Sinclair SMH-100IRA? SMH-140IRA User manual

AIR TO WATER HEAT PUMPS
SMH-100IRA
SMH-140IRA
MONOBLOCK INVERTER


“Originalinstructions”

Notices
Do not install the control where it is damp or exposed to direct sunlight.
Once the air conditioning unit is installed where possibly subject to electromagnetic interference,
shielded twisted pairs should be used as signal lines and other communication lines.
Be sure communication lines are wired to the correct ports, or normal communication would fail.
Do not beat, toss or frequently assemble and disassemble this control.
Do not operate the control with wet hands!
Figures in this Manual are just for reference!
We the manufacturers keep the right to modify this Manual owing to sales or other production
reasons without previous notice.

Contents
1. External View..........................................................................................1
1.1 Keys & Indicating LEDs .............................................................................. 1
1.2 Standby Page and Homepage.................................................................... 2
2. Operation Instructions ............................................................................3
2.1 On/Off.......................................................................................................... 3
2.2 Function Setting .......................................................................................... 4
2.3 Parameter Setting (Parameter Set) .......................................................... 22
2.4 View .......................................................................................................... 24
2.5 General Setting ......................................................................................... 29
2.6 Key Lock ................................................................................................... 30

Operation Instructions
1
1. External View
1 2 3
101112131415 9
4
5
6
7
8
(This effect drawing is just for reference)
1.1 Keys & Indicating LEDs
No. Symbol Name Functional Description
1Running indicating LED
(green) It will light on/off when the unit is turned on/off.
2Power indicating LED
(yellow) It will light on/off when the unit is powered on/off.
3Error indicating LED
(red) It will light on when some fault occurs.
4Left key It is intended to move the cursor left.
5Up key It is intended to modify the setting state or value of the selected
parameter.
6Menu key It is intended to call out the main menu or back to the homepage.
7Right key It is intended to move the cursor right.
8Down key It is intended to modify the setting state or value of the selected
parameter.
9ON/OFF key It is intended to turn on or off the unit.
10 Cancel/Return key It is intended to go to the higher level menu.
11 OK key It is intended to save the setting or go to the submenu.

Operation Instructions
2
12 Function key no. 4
It is intended to perform different functions at difference pages.
13 Function key no. 3
14 Function key no. 2
15 Function key no. 1
1.2 Standby Page and Homepage
Standby Page
Home Page
No. Item Functional Description
1 Mode It is intended to access to the actual running mode.
2 Auxiliary Func. It indicates the auxiliary function.
3 Error state It indicates if there is any error.
4 T-water out It indicates the actual leaving water temperature.
5 T-outdoor It indicates the actual outdoor environment temperature.
6 Key lock It indicates if the key lock is activated or deactivated.
7 FUNC. It is intended to access to the function setting page.
8 PARA. It is intended to access to the parameter setting page.
9 VIEW It is intended to access to the view page.
10 GEN. It is intended to access to the general setting page.

Operation Instructions
3
Note:
it includes the “Sanitize mode”, “Quiet” mode, “Auto” mode, “Floor debug” mode, “Emergen.
mode”, “Holiday mode”, “Forced Cooling” mode, “Forced Heating” mode, and “Debug” mode.
2. Operation Instructions
2.1 On/Off
It is intended to turn on/off the unit.
[Operation Instructions]
At the homepage, by pressing the ON/OFF key , the unit will be turned on/off.
When the unit is ON, the green indicating LED located at the upper right of the control will
light on. When the unit is OFF, the green indicating LED will light off.
[Notes]
① The unit is defaulted to be OFF when energized for the rst time.
② The ON/OFF key operation works only at the home page and the standby page.
③ When the “Holiday mode” or the “Emergen.mode” is activated, the ON/OFF key
operation will become ineffective.
④ When the “Forced Heating” or “Forced Cooling” is activated, it will be deactivated by
pressing the “ON/OFF” key , and then press the ON/OFF key again to start the unit.
⑤ ON/OFF operation will be memorized by setting “Memory” to be “On” at the “GEN.” setting
page. That is, in case of power failure the unit will resume running upon power recovery. Once “On/
off Memory” is set to be “Off”, in case of power failure the unit will keep “Off” upon power recovery.
⑥ At the home page, the ON/OFF key is intended to turn on/off the unit if applicable. The
Function keys no.1 to no.4 are corresponding to “FUNC.”, “PAPA”, “VIEW” and “GEN.” setting pages
respectively.
⑦ At the standby page, the Menu key is used to back to the homepage, the ON/OFF key
is used to turn on/off the unit if applicable, and all other key operations are ineffective.
⑧ The control will return automatically to the homepage where there is no any key operation in
10 consecutive minutes.

