Maxwell MS270C2TMU User Guide

Tankless Electric Water Heater

MSxxxC2T_U &

SERIES

MSxxxC2TMU

Installation and Instructions Manual

Keep this Instructions Manual in a safe place once your unit is installed.

You may need to refer to it for general instructions or future maintenance.

CONTENTS

Nomenclature … …………..........….…….........………..… 1

……………………………………………………

Product advantages ……………….................………………………………………………………………2

Product Features………………….....…………………………………………………………………………2

Warnings…………………………………………………………………………………………………………3

About Your Electric Tankless Water Heater…………….....…………………………………………………3

Before You Install Your Tankless Water Heater……………………...………………………………………4

Selecting Installation Location……………………………………….......……………………………………4

Mounting Your Electric Tankless Water Heater………………………………………………………………4

Dimensions……………………………………………....………………………………………………………5

Installation Guideline……………………...……………………………………………………………………6 Plumbing and Mechanical Installation…………...……………………………………………………………8

Heater Sizing Guide .......................…………...……………………………………………………………9

Temperature Rise Table & Graph……………………………………………………………………………10 Electrical Installation……………..……………………………………………………………………………11 Technical Data…………………………………………………………………………………………………15 Starting your Electric Tankless Water Heater………………………………………………………………16 Operation Instructions………………………………………………………………………………………16 Troubleshooting………………………………………………………………………………………………17

Normal Maintenance Recommendations………………………………....…………………………………17

Customer Service ................................................................................................................................. 18

MODEL NUMBER NOMENCLATURE

This Klimaire nomenclature supercedes all previously issued (05/23/2013)

1 2

S T

Test Calification

U : UL/ETL C : CSA O : NLA

Casing Type & Color

B: Injection Molding – Black S: Injection Molding – Silver W:Injection Molding – White M:Metal Casing – Silver

Minor Design Change

P : Plate Heater Exchanger T : Tubular Stainless

Steel Heat Exchanger

Power Supply Code (V/ph)

1 – 120 / 1 2 – 240 / 1 5 – 240 / 3

Temperature Control

C : Automatic Constant P : Power Level

Capacity (kW)

120 – 12.0 150 – 15.0 180 – 18.0 210 – 21.0 240 – 24.4 270 – 21.0

Heater Type

S : Tankless H : Holding Tank

Brand: M: Maxwell

Congratulations! Now that you have purchased brand new Maxwell tankless water heater Aquafinity™ series and will soon begin to enjoy the instant hot water supply as long as you need.

PRODUCT ADVANTAGES

Your Maxwell heating appliance is an endless hot water on demand supply source. The heating chamber is made from a single piece of cast aluminum with stainless steel water channels to have a longer and reliable life expectancy despite the quality of the water entering the heater. The design of the enclosed nickel-chromium heating elements with magnesium powder thermal conductivity insulation sets apart this heater.

Sheathed Heating Plate

Hot Water

Cold Water

PRODUCT FEATURES

1. Energy efficient – Instantaneous heating on demand. Maxwell modern light weight and sleek design compact tankless water heater does not require pre-heating and there are not standby heating losses.

2. Reliable and safe – water is completely separated from electricity by multi-layers of composite nano insulation material.

3. Advance micro-processor control – self-diagnostic function automatically monitors and displays working conditions with soft-start function providing constant temperature water flow by engaging heating elements in stages for a precise temperature control for maximum comfort.

4. Multi-protection devices – your heater has built-in protection features to prevent antiscalding, over-pressure, over-temperature and electricity isolation.

Aluminium magnesium cast body

Stainless steel water channel

Stainles steel

Magnesium powder thermal conductivity insulation

Nickel-chromium heating element

Picture 1

5. Convenience – LED wide screen touch button displays the working conditions, outlet temperature, working time, and power consumption.

MS-C2TMU

Stainless Steel Model

MS-C2T_U

Injected Mold Model

Stainless Steel

Rear Cover

Temp. Controller

Thermal cut-out

(Manual Reset)

Temp. Sensor

Water Outlet

Connection

Control Board

Triac

Terminal Block

Flowmeter

Temp. Sensor

Water Inlet Connection

Rear Cover

Heating Chamber

Thermal cut-out

(Manual Reset)

Temp. Sensor

Water Outlet

Connection

Control Board

Triac

Terminal Block

Flowmeter

Temp. Sensor

Water Inlet Connection

Picture 2 Picture 3

1. WARNINGS

This is not a do-it-yourself project. Failure to have this appliance installed by a licensed and certified electrician and plumber will void all warranties.

