Electrical Connections; Electrical-All Sizes And Voltages - Hatco IMPERIAL "S" Installation & Operating Manual

ELECTRICAL-ALL SIZES AND VOLTAGES

General
Hatco Electric Booster Water Heaters are available
for operation on standard power systems. Check the
identification decal for the proper power supply.
CAUTION
To assure proper performance Hatco Electric
Booster Water Heaters are only to be connected
to the same power supply as indicated on the
specification decal. Units connected to an
incorrect power supply voids the product
warranty and may damage the equipment.
All internal electrical connections have been made
at the factory. See CIRCUIT BREAKER AND FUSE
SIZING CHART for supply wire size, fuse, breaker
and conduit recommendations.
WARNING
To avoid personal injury or damage to
equipment, the booster heater must be installed
by qualified, trained installers. Installation must
conform to all local electrical and plumbing
codes. Check with your local plumbing and
electrical inspectors for proper procedures and
codes
WARNING
For proper electrical installation conforming to
local electrical codes and the National Electrical
Code (N.E.C.), consult a licensed electrical
contractor.
WARNING
This product contains fiberglass, a product
known to the state of California to cause cancer,
birth defects or other reproductive harm.
WARNING
To avoid any injury or damage to the booster
heater turn the power OFF at the disconnect
switch/circuit breaker and allow to cool before
performing any maintenance or adjustments.
Imperial Series
Electrical Knockout
Compact Series
Figure 16. Electrical Knockout Locations

Electrical Connections

1. Remove the front jacket cover screws, pull the
cover forward and remove the cover.
NOTE: On Imperial models, there is a hinged
access panel under the front jacket cover. Remove
the bottom screw and lift the panel up to expose the
fuse blocks.
On Mini-Compact models, remove front cover
screws. Ease cover forward and upward.
On Compact models, the control box is under the
front hinged jacket cover.
2. Locate the heater terminal or fuse block(s) inside
the unit.
NOTE: See CIRCUIT BREAKER AND DISCONNECT
SIZING CHART for proper connections and wire size.
3. Bring power leads from a properly sized
disconnect switch or circuit breaker through the
knockout provided on the unit (Figure 16), and
connect to the terminal or fuse block(s). USE
COPPER WIRE
CONNECTIONS PROPERLY TO A MINIMUM
OF 40 INCH POUNDS.
NOTE: Due to the rigors of transportation all
connections should be checked for tightness before
heater is put into operation.
4. A grounding lug is provided near the supply
terminals. An equipment grounding conductor
must be properly connected to it.
Do not turn on power to booster heater until the
tank has been filled with water and all air has
been vented through the dishwasher rinse
nozzle. The heating elements will burn out in
seconds if operated when they are not
immersed in water.
5. Replace and secure cover(s).
25
INSTALLATION
ONLY. TIGHTEN
CAUTION
Electrical Knockout
Mini-Compact Models
Form No. EBOOSTERM-0406