A.O. Smith SGE - 40, Installation, User And Service Manual

Page: 3 / 119

E1
Errata
The amendments below apply to:
the preparation of the electrical connection of the solar heating control (3.12.1 "Preparation");
finishing maintenance (15.6 "Finalizing maintenance");
the electrical diagram of the solar heating control (17.4 "Electrical diagram solar heating system").
These instructions supersede the previous instructions of the solar heating control.
3.12.1 Preparation
Remove the cover (snap-on type) from the terminal block of the solar heating control.
This has the following terminals:
Power n.a. n.a. not applicable Pump (solar) not applicable not applicable
L N - - - - - - L
3
N L
4
- - - - - - -
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
n
o
t
a
p
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lic
a
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S
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S
1
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S
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S
1
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S
2
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S
2
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P
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r
5V
S
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S
4
Flow
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ign
a
l
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B
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-li
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B
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J13 J14 J3 J12 J15 J16
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 1 2
15.6 Finalizing
maintenance
To finalize the maintenance, carry out the following steps:
1. Fill the water heater (5 "Filling").
2. Start the water heater (9 "Starting the water heater").
3. Check the CO
2
value (3.12.3 "CO
2
adjustment").
4. Check the switching pressure of the pressure switch. (3.12.4 "Switching pressure
measurement")
5. Erase the message SERVICE REQUIRED. The displayed message can be reset in
either of two ways.
1. Temporary reset:
To postpone the message, press RESET once. The message will reappear on the
display 7 days later.
2.Full reset:
To fully reset the message, press and hold both RESET and ENTER at the same
time for 5 sec.
On completion of the full reset of the message, the message below will appear on the
display. This message will NOT be shown after a temporary rest of the message.