Hubbell Electric Heater Company EMV Water Heater User Manual


 
7
OPTIONS
The following optional features may be included in your water heater. Reference included drawing specific to
your heater for further details.
Low Temperature Alarm Dry Contacts
A low temperature thermostat is available with dry contacts to remotely alarm when the tank water temperature
falls below a specified setpoint. The low temperature thermostat is adjustable from 30-110°F.
High Temperature Alarm Dry Contacts
High temperature alarm dry contacts are available with the optional immersion high limit cut-out switch to
remotely alarm when the tank water temperature rises above the high limit setpoint.
Outdoor Weather Package
The optional outdoor weather package includes a 304 stainless steel outer protective jacket, a weather resistant
electrical housing, and 6” high tank legs to raise the entire unit off the floor.
Flow Alarm
An optional flow alarm may be included to signal that there is tepid water flow.
Explosion Proof Construction
The system may be constructed for installation in a hazardous location.
Mixing Valve Enclosure
An optional fiberglass enclosure provides added protection for the mixing valve in outdoor environments.
Multiple Units
Multiple units may be piped together to meet the needs of larger demand systems.
Alternate Heat Sources
An optional heat exchanger may be factory installed to utilize steam or boiler water as the heating source.
SECTION II – INSTALLATION
WARNING / CAUTION
DO NOT TURN ON THE ELECTRIC POWER SUPPLY to this equipment until heater is completely filled
with water and all air has been released. If the heater is NOT filled with water when the power is turned on,
the heating elements will burn out.
For protection against excessive pressures and temperatures, local codes require the installation of a
temperature-and-pressure (T&P) relief valve certified by a nationally recognized laboratory that maintains
periodic inspection of production of listed equipment of materials, as meeting the requirements for Relief
Valves and Automatic Gas Shutoff for Hot Water Supply Systems. ANSI Z21.22-1971. THE CUSTOMER IS
RESPONSIBLE TO PROTECT PROPERTY AND PERSONNEL FROM HARM WHEN THE VALVE
FUNCTIONS.
All water heaters have a risk of leakage at some unpredictable time. IT IS THE CUSTOMER'S
RESPONSIBILITY TO PROVIDE A CATCH PAN OR OTHER ADEQUATE MEANS, SO THAT THE
RESULTANT FLOW OF WATER WILL NOT DAMAGE PROPERTY.
WATER HEATER PLACEMENT
1. Place the heater on a solid foundation in a clean, dry location nearest to the point of most frequent
tepid water use
2. The water heater should be protected from freezing and waterlines insulated to reduce energy and
water waste.
3. Leave a minimum of 18” clearance for element withdrawal.
4. Do not install in an area where flammable liquids or combustible vapors are present, except when
installed with the explosion proof option.