Raypak B0109 Owner's Manual And Installation Instructions page 36

147 Hi/Low Models (CTX Thermostat)
Set Point Adjustment:
•
Press the 'set' button,
SE.1 will be displayed for twelve (12) seconds.
•
Press the 'set' button again,
The current set point value will be displayed.
•
Press the down button (
•
Once the required set point is selected, press the 'set' button to save the setting,
SE.1 will be re-displayed for twelve (12) seconds.
•
Press the up button (
SE.2 will be displayed.
•
Press the 'set' button,
The current set point for Low Fire will be displayed.
•
Press the down button (
•
Once the required set point is selected, press the 'set' button to save the setting,
SE.2 will be re-displayed
•
Wait 12 seconds,
The current temperature in the water heater will now be displayed and programming complete.
The recommended set points for SE.1 and SE.2 are 82°C and 75°C respectively for a heating system. However, it
may be necessary to increase SE.2 if there is an unacceptable variation in room temperature.
Differential Adjustment:
•
Press and hold the down button (▼/PRG) for at least 5 seconds,
"'E0" will be displayed.
•
Press the up button (▲/ALM) until "E5.1" (differential setting for SE1).is displayed
•
Press the 'set' button,
The current differential value will be displayed.
•
Press the down button (▼/PRG) to decrease the differential or the up button (▲/ALM) to increase the
differential. NOTE: The differential is adjustable from 1°C to 6°C.
•
Once the required differential is selected, press the 'set' button to save the setting,
"E5.1" will be re-displayed.
•
Wait 12 seconds,
The current temperature in the water heater will now be displayed and programming complete.
NOTES
•
To adjust the differential setting for SE2 repeat the 'Differential Adjustment' steps above however when
selecting the 'E' parameter press the up button (▲/ALM) until "E5.2" is displayed.
•
Do NOT adjust any other parameter settings; this may cause the thermostat to malfunction.
▼
/PRG) to decrease the set point or the up button (
▲/
ALM),
▼
/PRG) to decrease the set point or the up button (
36
TEMPERATURE CONTROL
▲/
ALM) to increase the set point.
▲/
ALM) to increase the set point.