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	EMS input or thermostat). It will only be available when Tstat is selected as the External Input Mode option
	from the Startup menu on page 1.
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‡	7KH7VWDWVLJQDOPXVWEHDGU\FRQWDFWRQO\1RYROWDJHFDQEHSODFHGDFURVVWKHTSTAT terminals.
‡	%ULQJWKHWZRZLUHVIURPWKHGU\FRQWDFWWRWKHWHUPLQDOVPDUNHGTSTAT- 35,36.
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y Auxiliary SHUTDOWN

/TSTAT PROVE Input3 /SETBACK

2 33 34 35 36 37 38

Stat- ContactDry

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	menu on page 1.
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	input or external time clock). No Day/Night scheduling options will be available with this feature.
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‡	7KH6HWEDFNVLJQDOPXVWEHDGU\FRQWDFWRQO\1RYROWDJHFDQEHSODFHGDFURVVWKHSETBACK terminals.
‡	%ULQJWKHWZRZLUHVIURPWKHGU\FRQWDFWWRWKHWHUPLQDOVPDUNHGSETBACK- 35,36.

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/TSTAT PROVE Input3 /SETBACK

2 33 34 35 36 37 38

SetbackContact

Dry

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used to check on the Combustion Air Damper by connecting it to the end switch of the damper. In this case, the Comb. Air Output option must be activated from the Startup Menu on page 1.

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All stage outputs will be off.

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replaced by a Prove signal.

‡ %ULQJWKHWZRZLUHVIURPWKHSURYHGU\FRQWDFWVRXUFHWRWKHWHUPLQDOVPDUNHGPROVE - 37, 38. No voltage can be placed across the PROVE terminals

TSTAT	PROVE
ETBACK
5 36 37 38

ProveContactDry

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7KH3529(LQSXWFDQQRWEHXVHGDVDVDIHW\OLPLW$OOHTXLSPHQWPXVWKDYHLWVRZQFHUWL¿HGOLPLWDQGVDIHW\ controls as required by local codes. No boiler stage will start unless Prove terminals are shorted. DO NOT remove the PROVE jumper supplied unless replacing it with a Prove signal.

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‡	1RVWDJHRXWSXWVZLOOEHDFWLYDWHGXQWLOWKHPROVE input is shorted.
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‡ The BCP-8S can control the Combustion Air Damper when the Comb. Air Output option is activated in the Startup Menu (See page 1). In this scenario, the PROVE input will be used to check on the Combustion Air Damper status.

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boiler stages.

‡ 7KH&RPE$LURXWSXW relay is a Normally Open (N.O.) dry contact. It does not source any power.

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AUX COMB.

S OUT AIR

0 21 22 23 24

L

N

Comb.

Air

Damper

10