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MM-LF  

 09/06/18

®

INSTANT-FLOW  MICRO MIX  - LOW FLOW

ELECTRIC TANKLESS WATER HEATER - POINT OF USE 

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Model Number & Options_____________________________________________________________________Quantity_______________

Company_______________________________________________________________________________________________________

Contact_________________________________________________Title____________________________________________________

Signature 
(Approval for
Manufacturing)__________________________________________________________________Date ____________________________

PH. 800-447-4962

 626-937-4270

FAX 626-937-4279

www.chronomite.com

TECHNICAL DIMENSIONS

INSTALLATION  DIAGRAM

WIRING CONNECTION

"GRD" is

 earth 

 ground.

Conduit

Refer to local

code for wire size

Hot or

Neutral

Hot or

Neutral

ATTENTION: 

Unit must be hard wired.

NOTE: Heaters are single phase. 

All tests are measured at

the output of the heater.

!

The microprocessor adjusts the heater's power for variations in flow

  rates, inlet water temperature and pressure to assure the selected
  factory preset water temperature.

!

GENERAL NOTES:

!

240V models when operated at 220V will have approximately a 15%

  wattage decrease.

1/4"

9-5/8"

5-3/4"

ø 3/16", 4 Mounting Holes

1/4"

Front Service Panel

!

Microprocessor limits temperature increase according to the pre

  selected temperature.

!

The combination of Chronomite’s IAPMO certified instantaneous

  water heater and the Chronomite’s IAPMO certified valve assembly
  AP-12, when installed per the instructions, complies with ASSE
  1070. Reference: IAPMO R&T Certificate no. 7257.

Minimum Operating Flow Rate: 

 0.35 GPM

Housing Color: 

White

INSTANT-FLOW

®

 MICRO MIX™ - LOW FLOW 

Weight: 

6 lbs.

Maximum Pressure: 

150 PSI

Minimum Operating Pressure: 

25 PSI

Maximum Operating Temperature: 

160°F

Listing: 

UL, IAPMO, UPC, ADA, ETL

Dimensions: 

6-1/4" (H) x 9-5/8" x 2-3/4"

Maximum Operating Pressure: 

80 PSI

Materials:        Rugged cast aluminum housing, Celcon
                       plastic element assembly with Nichrome
                         coils and AP-12 mixing valve assembly

Electrical 
Knock-Out
Behind Unit

ø 1" Access Hole

1-1/8"

2-3/4"

10-1/8"

1-1/8"

1-5/16"

AP-12 Mixing 
Valve Assembly

17-1/4"

Acorn Family of Companies

Micro Mix 

Heater

J-Box

Mounting 

Flanges (4)

3/8" 

Cold Water 

Faucet Feed

5/8" x 3/8" x 3/8"

Three Way Angle 

Stop Valve

3/8" Cold Water Inlet

Note: Heater to be
installed below the level 
of all hot water outlets 
serviced by the heater

3/8" Hot 

Water Faucet

 Feed

Compression Fittings (2)

Chronomite Laboratories assumes no responsibility for use of void or suspended data. © Copyright Chronomite Laboratories, Inc.
Member of Morris Group International, City of Industry, CA   Please visit 

www.chronomite.com

 for most current specifications.

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