Lochinvar EcoSword LGC 160-210 G P CE, Installation, Commissioning, User & Maintenance Instructions

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12. If necessary, use a hex driver to adjust the adjuster screw until the CO
2
value is
correct.
a)
Turn the screw clockwise for a higher CO
2
value.
b) Turn the screw anticlockwise for a lower CO
2
value.
13. If applicable, set the temperature value back to the original value (parameter
002
).
14. Set parameter
201
to
dIS
, refer to Settings (see 10).
15. Press [RESET]. The water heater goes into OFF mode.
16. Set the control switch on the side of the water heater to 0 to turn off the water
heater.
17. Remove the measurement probe of the CO
2
meter from the test nipple and place the
cap (1) back on the nipple (2).
18. Shut off the gas supply.
Fig. CO
2
value
1
2
1. Cap
2. Test nipple
8.9.5 Turn on the water heater
Refer to the procedure in the user part to Turn on the water heater (see 4.2).
8.10 Decommisioning
To decommission the water heater:
1.
Turn off the water heater (see 8.10.1)
2. Drain the water heater (see 8.10.2)
8.10.1 Turn off the water heater
Refer to the procedure in the user part to Turn off the water heater (see 4.3) and isolate
the water heater from the mains power supply.
8.10.2 Draining
Refer to the installation diagram (see 8.3) when you drain the water heater:
1.
Close the manual gas valve (10).
2. If applicable, close the service stop valve (11) in the hot water pipe.
3. Close the stop valve (10).
4. Open the drain valve (9).
5. Aerate the entire installation of air until the water heater is completely drained.
54 Installation, Maintenance and Service part