Whale WH0802 Guide

Thank you for purchasing this Whale® product.
For over 60 years Whale has led the way in the design and manufacturer of freshwater and waste systems
including:- plumbing, faucets, showers and pumps for low voltage applications. 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
CONTENTS
1. Principles of Operation
2. Specification
3. Application
4. Warnings
5. Parts List
6. Instructions for Installation
7. Instructions for Use
8. Maintenance
9. Trouble Shooting
10. Winterising
11. Service Support Details
12. EU Declaration of Conformity
13. Patents and Trademarks
14. Warranty
LIST OF IMAGES
Fig. 1 Components Drawing
Fig. 2 Dimensions – Side View
Fig. 3 Dimensions – Plan View
Fig. 4 Dimensions – Front View
Fig. 5 Installation Locating Diagram
Fig. 6 Cut Out Hole For Flue
Fig. 7 Flue Dimensions
Fig. 8 Reinforce Flue Hole
Fig. 9 Flue Sealing
Fig. 10 Attaching Flue Box
Fig. 11 Installation And Securing Of Flue Cover
Fig. 12 Connect Water Heater To Flue
Fig. 13 Water Heater Position
Fig. 14 Fitting The Drain Valve
Fig. 15 Secure Water Heater To Floor
Fig. 16 Connect To The Gas Supply
Fig. 17 Insert Control Panel
Fig. 18 Secure Control Panel
Fig. 19 Installed Control Panel
Fig. 20 Connect 12V d.c. Connector
Fig. 21 Mains Electrical Connection
Fig. 22 Mains Connection
Fig. 23 Connect Cold Water Supply
Fig. 24 Installed Cold Water Supply
Fig. 25 Connect Braided Hose
Fig. 26 Connect Hot Water Supply
Fig. 27 Completed Installation - Vehicle Manufacturer Version
Fig. 28 Completed Installation - Retail Version
Fig. 29 Whale Water Heater Control Panel
Fig. 30 Whale Duo Control Panel
Fig. 31 Whale iVan® Control Panel
Gas and Electric Water Heater
INSTALLATION & USER INSTRUCTIONS
WH0802 / WH0802B / WI0802B
1

2. SPECIFICATION
1. PRINCIPLES OF OPERATION
2
The Whale® 8L Water Heater is a gas and electric storage water heater. The unique design has a 8.5L capacity hot
water tank and incorporates versatile controls for low current draw or fast heat up settings. With robust insulation and
no removable flue cover the Whale® Water Heater only requires minimal maintenance.
Read the following carefully before installation
Model: WH0802 / WH0802(B) / WI0802B
Maximum dimensions inside RV: Height: 258mm, Width: 330mm, Length: 330mm, Dry Weight: 8.0kg
Nominal Water Capacity 8.5L
Gas: Butane 28-30mbar, Propane 37mbar - CAT I3+ (29/37)
Butane/Propane 30mbar - CAT I3B/P (30)
Classification of Storage Water heater: Type: C11 (Natural draft)
Nominal Heat Input: Gas 1.25kW
Standby Consumption Gas 98W
Nominal Heat Input Electric 1.5kW
Electric: 230V a.c. 50 Hz 750/1500W
Maximum Current a.c.: 6.5 Amps
Nominal Voltage: 12V d.c. (10.0V d.c. min. to 15V d.c. max.)
Maximum Current d.c.: 0.36Amps (0.01Amps on standby)
Maximum Water Supply Pressure: 190kPa (1.9 Bar)
Rated Pressure 300kPa (3.0 Bar)
Pressure Relief Valve Setting: 300kPa (3.0 Bar)
Maximum Caravan Side Wall Thickness: 47mm
Ingress Protection Rating: IPX1
Note: If connecting to mains water supply, a suitable water pressure regulator must be connected to ensure that the
maximum supply water pressure does not exceed 190kPa (1.9 Bar).
Dry Storage Temperature: -20°C to 70°C
Maximum Water Temperature: Approx. 70°C
Typical heating up times from 15°C to 70°C: Gas and both electric elements approx. 15 min.
Two electric elements only approx. 24 min, Gas only approx. 33 min.
Whale’s policy is one of continuous improvement and we reserve the right to change specifications without prior
notice.

