Laars LT Series, Installation And Operation Instruction Manual

Page: 38 / 68

Page 3 8
Mode
Screen Display
Description
Setting Requirement Performance
11:RC
Dedicated
Return Line
Accessory
Wait Time
Water Savings
Energy
Savings
Hot Water
Temperature
Internal
Hot water without dedicated
return line.
Itnl No - Better Better Better
External
Quick hot water with
dedicated return line.
Etnl Yes - Best Better Best
On Demand
(Title-24)"
Only operates recirculation
line with a push of a button.
tt24 Yes O Better Best Best
Crossover
Quick warm water without
dedicated return
line.
CrOS No O Best Good Warm
To set the recirculation mode (Internal, External, On-Demand, Crossover)
1. Press the 'Power Button' OFF. ('Display Screen' will be blank)
2.
Press and hold the ‘Function Button’ for approximately 5 seconds to get
into the ‘Installer Mode’.
3. ‘1:EH’ oFF will appear on the ‘Display Screen’. Rotate the dial clockwise
until ‘11:RC’ oFF is shown.
4. Press the ‘Dial Button’ and ‘oFF’ will start blinking.
5. Turn the ‘Dial Button’ until ‘ItnL’ is displayed.
※
'ItnL' is for Internal Mode
※
'EtnL' is for External Mode.
※
'tt24' is for On-Demand Mode.
※
'CrOS' is for Crossover Mode.
Verify which type of Recirculation System is installed. (See p 32~35)
6. Press the 'Dial Button' until 'ItnL', 'EtnL' or 'tt24' or 'CrOS' is blinking. Turn
the 'Dial Button' to the desired mode.
7. Press the 'Dial Button' to save the setting.
8. Press the 'Function Button' to exit lnstaller Mode.
9. Press the 'Power Button' to turn the water heater back on.