Whale Expanse Underfloor Gas Water Heater Kit - SETWL8211A

An underfloor gas water heater system offering fast heat up times and great heat retention, ideal for van conversions and panel vans.

This externally mounted heater ensures valuable onboard space is not taken up. The exhaust can be ducted through the floor of the vehicle, avoiding the need to cut any holes.

This water heater is supplied with a round control panel and LIN cable.

• Nominal Water Capacity: 8 litre

• Gas: Butane/Propane 30mbar - CAT I3B/P (30)

• Classification of Storage Water Heater: Type: C13

• Nominal Heat Input: Gas 1.35kW

• Standby Consumption: Gas 43W

• Nominal Voltage: 12V d.c. (10.1 Volt d.c. min. to 14.9 Volt d.c. max.)

• Maximum Current d.c: 0.48 Amps (0.03 Amps 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 Floor Thickness: 47mm

• Ingress Protection Rating: IP45

• Dry Storage Temperature: -20°C to 70°C

• Maximum Water Temperature: Approx. 72°C

• Typical heating up times from 15°C to 70°C: Approx. 26 minutes.

PLEASE 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).

Installation Instructions:

1. Preparation:

   • Safety First: Ensure all power sources (gas and electricity) are turned off before beginning the installation.
   • Read the Manual: Familiarize yourself with the manufacturer's installation instructions. The comprehensive guide is available here:
     

2. Selecting the Installation Location:

   • Accessibility: Choose a location that allows easy access for maintenance and operation.
   • Ventilation: Ensure adequate ventilation around the unit to prevent overheating.
   • Structural Integrity: The mounting surface must support the weight of the heater when filled with water.

3. Mounting the Water Heater:

   • Positioning: Place the heater on the selected surface, aligning it according to the manufacturer's specifications.
   • Securing: Use appropriate fasteners to secure the heater firmly. Refer to the installation guide for specific mounting instructions.
     

4. Connecting the Flue System:

   • Flue Installation: Install the flue as per the manufacturer's guidelines to ensure safe expulsion of exhaust gases.
   • Sealing: Ensure all flue connections are sealed properly to prevent gas leaks.

5. Plumbing Connections:

   • Cold Water Inlet: Connect the cold water supply to the inlet port using suitable fittings.
   • Hot Water Outlet: Connect the hot water outlet to the distribution system.
   • Pressure Relief Valve: Install the pressure relief valve as instructed to ensure safe operation.

6. Electrical Connections:

   • Power Supply: Connect the heater to a suitable electrical supply, ensuring compliance with local electrical codes.
   • Control Panel: Install the control panel in a convenient location and connect it to the heater as per the wiring diagram provided.

7. Gas Connections:

   • Gas Supply: Connect the gas supply line to the heater, ensuring all connections are tight and leak-free.
   • Testing: After installation, test all gas connections for leaks using a suitable leak detection solution.

8. Final Checks:

   • System Testing: Turn on the water supply and check for leaks. Fill the heater with water before powering it on.
   • Operational Test: Power on the heater and verify that it operates correctly in both gas and electric modes.