3. APPLICATION
4. WARNINGS
3
The Whale® Water Heater has been designed for caravan, motorhome and mobile applications, and is suitable for
small and medium sized recreational vehicles. It is only suitable for use in road vehicles i.e. caravans and
motorhomes but is not suitable for use in caravan holiday homes i.e. mobile homes and static caravans.
The compact and lightweight 8L tank fits in confined spaces and has a greater power input for rapid heat up times.
Do not operate the appliance while the vehicle is in motion.
This symbol indicates that this appliance is suitable for use in Leisure Accommodation Vehicles.
This symbol indicates that this appliance is not suitable for use in boats.
Observe all warnings.
In the unlikely event of leaks in the gas system, or if there is a smell of gas:
• Extinguish all naked flames
• Switch off all appliances and do not operate any electrical switches
• Open windows and doors for ventilation
• Do not smoke
• Shut off gas connection
The system must be thoroughly checked by a Whale® Service Engineer or Whale Approved Service Centre or by a
member of the Whale Service Engineer Network.
The Water Heater must not be operated in the following situations:
• When refuelling the vehicle or refuelling the vehicle towing the caravan or any other appliance.
• When the vehicle in which the Water Heater is installed is in motion.
• When the vehicle in which the Water Heater is installed in a confined space (such as a garage).
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 must be supervised to ensure that they do not
play with the appliance.
Before operating the Water Heater, the user must ensure that the caravan water system, including Water Heater is
full of water, and that the vehicle is level.
This appliance must be fully drained if there is a risk of frost. Frost damage will not be covered by warranty.
The water temperature cannot be adjusted. It is automatically set to approximately 70°C and controlled by the PCB to
prevent bacteria growth. To avoid scalding, the temperature of the hot water supplied to the taps and showers must
be controlled. Do not use the water as drinking water.
Any alteration to the appliance, including flue plate, use of non-Whale® spare parts/accessories and non-observation
of the installation and operation instructions will lead to cancellation of the warranty and exclusion of liability claims
and results in it becoming illegal to use the appliance.
Please note: That incorrect installation or use of non-original Whale® parts may invalidate the warranty. It also
becomes illegal to use the appliance if incorrectly installed, and in some countries this even makes it illegal to use
the vehicle.

5. PARTS LIST
4
Fig.1 Components Drawing
WH0802 WH0802B WI0802B
Water heater 1 1 1
Flue assembly inc. 6 screws 1 1 1
Control panel inc. 4 screws 1 1 1
3.5m control panel extension cable 1
Pressure relief / Drain valve 1 1 1
1 Male adaptor 3/8" flexible hose plumbing fitting 1
2 Male adaptor 1/2" flexible hose plumbing fitting 1
Warranty registration card 1 1 1
Instruction manual inclusing installation templates 1 1 1
Instruction manual storage pocket, with adhesive fixing strip 1

Vehicle Floor
Water Heater
Side Wall
To the Fitter:
Installation and servicing of this appliance must only be carried out by competent persons registered with the Gas
Safe Register (GB) or the relevant national organisation, in accordance with the relevant regulatory and safety
requirements.
Before installation, ensure the appliance has been supplied in good condition and if damaged, do not install and
contact Whale® Support [phone].
A competent person must install the appliance in accordance with the appliance installation instructions. This
appliance is for use with LPG (see appliance data plate) and mains electricity (230V a.c.). Check that the product is
suitable for the intended application. In particular, the installer must check the compatibility of the data plate
information with the LPG supply requirements of the vehicle. Follow these installation instructions and ensure all
relevant personnel read the points listed below. Also ensure that these operating instructions are passed on to the
end user.
Please note: The appliance must be installed in accordance with any relevant regulations in the country where the
appliance is installed. For this appliance in Europe the standard is BS EN 1949:2011 “Specification for the Installation
of LPG Systems for Habitation Purposes in Leisure Accommodation Vehicles and in Other Road Vehicles”.
Fig. 2 Dimensions - Side View
Fig. 3 Dimensions - Plan View
Fig. 4 Dimensions - Front View
6. INSTRUCTIONS FOR INSTALLATION
5
Drain Valve Discharge Pipe
Gas In
Drain Valve Operating Lever Cold Water In
Hot Water Out