Operation Instructions
4
2.2 Function Setting
It enables the user to set each function.
[Operation Instructions]
1. At the homepage, by pressing the Function key no. 1 , the control will access to the
FUNCTION page 1, as shown in the gure below.
FUNCTION page 1
2. At the FUNCTION page, by the Right/Left key , the desired function option can
be selected, and by the Up/Down key , the setting of the current function option can be
modied. The function key no. 3 or no. 4 can be used for switch pages. After the setting
is nished, by pressing the Menu key , the control will back to the homepage, or by pressing the
Return key the control will back to the higher level menu.
[Notes]
① Move the cursor to the desired option and “Enter” will be displayed at the lower left side of the
LCD, reminding you that you are allowed to access to the submenu by pressing the OK key .
② At the FUNCTION page, when the setting of some function option is changed and needs to
be memorized, then in case of power failure it will be saved automatically and resume upon power
recovery.

Operation Instructions
5
Function Settings
No. Full Name Displayed Name Range Default Remarks
1Running mode
setting Mode
Cool
Heat
Hot water
Cool+Hot water
Heat+Hot water
Heat
When the water tank is unavailable,
then only “Cool” and “Heat” are
included in the range.
2 Control state Ctrl. state T-water out /
T-room
T-water
out
“T-Room” is available only when
“Remote Sensor” is set to “WITH”.
3 Fast hot water Fast hot water On/Off Off
When the water tank is unavailable,
this function will be reserved, and
the LCD will display ‘Reserved’.
4
Water out
temperature
control
T-water ctrl. High temp.
/Normal temp.
Normal
temp. /
5 Cool+hot water Cool+hot water Cool/Hot water Cool
When the water tank is unavailable,
this function will be reserved, and
the LCD will display ‘Reserved’.
6 Heat+hot water Heat+hot water Heat/Hot water Heat
When the water tank is unavailable,
this function will be reserved, and
the LCD will display ‘Reserved’.
7 Quiet mode Quiet mode On/Off Off /
8 Quiet timer Quiet timer On/Off Off /
9
Weather-
dependent
mode
Weatherdepend On/Off Off /
10 Holiday release Holiday release On/Off Off /
11 Disinfection Disinfection On/Off Off
When the water tank is unavailable,
this function will be reserved, and
the LCD will display ‘Reserved’.
12 Weekly timer Weekly timer On/Off Off /
13 Clock timer Clock timer On/Off Off /
14 Temperature
timer Temp. timer On/Off Off /
15 Solar kit-timer Solar timer On/Off Off
When the water tank is unavailable,
this function will be reserved, and
the LCD will display ‘Reserved’.
16 Floor debug Floor debug On/Off Off /
17 Emergency
mode Emergen. mode On/Off Off /
18 Holiday mode Holiday mode On/Off Off /
19 Thermostat Thermostat With/Without Without /
20 Assistant heater Assistant heater 1/2/Off 1 /
21 Other heater Other heater With/Without Without /
22 Chassis heater Chassis heater On/Off On /
23 Tank heater
running Tank heater On/Off On
If the water tank is available, this
function can be congured; if not,
this function will be reserved. When
“Tank heater” is set to be “Off”
but the solar kit is available, the
tank temperature can be adjusted
normally; when “Tank heater” is “Off”
and the solar kit is unavailable, then
the upper limit of tank temperature
is xed to be 50°C.

