marey PP110 Power Pack Electric Tankless Water Heater
Congratulations! You’ve just purchased a new Marey electric tankless water heater and will soon begin to enjoy the benefits of ugoing tankless”.The availability of instant hot water, combined with the unit’s outstanding energy efficiency and space saving design, will quickly convince you that you’ve made the best decision for meeting your home’s hot water needs.Take the time to thoroughly read and understand this safety and installation manual in its entirety before you attempt to install your new electric tankless water heater, as it contains important safety tips and instructions.Please carefully read all instructions and warnings. Should you have any questions, please visit www.marey.com for installation videos and FAQ.Please keep this manual for future reference.
WARNING: If you are not familiar with basic plumbing and electricity, we highly recommend that you employ the services of a professional to assist you with this installation. Under no circumstances should you attempt to install, repair or disassemble the Marey water heater without fist disconnecting the electricity.
QUICK START GUIDE
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- Securely mount your water heater in an appropriate location using the hanging bracket and wall anchors supplied with the unit.
- PP110: the unit should not be installed more than 6ft away from the point of use.
- PP220 (PPXE5): the unit should not be installed more than 40ft away from the point of use.
- Secure the bracket to the wall with the screws supplied.WARNING: Working with electricity can be dangerous. If you are not knowledge able about basic electrical practices and local building codes please DO NOT attempt to install this unit without the assistance of a licensed electrician!
- Securely mount your water heater in an appropriate location using the hanging bracket and wall anchors supplied with the unit.
The unit have to be installed in copper pipe and for the connection between the pipe and the heater use flexible hoses.
- Make the electrical connections to the breaker. Breaker size can be 10, 20, 30 or 40 AMPS, depending on the amount of heating needed (power setting cannot exceed breaker sieze). Wire gauge will vary depending on amperage and distance. Contact an electrician if you’re not sure.
- 11 OV (PP110): Connect (1) white wire to the single pole (11 OV) breaker. Connect (1) white wire to the neutral bar on your breaker box. It does not matter which white wire is connected to power and which is connected to neutral. Connect the green ground wire to the ground bar on your breaker box,
- 220V (PP220): Connect (2) white wires to the double pole (220V) breaker. Connect the green ground wire to the ground bar on your breaker box.Caution these are TWO separate units. not one unir that can be wired as 11 OV or 220V. Please check the model number on the right side of your unit.DO NOT TURN ON THE BREAKER YET!
- Turn on the hot water faucet and allow it to flow for at least 30 seconds. Turn the faucet back off. Turn on the breaker.
- Turn on the hot water faucet and adjust the heater to the appropriate flow and temperature setting for your situation. Use caution not to get scalded until the appropriate temperature settings are in place. Higher flow rates will result in cooler water and vice versa. Higher amperage will result in warmer water and vice versa.
When you turn on the tap, the water heater will automatically engage. When you turn off the tap, the water heater will turn off automatically.
Enjoy endless, energy efficient hot water for years to come!Disclaimer: this document is intended as a quick reference only and does not contain all of Important safety warnings and other information necessary to safely operate your heater. For a complete list of safety warnings and instructions please reference the instruction manual before operating your water heater .
WARNING
If your water heater requires a reset, be sure to TURN OFF 1HE BREAKERS prior to resetting the unit.Resetting your unit without turning off the breakers can result in personal injury and damage to your water heater.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, which can cause flooding. DO NOT install this water heater where it may be subjected to a freeze. If your water heater is in area where freezing is a possibility, you must turn off the water to the heater and drain it of any water by disconnecting the water lines. Leave the water lines disconnected until you intend to use the water heater.