6
Fuel refuelling
/ breather vent
PLEASE NOTE: Step i to vii
for information on Water
Heater and Flue Locations.
KEY
Prohibited area for
Water Heater flue
Step 1 Find Suitable Location For Water Heater Installation
Consider the following 7 points:
i. Where possible, for weight distribution in caravans, the Water Heater must be positioned as close
to the axle as possible. The installer must avoid locating the Water Heater at the very rear and the
very front of the vehicle.
ii. Ensure the pressure relief valve / discharge pipe can be located through the floor without fouling
chassis members etc.
iii. Ensure that any surfaces in contact with the Water Heater are rated to at least 70 degrees C.
iv. Ensure that the location allows access for servicing the Water Heater.
v. In selecting the Water Heater location, ensure that the flue terminal will be located on a flat and
exposed outside surface, avoiding trim strips.
vi. Ensure that the flue terminal can be positioned at the side of the vehicle that an awning will never be
fitted to.
vii. Only the supplied flue terminal is permitted to be used in conjunction with this Water Heater. This flue
must not be positioned within 300mm of a refuelling point or fuel tank breather outlet or any
ventilator from the fuel system(s). The flue terminal must not be fitted within 300mm of a ventilator
for the living space or an opening part of a window.
Fig. 5 Installation Locating Diagram
The flue terminal must only be positioned vertically below an opening part of a window if the appliance is fitted with
an automatic shut-off device to prevent operation when the window is open. The flue terminal must still be a
minimum of 300mm below the window.
Step 2 Cut Out Hole For Flue
See the flue template supplied with the Water Heater.
i) Position template on the inside of the wall with side ‘A’ visible, then drill hole at centre position marked ‘X’ on the
template.
ii) Position the template on the outside of the wall with side B visible, locate over the drilled position hole ‘X’, and
ensure the template is level. Ensure that the flue outline is on a flat surface avoiding trim strips etc.
If the flue needs mounted in a higher position, the Water Heater mounting board can be raised to suit provided there
is sufficient height available.
iii) Drill four 6mm corner holes and cut aperture using flue template (provided) as a guide.
Fig. 6 Cut Out Hole For Flue Fig. 7 Flue Dimensions

iv) Reinforce the cut out with wooden batons (minimum 20mm wide).This may require insulation in the wall to be
removed.
Fig. 8 Reinforce Flue Hole
Step 3 Attaching The Flue To The Caravan
Apply sealant to seal flue box on the caravan side wall of the flue sealing face, ensuring each screw hole is
surrounded by sealant. Secure flue with the 6 screws (No. 8 x 3⁄4”) provided and remove excess sealant.
Step 4 Attaching The Flue Cover
Clip the top of the flue cover onto the back box and secure with two screws (No.6 x 1⁄2”) provided.
Step 5 Connect Water Heater to Flue
Set Water Heater on the floor and slide fully into flue as shown (see Fig. 12).
7
Fig. 9 Sealing the Flue to Caravan
Fig. 10 Attaching Flue Box
Fig. 11 Installation and Securing of Flue Cover
Fig. 12 Connect Water Heater to Flue (Plan View)
Fig. 13 Water Heater Position
Flue Hole Wooden Batons
Flue Hole
Flue Box
Screw Hole
Flue Box
Screw Hole
Screw Hole
Screw Hole
Screw Hole
Screw Hole
Screw Hole Screw Hole
Flue Cover
Flue Hole Inside Wall
Water Heater Outside Wall
Flue Cover
Wall Interior
Water
Heater
Air Inlet
Air Outlet

Step 6 Fitting the Drain Pipe (see Fig. 14)
When the Water Heater is in place on the floor, mark a location for where the pressure relief / drain valve discharge
pipe will come through the floor. Carefully remove the Water Heater and drill a hole in the floor, minimum diameter
20mm, ensuring that there are no obstructions on the underside of the vehicle i.e. gas pipes, chassis members etc.
Refit the Water Heater, inserting the discharge pipe in the hole and ensure that it is left open to the atmosphere at all
times.
Fig. 14 Fitting the Pressure Relief / Drain Valve
Step 7 Secure Water Heater to Floor
To secure the Water Heater to the floor, use 4 screws (No. 8 x 1 ¼“) provided (see Fig. 15).
Fig. 15 Secure Water Heater to Floor
Step 8 Connect to Gas Supply (see Fig. 16)
Ventilation must comply with relevant local requirements e.g. EN 721. Please note: Valve and connection (shown in
Fig. 16) are not included.
Pressure relief / drain valve
Pressure relief / drain valve
Water Heater
Mounting Board
Water Heater
Mounting Board
Screw Hole
Screw Hole
Screw Hole
Pressure relief / drain valve
Discharge pipe
Discharge Pipe
Gas Valve
Gas Connection
8
Discharge Pipe
Fig. 16 Connect to Gas Supply

