Starting And Running; The Appliance's Heating Cycle - A.O. Smith ADMR-40 Installation, User And Service Manual

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9
9.1

Starting and running

Start the appliance as follows:
1. Fill the appliance (5 "Filling").
2. Open (3.5 "Installation diagram")
valve.
3. Switch on the power to the appliance using the
isolator between the appliance and the power
supply.
4. Switch the electronic controller ON by setting the
ON/OFF switch to position I.
The display will now show INTERNAL CHECK for
about 10 seconds and go to the main menu.
INTERNAL CHECK
MENU
»OFF
^ ON
È WEEK PROGRAM
5. Press the blue arrow once ( ) to position the
cursor in front of ON and press
display shown in the figure will appear.
»START OPERATION
^ CHANGE SETPOINT
È Tset=65ÉC
6. Confirm the START OPERATION by pressing
.
The appliance is now in "ON mode". If there is a
heat demand, the appliance will run through the
heating cycle (2.3 "The appliance's heating
cycle").
If the heating cycle is not run, there is no heat
demand; if this is the case, Tset will probably need
to be set (11.3 "Setting the water
Instruction manual ADMR
Starting and running
9.2
The appliance's heating cycle is activated as soon as
the measured water temperature (T
threshold value (T
the manual gas
on the currently selected appliance operating mode.
For example, if the appliance is in "OFF mode" (frost
protection), then this value is 5°C. If the appliance is in
"ON mode", then this threshold value is selectable, for
example, 65°C.
The heating cycle runs in turn through the following
states:
1. HEAT DEMAND
2. WAITING TIME
3. FLUE DAMPER
4. PRE-GLOW
5. IGNITION
6. RUNNING
7. WAITING TIME
The complete cycle is explained in the following
example, which assumes the appliance is in the basic
mode ON.
operating modes.
Once the appliance starts, it will run through the
following steps:
. The
1. The water temperature drops below the set
ON
13:45 Thursday
HEAT DEMAND
2. Following demand, the waiting time starts. The
temperature").

The appliance's heating cycle

). This threshold value depends
set
Note
The same heating cycle applies to the other
temperature of (for example) 65°C. The electronic
controller detects a demand and starts the heating
cycle.
- The icon is activated.
- The message HEAT DEMAND appears.
Ê
63ÉC
Tset 65ÉC
waiting time lasts approximately 12 seconds.
- The icon is activated.
- The message WAITING TIME appears.
) falls below the
net
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