Electrical Connections - Bosch TRONIC 5000T ES30M Installation Manual

Installation Manual

7.10 Electrical Connections

WARNING: FIRE, SHOCK HAZARD, PROPERTY DAMAGE
 Do not use this water heater with any electrical supply
voltage other than the one listed on the data plate.This water
heater is equipped for use with one voltage rating only.
Check the data plate on the front of the water heater for
the correct voltage rating. Failure to use the correct voltage
can cause problems which can result in death, serious
bodily injury or property damage. If you have any questions
or doubts consult your electrical utility company before
installing this water heater.
WARNING: HAZARDOUS VOLTAGE
 If you lack the necessary skills required to properly install
the electrical wiring to this water heater, DO NOT PROCEED,
but have a qualifi ed electrician perform the installation.
 Before installing electrical wiring, make sure the electrical
supply to the water heater is turned "OFF".
WARNING: IMPROPER OPERATION
 This Electric Residential Water Heater is designed for
operation as specifi ed on the rating plate. All electrical
connections to elements and thermostats have been made
at the factory. DO NOT ALTER any of the internal wiring.
WARNING: SHOCK HAZARD
 The presence of water in the piping and water heater does
not provide suffi cient conduction for a ground. Nonmetallic
piping, dielectric unions, fl exible connectors, etc., can cause
the water heater to be electrically isolated.
NOTICE: PRODUCT DAMAGE
 Before closing the switch to allow the electric current to fl ow
to the water heater, make certain that the water heater is
completely full of water and that the cold water inlet valve is
open. If the heating elements are not completely immersed
in water at all times, they will be damaged if energized for
even a short t ime.When the switch is closed the operation
of the water heater is automatic.
W iring connections may loosen in shipment. Check all connections for
tightness.
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When making the electrical connections, always make sure:
 The electrical supply has the proper overload fuse or breaker protection.
 Wire sizes and connections comply with all applicable codes.
 Wiring is enclosed in approved conduit (if required by local codes).
 The water heater and electrical supply are properly grounded.
1. Provide a separate fused disconnect switch for each water heater.
2. Open cover door of the wiring connection box.
3. Bring the power leads from an adequately fused disconnect switch (not
furnished with the water heater due to varying state and local codes) and use
wire nuts to connect the power supply wiring to the wires inside the water
heater connection box. Where long runs occur, local ordinances or your utility
company may necessitate, an increase in size.
4. This water heater must be properly grounded. A ground lug is provided within
the electrical control box for connection of the properly sized ground.
5. Close the cover door of the wiring connection box.
Bosch Tronic 5000T Electric Water Heaters - BTC 724001301 A (10.2021)