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CHRONOMITE HIGH CAPACITY INSTANT-TEMP WATER HEATERS 

INSTALLATION AND OPERATION INSTRUCTIONS (208-240V Models) 

(Before installation, compare electrical requirements needed for the model of heater selected) 

 

TABLE 1 – Electrical Specifications 

2 Module Heaters (60-80 amp) 
 

Model

 

Wattage

 

Total 

Amps

 

1Φ Voltage

 

Circuits

 

Double Pole Circuit Breakers 

Intermittent Duty       Continuous Duty 

ER-60x/208_12500

 

12,500 

60 

208 

Qty 2 x 30 amp 

Qty 2 x 40 amp 

ER-60x/240_14400

 

14,400 

60 

220-240 

Qty 2 x 30 amp

 

Qty 2 x 40 amp

 

ER-80x/208_16600

 

16,600 

80 

208 

Qty 2 x 40 amp

 

Qty 2 x 50 amp

 

ER-80x/240_19200

 

19,200 

80 

220-240 

Qty 2 x 40 amp

 

Qty 2 x 50 amp

 

 
3 Module Heaters (90-120 amp) 
 

Model

 

Wattage

 

Total 

Amps

 

1Φ Voltage

 

Circuits

 

Double Pole Circuit Breakers

 

Intermittent Duty       Continuous Duty 

ER-90x/208_18700

 

18,700 

90 

208 

Qty 3 x 30 amp 

Qty 3 x 40 amp 

ER-90x/240_21600

 

21,600 

90 

220-240 

Qty 3 x 30 amp

 

Qty 3 x 40 amp

 

ER-120x/208_25000

 

25,000 

120 

208 

Qty 3 x 40 amp

 

Qty 3 x 50 amp

 

ER-120x/240_28800

 

28,800 

120 

220-240 

Qty 3 x 40 amp

 

Qty 3 x 50 amp

 

 
x = (L)-Low Activation 
      (S)-Standard Activation 
      (H)-High Activation 

 
HCH Instant-Temp Specifications: 

Dimensions: 15-1/4” x 17-1/2” x 6-1/4”  
Weight: 24 LBS (2 module) / 26 LBS (3 module)  
 
Materials:  

 

Rugged steel housing and cover 

 

Celcon plastic element assembly with nichrome 
coils  

 
Minimum Operating Pressure: 25 PSI  
Maximum Operating Pressure: 80 PSI  
Maximum Pressure: 150 PSI  
No pressure relief valve needed, unless required by local 
code. 
 
Maximum Operating Temperature: 140°F  
Listings: UL, UPC 

Mounted Unit 

Summary of Contents for ER-60X/208_12500

Page 1: ...0 120 amp Model Wattage Total Amps 1Φ Voltage Circuits Double Pole Circuit Breakers Intermittent Duty Continuous Duty ER 90x 208_18700 18 700 90 208 3 Qty 3 x 30 amp Qty 3 x 40 amp ER 90x 240_21600 21 600 90 220 240 3 Qty 3 x 30 amp Qty 3 x 40 amp ER 120x 208_25000 25 000 120 208 3 Qty 3 x 40 amp Qty 3 x 50 amp ER 120x 240_28800 28 800 120 220 240 3 Qty 3 x 40 amp Qty 3 x 50 amp x L Low Activation...

Page 2: ...ousing using molly anchors or fasteners CAUTION Heating elements may burn out if unit is not mounted with heater modules horizontally 3 Insure placement of heater allows 5 clearance for screwdriver access to remaining 3 sides of heater to allow cover removal and future servicing if needed See Fig 1 4 Attach electrical conduit and fittings to the 1 electrical access hole on either top or bottom of ...

Page 3: ...pe Length as required 6 L 212 Faucet Flow Control Dual Thread 6 15 16 Male 55 64 Female L 212 for L Low Activation Models Items 1 and 6 are supplied Inlet Pipe Inlet Valve Inlet Union Hi Limit Thermostats Outlet Pipe Temperature Adjustment Potentiometer Mounting Holes Qty 4 5 Minimum Fastener Clearance Electrical Entrance located Top and Bottom 3a 5a 4a 5b 2 Chronomite Instant Temp HCH 1 Outlet Va...

Page 4: ... at a time 3 Ensure water inlet outlet valves are both open 4 Turn on circuit breakers Carefully ensure the red LED is illuminated at each circuit board module The unit is almost ready for use Shut off circuit breakers 5 Install cover Install the 4 cover mounting screws Turn on circuit breakers Unit is now ready for use 6 Local plumbing and electrical codes must be followed in this installation of...

Page 5: ...es a series of ingeniously designed coils that instantly heats water as it flows through the vessel A unique power switch automatically applies electrical current to the coils when hot water is being requested The microprocessor maintains a constant output temperature at the pre selected temperature The electrical current is not applied to element when the heater is below the activation point or n...

Page 6: ...crew in small increments counter clockwise to the left c Once temperature is acquired tighten the nut Temperature Adjustment H Activation Models The H model is factory preset for 84 F only and is designed for tepid water use See Table 3 temperature chart for each model to determine the temperature range of the heater installed TABLE 3 Temperature Rise Chart 2 Module Heaters 60 80 amp Model Wattage...

Page 7: ...t off power on all breakers Remove cover Push in reset button on each module Refer to Figure 1 for location s 7 Heater Element s Shut off power on all breakers Remove cover Measure element resistance by using an ohmmeter or multi meter Obtain your reading off of one termination rod with brass nut and bottom center tap on each heater module This reading should be between 6 and 30 ohms for each elem...

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