Operation Instructions
6
24
Plate heat
exchanger
heater
Plate heater On/Off On
25 Solar kit-
antifreeze Solar antifre On/Off Off
26 Water tank Water tank With/Without Without /
27 Tank sensor Tank sensor 1/2 2
When the water tank is unavailable,
this function will be reserved. and
the LCD will display ‘Reserved’.
28 Solar heater Solar heater With/Without Without /
29 Floor cong Floor cong With/Without Off
If “Floor cong” is set to “With”, the
control is defaulted to be “Normal
temp”. If not, then the control is
defaulted to be “High temp”.
30 Radiator cong Radia cong With/Without Off
31 FCU FCU With/Without Without
32 Remote sensor Remote sensor With/Without Without
When it is set to “Without”, the
“Control state” will be automatically
changed to “T-water out”.
33 Air removal Air removal On/Off Off /
34 Address Address [0~12]
[127~253] 0 /
35 Gate-Controller Gate-Controller On/Off Off /
2.2.1 Mode
It enables the user to select the run mode of the unit. When the water tank is not prepared, then
only Cool and Heat modes are available. When the water tank has been prepared and Water Tank is
set to “With” through the wired controller (see Section 2.2.26 for more details), then Cool, Heat, Hot
water, Heat + hot water, and Cool +hot water modes are available. In this case, Heat + hot water
or Cool + hot water can be given priority. (see Section 2.2.5 and 2.2.6 for more details), which is the
default setting before delivery.
[Operation Instructions]
At the equipment OFF state, access to the FUNCTION page and then move through the Left/
Right key the cursor to the “Mode” whose characters will be reversed, then press the Up/
Down key to modify its setting.
[Notes]
① The “Heat” mode is defaulted when the unit is energized for the rst time.
② The running mode is allowed to be changed only when the unit is not in operation. If it is done
with the unit being on, a window will pop up, warning “Please turn off the system rst”.
③ When the water tank is disabled, only the ‘Heat” or the “Cool” mode is allowed.
④ When the water tank is enabled, “Cool”, “Heat”, “Hot water”, “Cool+hot waterr”, “Heat+hot
water” is allowed.
⑤ For the heat pump, the “Cool” mode is allowed; for the heating only unit, “Cool+ Hot water”
and “Cool” are unallowable.
⑥ This setting can be memorized upon power failure.
2.2.2 Control State (Ctrl. state)
It enables the user to configure the control state to leaving water temperature or room
temperature.
[Operation Instructions]

Operation Instructions
7
Go to the FUNCTION page and locate Ctrl. state, then, congure it through the Up/Down key
.
[Notes]
① If “Remote sensor” is set to “With”, “T-out water” and “T-room” are available. While if
“Remote Sensor” is set to “Without”, only “T-out water” is selectable.
② This setting will be memorized upon power failure.
2.2.3 Fast Hot Water
When hot water is needed urgently, this function can be congured to be “On”, In this case, the
heat pump and the water tank heater will work together to generate sanitary hot water in a quickest
way.
[Operation Instructions]
Go to the FUNCTION page and locate “Fast hot water”, then, congure it through the Up/Down
key , “On” or “Off”.
[Notes]
① It works only when “Water tank” is set to “With”.
② This setting will be memorized upon power failure.
2.2.4 T-water Ctrl (Water Temperature Control for Heating)
There are two options for the leaving water temperature control, high-temperature water
circulation (High temp) and normal-temperature water circulation (Normal temp). When “Floor
cong” is set to “With” (see 2.2.29), then the leaving water temperature control is defaulted to be
“Normal temp”. When “FCU cong”(see 2.2.31) or “Radia cong”(see 2.2.30) is set to“With”, the
leaving water temperature can be congured to either “High temp” or “Normal temp”.
[Notes]
“Floor cong”, “FCU cong”, and “Radia cong” all can be congured to be “With”. However,
as long as “Floor cong” is congure to be “With”, only “Normal temp” is available.
[Operation Instructions]
Go to the FUNCTION page and locate “T-water ctrl.”, then, congure it through the Up/Down
key , “High temp.” or “Low temp.”.
[Notes]
① When this setting is changed, the following parameters will return to the default values.
Full Name Displayed Name Default
Water out temperature for heating WOT-Heat 45°C/113°F[High]
35°C/95°F[Normal]
Upper limit water-out temperature at the weather-dependent
mode for heating Upper WT-Heat 61°C/142°F[High] 35°C/95°F[Normal]
Lower limit water-out temperature at the weather-dependent
mode for heating Lower WT-Heat 55°C/131°F[High]
29°C/84°F[Normal]
② This setting will be memorized upon power failure.
2.2.5 Cool + Hot water
This compound mode enables the user to give priority to the “Cool” or “Hot water” mode
depending on the actual demand.
[Operation Instructions]

