A.O. Smith EES - 30, Инструкция пользователя

Страница: 7 / 16

7
2. FOR THE INSTALLER
2.1 Installation instructions
The heater will not be installed but in spaces meeting the
national and local regulations. These spaces will be frost
protected.
2.1.1 Installation
The installation will be effected according to the current
general and local regulations of the electric and water
works, and that, by an authorised installer.
2.1.2 Water connection
The max. admissible working pressure of the heater
will amount to 8 bar. On the cold water side, the heater
will have to be provided with a stop valve, as well as an
approved inlet combination. The overpressure side, of the
inlet combination, will have to be connected to an open
water discharge. Insulating long pipes, will prevent from
waste of energy.
2.1.3 Electrical connection
The electric installation will always be effected by an
authorised installer, as well as according to the general
and current regulations of the electricity works. This
heater will have to be provided with a main switch, as
soon as a fixed connection is involved.
Warning: Earth the equipment
In the case of schema B with night current option, connect
the day current connection to L1, connect the night
current connection to L2 and remove the jumper (dotted).
1) Connection current at day tariff
2) Safety thermostat of two poles
3) Regulating thermostat provided with a selector switch
4) Heating elements
5) Regulating thermostat
6) Connection with option night current rate
A
B
A B
Wiring diagram for non-simultaneous use of heating
elements
Wiring diagram for non-simultaneous use of night power
supply.
Scope:
EES30-EES40-EES52
EES66-EES80-EES 120
Scope:
EES30-EES40-EES52
EES66-EES80-EES 120
Power supply: 220-240 V 50-60 Hz IP40 Power supply: 220-240 V 50-60 Hz IP 40