A.O. Smith ITES 1000, Installation, User And Service Manual

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Installation-, user and service manual
70
3.6.3
3.6.4
Warning
Leave the water heater electrically isolated until you are ready to commission it.
1. Connect live L
1
, L
2
and L
3
, of the power cable to terminals L
1
, L
2
and L
3
of the
terminal block as shown in the table (3.8.2 "Preparation").
2. Connect earth ( ) to the earth rail under the live-connections.
Note
For safety reasons the door of the control unit is equipped with a safety switch. When
opening the door the power to the elements is interrupted.
Connecting solar collector sensor
Note
This sensor must be mounted in the solar collector; refer to the solar collector installation
manual.
Connect the sensor (S
1
) to the water heater as follows:
1. Connect the sensor to terminal 5 and 6.
2. Fit the cables in the strain relief.
Important
When the supplied cable is not long enough, the cable can be extended to a maximum
length of a 100 meter. When this length is exceeded data can be lost.
Connecting bottom tank sensor
Connect the sensor (S
2
) to the water heater as follows:
1. Connect the sensor to terminals 7 and 8.
2. Fit the cables in the strain relief.