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INSTALLATION:  

STEP 1 

Model HA018240 requires 2 sets of wires and ground 

(see wiring diagram)

 

Model HA024240 and HA027240 requires 3 sets of wires and ground 

(see wiring diagram) 

Model HA036240 requires 4 sets of wires and ground 

(see wiring diagram) 

 
STEP 2 

Take each wire pair and connect them to one breaker (see wiring diagram). Make sure that each breaker has one wire 
pair -black wire connected to it and one red wire. 
CAUTION:  Ensure  that  you  have  made  the  correct  connections.  You  must  follow  the  wire  connection  as 
shown in Figure 2 & 3 to ensure proper operation of the unit. If you cross a set of wires, the unit will not operate 
correctly even though it turns on and otherwise appears to function properly. 

Figure #2 

 

 

 

Circuit Breaker #1 
 
L1 

 

L2 

Circuit Breaker #2 
 
L1 

 

L2 

Circuit Breaker #3 
 
L1 

 

L2 

Circuit Breaker #4 
 
L1 

 

L2 

HA018240 requires 2 set of breakers and wires 

HA024240 and HA027240 require 3 sets of breakers and wires 

HA036240 requires 4 sets of breakers and wires 

Summary of Contents for HA018240

Page 1: ...BY A QUALIFIED ELECTRICIAN PLUMBER IN ACCORDANCE WITH ALL NATIONAL STATE PROVINCIAL AND LOCAL ELECTRICAL PLUMBING CODES PLEASE READ THESE INSTRUCTIONS THOROUGHLY AND COMPLETELY PRIOR TO INSTALLATION USE FAILURE TO DO SO COULD CAUSE PROPERTY DAMAGE OR SERIOUS INJURY OR DEATH VOID YOUR WARRANTY This manual should be given to the homeowner after installation and should be retained for future referenc...

Page 2: ...axinc com CONTENTS 1 Before you install your water heater 2 Selecting a location to install 3 Mounting your water heater 4 Plumbing installation 5 Electrical installation 6 General operation instructions setting output temperature 7 Maintenance 8 Trouble shooting guide 9 Warranty information warranty registration card 1 BEFORE YOU INSTALL THIS PRODUCT PLEASE READ THESE INSTRUCTIONS THOROUGHLY AND ...

Page 3: ...aterials to come in contact with the water heater or outlet water pipe Combustible materials should be kept at least 24 inches away from your water heater and the output hot water pipe Make sure that the water heater outlet hot water pipe are out of the reach of children so they cannot tamper with the temperature controls or injure themselves by touching the hot water outlet pipe The outlet water ...

Page 4: ...may be required to meet installation codes in your area If one is required install the pressure relief valve in accordance with your code and ensure that it operates correctly and that air is purged from the valve prior to installing your water heater When connecting to Flex or High Temperature CPVC pipe we recommend that a T P valve be used for added safety If a pressure relief valve is used it s...

Page 5: ...r other location where water damage could occur a water pan is recommended 5 ELECTRICAL INSTALLATION PLEASE READ THESE INSTRUCTIONS THOROUGHLY AND COMPLETELY BEFORE INSTALLATION AND BEFORE USE FAILURE TO DO SO COULD CAUSE PROPERTY DAMAGE SERIOUS PERSONAL INJURY DEATH AND VOID YOUR WARRANTY This product is recommended to be installed by a licensed and qualified electrician in accordance with all ap...

Page 6: ...dtoitandoneredwire CAUTION Ensure that you have made the correct connections You must follow the wire connection as shown in Figure 2 3 to ensure proper operation of the unit If you cross a set of wires the unit will not operate correctly even though it turns on and otherwise appears to function properly Figure 2 Circuit Breaker 1 L1 L2 Circuit Breaker 2 L1 L2 Circuit Breaker 3 L1 L2 Circuit Break...

Page 7: ...et up procedures and operating instructions and tips to ensure the maximum performance and energy savings from your new water heater We recommend that all members of the household read these General Operating Instructions How your new water heater works Your Tankless Water Heater does not store hot water like a conventional tank type water heater It contains very high powered heating elements that...

Page 8: ...1 4 1 4 6 6 1 70F 3 5 4 7 5 3 7 0 75F 4 1 5 5 6 1 8 2 80F 4 9 6 6 7 4 9 8 Setting the output water temperature The user controls onyour newtankless water heater are very easyto operate The digital display will showyour current set water temperature at all times that the water heater is running To set the temperature start by turning on any water faucet The digital display will light up and give yo...

Page 9: ...SO COULD CAUSE PERMANENT DAMAGE TO THE HEATING ELEMENTS If you have a water supply with a highlevel of mineralization hard water you should increase the frequency of your maintenance 8 TROUBLESHOOTING GUIDE Areyouhaving problemswithyourwaterheater Do not return your heater to your Authorized Dealer Please call our customer service dept TOLL FREE 1 800 543 6163 info eemaxinc com All units are thoro...

Page 10: ...uble check the wiring Is possible that the wiring is incorrect Voltage less that 240 volts The heating elements on your water heater are design for 240 volts When use with a lower voltage they produce less heating power You may need to upgrade to a larger model Mixing too much cold water You do not need to mix as much cold water with your tankless water heater compared to when you use a convention...

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