Commissioning The Heat Engines - Potterton iHE 100/300 Installation And Servicing Instructions

• Take the free end of the ribbon cable and plug
it into X50 on PCB2.
• Power up the appliance. Avoid contact with
any of the control boards as the appliance
is now live.
• To operate QX2 on heat engine three. Switch
off appliance, move connector from X50 on
PCB2 to X50 on PCB3 and power up the appli-
ance. (Fig 5.3)
• After completion of pump operations, replace
ribbon connector onto X50 of PCB1 and all
connections on to AGU2.5 modules.
R
UNNING THE CIRCULATION PUMPS
)
SOFTWARE
1. Remove the front panel screws; open the
hinged front cover to access the electrical
control panel.
2. Connect the OCI700 using the LPB lead to the
OCI345. Located on the bottom right hand side
of the electrical control panel. NB It may be
necessary to remove the small plastic cover to
gain access to this connection. (Fig 5.5)
3. Start the ACS service software and if
necessary create a new plant name for this
appliance.
4. Open "Popcard" within "Applications"
5. Select device 1 and open
iHE
Fig 5.2
Fig 5.3
(OCI700
6. Select "IO" Test
7. Left click on "Relay test" line 7700 and change
actual value to:
• "QX1" – To run the secondary pump on the
tank side
• "QX2" – To run heat exchanger fl ow pump
(change device to select other heat engines)
• "QX3" – To run the primary pump on the
LLH side
8. Change back to "No test" once complete
S
ETTING THE DOMESTIC HOT WATER
TEMPERATURE
The DHW set point can be altered by performing
the following actions from the default screen:
1. Press the "OK" button
2. Using the scroll wheel select "Domestic Hot
Water", press "OK".
3. Press "OK", the temperature should now be
fl ashing. Use the scroll wheel to set desired
temperature, press "OK"
4. Press "ESC" twice to return to default display
(See seperate User Guide for more detail
on setting both heating and hot water
temperatures and times)
COMMISSIONING THE HEAT
ENGINES
The gas mixture and heater gas rate is factory set.
Please do not attempt to change the settings of the
governor behind the sealed cover. However, it is
an important part of commissioning to check the
gas rate of the appliance and that the combustion
emission levels are correct.
As this appliance contains several heat engines,
the manufacturer recommends that commissioning
is done using Siemens OCI700 service tool,
available from the manufacture. If this service tool
is not available to the commissioning agent, then
the following manual procedure can be used:
C P
OMMISSIONING ROCEDURE
Please follow the following procedure if you are not
using Siemens OCI700 service tool.
1. Remove the front panel screws; open the
hinged front left cover and the inner control
panel.
2. Hinge back inner control panel and pull off
the electrical connector to all the gas valves
except the one to the heat engine that is to
be checked. NB this will put the other heat
engines into lockout, but this can be ignored
during commissioning.
3. Power up the appliance.
23
( )
TANK
- M M
ANUAL ETHOD