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Whale
Gas & Electric
Water Heater
More Heat, More Space, More Control*
Suffix
Model Number
B or R or C
WW0801U
B or R or C
IW0801U
DW0801U
B or R or C
WW0801O
IW0801O
B or R or C
DW0801O
Suffix
B
R
C
Thank you for purchasing this Whale® product. For over 60 years Whale has led the way in the design and manufacturer
of water and waste systems including:-plumbing, faucets, showers, pumps and heating for mobile applications. Today's
range features space and water heaters for caravans and motorhomes. The company and its products have built a
reputation for quality, reliability and innovation backed up by excellent customer service.
For information on our full product range visit: www.whalepumps.com
* More Heat, More Space, More Control compared to previous Whale Heating System Models
All Whale gas products must be installed by a Qualified Gas Engineer in
accordance with the installation instructions and BS EN 1949-2011.
All work must be carried out by a competent person as defined by
BS7671 PART2.
Please note if incorrectly installed a risk of electrocution exists.
Expanse™
®
Underfloor Installation Models
Underfloor Gas and Electric Water Heater (Install with Whale® Water Heater Control Panel)
Underfloor Gas and Electric Water Heater (Install with Whale iVan® Control Panel)
R
Underfloor Gas and Electric Water Heater (Install with Whale® Duo Control Panel)
Onboard Installation Models
Onboard Gas and Electric Water Heater (Install with Whale® Water Heater Control Panel
Onboard Gas and Electric Water Heater (Install with Whale iVan® Control Panel)
R
Onboard Gas and Electric Water Heater (Install with Whale Duo Control Panel)
Description
Bulk Packaging
Returnable Packaging
Commercial Packaging
INSTALLATION AND
USER INSTRUCTIONS
Description
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Summary of Contents for Munster Simms Engineering Ltd. Whale Expanse WW0801U
- Page 1 INSTALLATION AND USER INSTRUCTIONS Whale Expanse™ ® Gas & Electric Water Heater More Heat, More Space, More Control* Suffix Model Number Description Underfloor Installation Models B or R or C WW0801U Underfloor Gas and Electric Water Heater (Install with Whale® Water Heater Control Panel) B or R or C IW0801U Underfloor Gas and Electric Water Heater (Install with Whale iVan®...
- Page 2 CONTENTS Principles of Operation Specification Application Warnings Parts List Instructions for Installation Instructions for Use Maintenance Trouble Shooting Winterising and Draining Service Support Details EU Declaration of Conformity Patents and Trademarks Warranty LIST OF IMAGES Fig. 1 Components Drawing Fig. 2 Dimensions –...
- Page 3 PRINCIPLES OF OPERATION The Whale® Expanse™ Water Heater is a gas and electric storage Water Heater. Expanse™ can be installed internally, inside the vehicle or externally, under the vehicle. The unique design has an 8 litre capacity hot water tank which incorporates versatile controls to deliver low current draw or fast heat up settings.
- Page 4 APPLICATION The Whale® Expanse™ Water Heater has been designed for caravan, motorhome and mobile applications, and is suitable for small and medium sized recreational vehicles only. It is only suitable for use in recreational vehicles i.e. caravans and motorhomes, but is not suitable for use in caravan holiday homes e.g. mobile homes and static caravans.The compact and lightweight 8L tank can be fitted under the floor or internally and has a variety of power input for rapid heat up times.
- Page 5 PARTS LIST Onboard Mounted Models Underfloor Mounted Models Water Heater Water Heater with Mounting Feet Braided Hose Warranty Registration Card Instruction Manual Including Installation Templates Note DW models: Braided Hose 12mm A reset module is supplied instead of a wireless PCB Wireless PCB Cover Wireless PCB ...
- Page 6 DIMENSIONS Underfloor Models Whale Part Number: WW0801U (Suffix: B or R or C) or IW0801U (Suffix: B or R or C) or DW0801U (Suffix: R) Cold Water In Drain Lever / Pressure Relief Valve Water Heater Mounting Point Mounting Point Gas In Cold Air Inlet Exhaust Outlet...
