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R SERIES MIGHTY MITE
WATER HEATER
INSTALLATION AND OPERATION
INSTRUCTIONS
TABLE OF CONTENTS
Technical Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Dimensional Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
REQUIRED ITEMS FOR INSTALLATION
NOT SUPPLIED
Electrical Junction Supply Box
?
Electrical Supply Conduit
?
Electrical Supply Wire
?
Dual Outlet Angle Stop
?
Acorn Engineering Company™ assumes no
responsibility for use of void or superseded data.
© Copyright Acorn Engineering, City of Industry,
CA Member of Morris Group International.
Please visit
www.chronomite.com
for most
current specifications.
3100-007-001
2026-6 09/23 RVG
ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY
Chronomite Laboratories is a Member of Morris Group International™
®
3/8" Flex Hose or 3/8" O.D. Tubing (2)
?
Carpenters Level
?
Flat Head Screwdriver
?
Phillips Head Screwdriver
?
Federal
Public Law
111-380
(No Lead)
CHRONOMITE
Instantaneous
Water Heaters
17451 Hurley St.
City of Industry, CA
Member of
Phone 800-447-4962
w w w. c h r o n o m i t e . c o m
91744 U.S.A.
626-937-4270
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Summary of Contents for Chronomite MIGHTY MITE R Series
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Page 1: Table Of Contents
ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY Chronomite Laboratories is a Member of Morris Group International™ ® R SERIES MIGHTY MITE WATER HEATER INSTALLATION AND OPERATION INSTRUCTIONS TABLE OF CONTENTS Technical Information ........2 Dimensional Data . - Page 2 ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY Chronomite Laboratories is a Member of Morris Group International™ ® R SERIES MIGHTY MITE IMPORTANT SPECIFICATIONS Before installation of heater, review electrical requirements needed for model of heater selected. x = (L) - Low Activation...
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Page 3: Dimensional Data
ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY Chronomite Laboratories is a Member of Morris Group International™ ® R SERIES MIGHTY MITE DIMENSIONAL DATA 3/4" NPT Male Outlet Connection 3/4" NPT Male Inlet Connection Temperature Adjustment Knob Punch for 1" Conduit 10 5 8 "... - Page 4 Mounting Holes Qty 4 FIGURE 1 - HEATER INSTALLATION Item Part No. Title Description Chronomite Mighty-Mite R Series See Figure 1 Electrical Conduit Length as required Enter via Top or Bottom 3a/b Inlet/Outlet Valve - 3/4” NPT Outlet Valve optional 4a/b Inlet/Outlet Union - 3/4”...
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Page 5: Installation
ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY Chronomite Laboratories is a Member of Morris Group International™ ® R SERIES MIGHTY MITE INSTALLATION IMPORTANT The manufacturer of this water heater will not be liable for any damages due to the failure to follow these installation and operation instructions. -
Page 6: Specifications
ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY Chronomite Laboratories is a Member of Morris Group International™ ® R SERIES MIGHTY MITE SPECIFICATIONS OPERATION INSTRUCTIONS: Turn the hot water faucet to activate the flow switch. See Table 2 for activation chart. - Page 7 ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY Chronomite Laboratories is a Member of Morris Group International™ ® R SERIES MIGHTY MITE SPECIFICATIONS Temperature Adjustment Potentiometer - (L) and (S) Activation Models The potentiometer allows the factory preset temperature of the heater to be changed in the field. The potentiometer will adjust water temperature between 70°F and 125°F provided the wattage of the heater selected is capable of producing the...
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Page 8: Troubleshooting
ELECTRIC TANKLESS WATER HEATER - LARGE CAPACITY Chronomite Laboratories is a Member of Morris Group International™ ® R SERIES MIGHTY MITE TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE Your Large Capacity MIGHTY-MITE water heater has internal user serviceable parts. Contact the factory for guidance on repair or replacement. -
Page 9: Warranty Information
EXCLUSION OF COVERAGE FROM THIS LIMITED WARRANTY: 1. Chronomite is not liable under this limited warranty or otherwise if the water heater has not been installed or maintained in accordance with Chronomite's printed instructions or installed with improper installation materials.
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