25
Operating Switch
Set Automatic Stop Time
Additional Features - Heater in Off Mode
Self Diagnostics:
If the heater’s ECU detects a fault during operation, the display will flash and an error code.
Refer to the diagnostic fault code legend in manual for further direction.
When the Lower colon flashes
you can set the start
time.
1) Rotate
to set the minutes
2) Press
to move to setting hours
3) Rotate
to set the hours
Press
to move back to Clock Settings.
To Exit Time Setting menu simply wait 5 seconds.
Clock with Flashing Minutes (two digits on right)
and
Lower Dot
in Colon ONLY appears Flashing
Clock with Flashing Hours (two digits on left) and
Lower Dot
in Colon ONLY appears Flashing
Fuel Pump Priming
Upon initial installation and before heater has be run
it is possible to fill the fuel line / bleed air out of the
system using the controller.
Press
5 Times to activate fuel pump.
Run fuel pump until fuel reaches the heater
Press
to switch Fuel Pump Off
Running Water Pump Only
Upon initial installation or after service it is pos-
sible to run the water pump only to bleed air out
of the system using the controller.
Press and Hold
3 seconds
To activate Water Pump
Press
to switch Water Pump off.
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 4
Oct. 1, 2020
Timer Functions:
The control switch can be used as a timer to automatically turn the heater on and off at desired times.
First – Set current clock time (24 hour clock)
Second – Set the desired start time.
Third – Set the desired stop time.
Set Clock Time:
Press and Hold for 3 seconds.
Set the clock time.
When the double colon flashes you can set the clock
time.
1) Rotate to set the minutes
2) Press to move to setting hours.
3) Rotate to set the hours.
Press to move to setting Automatic Start Time.
Clock with Flashing Minutes (two digits on
right) and
Colon
appears
Flashing
Clock with Flashing Hours (two digits on
left) and
Colon
appears
Flashing
Set Automatic Start Time
When the upper colon flashes you can set the start
time.
1) Rotate to set the minutes
2) Press to move to setting hours.
3) Rotate to set the hours.
Press to move to setting Automatic Stop Time.
Clock with Flashing Minutes (two digits on
right) and
Upper Dot
in Colon ONLY
appears Flashing
Clock with Flashing Hours (two digits on
left) a
nd
Upper Dot
in Colon ONLY
appears Flashing
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 4
Oct. 1, 2020
Timer Functions:
The control switch can be used as a timer to automatically turn the heater on and off at desired times.
First – Set current clock time (24 hour clock)
Second – Set the desired start time.
Third – Set the desired stop time.
Set Clock Time:
Press and Hold for 3 seconds.
Set the clock time.
When the double colon flashes you can set the clock
time.
1) Rotate to set the minutes
2) Press to move to setting hours.
3) Rotate to set the hours.
Press to move to setting Automatic Start Time.
Clock with Flashing Minutes (two digits on
right) and
Colon
appears
Flashing
Clock with Flashing Hours (two digits on
left) and
Colon
appears
Flashing
Set Automatic Start Time
When the upper colon flashes you can set the start
time.
1) Rotate to set the minutes
2) Press to move to setting hours.
3) Rotate to set the hours.
Press to move to setting Automatic Stop Time.
Clock with Flashing Minutes (two digits on
right) and
Upper Dot
in Colon ONLY
appears Flashing
Clock with Flashing Hours (two digits on
left) a
nd
Upper Dot
in Colon ONLY
appears Flashing
PHP Water Heater Control Switch Operation Instructions
PHP Coolant Heater Operating Switch Instructions R66 1
Oct. 1, 2020
Overview:
The PHP Control Switch allows you to turn the heater on and off, regulate temperature, set
operating mode, timed shutdown and timed startup functions. It also facilitates troubleshooting by
providing diagnostic codes.
Operation Buttons and Display Icons:
Programming Keys:
1.
On / Off & Select
2.
Operation Status
3. Switch Modes
Display Icons:
1.
Heating Mode
(Flashes in standby mode)
2. Heater On
3. Heater Off
4. Degrees Celsius
5. Water Temp Mode
6. Automatic Climate Mode
7. Indicates Run Time
8. Indicates Error
65ºC
WaterTemp
A/C
TIM
Error
On
Off
