Ranein 2025 GEN II On-Demand 65,000 BTU RV Tankless Water Heater - ExploreFlow Max User Manual

1. Kupu Whakataki

This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Ranein 2025 GEN II On-Demand 65,000 BTU RV Tankless Water Heater, ExploreFlow Max model. Please read this manual thoroughly before installation and use, and retain it for future reference.

The Ranein ExploreFlow Max is designed to provide continuous hot water for recreational vehicles, featuring high altitude readiness, a multi-function controller, a thermostatic chamber, and an external shower head.

Image 1.1: Ranein ExploreFlow Max RV Tankless Water Heater with included accessories.

2. Nga korero haumaru

WHAKATŪPATO: Ko te whakaurunga, te whakatikatika, te whakarereketanga, te ratonga, te tiaki ranei ka taea te kino o nga rawa, te whara, te mate ranei. Pānuihia nga tohutohu whakaurunga, whakahaere me te tiaki i mua i te whakauru, te mahi ranei i tenei taputapu.

• Ensure all gas and water connections are properly sealed and leak-tested before operation.
• Always turn off the power and gas supply to the unit before performing any maintenance or service.
• Kaua e penapena, e whakamahi ranei i te penehīni, i etahi atu kohu me nga wai e mura ana ki te taha tata o tenei taputapu ranei.
• Maintain minimum clearances: 4 inches back, 6 inches sides, 4 inches top.
• This unit is CSA-certified for safety.
• Includes a built-in pressure relief valve; no separate purchase needed.

3. Nga Hua o te Hua

• Wai Wera Mutunga Kore: Advanced deep fire row design for maximum heating efficiency, delivering up to 3.9 GPM at 65,000 BTU.
• Whakakapinga ngawari: Designed to replace most RV water heaters (including Suburban & Atwood 6/10/12-gallon models) with a 12.8" x 12.8" opening. Compatible door kits (15" x 15", 15" x 18", or 18" x 18") are available separately.
• Enhanced Multi-Function Remote Control: Displays real-time gas usage, voltage, water flow rate (GPM), anti-freeze activation status, and supports operation at high altitudes up to 9,800 feet.
• Thermostatic Chamber: Ensures consistent water temperature by automatically adjusting heat output, preventing sudden fluctuations.
• Pet-Friendly Shower Kit: Includes a convenient shower head attachment for washing pets or outdoor gear.
• Haumaru me te Whakapono: Features a top-mounted exhaust fan for stable combustion, automatic gas shut-off if flames fail, and an anti-freeze system that activates below 42.8°F.

Whakaahua 3.1: Ka mutuview of key features of the Ranein RV Tankless Water Heater.

Image 3.2: Details on the 2025 GEN II performance upgrades for the water heater.

4. Whakatakotoranga

Whakaahua 4.1: Whakaaturanga ā-kanohi o ngā rahinga hua me ngā whakatakotoranga matua.

5. Tohutohu Tāuta

Proper installation is crucial for the safe and efficient operation of your Ranein RV Tankless Water Heater. If you are unsure about any step, consult a qualified technician.

5.1. Whakaritenga

• Wear protective gloves to prevent scratches during handling.
• Ensure the RV's power and gas supplies are turned off before beginning installation.
• The water heater requires a 12.8" x 12.8" opening. If replacing an existing unit, ensure the opening matches or is adapted.
• Apply butyl tape continuously around the flange backside and corners of the water heater for a secure seal.

5.2. Water and Gas Connections

1. Place the water heater into the RV water heater opening. If you have a larger opening, install the water heater on the right side of the opening.
2. Remove the protective covers from the HOT Water Outlet and COLD Water Inlet.
3. Connect the water pipes to the back of the water heater. Ensure to check the direction of water flow in the RV's pipes first to avoid reversing the connection. Tighten fittings with a wrench.
4. Connect the gas pipe to the back of the water heater. Tighten the fitting with a wrench.
5. After connecting, turn on the gas and check for leaks with a detector or bubble water. If bubbles appear, there is a gas leak that must be repaired immediately.

Image 5.2: Connection diagram for water, gas, and power supply.

5.3. Hononga Hiko

1. When connecting to a power source, turn off the power to the RV first.
2. Turn the power switch (boat switch) on the front of the water heater to "OFF".
3. The two blue wires on the back of the water heater are for the remote control. Connect them to the wires of the remote control using wire connectors and stripper pliers.
4. Connect the power supply wires (black and white wires on the rear of the water heater) to the appropriate nominal 12V DC power source connection. The black wire connects to the positive terminal (+12V) and the white wire connects to the negative terminal (-12V) of the power supply.

5.4. Door Frame Installation

The water heater is compatible with various door sizes. Ensure you have the correct door kit for your RV.

• Whakauruhia te kopa o te kuaha ki roto i te whare whakamahana wai ka pehia te kopa ki te pakitara taha.
• Secure the door flange with screws.
• Apply a liberal amount of sealant around the door frame to all any gaps in the RV wall. Wipe any excess adhesive.
• For 15"x18" or 18"x18" doors, it is recommended to install wood strips (not included) on the left side of the water heater for reinforcement.

Image 5.3: RV opening and compatible door kit dimensions.

5.5. Wall Controller Installation

1. Fix the installation board to the wall with screws.
2. Clip the monitor (multi-function remote control) into the installation board.

Image 5.4: The multi-function remote control for the water heater.

6. Mahi

After successful installation, follow these steps to operate your Ranein RV Tankless Water Heater:

1. Me whakarite kia mau te hononga wai me te hau katoa, ā, kia kore e turuturu.
2. Turn on the power to the RV and then to the water heater using the power switch on the unit's front.
3. Whakakāhia te tuku hau.
4. Turn on the water supply to the RV.
5. Use the multi-function remote control to set your desired water temperature. The display will show inlet/output temperatures, set temperature, voltage, water flow rate (GPM), and anti-freeze status.
6. The unit will automatically adjust heat output to maintain consistent water temperature thanks to its thermostatic chamber.
7. For high altitude operation (up to 9,800 feet), activate the high altitude mode via the remote control.
8. The anti-freeze system will activate automatically if the temperature drops below 42.8°F.

Image 6.1: The water heater provides hot water for multiple applications.

7. Tiaki

Ko te tiaki i nga wa katoa ka mau te roa me te mahi tino pai o to whakamahana wai.

• Te takurua: If the unit is to be stored in a freezing environment or for long periods of time, it must be winterized. Drain all water from the unit and pipes to prevent freezing damage. Consult a qualified technician if unsure.
• Te horoi: Periodically clean the exterior of the unit. Do not use abrasive cleaners.
• Tiaki Tātari: Regularly check and clean the water inlet filter to prevent blockages.
• Gas System Check: Annually inspect gas connections and hoses for wear or leaks.
• Tohu Whakaaetanga Taumaha: The built-in pressure relief valve will automatically drain excess water if pressure is too high. Ensure the outlet is not obstructed.

8. Te Raru

Kei roto i tēnei wāhanga ngā otinga mō ngā take noa. Mō ngā raruraru kāore i te rārangihia i konei, whakapā atu ki te tautoko kiritaki.

9. Pūtāhui me te Tautoko

Ranein offers comprehensive product problem-solving service and a 2-year warranty against manufacturing defects.

• Wā Pūtāhui: 2 years against manufacturing defects.
• Whakapā i muri i te hoko:
  • Īmēra: service@ranein.net
  • US Phone: (424)-452-2630

Image 9.1: Ranein customer service and warranty information.