31
· Provides best energy savings option
· Designed to meet California Title 24 requirements.
· Recirculation will only operate when the push button switch is pressed. Hot water will not be available
immediately.
· Built-in timer function is disabled
· Will start circulation pump on-demand to purge cold water from the water lines and replace with hot water.
· Pump will stop operating once hot water has successfully reached 102F at the installed temperature sensor.
· Do not repeatedly press on-demand button. On-demand function will not operate if the water in the line is
already warm.
Recirculation Mode
Chapter 4. – Installation
Plumbing Guidelines / Pressure Relief Valve
[ On Demand(tt24) Mode]
Cold Water Line
Push
Button
Switch
#3
Push
Button
Switch
#1
Push
Button
Switch
#2
Hot Water Line
Temperature
Sensor
Water
Heater
Cold Water
Return Line
Hot Water
Dedicated
Return Line
Accessory
Setting
Maximum Loop Length
Controlled by
1 : RC
2 : RM
1/2"
3/4"
YES
IHK-NRCP
ON
tt24
200' (60m)
500' (150m)
Push Button Switch
Dedicated Return Line
