COLD WEATHER CUT OUT (CWCO)
(See fig. bb)
Maintaining slab at either melting or idling temperature
during extremely cold temperatures can be expensive or
impossible. To set a Cold Weather Cut Out:
1) Go to CWCO item field in Adjust Menu
2) Set CWCO to the temperature which you wish the
snowmelt system to turn off once the outdoor temperature
drops below that point
DIP SWITCH: Snow Melting
RANGE: OFF, -30 to 50°F (OFF, -34 to 10°C)
DEFAULT: 10°F (-12°C)
10K INDOOR SENSOR (MIX 10K )
(See fig. cc)
1) Go to MIX 10K item field in Adjust Menu
2) To add a slab sensor for temperature control for snow
melting, set to SLAB
RANGE: NONE, SLAB
DEFAULT: NONE
MIXING MAXIMUM (MIX MAX)
(See fig. dd)
1) Go to MIX MAX item field in Adjust Menu
2) Set to highest water temperature control is allowed to use
as MIX TRG temperature
RANGE: 80 to 210°F, OFF (27 to 99°C, OFF)
DEFAULT: 180°F (82°C)
NOTE:
Do not exceed the water temperatures
shown for the following construction methods.
52
PROGRAMMING
PROGRAMMING - Step 1 - Programming the Control
Adjust
o
F
bb
Access Level
LTD
USER
INST
ADV
Adjust
cc
Adjust
Access Level
LTD
USER
INST
ADV
Adjust
o
F
dd
Access Level
LTD
USER
INST
ADV
• Concrete
150°F
• Poured Underlayment 140°F
• Radiant Wall/Ceiling
120°F
(using drywall)
• Joist No Plates
180°F
• Joist w/Plates
165°F
• Quik Trak
®
180°F
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...
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