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.
Both the gas pipe of the Water Heater and the main gas supply pipe must be checked to ensure that it is clear from
dirt or other particles. A compression fitting must be used to fit the gas supply to the copper gas pipe of the Water
Heater. The supply pipe must be positioned to ensure the Water Heater can be removed for servicing.
A gas shut- off valve must be located in the vicinity of the Water Heater and all connections must be kept to a
minimum.
WARNING: The operating pressure for the gas supply must be either 28-30mBar Butane or 30mbar/37mbar
Propane.
Step 9 Installing Whale® Control Panel (see Figs. 17-19)
Option 1 - Installing Whale®Water Heater Control Panel
Option 2 - Installing Whale®Duo Control Panel
Option 3 - Installing Whale iVan®Wireless Control Panel
When mounting the Whale® Control Panel find a suitable convenient and accessible position. Ensure suitable access
for wiring loom connection and cable. Note that the cable supplied to connect the Control Panel to the Water Heater
is 3.5m long. The minimum depth behind the Panel for wiring must be 50mm. If using a Control Panel specific to the
vehicle manufacturer or the vehicle, the electrical connections must be made in accordance with Step 10.
Option 1 - Installing Whale®Water Heater Control Panel
The Whale Water Heater Control Panel requires a cut out 45mm high x 35mm wide. Feed the wires through the
Control Panel mounting frame (see Fig.17) and line up the holes with the Control Panel. Feed the wires through the
cut out in the wall and locate into desired position. Secure with 2 screws (No.4 x 3⁄4) provided, then clip on the
surround frame.
In some instances, it may be necessary to make the wiring connections in Step 9 before securing the Control Panel
to the wall. Please note: It may be possible to retrofit the Whale® control panel into existing frames.
Fig. 17 Insert Control Panel Fig. 18 Secure Control Panel Fig. 19 Installed Control Panel
Option 2 - Installing Whale®Duo Control Panel
The Whale Duo Control Panel requires a cut out 118mm wide x 64mm high. Feed the wires through the cut out in the
wall and locate into desired position. Secure with 2 screws (No.4 x 3⁄4) provided, then clip on the Surround Frame.
In some instances, it may be necessary to make the wiring connections in Step 11 before securing the Whale® Duo
Control Panel to the wall.
Option 3 - Installing Whale iVan®Wireless Control Panel
When installing the Whale iVan®Control Panel, find a suitable convenient and accessible position.
For good temperature control, select a central position away from draughts, direct sunlight and approximately 1.5
metres above the floor. Ensure suitable access for connecting to the 12V d.c. supply. The minimum panel cut out
depth for the controller and wiring must be 15mm.
9

10
Wire Number Description Wire Colour
1Switch common Brown
2Burner switch Blue
3Immersion 1 switch Green
4Immersion 2 switch Grey
5Burner LED Orange
6Lockout LED Violet
712v supply Red
80v supply White
i. Position the supplied cutting template in the chosen location and temporarily secure with low tack adhesive.
Using a suitable 10mm drill bit, drill through the template and the panelling behind, in the four corners
marked on the template. Then cut out the rectangular shape by cutting along the dotted lines. Finally, drill the
4 screw holes with a 2mm drill bit. Discard the remains of the cutting template.
ii. Feed the wires through the newly cut hole, and position the controller so that the screw holes line up with
those that have been drilled. Secure in place with the 4 small screws supplied (No.6 × ⅝” pan head screws).
iii. Connect the positive and negative wires from the back of the controller into the vehicle’s electrical system
through a 1 Amp automotive fuse.
Please Note: The manufacturer cannot be held responsible for claims arising from incorrect installation, unauthorised
modification or misuse of this product.
Reconnect / turn on the power supply. The iVan® Control Panel will turn on. You will be asked to set the time.
To Set the Time:
Press and hold the Home Button to enter the ‘Setup and Options’ screen•
Touch ‘Set Clock’•
Adjust the time with the + and - keys, and select to adjust hours or minutes with the left and right arrows.•
Press the ‘Home’ button to return to the ‘Home’ screen.•
Connecting iVan®to the Heaters:
Turn on the Water Heater, Space Heater and Control Panel at the same time by using the master switch in the
vehicle. When the Water Heater, Space Heater and Control Panel are switched on (it is important that they turn on at
the same time), within a few seconds “A Water Heater has been found” and “A Space Heater has been found”
message will appear on the screen. Press OK both times and the Water and Space Heater will be paired to the
Control Panel.
Step 10 Electrical Connections 12V d.c.
WARNING: Always disconnect the appliance from the power supply prior to working on electrical components.
The Water Heater and Control Panels come complete with electrical connectors fitted.
The Whale® Water Heater and Control Panels are designed to be integrated into the caravan’s wiring loom. The
Water Heater is provided with a JST VL series 8 way socket, and the Control Panels with a JST VL 6 way socket. 6
wires are required to connect the Water Heater to the Control Panel. The 12V d.c. and 0V d.c. power supply must be
connected to the 8 way socket.
Please note: Whale recommends that a 5 amp fuse is fitted in the 12V supply.
Table 1: Connections at Water Heater
Please Note: The water may drip from the discharge pipe of the pressure-relief valve during heating up. This pipe
must be left open to the atmosphere, must be installed in a continuously downward direction and in a frost-free
environment. The pressure relief valve must be operated regularly (at least twice a year) by turning the yellow lever
in the clockwise direction, to remove lime deposits and to verify that it is not blocked.