HAMWORTHY HEATING LTD
30
PUREWELL VariHeat he
500001155/F
8.7.1.2
Water Temperature Sensor Screen
This screen will appear as soon as the left button is pressed from the ‘Boiler and Circulation Status Screen’.
Should a temperature reading measured be outside the allowable range, the message will show “SENSOR
FAULT”
Status
Description
LCD Display
Water Temperatures Flow
and Return
Showing flow temperature and return temperature measured by S1 &
S2. Also in brackets ( ) the setpoint of the flow temperature.
FLW:036.5°C(082)
RTN:023.0°C
Figure 8.7.1.2 - Water Temperature Sensor Screen
8.7.1.3
Fan Speed & Flame ionisation Screen
This screen will appear as soon as the left button is pressed twice from the ‘Boiler and Circulation Status Screen’.
The actual fan speed is shown to the nearest 10 rpm. However, when the Service Function is active, and the fan
setpoint has altered, the first line will show the new setpoint for 3 seconds. After which, the actual speed will be
shown
The actual flame signal is shown to the nearest 0.5 µA
Status
Description
LCD Display
Fan Speed & Flame
Ionisation Signal
Showing actual fan speed and ionisation current
FAN SPD:04320rpm
FLAME SIG:03.5 µA
Figure 8.7.1.3 - Fan Speed & Flame ionisation Screen
Status
Description
LCD Display
Remote Control On/Off
Input
Showing the Remote Control Input & the Analogue Input signals
REMOTE I/O: OFF
ANALOG SIG:00.0V
8.7.1.4
Remote Control Input Status Screen
This screen will appear as soon as the left button is pressed three times from the ‘Boiler and Circulation Status
Screen’.
Figure 8.7.1.4 - Remote Control Input Status Screen
8.7.1.5
Cascade and Cascade Pump Status Screen
This screen will appear as soon as the left button is pressed four times from the ‘Boiler and Circulation Status
Screen’ and the controller is configured as the Cascade Master. This screen will provide information about the
status of the cascade and it’s pump.
Status
Description
LCD Display
Cascade OFF
Cascade is ‘Off’ based on display On/Off button
CAS: OFF
PUMP: OFF
Cascade Standby
Cascade is ‘On’ and no heat demand is active
CAS: STANDBY
PUMP: OFF
Cascade No Slaves
The cascade Master is unable to locate Slaves.
CAS: NO SLAVES
PUMP: OFF
Cascade ON
The cascade is active, with the cascade actual temperature and its
setpoint.
CAS:ONS4 +setpoint°C
PUMP: ON
Cascade without sensor
S4
The cascade sensor S4, is not present. All connected slaves will get
maximum power and calculated cascade setpoint.
CAS:S4NOT PRESENT
PUMP: ON
Figure 8.7.1.5 - Cascade Status Screen