8
Go to the FUNCTION page and locate “Cool+hot water”, then, congure it through the Up/Down
key , “Cool” or “Hot water”.
[Notes]
① “Hot water” will take precedence only when “Water tank” is available, other it will tell
“Reserved”.
② This setting will be memorized upon power failure.
2.2.6 Heat + Hot water
This compound mode enables the user to give priority to the “Heat” or “Hot water” mode
depending on the actual demand.
[Operation Instructions]
Go to the FUNCTION page and locate Heat+hot water, then, congure it through the Up/Down
key , “Heat” or “Hot water”.
[Notes]
① “Hot water” will take precedence only when “Water tank” is available, other it will tell
“Reserved”.
② This setting will be memorized upon power failure.
2.2.7 Quiet
This function can be activated when the running noise is too high.
[Note]
when this function is activated, frequency of both the compressor and the fan will go down and
also the capacity of the unit will correspondingly decrease.
[Operation Instructions]
Go to the FUNCTION page and locate “Quiet”, then, congure it through the Up/Down key
, “On” or “Off”.
[Notes]
① It can be set to “On” or “Off” no matter if the unit is in operation or not.
② Once it is activated, it should be deactivated manually or by Quiet Timer.
③ This setting will be memorized upon power failure.
④ It will be deactivated when the unit is turned off.
2.2.8 Quiet Timer
When running noise is too high at some specic timer period, this function enables the unit run
quietly at this time period.
[Operation Instructions]
1. Go to the FUNCTION page and locate Quiet timer, then, access to the QUIET TIMER setting
page.
2. At the QUIET TIMER setting page, select “Start time” or “End time” through the Left/Right
keys and then congure the desired time through the Up/Down keys .
3. When the mode setting is nished, then by pressing “Save”, a pop-up window will pop up to
remind if you are determined to save this setting. If so, press the “OK” key . If not, press the
Operation Instructions

Operation Instructions
9
“Cancel” key to not save this setting.
4. When the setting is saved, the control then will back to the FUNCTION page and the cursor
will be where the “Quiet timer” option is, then by the Up/Down key , it can be set to be “On”
or “Off”.
[Notes]
① Once it is activated, it should be deactivated manually.
② This setting will be memorized upon power failure.
③ The saved “Start time” and “End time” will be memorized upon power failure.
④ It is congurable no matter if the unit is in operation or not.
2.2.9 Weather-dependent Mode
For areas with large change of diurnal temperature, in order to avoid the user to set the leaving
water temperature or room temperature too often, this function will adjust automatically depending on
the environmental temperature.
[Operation Instructions]
Go to the FUNCTION page and locate Weatherdepend, then, congure it through the Up/Down
key , “On” or “Off”.
[Notes]
① Once it is activated, it should be deactivated manually.
② This setting will be memorized upon power failure.
③ At the “Parameter View” page, it is able to check the set point at the Weather-dependent
Mode.
④ When it is activated, it is allowed to set the room temperature but the set point does not take
effective. However, when it is deactivated, the unit will run according to this set point.
⑤ It can be set to “On” or “Off” no matter if the unit is in operation or not, but be activated only
when the unit is in operation.
⑥ This mode works only for the air conditioning function.
2.2.10 Holiday Release
In summer or high-temperature season, this function will make the unit pause to run in some
specic periods when the user is out.
[Operation Instructions]
Go to the FUNCTION page and locate “Holiday release”, then, configure it through the Up/
Down key , “On” or “Off”.