Under no circumstances should you attempt to clean, install, inspect, repair, disassemble or service the Maxwell electric tankless water heater without first shutting off all power to the unit directly at the circuit breaker box. SERIOUS BODILY

INJURY OR DEATH COUILD OCCUR IF THIS WARNING IS IGNORED. INSTALLATION OF THIS PRODUCT IS RESTRICTED TO INDOOR LOCATIONS BY QUALIFIED PLUMBING,

HEATING, MECHANICAL, ELECTRICAL CONTRACTORS ONLY, IN ACCORDANCE WITH ALL NATIONAL, STATE, PROVINCIAL, AND LOCAL ELECTRICAL AND PLUMBING CODES.

By installing this product you acknowledge the terms of manufacturer's warranty and your authorized dealers return policy. Water heaters that have been installed cannot be returned. If you plan to install your water heater on a second floor/above ground or in a heated attic space you must follow all code requirements for installation in your area. It is highly recommended to install a drip pan connected to a safe drain as per code requirements below the water heater to avoid property damage in case of eventual leaks, and / or install an active water leak detector and shut off valve to turn off your water supply in the event that a leak is ever detected.

Installation of this product is restricted to indoor locations only.

2. ABOUT YOUR ELECTRIC TANKLESS WATER HEATER

Please read thoroughly and understand this safety and installation manual completely before beginning to enjoy your new on demand electric Maxwell tankless water heater, as it contains important safety information and installation instructions.

If you need assistance or have any questions please contact us at: (305) 593-8358

Please keep this manual for future reference and technical information.

3. BEFORE YOU INSTALL YOUR TANKLESS WATER HEATER

Please open your tankless water heater box and carefully unpacked it, and inspect all components.

4. SELECTING INSTALLATION LOCATION

Your tankless water heater is a compact design and it has to be wall mounted, however improper installation, maintenance or service adjustments may cause property damage. This appliance is designed to be installed vertically and indoors only. You may be able to install your appliance in outdoor location provided that it is mounted in a suitable enclosure that protects it from rain and water splashing, direct sun light, debris, and insects. This product should NOT be installed in locations where it may be subject to freezing temperatures. If the water inside your tankless water heater unit freezes, it can cause severe and permanent damage that is not covered under your warranty. If you suspect your Maxwell tankless water heater has frozen, do not turn on your unit until it has completely thawed out, and you have inspected the unit for leaks.

It is recommended and you should give consideration to your existing plumbing configuration and location of your main electrical panel, and future servicing. DO NOT locate the unit in a location that will be difficult to access. Most of the times, it is better and easier to install your new appliance at the same location as your old one.

Combustible materials should be kept at least 24 inches or 60 cm. from your unit and the output hot water pipe. Your unit does not require any type of venting. You should avoid installing your unit in places subject to excessive humidity, moisture or dust, and even splashing water or other liquids, like under water pipes, water gutters, air conditioning drain or refrigerant lines that might leak or condense moisture that could drip onto the unit. DO NOT install your unit above electrical boxes or junction boxes.

5. MOUNTING YOUR ELECTRIC TANKLESS WATER HEATER

Your appliance should be mounted on a solid and secure surface. Prior to installation ensure that the unit is leveled before tightening the screws. We recommend that for ease of installation and service product should be installed in upright position with the inlet and outlet water connections at the bottom of the unit.

Recommended clearances: Above and below unit 12” and front panel 6”.

CAUTION: Clearances to combustible materials should be at a minimum of 24” away from the unit, and the water inlet and outlet connections.

DIMENSIONS

MS-C2T_U

MS-C2TMU

WATER OUTLET

A x B x C

WATER INLET

Injected Mold Model Stainless Steel Model

MS120C2T_U

in. 15.1x10.2x3.7 15.1x10.2x3.7 15.1x10.2x3.7 15.1x10.2x3.7 15.1x10.2x3.7 15.1x10.2x3.7

MS150C2TMU

in.D x E x F

16.1 x 11 x 3.5 16.1 x 11 x 3.5 16.1 x 11 x 3.5 16.1 x 11 x 3.5 16.1 x 11 x 3.5

MS150C2T_U

MS180C2TMU

MS180C2T_U

MS210C2TMU MS240C2TMU

WATER OUTLET

MS210C2T_U MS240C2T_U

WATER INLET

MS270C2TMU

MS270C2T_U

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