PACK CONTENTS
- WATER HEATER – QTY 1
- OPERATING INSTRUCTIONS – QTY 1
- MOUNTING SCREWS – 4 SETS
TECHNICAL SPECIFICATIONS
| Product
Voltage |
PP110
110V |
PP220
22.0V |
| Power | 1.1kW-4.4kW | 2.2kW-8.8kW |
| Max. Flow Rate | 1. 0GPM | 1.9GPM |
| Points of Use | One | Multiple |
| Recommended Wire Size | 8AWG | |
| Activation Flow | 0.66GPM | |
| Safa Operating Pressure | 8 PSl-90 PSI | |
| Water Connections | 1/2″ NPT | |
| Frequency
Amperage |
50-60 Hz
10-40A |
|
| Water Pressure | 0.55Bar (8P8Q- 6.37Bar (82.SSPSI) | |
| Master Place Cover | ABS | |
| Heating Element | Copper | |
| Dimensions | 11.1· x 10.2″ x4.8″ | |
| Weight | ?lbs |
ELECTRICAL REQUIREMENTS
The heater must be connected to its own independent electrical circuit. Install a fuse box or switch (“breaker”) for exclusive use of the heater.The wire gauge necessary will vary based on amperage and distance to the breaker, but 8 gauge wire is generally sufficient for most installations. If the distance is very short, sometimes smaller gauge wire may be used. If you aren’t sure which gauge of wire should be used, contact an electrician. The supply wire, main switch and circuit protection (Leakage Circuit Breaker) must be sufficient for the amperage required. Please check the table above and the flow rate/temperature rise chart for the appropriate amperage for your situation.Note that the lower the amperage, the lower the water temperature rise will be.DO NOT TURN ON THE BREAKER SWITCH UNTIL ALL ELECTRICAL AND PLUMBING CONNECTIONS ARE MADE AND WATER IS FLOWINGTHROUGH THE UNIT.
FOR PP110:Connect (1) white wire to the single pole 10, 20, 30 or 40 Amp circuit breaker.Connect (1 ) white wire to the neutral bar on your breaker box. It does not matter wire connects to neutral and which connects to the break.er. Connect the green ground wire which white to the ground bar on your break.er box.
FOR PP220:Connect the (2) white wires to the double pole 10, 20, 30 or 40 Amp circuit breaker.Connect the green ground wire to the ground bar on your breaker box.This appliance MUST be grounded. Connect the ground wire, as indicated in the Electrical Code.
When all connections are satisfactorily prepared, install the heater cover. With the insulated container off and water flow modifier (optionaO fully open, the faucet must be opened fully to get the maximum water flow. It is necessary to ensure that the water tank is full before turning the power on. This is an essential step to protect the heating element.Note that the above instructions are simply guidelines that apply to most installations.The size of the switch and wire gauge must meet all local, state, provincial and national electrical codes in your area. Contact an electrician if you’re not sure.To determine the minimum electrical circuit please see the next table:
| POWER SELECTOR
Position 1 and 2 |
MINIMUM BREAKER
20 AMPS |
| Position 1, 2 and 3 | 30 AMPS |
| Position 1, 2, 3 and 4 | 40 AMPS |
Remember that the above instructions are just guidelines that apply at most installations.
WIRING DIAGRAM
CAUTION: these are TWO separate units. Not one unit that can be wired as 11 OV or 220V. Please check the model number on the right side of your unit.
INSTALLATION OPTIONS
Remember that you should remove the red and blue covers before installing your unit. 
INTERNAL COMPONENTS
SAFETY
- Working with electricity requires proper skills and knowledge – Installation of the unit should be performed by someone who is familiar or trained in this trade. We HIGHLY recommend that you hire the services of a licensed and qualified “Electrician/Plumber” familiar with tankless water heaters installation.
- IMPROPER INSTALLATION CAN CAUSE INJURY OR EVEN DEATH.
- IMPORTANT: all electrical work and unit fixing to the wall should be completed before connecting electrical wiring.
- When you turn on the unit, extremely hot water could come out. Take proper safety precautions to avoid being hurt or burned by water.
- DO NOT expose the unit to freezing temperatures. Do not use an input water temperature over 90°F ot 32.2°C. This unit is designed for indoor use only.
- DO NOT restrict the flow of water entering the unit.
- DO NOT operate the appliance if water ceases to flow during use, if the outer case or cover is loose or if the unit is not working properly
- If the unit leaks or does not heat properly, disconnect the unit.
- ISOLATE the electrical and water supplies before removing the cover and before proceeding with installation or servicing.
- NEVER OPERATE THIS HEATER WITHOUT THE COVER!
