DORCHESTER DR-FC 25, Инструкции по установке, пусконаладке и обслуживанию

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Starting up and shutting down
52 Instruction Manual DR-FC
7
gis
- Confirm with
E
the option
START OPERATION
.
The water heater will now enter “ON mode”. If there is a heat demand,
the water heater will run through a heating cycle. See paragraph
’7.4 The water heater’s heating cycle’ .
If the heating cycle is not run, then there is no current heat demand;
should this happen, then T
set
will probably need to be set. This is
described in paragraph ’8.4 Setting the water temperature’
7.3 Shutting down
You can:
•
Shut the water heater down for a brief period (“OFF mode”) .
• Isolate the water heater from the power supply .
• Shut the water heater down for a longer period .
7.3.1 Shut the water heater down for a brief period (“OFF mode”)
To shut the water heater down for a brief period, you must activate the frost
protection.
With the frost protection you can prevent water freezing in the water heater.
Activate the frost protection as follows:
1. Press button
B
to select the main menu.
2. Using
H
and
L
position the cursor (
»
) beside
OFF
.
Confirm with
E
.
The frost protection cuts in if the water temperature drops below 5°C. The text
FROST
will then appear on line one of the display The water heater will heat the
water to 20°C (T
set
) before dropping back to
OFF
mode.
n Remark
These values of 5°C and 20°C cannot be adjusted.
7.3.2 Isolate the water heater from the power supply
The water heater should only be disconnected from mains power in the correct
way. The correct procedure is as follows:
1. Activate the
MENU
with
B
.
2. Use
H
and
L
to position the cursor beside
OFF
. See Figure 7.6 .
3. Confirm
OFF
with
E
.
4. Wait until the fan has stopped. The
S
icon is then dimmed.
c
Note
Failure to wait until the fan stops can cause damage to the appliance.
»START OPERATION
^ CHANGE SETPOINT
È Tset=65ÉC
Figure 7.4 Starting up
OFF
13:45 Thursday 6ÉC
FROST PROTECTION
ACTIVATED
Figure 7.5 Frost protection
MENU
»OFF
^ ON
È WEEK PROGRAM
Figure 7.6 Main menu