- Page 7 DIMENSIONS Onboard Mounted Models Whale Part Number: WW0801O (Suffix: B or R or C) or IW0801O (Suffix: B or R or C) or DW0801O (Suffix: R) Cold Water In Drain Lever / Pressure Relief Valve Water Heater Gas In Cold Air Inlet Exhaust Outlet Onboard Mounting Feet 18mm...
- Page 8 INSTALLATION INSTRUCTIONS - UNDERFLOOR MODELS Whale Part Numbers: WW0801U (Suffix: B or R or C) or IW0801U (Suffix: B or R or C) or DW0801U (Suffix: R) Step 1 Find Suitable Location For Water Heater Installation Consider the following 9 points: For weight distribution in caravans, the Water Heater must be positioned as close to the axle as possible.
- Page 9 INSTALLATION INSTRUCTIONS - UNDERFLOOR MODELS Whale Part Numbers: WW0801U (Suffix: B or R or C) or IW0801U (Suffix: B or R or C) or DW0801U (Suffix: R) The vehicle floor cut out must be reinforced with wooden batons (minimum 22mm wide, not supplied) around the edge of the vehicle floor cut out.
- Page 10 INSTALLATION INSTRUCTIONS - UNDERFLOOR MODELS Whale Part Numbers: WW0801U (Suffix: B or R or C) or IW0801U (Suffix: B or R or C) or DW0801U (Suffix: R) Step 4 Connect Water Heater to Flues Attach the exhaust flue to the Water Heater by pushing over the flue exhaust outlet on the Water Heater.
- Page 11 INSTALLATION INSTRUCTIONS - UNDERFLOOR MODELS Whale Part Numbers: WW0801U (Suffix: B or R or C) or IW0801U (Suffix: B or R or C) or DW0801U (Suffix: R) Step 5 Attaching the Flue Terminal to the Vehicle A wooden spacer may be required to locate the flue terminal below the side valence. Attach the flue terminal with 2 x No.8 x ¾”...
- Page 12 INSTALLATION INSTRUCTIONS ONBOARD MOUNTED MODELS Whale Part Numbers: WW0801O (Suffix: B or R or C) or IW0801O (Suffix: B or R or C) or DW0801O (Suffix: R) Step 1 Find Suitable Location For Water Heater Installation Consider the following 8 points: For weight distribution in caravans, the Water Heater must be positioned as close to the axle as possible.
- Page 13 INSTALLATION INSTRUCTIONS ONBOARD MOUNTED MODELS Whale Part Numbers: WW0801O (Suffix: B or R or C) or IW0801O (Suffix: B or R or C) or DW0801O (Suffix: R) Step 3 Connect Water Heater to Flues Attach the exhaust flue to the Water Heater by pushing over the flue exhaust outlet on the Water Heater.
- Page 14 INSTALLATION INSTRUCTIONS ONBOARD MOUNTED MODELS Whale Part Numbers: WW0801U (Suffix: B or R or C) or IW0801U (Suffix: B or R or C) or DW0801U (Suffix: R) Step 4 Attaching the Flue Terminal to the Vehicle A wooden spacer may be required to locate the flue terminal below the side valence. Attach the flue terminal with 2 x No.8 x ¾”...
- Page 15 INSTALLATION INSTRUCTIONS - ONBOARD MOUNTED MODELS Whale Part Numbers: WW0801O (Suffix: B or R or C) or IW0801O (Suffix: B or R or C) or DW0801O (Suffix: R) Step 5 Fit The Water Heater to The Floor Place the Water Heater on the vehicle floor, feed the attached flue, fixed drain pipe and drain pipe through the cut out holes in the vehicle floor.