10
[Notes]
① When it is activated, at the WEEKLY TIMER page, it is able to set some week day to “Holiday
release”. In this case, the “Weekly timer” in this day is ineffective unless it is set to “Effective”
manually.
② This setting will be memorized upon power failure.
2.2.11 Disinfection
This function is intended to sanitize the water tank by raising the water temperature to 70°C
under which the legionella will die immediately. When this function is activated, the sanitation data
and start time is congurable.
[Operation Instructions]
1. At the FUNCTION page, locate “Disinfection”, and then access to the DISINFECTION setting
page by pressing the OK key .
2. At the DISINFECTION setting page, select “Set clock”, “Set week” or “Set temp” through the
Left/Right key and then modify the corresponding setting through the Up/Down key
.
3. When the mode setting is finished, then by pressing “Save”, a pop-up window will pop up
to remind if you are determined to save this setting. If so, press the OK key . If not, press the
Cancel key to not save this setting.
4. When the setting is saved, the control then will back to the FUNCTION page and the cursor
will be where the “Disinfection” is, then by the Up/Down key , it can be set to “On” or “Off”.
Name Name Default Range
Disinfection temperature Set temp. 70°C 45°C~70°C
[Notes]
① It can be activated only when the “Water tank” is set to “With”.
② It can be set to “On” or “Off” no matter if the unit is in operation or not
③ When “Disinfection” is set to “On”, if you intend to set the “Emergen. mode”, “Holiday
mode”, “Floor Debug”, then a window will pop up, warning “Please disable the Disinfection
Mode!”.
④ It can be set to “On” or “Off” no matter if the unit is in operation or not, and “Hot water” mode
always takes precedence.
Operation Instructions

Operation Instructions
11
⑤ When Sanitize is activated, “Disinfection” will show on the home page of the control until
this operation is nished. If this operation fails, “Disinfect fail” will show. In this case, by pressing any
key, “Disinfect fail” will be cleared or it will be always there.
⑥ When Sanitize is activated, it will quit upon “Communication error with the indoor unit” or
“Water tank heater error”.
2.2.12 Weekly Timer
This function will make the unit run with certain modes in certain periods within a week based on
the user’s actual demand.
[Operation Instructions]
1. At the homepage, by pressing the Function key access to the FUNCTION page, and
then locate where “Weekly timer” is by switching pages, after that, press OK key to go to the
WEEKLY TIMER setting page.
2. At the WEEKLY TIMER setting page, by the Right/Left key it is able to select the
desired week day and then by the Up/Down key to set this day, “√”, “×” or “Holiday”, as
shown in the gure below. When this setting is nished, press OK key to go to this day’s setting
page.
3. At the week day’s setting page, it is allowed to set the running mode (Mode), temperature set
point (WT-HEAT), and water tank temperature (T-Water Tank). The running mode includes “Heat”,
“Cool”, “Hot water”, “Heat+ hot water”, “Cool+ hot water” (the last three ones are available only
when “Water tank” is set to “With”. There are totally ve periods for each day, and each period can be
set to “√”or “×”. Besides, it is able to set the “Start time” and “End time” for each period, as shown in
the gure below.

