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To set the clock, follow these steps.

• With the thermostat turned ON, press the Clock key twice  .............

• Use the Up/Down keys to set the hours ..........................................

• Press H to confirm settings ..............................................................

• Use the Up/Down keys to set the minutes  ......................................

• Press H to confirm settings ...............................................................

• Use the Up/Down keys to set the day of the week………………………..

• Press A to confirm settings and return to main display .....................

Day 

Hours

Minutes

Setting the Clock

Temperature Control

The Up/Down keys allow you to adjust the set temperature .......................
When you press either key, you will see the word SET and the 
desired temperature will be displayed on screen.
Use the Up/Down keys to adjust the SET value  .................................................
Press A to confirm settings and return to main display......................................

Note: In programmable mode, this new temperature is maintained only until the
next programmed comfort level.
In non‐programmable mode, this temperature will be constantly maintained.

Note: This new temperature is maintained only until the next programmed comfort 
level. At this time, the thermostat will revert back to the programmed levels

Set 
Icon

Set
Temperature

1.

Room Temp ‐ Indicates the current temperature sensor mode. 

2.

Day Indicator ‐ Displays the current day.

3.

Frost Icon ‐ Displayed when the thermostat is in frost protection mode. 

4.

Flame Icon ‐ Displayed when the thermostat is calling for heat, the flame icon 
will flash when the optimum start function is in operation.

5.

Temperature Hold ‐ When a Temp Hold is active, HOLD FOR and the remaining 
time period is displayed.

6.

Set ‐ Indicates when changes are being made to programs or temperature set
points.

7.

Holiday Indicator ‐ Displayed when the thermostat is in holiday mode. 

8.

Current Temp ‐ Indicates the current sensor temperature.

9.

Program Cycle Indicator ‐ Displayed during programming only to show which 
period is being altered.

10. Keypad Lock Indicator ‐ Displayed when the keypad is locked.
11. Units of Temperature ‐ Degrees Celsius or Fahrenheit.
12. Clock ‐ Digital clock display in 24h format.

LCD Display

This is the temperature you are trying 
to achieve in your home.

Temperature Display

The temperature display information is driven by two different inputs; the 
sensor measurement and the target temperature you have set.

Room Temperature

Set Temperature

This is the current room temperature.

Thermostat Settings (Slimline)

14

Slimline

Series

1.

2.

3.

4.

5.

6.

14

1

2

3

4

5

6

7

8

9

ris

10

11

12

Slimline

Series

1.

2.

5.

Summary of Contents for Therma V Monobloc Series

Page 1: ...LG Air to Water Heat Pump End User Guide Therma V Monobloc Series ...

Page 2: ...rn the space heating on off The number shown is the target flow temperature of the water leaving the heat pump and entering your heating system Please Note It is NOT room temperature Use the UP and Down arrows to Increase Decrease the target temperature Please Note Your heating system has been designed to function optimally at a specific flow temperature which will be set by the commissioning engi...

Page 3: ...Mode the target temperature can be offset by 5 C by using the Up Down Arrows Heat Mode Auto Mode This Bubble is used to turn on and off the domestic hot water To access the hot water bubble Scroll using the Left or Right arrow until the bubble is centralised on the controller screen When the bubble is centralised use the Power button to turn hot water on off Use the Up Down Arrows to Increase Decr...

Page 4: ...on the main Bubble screen to return to the Bubble screen simply press the Back button again The information display screen shows exactly what is happening in the system at any given time The numbers on the left hand side are the respective temperatures in the system such as the current temperature in the hot water cylinder 1 the current temperature of the water leaving the heat pump 2 and the curr...

Page 5: ...r changing Language Time Setting or changing Time Password A password can be set to limit access into Settings Default password is 0000 Date Setting or changing Date Lock Allows homeowner to lock access to various functions All Lock Locks Controller Completely On Off Locks Space Heating Bubble Mode Lock Lock Operation Mode DHW Lock Locks Hot Water ...

Page 6: ...s operation in a timeframe of 1 7 hours When unit is operating Set time to stop unit When unit is Off Set time to bring unit on Please note The heat pump operates at its most efficient when left on constantly in order to keep the house at a steady temperature Setting timers may result in the unit operating inefficiently and result in higher running costs It is not recommended to set Timers Energy ...

Page 7: ...sted above please contact your installer Alarm Display In the unlikely event that the system detects an abnormality in operation conditions it will cease operating to protect the unit an alarm code will be displayed Power Supply Failure In the event of a power supply failure all displays disappear If the unit stops due to a power shortage it will not start again even though the power comes back on...

Page 8: ... select 5 2D 7Dor24H Press The date time and function are now set Move the selector switch to the RUN position to run the program or to the PROG SET position to change the program setting a Setting the date time There are 4 modes available on this programmer for users to choose for their individual application AUTO The programmer operates 3 ON OFF periods per day ALL DAY The programmer operates 3 ...

Page 9: ...ture sensor mode 2 Day Indicator Displays the current day 3 Frost Icon Displayed when the thermostat is in frost protection mode 4 Flame Icon Displayed when the thermostat is calling for heat the flame icon will flash when the optimum start function is in operation 5 Temperature Hold When a Temp Hold is active HOLD FOR and the remaining time period is displayed 6 Set Indicates when changes are bei...

Page 10: ...ing altered 11 Main Menu Displays which option is currently selected 12 Temperature Format Degrees Celsius or Fahrenheit 13 Temperature Displays the current sensor temperature 14 Cool On Displayed when cooling is active 15 Clock Time displayed in 24 hour format 16 Holiday Left Displayed when the thermostat is in holiday mode 17 Hold Left Displayed when a temperature hold is active the remaining ti...

Page 11: ...s efficiency due to lower ambient air temperatures at night time The reduced efficiency may well offset and savings in the rate of electricity Boosting the hot water will make use of the electrical immersions in the heat pump this will increase the running costs of the system if used frequently The hot water schedule has been programmed during commissioning for all day comfort and efficiency in a ...

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