SITE REQUIREMENTS
WATER AND PLUMBING REQUIREMENTSDO NOT USE PVC, CPVC or plastic supply line directly to the unit. A 16″ copper or stainless steel pipe must be con nected to the heater.Be sure to clean the pipes before connecting the heater to the main line. Clean all the impurities of the pipe, allowing water to flow for a few minutes, check for leaks. Any residue or dirt in the pipes may cause internal damage to the unit.A safety release valve must be fitted in the supply pipe.We recommend installing a sediment filter before the entry of water to the heater. Hard water or water with high levels of minerals and alkali ccan cause damage to this unit. When this is the case, we recommend the use of a (non-salt) water softening system.The provision of a service stop valve in the cold supply pipe will assist in the event of any subsequent servicing or maintenance.These heaters are of the closed type (closed system with no ventilation pressure) suitable for fitting to the normal input of cold water with a maximum of 94 PSI (6.5 bar). They must be fitted with a pressure valve adjacent to the entrance.
CONNECTING TO SERVICES
PREPARATION
- Isolate electrical and water supplies BEFORE proceeding with the installation.
- The unit must be mounted on a flat surface in a vertical position with the incoming and outgoing water pipes facing down. It is not possible to install the unit horizontally. Please use the installation sticker guide and screws supplied in the product’s original package. Drill the wall for the indicated holes. Check that there are no hidden wires or pipes, before drilling holes for wall mounting.
- Secure the bracket to the wall with the screws supplied.
- Hook the unit and screw the fixing holes, placing special attention to the bottom screw.
- There are two cable entry points. You can choose one of them and the back plate will have to be cut out.
- It is essential that this appliance is connected to a ground.PLUMBING
- Use stainless steel flexible hose or copper tubing of 1/2″ on the inlet and outlet pipes.
- Turn on the mains water supply to the water heater and then plug the unit at the isolated electrical outlet.
NOTE: the electrical supply is not turned on until all the pipes and the installation is complete.
HOW TO USE – HOW IT WORKS
THE WATER HEATER WILL TURN ON, WHEN YOU:
- Turn on a water faucet.
- The power indicator will light.
TO STOP THE WATER HEATER:Turn off the faucet.TO USE THE POWER SELECTOR:The power selector knob has five positions:
OPERATING INSTRUCTIONS
The water temperature is altered by increasing or decreasing the flow rate of the water through the water heater, via the temperature control knob. Increased amperage settings will result in increased water temperature. 
- Small drop:Lower water outflow. Warmer water .
- Big drop:Higher water outflow. Less hot water.
NOTE: if water pressure is low, the inlet pipe of the water should be 3/4″ with outputs of 5/8″.
ENERGY SAVING TIPS
The heater should be installed as close as possible to the point of use to avoid heat loss. If longer distances are required, hot water pipes should be insulated.Adjust heater temperature setting {located on the front panel of the heater) to the desired output temperature. Lowering the power setting will save energy, but hot water temperature will decrease.We recommend that you install the unit under the sink in the main bathrooms or utility areas. This will allow for lower amperage usage and a reduced heat loss from long pipe runs.For additional savings, reduce the water flow valve at the inlet of the heater so the temperature increases.
FAULT FINDING (TROUBLESHOOTING)
Your Marey Power Pak Plus should give you trouble free operation, however should a problem or fault occur, the table below will assist in identifying the most common faults. Diagnosis and fault finding should be carried out by a qualified indMdual, skilled in electrical/plumbing.
SPECIAL EQUIPMENT AND ADVICE TO USERS
- The pressure relief device is designed into the water heater. The device will work automatically, when excessive build up of pressure occurs. Do not replace the pressure relief device with any other screw.
- The unit is built of fireproof material.
- There is a safety thermal cut-out device in the water heater. This thermostat will cut off electricity to prevent scalding, when there is a sudden rise in water temperature, this protecting the user.
- All models can be fitted with Leakage Circuit Breaker (optional).
- It is important to keep the showerhead clean in order to maintain the performance of the water heater.
TEMPERATURE CHART INCREASE PER GPM**Temperature increases listed are based on use of the water heater under optimal conditions with an incoming water temperature of 4S°F. Variable factors such as incorrect or imperfect installation or warmer incoming water temperature may yield different results.
Please feel free to contact us if you have any questions about our products, warranty service, or if you need assistance installing a unit. We also strive for continuous improvement, so we welcome your comments, feedback and suggestions.[email protected]www.marey.com
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