WARNING:
Do not apply power to these
terminals as this will damage the control.
Connect the two wires from sensors to terminals described
below:
8) Outdoor Sensor S4 wires to Com
and Out terminals (27 and 29)
(See fig. l)
• Measures outdoor air temperature
9) Boiler Sensor S3 wires to Com
and Boil S3 terminals (24 and 26)
(See fig. m)
• Measures supply water temp from boiler
10) Mixing Supply Sensor S1 wires to Com
and Mix S1 terminals (20 and 23)
(See fig. n)
• Measures the supply temperature after the mixing device
NOTE:
Sensor is normally attached downstream
of mixing system pump (P1).
11) Mixing Return Sensor S5 wire to Com
and Ret S5 terminals (20 and 22)
(See fig. o)
• Measures fluid return temperature from snow melting slab
NOTE:
This sensor is only used when the
Snow Melting/Mixing Reset DIP switch is
set to the Snow Melting position
12) Mix 10K Sensor to Com and Mix 10K
terminals (20 and 21)
(See fig. p)
• Works with indoor sensor, slab sensor, or zone control
sensor
13) DHW Sensor S6 to Com and DHW S6
terminals (27 and 28)
(See fig. q)
• Measures temperature in DHW (Domestic Hot Water) tank
Sensor Connections (8-13)
26
INST
ALLA
TION
INSTALLATION - Step 6 - Electrical Connections to the Control
Com
27 28
DHW
S6
q
Com
20 21
Mix
10K
p
Com
27
DHW
S6
28
Out
29
S4
l
Com
24
Boil
Zo in
25
Boil
26
S3
Boiler
Sensor
m
Com
20
Mix
10K
21
Ret
22
S5
Mix
23
S1
n
Com
20
Mix
10K
21
Ret
22
S5
Mix
23
S1
o
Summary of Contents for SYSTEMpro 311
Page 1: ...SYSTEMpro 311 Installation Manual...
Page 90: ...88 APPENDIX II APPENDIX II SYSTEMpro 311 Menu Tree...
Page 91: ...89 APPENDIX II APPENDIX II SYSTEMpro 311 Menu Tree...
Page 92: ...90 APPENDIX III APPENDIX III Application Drawings...
Page 93: ...91 APPENDIX III APPENDIX III Application Drawings...
Page 94: ...92 APPENDIX III APPENDIX III Application Drawings...
Page 95: ...93 APPENDIX III APPENDIX III Application Drawings...
Page 96: ...94 APPENDIX III APPENDIX III Application Drawings...
Page 97: ...95 APPENDIX III APPENDIX III Application Drawings...
Page 98: ...96 APPENDIX III APPENDIX III Application Drawings...
Page 99: ...97 APPENDIX III APPENDIX III Application Drawings...
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