24
Air to Water Heat Pump
Service Manual- Versati II Series
CONTROL
allowed to be activated, or a dialog box will pop up, warning “Please disable the Floor Debug Mode!”.
⑤
Upon power failure, this function will be OFF and runtime will be cleared.
⑥
At the FlOOR DEBUG setting page, the control will remain at this page and never back to the
homepage unless pressing the Return key or Menu key.
⑦
When this function is activated, it is allowed to check the target temperature and runtime of “Floor
Debug” at the Parameter View page.
⑧
Before activating “Floor debug”, please make sure each period for “Floor debug” is not zero, or a
dialog box will pop up, warning “Wrong Floor Debug time!”. It will resume only by pressing “OK” and then
correcting the time.
3�3�2�16 Emergency Mode (Emergen� Mode)
1) Set “Mode” to “Heat” or “Hot water” at the Parameter Set page
2) Then, switch pages to go the page where “Emergen� mode”, locate it by the Left/Right key, and congure
it to “On” or “Off” by the Up/Down key.
3) When it is set to “On”, “Auxiliary func�” at the homepage will be replaced by “Emergen� Mode”.
4) When it is set to “On” but the running mode is not “Heat” or “Hot water”, a dialog will pop up, warning
“Wrong running mode!”. In this case, by pressing the OK key, the control will go to the Mode setting page, or
by pressing the Cancel key, the control will return to the “Emergen� Mode” page.
[Notes]
①
When the unit is performing “Heat” at the Emergency mode, if there is water ow switch protection, IDU
assistant heater welding protection, or leaving water temperature sensor error, the Emergency mode will quit
and will not be allowed to be activated.
②
When the unit is performing “Hot water” at the Emergency mode, if there is water tank heater welding
protection, or water tank temperature sensor error, the Emergency mode will quit and will not be allowed to be
activated.
③
At the Emergency mode, the ON/OFF key operation will be disabled; the running mode will not be
allowed to be changed; the Quiet and Auto modes cannot be deactivated; “Weekly timer”, “Clock timer” and
“Temp timer” also cannot be activated, or will be deactivated if being activated.
④
At the Emergency mode, commands from the Thermostat is ineffective.
⑤
At the Emergency mode, only one running mode between “Heat” and “Hot water” is allowed.
⑥
This function can be activated only when the unit is OFF, or a dialog box will pop up, warning “Please
turn off the system rst!”
⑦
Under the Emergency mode, “Floor debug”, “Sanitize”, “Holiday mode”, cannot be activated, or a
dialog box will pop up, warning “ Please disable the Emergency Mode!”.
⑧
Upon power failure, the “Emergen� mode” will be defaulted to be “Off”.
3�3�2�17 Holiday Mode
1) Locate where “Holiday mode” at the FUNCTION page
2) Set Holiday to “On” or “Off” by the Up/Down key.
[Notes]
①
At the holiday mode, “Mode” setting of the control and On/Off key operation both are disabled.
②
When it is activated, “Weekly timer”, “Clock timer” or “Temp timer” will be deactivated.
③
At the holiday mode, when “T-Room” is adopted, the temperature set point should be 15 ; when “T-Out
water” is adopted, then the temperature set point should be 30 .
④
It will quit when the thermostat effectively works (“Cool” or “OFF” operation).
⑤
When this setting is saved successfully, it will be memorized upon power failure.
⑥
This function can be activated only at the “Heat” mode and with the unit turned off. When it is done
with the unit turned on, a prompt dialog box will pop up, warning “Please turn off the system rst!”; or when
it is done at other modes except the “Heat” Mode with the unit turned off, also a prompt dialog box will pop up,
warning “Wrong running mode!”.
⑦
When it is activated, the ON/OFF key operation is disabled, or a dialog box will pop up, warning “Please
disable the Holiday Mode !”.
⑧
Under the Holiday mode, “Floor debug”, “Sanitize”, “Emergen� mode” cannot be activated, or a dialog
box will pop up, warning “Please disable the Holiday Mode !”.
3�3�2�18 Thermostat
1) Locate where “Thermostat” is at the FUNCTION page
2) By pressing the Up/Down key, Thermostat can be set to “On” or “Off”. When it is “On”, the control follows
the running mode of the thermostat and is not allowed to set the running mode; when it is “Off”, the control
follows the running mode set by itself.