EemaX 208 VAC - User Manual

INSTALLATION INSTRUCTIONS
AND
OWNER’S MANUAL
ELECTRIC INSTANTANEOUS WATER HEATERS WITH PhD
208 and 480 VAC three phase 32 – 126 kW
600 VAC three phase 130-150 kW
BEFORE ATTEMPTING ANY INSTALLATION OR SERVICE OF THIS
HEATER, MAKE SURE THE ELECTRICAL POWER IS DISCONNECTED.
FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN
SERIOUS INJURY, DEATH AND/OR PROPERTY DAMAGE.
Read and understand these instructions thoroughly before attempting the installation or service of this water
heater. This heater must be used to heat water only and be in a location where it is not subject to freezing
temperatures. If a water softener is used, the softener must be well-maintained and in good working order.
Any maintenance issues with a water softener could be detrimental to the operation or longevity of your
Eemax tankless water heater. The manufacturer is not liable for any damages resulting from improper
installation or misuse. The warranty of this water heater will depend upon the proper installation according
to these instructions. Refer to the warranty card packaged with this heater.
This installation must conform to the latest requirements of the National Electrical Code and all applicable
state and local codes. This information is available through your local authorities. You must understand and
comply with these requirements before beginning this installation. Eemax recommends your heater be
installed by a licensed plumber and electrician. User instructions for the unit controls start on page 6.
This unit is not required by UL 499 to have a Temperature and Pressure relief valve (T&P). You should check
with local codes to find out if one is required in your area. If it is, it must be installed in the outlet hot water
pipe between the heater and the isolation valve.
This heater features a user friendly digital interface for ease of operation. Information is displayed through
a 16 character alpha numeric LCD and is controlled by 4 simple push buttons. The unit features silent
operation and internal diagnostics. The desired temperature can easily be set or altered as necessary. Once
the desired temperature is achieved, the control can be locked to avoid tampering.
1
EX07200-15 Rev 3

Summary

Installation and Owners Manual

General Installation Safety Warning

Crucial warning about disconnecting power before installation or service.

Important Safety Instructions

Electrical Grounding Requirements

Instructions for connecting the grounding terminal to prevent electric shock.

Installation Environment Precautions

Guidance on location, water softeners, and avoiding specific installations.

Hot Water Scald Hazards

Details on dangerous water temperatures and burn risks.

Mounting the Heater

Heater Mounting Location and Clearance

Plumbing Hook-Up

Water Inlet and Outlet Connections

Plumbing Connection Precautions

Warnings against using pipe dope and soldering near the heater.

Electrical Hook-Up

Professional Installation and Safety

Requirements for licensed professionals and ensuring power is off.

Wiring Terminal Connections

Critical Grounding Safety

Warning about the severe consequences of failing to ground the system.

Commissioning the Heater

Pre-Commissioning Checks

Ensuring valves are open, water flows, and no air pockets or freezing.

Startup Procedure and Display

Error and Fault Codes

Error Code Explanations

Repair Parts and Components

Safety Precautions for Repairs

Ensuring electrical power is off and voltage is confirmed before repairs.

Electrical Supply and Wiring

Hazardous Location Wiring Standards

Class I Purging Set-up Procedure

Purging System Setup Notes

Important notes on safe pressure, regulator adjustment, and T-bar valve key.

Class I Purging Setup Steps

Detailed 10-step procedure for setting up the Class I purging system.

Class I Purging Operation Sequence

Purging Operation Steps

Step-by-step instructions for operating the Class I purging system.

System Maintenance

Regular Maintenance Tasks

Technical Support Information

EemaX 208 VAC Specifications

General

Brand	EemaX
Model	208 VAC
Category	Water Heater
Language	English