12
4. When above settings are nished, pressing the Return key and then pressing “Save”, a pop-
up window will pop up to remind if you are determined to save these settings. If so, press the OK key
. If not, press the Return key to not save these settings.
5. In this case, nally by pressing the Up key , “Weekly timer” will be activated.
[Notes]
① Totally ve periods are allowed to be set for each time. For each period, “Start time” must be
earlier than “End time”. Similarly, the preceding period must be earlier than its following period.
② When “Weekly timer” has been set successfully, by changing “FCU”, “Water tank”, “Ctrl
state”, or “T-water ctrl”, then the temperature set point for “Weekly timer” will be automatically
changed to the set point of last setting. For instance, if “Heat” is set for Monday of “Weekly timer”,
“FCU” is set to “With” and the “T-water out” is 20 , by resetting “FCU” to “Without”, then “T-water
out” will be the value of last setting. In this case, if FCU is disabled for last setting, then “T-water out”
Operation Instructions

Operation Instructions
13
will be the default value (18 ).
③ At the “WEEKLY TIMER” setting page there are totally three setting types for each day
“√”: it indicates once the Week Timer is activated, the timer on this day is effective and will not be
affected by the “Holiday” mode.
“×”: it indicates even if the Week Timer is activated, the timer on this day is ineffective.
“Holiday”: it indicates when the Week Timer is activated but “Holiday” is not activated, then the
timer on this day is effective; when “Holiday” is also activated, the timer on this day is ineffective.
④ When “Weekly timer” has already been set and the concerned modes include “Hot water”,
if resetting “Water tank” from “With” to “Without”, then “Hot water” mode will be automatically
changed to “Heat”, “Cool+hot water”/ “Heat+hot water” changed to “Cool”/ “Heat”.
⑤ Temperature Setpoint
The control is able to decide the temperature type and temperature range based on the current
“Clock Timer”, “FCU”, “T-water Ctrl.”, and “Ctrl. state” settings. See the followings for more details.
If the set mode is “Hot water”, the temperature set point shows nothing, indicating there is no
need to set “T-water out” and “T-room” but only “T- tank”. If the set mode “Cool” or “Heat”, then
water tank temperature box will show nothing, indicating there is no need to set “T-tank”.
Ctrl.
state
Set
Mode Object Range Default Accuracy
T-water
out
Cool
Water out
temperature for
cooling(WT-cool)
7-25°C
(With FCU)
18-25°C
(Without
FCU)
7°C(With FCU)
18°C(Without FCU) 1°C
Heat
Water out
temperature for
heating(WT-heat)
High temp. 25-61°C 45°C 1°C
Low temp. 25-55°C 35°C 1°C
T-room
Cool
Room
temperature for
cooling(RT-cool)
18-30°C 24°C 1°C
Heat
Room
temperature for
heating(RT-heat)
18-30°C 20°C 1°C
2.2.13 Clock Timer
This function will make the unit run with certain modes in certain periods within a day based on
the user’s actual demand.
[Operation Instructions]
1. At the homepage, by pressing the Function key access to the FUNCTION page, and
then locate where “Clock timer” is, after that, press OK key to go to the COLCK TIMER setting
page.

14
2. At the CLOCK TIMER setting page, by the Left/Right key select the desired
parameter and then by the Up/Down key congure it.
3. When this setting is concerned about time value, by pressing the Function key no. 1
alternately set the hour or minute values, and by pressing the Up/Down key increase or
decrease the corresponding value which will be continuously changed by pressing and holding the
key. (Unless otherwise specied, all timer settings follow the similar way.)
4. When the setting is nished, save it by pressing the Function key no. 2 , or this setting
without being saved is ineffective.
5. When the setting has been saved, activate the “Clock Timer” at the FUNCTION page.
[Notes]
① When “Weekly timer” and “Clock timer” settings are performed at the same time, the latter
takes precedence.
② When the water tank is available, the allowed running modes include “Heat”, “Cool”, “Heat+
hot water”, “Cool+hot water”, and “Hot water”.
③ When the water tank is unavailable, the allowed running modes only include “Heat” and
“Cool”.
④ When “Clock timer” has already been set and the concerned modes include “Hot water”,
if resetting “Water tank” from “With” to “Without”, then “Hot water” mode will be automatically
changed to “Heat”, “Cool+hot water”/ “Heat+hot water” changed to “Cool”/ “Heat”.
2.2.14 Temp. Timer
This function will make the unit run with certain temperature in a certain period within a day
based on the user’s actual demand.
[Operation Instructions]
1. At the homepage, by pressing the Function key access to the FUNCTION page, and then
locate where “Temp timer” is, after that, press OK key to go to the TEMP TIMER setting page.
2 At the TEMP TIMER setting page, by the Left/Right key select the desired parameter
and then by the Up/Down key congure it. The congurable parameters include “Mode”,
“Period 1”, “WT-HEAT 1”, “Period 2” and “WT-HEAT 2”.
Operation Instructions

