34
Commissioning
•
Water loop electric heating conditions
During heating, when the discharge water temperature
＜
"
set heating temperature
"
–
"
heater start-up temperature difference
"
, the
water loop electric heating will be activated; when the discharge water temperature
≥
"
set heating temperature
"
-
"
heater stop temperature
difference
"
, the water loop electric heating will be turned off.
6-3. Controller Operation Instructions
Centralized controller (MC-11) is used for the start/stop control of multiple units. Please refer to instructions for the operation of centralized con
-
troller. For single unit, user can use TM71 controller to control the unit.
The controller is connected to the CN4 interface of the mainboard of electric control box. The centralized controller uses CN29 interface.
1. Introduction
User can use this controller for operation mode selection, start/stop, timed start/stop, fault clearing and parameter setup.
The controller can display return water temperature, discharge water temperature and operation status of compressor and pump in real time.
TM71 Wired Cont roller User Manual
Material Number: 690132030001/ Version:F
Please read the manual and ope rate the cont roller acco rding to the inst ruction
1
Illust ration of Cont rol and Displ ay Panel
8
16
15
14
13
11
12
10
9
17
7
6
5
4
3
2
1
1.1 Control Panel
1. -
ON/OFF bu tton.
2. -
MODE bu tton.
Press this bu tton before sta rt-up to choose
cooling or heating.
3. -
RESET bu tton.
When malfunction alarm, press this bu tton
to reset system manuall y.
4. -
SETTING bu tton.
Press this bu tton to set values ( Password
needed).
5. -
Time query/ se tting button.
6. -
Timer bu tton, Press this bu tton to select the
desired timer function.
7, 8. -
Press these two bu ttons to view or modify
the set values.
1.2 Display Panel
9. -
Defrosting operation displa y.
10. -
Water pump sta rt-up displa y.
11. -
Anti-freeze mode displa y.
12. -
Compressor #2 sta rt-up displa y.
13. -
Auxiliary electrical heater sta rt-up displa y.
14. -
Heating mode displa y.
15. -
Compressor #1 sta rt-up displa y.
16. -
Cooling mode displa y.
17. -
Window for temperature and values displa y.
2
Operation Int roduction
1. On-off
Choose required mode fi
r
stl
y, press
then unit
will run on this mode.
P
ress this bu tton again to
shut down. Do not press
frequently.
2. Mode selection
Includeing cooling mode and heating mode. Mode
should be selected a fter shut-down.
3. Value browse
Press
fi
rstly, then press
,
to browse the
value.
4. Leaving water temperature display During oper -
ation, press MODE bu tton to show leaving water
temperature for 6 seconds.
5. Reset
When malfunction displa y, press
.
6. Value Se tting
The five values mentioned ab
ove may be set
through
and
,
.
7. Normal displ ay
On normal condition,entering water temperature,
compresso r, heater and water pump paramete rs are
displayed. There will be ba cklight when communica -
tion fails.
4
Factory Se tting
Code in
controller
name of
parameter
MAX.
MIN.
regulation
accuracy
default
setting
3
Max. time of defrost
15min
8min
1min
10min
5
600s
60s
10s
10
(100s)
6
no detect time of low pressure switch (after compressor
running)
600s
10s
10s
4
(40s)
10
Min.running time of compressor
4min
2min
1min
3min
11
Min.stop time of compressor
4min
2min
1min
3min
14
Lock time of cooling antifreeze
60min
3min
1min
3min
20
cooling antifreeze enter temperature (outlet water)
5ºC
-20ºC
1ºC
3ºC
21
cooling antifreeze exit temperature (inlet water)
10ºC
-5ºC
1ºC
8ºC
23
standby antifreeze exit temperature (winter)
15ºC
1ºC
1ºC
15ºC
26
ambient temperature of allowing access to defrost
20ºC
10ºC
1ºC
15ºC
30
Temperature difference of loading
3ºC
0ºC
1ºC
1ºC
31
Loading and unloading cycle
300s
10s
10s
9
(90s)
32
480 step EXV opening value (in defrost)
480step 100setp
10step
48
(480step)
35
Temperature difference of electric heater start
20ºC
0ºC
1ºC
10ºC
36
Temperature difference of electric heater stop
20ºC
0ºC
1ºC
6ºC
45
Mandatory defrosting interval
12h
1h
1h
4h
61
2000 step EXV opening value (in defrost)
2000step 400setp
100step
18
(1800step)
3
Cus tomer Se tting
Code in controller
name of parameter
MAX.
