻾㻮㻸㼅㻳㻱㻭㻾㼀㻴㻸㻵㻳㻴㼀㻺㻵㻺㻳㻼㻾㻻㼀㻱㻯㼀㻵㻻㻺㻲㻾㻱㻱㼆㻱㻌㻼㻾㻱㼂㻱㻺㼀㻵㻻㻺㻌㻴㻱㻭㼀㻱㻾㼃㼃㻮㻸㻮㻸㻮㻸㻮㻷㼃㻴㻵㻳㻴㻙㻸㻵㻹㻵㼀㻿㼃㻵㼀㻯㻴㼃㼃㼃㼃㼀㻴㻱㻾㻹㻭㻸㻌㻲㼁㻿㻱㻾㻮㻷㻾㻮㻷㻾㻮㻸䠮㻮㻷㼃㻮㻸㻾㻮㻾㻮㻸㻮㻷㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㻳㻱㻭㻾㼀㻴㻳㻱㻭㻾㼀㻴㻨㻰㻵㻼㻌㻿㼃㻵㼀㻯㻴㻪㻔㻱㻭㻾㼀㻴㻕㼃㼃㼃㻭㼀㻱㻾㻌㻸㻱㼂㻱㻸㻱㻸㻱㻯㼀㻾㻻㻰㻱㼃㻾㼃㻾㻛㼂㼃㻾㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㼃㻨㻯㻺㻤㻥㻪㻾㻱㻹㻻㼀㻱...

Page 28: ...㻾㻵㻹㻭㻾㼅㻲㻭㻺㻌㻹㻻㼀㻻㻾㻲㻭㻺㻲㻭㻺㻌㻯㻻㻺㼀㻾㻻㻸㻻㼁㼀㻼㼁㼀㻲㻭㻺㻌㻾㻻㼀㻭㼀㻵㻻㻺㻿㻼㻱㻱㻰㻌㻵㻺㻼㼁㼀㻰㻯㻝㻣㻜㼂㻯㻿㼡㼎㻙㻯㻼㼁㻿㼁㻮㻯㻻㻺㼀㻾㻻㻸㼁㻺㻵㼀㻭㻮㻱㻭㻾㼀㻴㻭㻾㻾㻱㻿㼀㻱㻾㼂㻭㻾㻵㻿㼀㻻㻾㻾㻱㻸㻭㼅㻌㻝㻭㻺㼀㻵㻙㻲㻾㻻㻿㼀㻌㻴㻱㻭㼀㻱㻾㻝㻜㻭㻔㻲㼁㻿㻱㻕㻌㻻㼚㻌㻮㼛㼍㼞㼐㼂㻭㻾㻵㻿㼀㻻㻾㻿㻻㻸㻱㻺㻻㻵㻰㼂㻭㻸㼂㻱㻌㻜㻿㼂㻜㻴㻵㻳㻴㻌㻸㻵㻹㻵㼀㻿㼃㻵㼀㻯㻴㻵㻳㻵㻳㻺㻵㼀㻱㻾㻱㻵㻳㻌㻰㻾㻵㼂㻵㻺㻳㻌㻯㻵㻾㻯㼁㻵㼀㻭㻱㼄㻴㻭㼁㻿㼀㼀㻴㻱㻾㻹㻵㻿㼀㻻㻾㻨㻔㻸㻕㼃㻴㻱㻯㻡㻢㻌㻻㼚㼘㼥㻪㻮㻮㼅㻼㻭㻿㻿㻌㻌㻲㻸㻻㼃㻌㻯㻻㻺㼀㻾㻻㻸㻌㼂㻭㻸㼂㻱㻡㼂㻌㻼㻻㼃㻱㻾㻌㻯㻵㻾㻯㼁㻵㼀㻱㻭㻾㼀㻴㻿㼂㻟㻿㼂㻞㻿㼂㻝㻿㻻㻸㻱㻺㻻㻵㻰㼂㻭㻸㼂㻱㻌㻽㻞㻿㻻㻸㻱㻺㻻㻵㻰㼂㻭㻸㼂㻱㻌㻽㻟㻿㻻㻸㻱㻺㻻㻵㻰㼂...

Page 29: ...ct the flow of combustion and ventilation air See Owner s Guide for further maintenance or consult Andrews Water Heaters for recommended service checks Warning There is a scald potential if the output temperature is set too high Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the appliance Do not use this appliance if any part has been under wat...

