Danfoss CCR2 Installation Manual page 7

Installation Guide
6. Control reading menu
Heating Solutions
CCR2
When the setup is complete, the reading display
will be shown on the screen.
09 - 10 - 06
12: 59: 32
No. LCD Display READING DESCRIPTION
17 10/9/06 The current time and date.
12: 59: 32 Information display alternately with information about current date e.g.: Sat - schedule status and
time. Display presented above. Data used in archive file.
18 AC: 0117 "AC: 0117" - How much data is stored in SD card:
... ... ... ... Recorded data is indicated by counter, e.g.0117 – 117 records were done. When number exceeds
9999, the counter starts counting from 0000.
Alternately with Archiver InProces – data is recorded
Alternately with Archiver Disable – data is not recorded
Alternately with NoSDcard – no SD card in CCR2
19 DayToEnd How much data can be stored per day in the memory card (for actually settings)
148
20 In B1 - M Input status B1 - M
... ... . Open – input B1 open
Close – input B1 close to M
Close ( shortcut B1 - M) can be used for disinfection initiation ( look to "DisSourc" in Install Menu.)
Function is used in parallel and sequences connection.
21 In B2 - M Input status B2 - M
... ... ... Open – input B2 open
Close – input B2 close to M
Close (shortcut B2 - M) always finished disinfection process. The end of the disinfection process can
be realised automatically (look to: Install Menu – This is Master) or manually if it is necessary to stop
the process. When it is done manually, LCD displays information – disinfection fault.
22 Out T1 0V Output status T1 - 0V (open collector)
... ... ... Open – T1 open
Close – T1 close.
T1 signal is used for permitting signal to next CCR2 in parallel or sequences connection (look to "CCR
Sys" in Install Menu)
23 Alert T2 Output status Alert T2 (triack output)
... ... .. Active – signal 24 VAC on the T2 output
NotActive – signal 0 V on the T2 output
T2 is used for alarm signal in the below situations:
- sensor failure: e.g. shortcut in sensor circuit (SensFaul)
- when disinfection process was not done successfully in riser (FaultDis)
- disinfection was stopped manually by B2 shortcut
Signal alarm can be cancelled in enter of any menu and after removal of the reason for the alarm (e.g.:
after sensor repair)
24 Rel C - NO Output status C - NO ( Free Contact Relay status: C - NO - NC)
Open - output C - NO open ( it means C - NC is closed)
... ... .
Close – output C - NO closed ( it means C - NC is opened)
Free Contact Relay is closed, when CCR2 requests high temperature from ECL or another heat source
control for disinfection process continuation. This output can be used also for external signal to
indicate disinfection process. Supporting relay is needed.
25 Disinfec Is disinfection permitted?
... ... ... ... .. Choice between:
Enable – disinfection is permitted
Disable – disinfection is switched off in settings: BASIC MENU point: "Disinfec Disable" No. 30,
chapter 8.
26 Disin.Is Is disinfection currently in progress?
... ... ... .. Choice between:
In Proces – disinfection is in progress;
Finished – disinfection is completed.
27 Dis.SetT The set disinfection temperature.
... °C The choice range is provided in a table below.
28 Adv.Fact Calculated disinfection progress ratio, updated after each division period.
... .%
29 GroupNr Number of risers in the currently disinfected group.
... ... .. If no division was made, this is the total number of risers. Option of choice divides risers into groups
during disinfection or is used in INSTALL MENU, number 39, chapter 9. Function: To be used division
enables disinfection process to accelerate in extensive hot water circulation installations.
Pressing the "+" key, turns the subsequent
reading display on. The " - " key turns the previous
reading display on. When pressing an arrow "▲"
the reading displays is quitted and the ACCESS
Sat On
CODE menu comes up, described in chapter 7.
12: 59: 32
When exitting from the menu, the first reading
display is shown. A list of readings and possible
displayed options are shown in the table below.
VI.D1.E2.1R
7 7
SMT/SI