MIN. regulation accuracy default setting
016
COOLING SETTING TEMP.
15ºC
5ºC
1ºC
7ºC
017
HEATING SETTING TEMP
50ºC
25ºC
1ºC
45ºC
022
8ºC
1ºC
1ºC
5ºC
001
Defrosting Time lag
90min
30min
3min
40min
Password range
75
50
1
50
Pass word En ter
Press
5 seconds, a fter display “50” , press or
, when display“66” and press .
Cooling Se tting Temperatur
e Modification
Range: 10
º
C ~ 25
º
C.
Operation: af
ter confirm password, press
or
, when display“16” in time area (
), press
and
adjust the value, press
again to exit.
5
Paramet
er Modification
8.1 Pass word En ter
Press
5 seconds, a fter display “50”
, press
or
,
when display“72” and press .
8.2 Water Switch Delay Time
Range: 60S ~ 6 00S.
Operation: af
ter confirm password, press
or
,
when display “05” in time area (
), press
and adjust the value, press
again to exit.
8.3 Query So ftware Version
Press
5 seconds, a fter display“50” , and press
again Main display area “
” show the version of sin -
gle unit controller Time display area“
”show
the version of so ftware.
6
Time Se tting
9.1 Clock Se tting
Time se tting range: 00:00 ~ 23:59
Operation: press
, choose “
” flash displa
y, and
“
”also flash displa
y, press
or
to adjust
time, if press
or
for 2 seconds, the time will
decrease or increase qui ckly, press
to exit.
9.2 Se tting Open Time
Time se tting range:
00:00 ~ 23:59
Operation:
press
,choose “
” flash displa
y, and
“
”also flash displa
y, press
or
to adjust
time, if press
or
for 2 seconds, the time will
decrease or increase qui ckly, press
to exit.
9.3 Se tting Close Time
Time se tting range:
00:00 ~ 23:59
Operation:
press
,choose “
” flash displa
y
, and
“
”also flash displa
y, press
or
to adjust
time, if press
or
for 2 seconds, the time will
decrease or increase qui ckly, press
to exit.
9.4 Timer Function
Operation:
press
, when “
” display, ON timer is
activated;
Press
, when
“
” display , OFF timer is activated;
Press
, when
“
” display, ON OFF timer is
activated;
Press
, when
“
” disappear, ON OFF timer is
inactivated;
2. Illustration of control and display panel
3. Operation introduction
• Control panel
1.ON/OFF button.
2.MODE button.
Press this button before start-up to choose
cooling or
heating.
3.RESET button.
When malfunction alarm, press this button to reset
system manually.
4.SETTING button.
Press this button to set values ( Password needed).
5.Time query/ setting button.
6.Timer button, Press this button to select the desired
timer function.
7,8.Press these two buttons to view or modify the set values.
• Display panel
9.Defrosting operation display.
10.Water pump start-up display.
11.Anti-freeze mode display.
12.Compressor #2 start-up display.
13.Auxiliary electrical heater start-up display.
14.Heating mode display.
15.Compressor #1 start-up display.
16.Cooling mode display.
17.Window for temperature and values display.
• On-off
Choose required mode firstly, press then unit will run on this mode. Press this button again to shut down. Do not press frequently.
• Mode selection
Includeing cooling mode and heating mode. Mode should be selected after shut-down.
• Value browse
Press firstly, then press , to browse the value.
• Leaving water temperature display During operation, press MODE button to show leaving water temperature for 6 seconds.
• Reset
When malfunction display, press .
• Value Setting
The five values mentioned above may be set through and , .
• Normal display
On normal condition,entering water temperature,compressor, heater and water pump parameters are displayed. There will be backlight when
communication fails.
