Lawler NEPTUNE EMX 075 Installation & Maintenance Manual

NOTICE!
No mixing valve will work satisfactorily if improperly installed. We suggest, therefore, that you read
these instructions carefully before installing and follow directions as outlined. Handle the mixing valve with care.
CAUTION: When maintaining and adjusting the
mixing valve, all fixtures should be isolated from
use. Lawler Manufacturing Co., Inc. recommends
that you work safely at all times and in a manner
consistent with the OSHA Lock/Tagout standard,
29 CFR 1910.147 and other applicable standards.
Each system consists of
PI Controller with LED Readout
Fast Immersion Sensor 1/2" NPT
Stainless Steel 3-Way Valve
NEMA 4 Enclosure
WARNING: The EMX is not a safety device.
It should not be installed as an anti-scald device.
It is only a temperature control system.
Only professional installers with working
knowledge of plumbing and electrical systems
should install the EMX system. Incorrectly installed
or sized systems will result in improper function of
the control system
WARNING: This product contains chemicals known
to the State of California to cause cancer and birth
defects or other reproductive harm.
(Installer: California law requires that this warning
be given to the consumer.)
For more information: www.oehha.org/prop65
ASSE 1017 Approved
NST 372 Certified Lead Free
Certified to CSA B125.3
INSTALLATION &
MAINTENANCE MANUAL
Design and specifications subject to change without notice.
Please refer to temperedwater.com to ensure most
current data sheet and other design solutions.
Neptune EMX Electronic
Mixing Valve
Description
EMX is an ASSE 1017 Listed Electronic Tempering Valve
System used to control domestic hot water temperature. The
EMX is designed to work in domestic hot water systems a
return line and a continuously running recirculation pump.
The EMX valve should not be used in a gang shower
application. Use an ASSE 1069 approved valve for those
applications.
Features
• Easy setup, simple 3 button interface
• Low demand dead zone with adjustable activation point
• High temperature alarm function
• Fast sampling rate of sensor input
• Two valves can be installed in parallel with one controller
• ModBus communication standard
• Lead Free valve conforms to NSF/
ANSI 372-2011 requirements
Selection
Valves should be selected based on
a 5 to 10 PSI pressure drop. The
valve is typically smaller than the
system piping for most applications.
Pressure Drop PSI
Valve Inlet Size
NEPTUNE EMX 075 3/4
NEPTUNE EMX 100 1
NEPTUNE EMX 125 1-1/4
NEPTUNE EMX 150 1-1/2
NEPTUNE EMX 200 2
Minimum flowrate 1/4 gpm in properly recirculated system.
5 gpm minimum recirculation flow rate.
Technical Data
Water Temperature Ranges
Cold Inlet 39° F to 80° F
Hot Inlet 120° F to 200° F
Outlet 95° F to 140° F
Maximum Pressure 150 PSI
temperedwater.com
5330 East 25 th St.
Indianapolis, IN 46218
Phone (317) 261-1212
Fax (317) 261-1208
Model Size
EMX-075 3/4"
EMX-100 1"
EMX-125 1-1/4"
EMX-150 1-1/2"
EMX-200 2"
5 10 20 30
CAPACITY GPM
17 24.3 34 43
25.5 37 52 64
41.4 58.6 83 101
64.4 91 128 157
102 145 205 252
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