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OPERATION INSTRUCTIONS:

Ÿ

Turn the hot water fixture to activate the flow switch. The flow switch activates at 0.35 gallons per minute (GPM) [1.3 LPM] and
deactivates at 0.30 gallons per minute (GPM) [1.1 LPM].

Ÿ

If you increase the flow rate of the water above the KW capacity, the water temperature will become cooler. Cold water can always be 
mixed just as with a conventional system if using a two handle faucet. Select the appropriate flow control.

Ÿ

Once you decrease the hot water flow rate to 0.30 GPM [1.3 LPM] the unit will deactivate. It is not advisable to operate the heater
at 0.30 GPM [1.3 LPM] hot water flow rate.

NOTES:

 

1. Periodically inspect (4 times a year) the supply lines, connections and heater for any moisture, corrosion or other potential

preventable problems.

2. Prior to shutting off water valves for servicing, winterization, etc, always disconnect power from unit 1st.

3. Unit is intended to heat water only, and does not provide a means of cooling if inlet temperature exceeds set point temperature of

heater.

OPTIONS:

• PA 765 ABS Housing (P)

• Pressure & Temp. Relief Valve Assembly (TP)

• Satin Finish Stainless Steel Housing (SS)

• 1/2” Male NPT (NPT08)

• High Polish Finish Stainless Steel (SSP)

• Disconnect Switch, Rotary 40A - Lockable Nema 4X (2095-1)

FLOW CONTROLS:

You may want to install the supplied flow control in your design. This high-quality control makes the water heating system operate more 
effectively, as well as save water. the supplied GPM [LPM] flow control assures that the flow rate will not exceed GPM [LPM], however, less 
water can always be used. Consumer can mix the cold water as with a conventional system. See Flow Control Models Chart below.

CHRONOMITE TECHNICAL SUPPORT

TOLL FREE

 800-447-4962 • 

LOCAL

  626-937-4270 • 

FAX

 626-937-4279

Page 6 of 8

®

INSTANT-FLOW  MICRO SPECIFICATIONS

(LOW ACTIVATION MODELS)

3100-003-001
II-927 06/17 REV 9

KW

ACCESSORY 

PACKAGE

45 psi

45 psi

1.8 - 3.6

AP-1-P

L412-0.5-NP        

0.5 GPM SPRAY

L412-1.0-NP           

1.0 GPM SPRAY

4.0 - 5.0

AP-2-P

A412-1.0-NP           

1.0 GPM LAMINAR

A412-1.5-NP           

1.5 GPM LAMINAR

6.0 - 12.0

AP-3-P

A412-2.0-NP           

2.0 GPM LAMINAR

-

FLOW CONTROL MODELS CHART

!

NOTICE

Flow controls are adaptable to other 

thread configurations. Please call 
factory if adapter is needed. 

!

IMPORTANT

Periodically inspect (4 times a year) the supply 
lines, connections and heater for any moisture, 
corrosion or other potential preventable problems.

104°F

***110°F

***120°F

Notes:

*

**

***

FACTORY SET TEMPERATURES

Other Temperature Settings are available upon 
request up to 140°F

Temperature Settings are not Field Adjustable

110°F / 120°F Temperature Settings are not 
recommended w ith metering / sensor faucets 
(cold w ater mix needed)

<

LOW FLOW RATE SYSTEM:

For applications where 0.20 - 0.35 GPM (0.75 - 1.3 LPM) Flow Rate is 
desirable, see our CM series heaters.

FLOW CONTROL SPECIFICATIONS

MATERIAL:

Chrome plated, brass housing. 

THREADING:

DUAL threads 15/16” male
55/64” female

NOTE:

  Flow controls are adaptable to other thread configurations. 

Vandal resistant models are available. Please call factory
If adapter or vandal resistant model is needed. 

Chronomite Laboratories is a Member of Morris Group International™

ELECTRIC TANKLESS WATER HEATER - POINT OF USE

FIGURE 2

FLOW CONTROL

INSTALLATION

(See Parts List #8)

Summary of Contents for M-15L

Page 1: ...com TABLE OF CONTENTS 2 Dimensional Data 3 Installation 4 5 Specifications 6 Troubleshooting 7 Warranty Information 8 Technical Information REQUIRED ITEMS FOR INSTALLATION NOT SUPPLIED Electrical Junc...

Page 2: ...937 4270 FAX 626 937 4279 3100 003 001 II 927 06 17 REV 9 Page 2 of 8 MODEL VOLTAGE ACTIVATION 80 GPM 3 0 LPM 1 0 GPM 3 8 LPM 1 2 GPM 4 5 LPM M 15L 277 0 35 GPM 1 3 LPM 35 F 20 C 28 F 16 C 24 F 13 C M...

Page 3: ...8 INSTANT FLOW MICRO DIMENSIONAL DATA 3100 003 001 II 927 06 17 REV 9 101 8 257 1 1 16 27 17 8 48 1 1 16 27 23 4 70 1 1 16 27 53 4 146 1 4 6 1 4 6 95 8 244 7 32 6 3 5 16 84 2 51 61 4 159 Chronomite L...

Page 4: ...ly open Do not throttle inlet 5 Turn on circuit breaker Turn on water flow to exceed activation point listed in chart 2 The unit is almost ready for use Shut off circuit breaker 6 Check for leaks at a...

Page 5: ...to follow these installation and operation instructions NOTICE Air in the heater may cause the elements to burn out If the water lines are drained allowing air into the heater be sure to follow the fo...

Page 6: ...exceed GPM LPM however less water can always be used Consumer can mix the cold water as with a conventional system See Flow Control Models Chart below CHRONOMITE TECHNICAL SUPPORT TOLL FREE 800 447 4...

Page 7: ...fer to Figure x for location This reading should be between 6 and 30 ohms for each element 8 Check Flow Rate Controlling flow rate is essential to insure proper temperature increase In the case of the...

Page 8: ...local plumbing and or building codes and or regulations 2 Chronomite is not liable under this warranty if the water heater has not been continuously supplied with potable water or the water inlet tem...

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