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CHRONOMITE HIGH CAPACITY INSTANT-TEMP WATER HEATERS
INSTALLATION AND OPERATION INSTRUCTIONS (208-240V 3
(Before installation, compare electrical requirements needed for the model of heater selected)
Model
ER-90x/208_3P
ER-90x/240_3P
ER-120x/208_3P
ER-120x/240_3P
x = (L)-Low Activation
(S)-Standard Activation
(H)-High Activation
HCH Instant-Temp Specifications:
Dimensions: 15-1/2" x 17-1/8" x 6-1/4"
Weight: 35 LBS
Materials:
Rugged stainless 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
TABLE 1 – Electrical Specifications
Wattage
Amps per
3Φ Voltage
Phase
18,700
52
21,600
52
24,960
69
28,800
69
3 Pole Circuit Breaker
Intermittent Duty
208
60 amp
240
60 amp
208
70 amp
240
70 amp
Mounted Unit
Models)
Φ
Continuous Duty
70 amp
70 amp
90 amp
90 amp
1 |
P a g e
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Summary of Contents for Chronomite ER-90 208 3P Series
- Page 1 CHRONOMITE HIGH CAPACITY INSTANT-TEMP WATER HEATERS INSTALLATION AND OPERATION INSTRUCTIONS (208-240V 3 Models) Φ (Before installation, compare electrical requirements needed for the model of heater selected) TABLE 1 – Electrical Specifications Model Wattage Amps per 3Φ Voltage 3 Pole Circuit Breaker...
- Page 2 TABLE 2 – Flow Switch Activation Flow Switch Activation 3 Module Heaters Low Activation (L) 0.35 GPM Standard Activation (S) 1.20 GPM High Activation (H) 2.80 GPM THE MANUFACTURER OF THIS WATER HEATER WILL NOT BE LIABLE FOR ANY DAMAGES CAUSED BY THE FAILURE TO FOLLOW THESE INSTALLATION AND OPERATION INSTRUCTIONS.
- Page 3 Top and Bottom FIGURE 1 - Heater Installation Items Needed for Installation: Item Part No. Title Description Chronomite Instant-Temp HCH See Figure 1 Electrical Conduit Length as required Enter via Top or Bottom 3a/b Inlet / Outlet Valve – ¾” NPT...
- Page 4 ELECTRICAL INSTALLATION: 1. Connect power supply wires appropriately sized and protected by three pole circuit breaker to the input terminals on the heater (hard wired) as shown in the Figure 2 wiring diagram below. Refer to Table 1 above on Page 1 for the voltage, amp and phase ratings of the supply power. Use 3 wires plus ground for the 3 phase heaters.
- Page 5 IMPORTANT NOTES: Air in the heater may cause the elements to burn out. If the water lines are serviced or drained upstream of heater, be sure to use the following start up procedure: 1. Turn off electrical supply at circuit breaker. 2.
- Page 6 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 140°F provided the wattage of the heater selected is capable of producing the temperature increase at the requested flow rate.
- Page 7 Chronomite Laboratories, Inc.’s Installation Instructions provided. Chronomite Laboratories, Inc. will repair or exchange parts at the factory at no cost. This warranty is limited to repairing or replacing said products which prove to be defective upon factory inspection FOB City of Industry, CA Chronomite Labs, Inc.
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