Weil-McLain BCP-8X - Manual (Page 9)

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Line
Neutral
120VAC
Power Source
PWR
L N
1 2
27 28 25 26
System
4-20mA
+ -
Auxiliary
Input1
RED
BLACK
T
ransducer 4-20mA
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located on the common header. Contact the factory for pressure sensor options.
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2-conductor cable (Belden #8760 or equivalent).
‡ &RQQHFWWKH5HGZLUHWRWHUPLQDO25 (+) and connect the Black wire to terminal 26 (-).
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8S will disable all boilers when the outdoor temperature is above the adjustable Outdoor Cutoff temperature.
This feature will automatically be activated when an outdoor sensor is connected.
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marked OUTDOOR TEMP - 29, 30.
‡ &RQQHFWWKHVKLHOGWRWKHFLUFOHGWHUPLQDO30 with one of the sensor wires.
7 29 31 33 28 30 32
Sensor Shiled
Outdoor Sensor
Auxiliary
Input2
Outdoor
Temp
xiliary
put1
Aux
Inp
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Startup menu on page 1
.
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another controller (i.e. EMS input), or a switch.
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‡ 7KH6KXWGRZQVLJQDOPXVWEHDGU\FRQWDFWRQO\1RYROWDJHFDQEHSODFHGDFURVVWKHSHUTDOWN terminals.
‡ %ULQJWKHWZRZLUHVIURPWKHGU\FRQWDFWWRWKHWHUPLQDOVPDUNHGSHUTDOWN- 35,36.
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Shutdown Dry Contact
31 33 35 32 34 36 3
P Auxiliary
Input2
SHUTDOWN
/TSTAT
/SETBACK
Auxiliary
Input3