Installation manual

WARNING! There is water contained in the coils of your water heater at all times. If your
water heater is exposed to freezing temperatures, the water in the coils could freeze,
causing a break in the heat exchanger of the unit, or the supply and return lines. This kind of
damage will result in water running freely into the space where the water heater is located,
with can cause flooding. DO NOT install this water heater where it may be subjected to a
freeze. If your water heater is in an area where freezing is a possibility, you must turn off the
water to the heater and drain it of any water by using the valve stem at the bottom of the unit
and disconnecting the warm water line. Leave the valve stem and the warm water line
disconnected until you intend to use the water heater.
The MAREY PORTABLE liquid propane gas water heater is capable of supplying
1.5 GPM (gallons per minute) – 5 (LPM liters per minute). This unit has a standard
½” NPT pipe fittings and an adapter for using a standard garden hose for inlet water
supply.
Ignition is automatic and powered by 2 “D” cell batteries (not included). Burners
start when water pressure is more than 5 PSI and turn off when water is shut off.
A shower head with multiple spray patterns is included.
For a gas supply a standard 20 pound-propane cylinder (not included) is required.
This is similar to the gas tanks used with outdoor grills. A regulator with a hose is
available with the heater.
An additional safety feature is an automatic 20 minutes shut off timer that is reset
each time operation stops or the shower head is turned off and back on.
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1- Portable
2 - ODS Device
3 - Temperature Controller
4 - Sensor Pin
5 - Gas Adjusting Valve
6 - Solenoid Valve
7 - Pulse Generator
8 - Gas inlet
9 - Hot Water Outlet
10 - Wall Mounting Holes
11 - Back Plate
12 - Heat Exchanger
13 - Ignition Pin I
14 - Ignition Pin II
15 - Burner
16 - Water Adjusting Valve
17 - Micro-Active Switch
18 - Cell Box
19 - Release Device
20 - Water Inlet
Caution: if you detect a possible case of gas leak, contact your local gas supplier.
There may be some conditions which can diminish the intensity of the smell,
making it difficult to identify a gas leak.
- Outdoor use only.
- Liquid Propane Gas is denser than air and tends to condense first on lower areas
making it difficult to detect at nose level.
- Before attempting to start the unit, use a soapy product to check all gas fittings and
connections. Any bubbling at a connection indicates a gas leak that must be fixed.
- Installing gas detectors is highly recommended for both Liquid Propane and
Natural gas applications. Please, turn to local laws, regulations and manufacturer's
recommendations in order to correctly install a gas detector in your house.
- Units using Natural gas are different from Liquid Propane models. For your safety
do not use Natural gas with Liquid Propane and vice versa.
- You should never attempt to convert the water heater from Natural Gas to Liquid
Propane.
- Do not connect the unit to a fuel type that is not in accordance with the
specifications to avoid possible fire, equipment damage or personal injury.
- DO NOT mount the unit onto a combustible surface (including plywood or other
wood or paper products). Drywall, gypsum or other non-combustible surfaces are
acceptable.
Other precautions
1. This unit only uses Liquid Propane Gas.
2. Please do not place your hands or other objects on top of the heater or the
exhaust gas pipe, it is very hot.
3. If you detect smell of gas, turn off the gas valve at the tank immediately.
4. Do not expose the heater to strong wind conditions.
5. Do not leave unattended.
6. Do not over tighten the gas regulator connection to the unit with a wrench. This
may break the gas inlet.
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