- Page 16 INSTALLATION INSTRUCTIONS - ALL MODELS Step 6 Connect to Gas Supply Please Note: Ventilation must comply with relevant local requirements, e.g. EN 721. Gas Valve and connections are to be supplied by the fitter. Adequate gas drop out vents must be installed in the vicinity of the gas connection. The appliance must be installed in accordance with the installation instructions and must comply with any relevant regulations in the country where the appliance is installed.
- Page 17 INSTALLATION INSTRUCTIONS - ALL MODELS Step 7 - Option 2 - Option 3 - Installing With Whale® Duo Control Panel Installing With Whale® iVan® Wireless Control Panel Table 2A: Showing Electrical Connections when Table 2B: Showing Electrical Connections when fitted with Whale® Duo Control Panel fitted with Whale®...
- Page 18 INSTALLATION INSTRUCTIONS - ALL MODELS Step 10 Connect Hot Water Supply (see Fig. 32). To connect the hot water outlet to Whale® 12mm semi-rigid tubing, use the Whale® braided hose (supplied) and a Whale® 12mm Equal Straight fitting (Whale Part Number: WU1204). For connecting to 13mm (½”) flexible tubing use a Whale®...
- Page 19 INSTRUCTIONS FOR USE To the User: Read the following instructions carefully. Observe All Warnings. Never operate the Water Heater without water in it. This appliance must not be connected directly to the mains water supply without a pressure regulator fitted, or any water supply greater than 190 kPa (1.9 bar). Ensure that the caravan water system, including this Water Heater is full of water and that the vehicle is level before operating.
- Page 20 Protection Against Frost. If the Water Heater is not going to be used for more than 3 days, isolate the gas supply, by ensuring the gas shut off valve is closed and that the mains gas supply is turned off. The Water Heater must be fully drained if there is a risk of freezing (unless Frost Protection is selected on the control panel).
- Page 21 Table 3: Whale Water Heater Control Panel Functions Symbol Setting Description Water Heater will be off. Water Heater will operate on gas. There will be a pre-purge time of around 20 seconds before ignition. When the gas is lit, the green LED will be illuminated.
- Page 22 Operating the Water Heater 1. From the home screen, touch the ‘tap’ icon 2. Select the desired setting by touching one of the icons. The icon will turn green to show it has been activated. 3. Eco mode can be selected to maintain water temperature at an environmentally friendly 50 to 55°C. Operating the Space Heater 1.
- Page 23 TROUBLE SHOOTING Option 1 - Whale Water Heater Control Panel The heater is equipped with an electronic diagnostic system which will detect fault conditions ranging from poor gas or d.c. supply to internal heater malfunctions. In the unlikely event of a failure, the red light on the control panel will flash a number of times, pause, and repeat until switched off.
- Page 24 Option 2 - Whale Duo Control Panel In the unlikely event of a failure, the red ‘!’ symbol on the Control Panel will light. To identify the lockout press and hold the Water Heater Function Button. The temperature control bars will light to indicate the fault code e.g if 1 bar lights, the fault code is 1, if 2 bars lights, the fault code is 2 etc.
- Page 25 Option 3 - Whale iVan® Control Panel iVan® is equipped with an electronic diagnostic system which will detect fault conditions ranging from poor gas or d.c. supply to internal Water or Space Heater malfunctions. In the unlikely event of a fault, this will be indicated by a red ‘!’...
- Page 26 Table 5: Water Heater Fault Screens (Continued) Fault Fault Screen Solution Minimum operating voltage is 10V d.c., “Voltage Supply fault” (4) maximum is 15V d.c., when measured at the Water Heater. Check battery voltage. If between 10V d.c. and 15V d.c., check connections between Water Heater and battery.
- Page 27 EU DECLARATION OF CONFORMITY Description of Equipment: Gas and Electric Storage Water Heater Manufacturer’s Declaration We hereby declare, under our sole responsibility, that the above equipment complies with the provisions of the following EC Directives: Gas Appliance Regulation (EU) 2016/426 (GAR) on the approximation of the laws of the Member States relating to appliances burning gaseous fuels.
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