![background image](http://html1.mh-extra.com/html/uponor/systempro-311/systempro-311_installation-manual_1060999078.webp)
SLAB OUTDOOR RESET
When using a slab sensor, the control assumes sensor is
approximately 1 inch below surface of snow melting slab.
Since this point is closer to the source of heat, it is warmer
than the surface of the slab. So, the sensor must be
maintained at a higher temperature to ensure the surface of
slab is maintained at correct temperature.
• Amount of temperature difference between surface of slab
and slab sensor changes with outdoor air temperature
• Slab core temperature is increased as outdoor air
temperature drops
• Temperature displayed as slab temperature is the
temperature of the slab sensor
• Sensor temperature will be higher than the actual surface
temperature of the slab
MELTING MODE (MELTING)
(See fig. m)
The SYSTEMpro 311 is a manual snow melting control.
• For snow melting system to start, one of four methods
described in section E4 must be used
• The MELTING setting in the Adjust Menu sets slab surface
temperature that is maintained while control is in melting
mode
NOTE:
When control is in melting mode,
Melting pointer is visible in the View Menu
and either EXT, INF or a running time may be
read under STATUS item in View Menu.
IDLING MODE (IDLING)
(See fig. n)
Extra time may be required when the snow melting system
starts from a cold temperature.
• To decrease melting start up time, slab can be maintained at
an “Idling” temperature
• Idle feature is also useful for preventing frost and light ice
formation
• The IDLING setting in the Adjust Menu sets slab surface
temperature that is maintained while control is in the idling
mode
NOTE:
When control is in idling mode, the word IDLE
can be read under STATUS item in the View Menu.
Section E2: With Slab Sensor
76
CONTROL FUNCTION
OVER
VIEW
CONTROL FUNCTION OVERVIEW -
CONTROL FUNCTION OVERVIEW - Section E - Snow Melting
Adjust
o
F
m
Adjust
n
Access Level
LTD
USER
INST
ADV
Access Level
LTD
USER
INST
ADV
Содержание SYSTEMpro 311
Страница 1: ...SYSTEMpro 311 Installation Manual...
Страница 44: ...PROGRAMMING THE ADJUST MENU B DHW SETTINGS 42 PROGRAMMING PROGRAMMING Step 1 Programming the Control...
Страница 52: ...PROGRAMMING THE ADJUST MENU D SNOW MELTING SETTINGS 50 PROGRAMMING PROGRAMMING Step 1 Programming the Control...
Страница 56: ...PROGRAMMING THE ADJUST MENU E BOILER OPERATION 54 PROGRAMMING PROGRAMMING Step 1 Programming the Control...
Страница 90: ...88 APPENDIX II APPENDIX II SYSTEMpro 311 Menu Tree...
Страница 91: ...89 APPENDIX II APPENDIX II SYSTEMpro 311 Menu Tree...
Страница 92: ...90 APPENDIX III APPENDIX III Application Drawings...
Страница 93: ...91 APPENDIX III APPENDIX III Application Drawings...
Страница 94: ...92 APPENDIX III APPENDIX III Application Drawings...
Страница 95: ...93 APPENDIX III APPENDIX III Application Drawings...
Страница 96: ...94 APPENDIX III APPENDIX III Application Drawings...
Страница 97: ...95 APPENDIX III APPENDIX III Application Drawings...
Страница 98: ...96 APPENDIX III APPENDIX III Application Drawings...
Страница 99: ...97 APPENDIX III APPENDIX III Application Drawings...
Страница 106: ......