Page 30: ...ing Protection Device ZNR Overheat Prevention Device Freezing Prevention Device Fan Rotation Detector Anchoring Screws Specifications Performance Item Model Name Type Ignition Minimum Pressure for Maximum flow Minimum Flow Rate Dimensions Weight Water Holding Capacity Accessories Installation Air Supply Exhaust Connection Sizes Power Supply Materials Water Inlet Hot Water Outlet Gas Inlet Supply C...

Page 31: ...s Steel Copper Sheeting Copper Tubing Flame Rod Thermal Fuse Pressure Relief Valve Lightning Protection Device ZNR Overheat Prevention Device Freezing Prevention Device Fan Rotation Detector Anchoring Screws Specifications Performance Item Model Name Type Ignition Minimum Pressure for Maximum flow Minimum Flow Rate Dimensions Weight Water Holding Capacity Accessories Installation Air Supply Exhaus...

Page 32: ...c week sm Weekly fuel consumption without smart controls Qfuel week Weekly electricity consumption without smart controls Qelec week WHi49 0 233 0 205 0 202 0 216 0 227 0 194 0 227 0 215 30 433 30 321 29 779 30 114 26 334 26 211 26 494 25 895 42 6 32 5 48 8 36 8 42 4 41 5 42 3 50 3 213 212 208 211 184 183 185 181 2 1 1 2 2 1 2 2 61 66 61 66 58 62 58 62 kWh kWh kWh kWh kWh kWh XXL XXL XXL XXL XXL X...

Page 33: ...ply Pipe A Installation without a recirculation system Standard System Insulate or apply heating materials to both the cold water supply piping and the hot water sup ply piping to prevent freezing during cold weather and to prevent heat loss through the piping Install one system controller SC 401 6M for every six units Only WHiCX56 series ...

Page 34: ...ill make hot water more quickly available to remote fixtures The pump will circulate water through the loop until the entire loop is warm and then the system controller will turn off the pump until the loop cools down Size the pump to provide at least 8 L min 3 m of head piping losses through the system Check the maintenance monitors on the unit to make sure the pump is providing adequate fl ow Ma...

Page 35: ...hermostat Pump Control Wires use external relays Unit 1 Set Yes for the question Start pump rotation in system settings See SC 401 6M Installation Manual When installing 2 pumps in parallel Set Yes for the question Start pump rotation in system settings See SC 401 6M Installation Manual B 2 Example of Installation with a Storage Tank and Recirculation System Tank recirculation system The pump will...

Page 36: ... control terminal block No 6 90 90 90 90 89 102 PCB Power PCB B5 B5 System Controller No 5 No 4 No 3 No 2 Remote Control terminal block Remote Control terminal block Remote Controller Cord PCB Power PCB PCB Power PCB The remote controller terminal location may differ depending on the unit Connect these to the remote control terminal block in each unit ...

Page 37: ...als to both the cold water supply piping and the hot water supply piping to prevent freezing during cold weather and to prevent heat loss through the piping Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 System Controller Unit Remote Controller 1 1 2 5 Cold water supply pipe 1 1 2 5 Hot water supply pipe Standard System ...

Page 38: ...s system will make hot water more quickly available to remote fixtures The pump will circulate water through the loop until the entire loop is warm and then the system controller will turn off the pump until the loop cools down Size the pump to provide at least 8 L min 3 m of head piping losses through the system Check the maintenance monitors on the unit to make sure the pump is providing adequat...

Page 39: ...ot water storage tank copper or stainless steel pipe Return line circulation pump Size for max flow Size for max flow Storage tank supply line copper or stainless steel pipe Storage tank return line copper or stainless steel pipe B 2 Example of Installation with a Storage Tank and Recirculation System Using external system controller The pump will push water through the Multi System to heat up the...

Page 40: ...Unit 3 The remote controller terminal location may differ depending on the unit Multi System Wiring Use SC 401 6M Only WHiX49 series CAUTION The below diagram shows the connection of 3 units to the system controller When connecting 4 or more units follow the same procedure Connect the water heaters to the system controller follwing the detailed wiring instructions included with the system controll...

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Page 44: ...03 Register now to activate your warranty www andrewswaterheaters co uk register a warranty Please make sure you attach proof of purchase for your warranty to be monitored All descriptions and illustrations provided in this document have been carefully prepared but we reserve the right to make changes and improvements in our products which may affect the Conditions of Sale which are available on r...

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