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Instruction manual ADMR 33
is
3.10.9 Connecting an extra error signal ("Alarm OUT")
Alarm OUT is a potential free terminal that is switched when an error is
detected. This can be used to signal errors, for example with a lamp. A 230 V
circuit can be directly powered. For other voltages, a specific relay with cable
harness and instructions is available from A.O. Smith. The power to this relay
can be connected to terminals 22 and 23.
1. Feed the power cable through the metric strain relief in the top of the control
column.
2. Connect the live cables (X
1
and X
2
) to terminals 19 and 20 as indicated in
the terminal block connections table (3.10.2 "Preparation")
.
3. If required, connect earth ( ) to terminal 21.
4. Turn the strain relief tight to clamp the lead.
5. If you do not need to make any more connections, fit the protective cover
onto the control column.
3.11 Checking the supply
pressure and burner
pressure
Note
Before starting the appliance and/or checking the supply pressure and
burner pressure, you must fill (5 "Filling") the appliance.
Caution
Before starting up for the first time or after conversion, you must always
check the supply pressure and burner pressure.
Note
The easiest way to check the gas pressures is by using two pressure
gauges. This procedure assumes that these two gauges are available.
Gas control for ADMR 40 through 115
Legend
Only applicable numbers are
mentioned.
1. burner pressure regulator
2. burner pressure regulator cap
3. burner pressure regulator
adjustment screw
4. gas control connector
5. blank plate
6. supply pressure test nipple
7. gas control
8. manifold test nipple
1
4
5
6
7
2
8
3
IMD-0127 R1
33


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