Operation Instructions
15
3. When the setting is nished, save it by pressing the Function key no. 2 , or this setting
without being saved is ineffective.
4. When the setting has been saved, activate the “Temp. timer” at the FUNCTION page.
[Notes]
① When “Weekly timer”, “Clock timer”, and “Temp. timer” settings are performed at the same
time, the last one takes precedence.
② This function works only when the unit is in operation.
③ The allowed running modes include “Heat” and “Cool”
④ When the start time of “Period 2” is equal to that of “Period 1”, then the set point of “Period 2”
takes precedence.
⑤ TEMP. TIMER is judged by the timer value.
⑥ During the setting, the temperature set point which is set manually always takes precedence.
2.2.15 Solar timer
When the solar system is prepared, this function will decide which period to let the solar system
to run. However, if the solar system will run virtually depends on the temperature difference between
the solar panel and the water tank.
[Operation Instructions]
1. Go to the FUNCTION page and locate “Solar timer”, then press OK key to go to the page
as shown below.
No. Full Name Displayed Name Range Default
1 Solar kit start time Start time 0:00~24:00 8:00
2 Solar kit stop time Stop time 0:00~24:00 18:00
2. At the “Solar Timer” page, locate “Start time” or “End time” through the up and down keys
and then adjust the start or stop time also through the up and down keys .
3. After conguration, press “Save” and then a dialog box will pop up. In the dialog box, press “OK”
to conrm the conguration, or press “Cancel” to cancel this conguration.
4. After saving the conguration, this page will automatically back to the FUNCTION page with
the cursor stayed at “Solar timer”, and then through the up and down keys to set it to be “ON”
to activate “Solar timer”.
[Notes]
① Once “Solar timer” is activated,it cannot be deactivated through ON/OFF operation but be

16
done manually.
② “Start time” and “End time” will be memorized upon power failure
③ It can be set under both ON and OFF states
2.2.16 Floor Debug
This function will make the unit to perform periodic preheating to the oor for the initial run once
oor coils have been installed.
[Operation Instructions]
1. At the homepage, by pressing the Function key access to the FUNCTION page, and then
locate where “Floor debug” is, after that, press OK key to go to the FLOOR DEBUG setting
page.
2. At the FLOOR DEBUG setting page, by the Left/Right key select the desired
parameter and then by the Up/Down key congure it. The congurable parameters include
“Segments”, “Period 1 temp”, “ΔT of segment”, and “Segment time”, as listed in the following
table.
No. Full Name Displayed
Name Range Default Accuracy
1Segments for oor debug Segments 1~10 1 1
2First temperature for oor debug Period 1 temp 25~35°C/77~95°F 25°C/77°F 1°C/1°F
3Segment temperature difference for
oor debug ΔT of segment 0~72H 0 12H
4Segments duration for oor debug Segment time 2~10°C/36~50°F 5°C/41°F 1°C/1°F
3. After the above setting is nished, by pressing the function key no.2 activate this function
and a dialog box will pop up, reminding “Start the Floor Debug Mode now?”. If so, press the “OK”
key . Once “Floor debug” has been activated, by pressing the function key no.2 , a dialog
box also will pop up, reminding “Stop the Floor Debug Mode now?” If so, press the OK key ; if
not, press “Cancel” to go on.
[Notes]
① This function can be activated only when the unit is OFF. When it is intended to activate this
function with the unit being ON, a dialog box will pop up, warning “Please turn off the system rst!”.
② When this function has been activated, it is unable to turn on or off the unit. In this case,
Operation Instructions