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Control circuit diagram (fan control center), Kfcc-temp-interlock, Ul listed – Greenheck Digital Temperature Interlock (474750 IOM) (Pre November 2012) User Manual

Page 6: Digital temperature interlock

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6

Digital Temperature Interlock

®

Control Circuit Diagram (Fan Control Center)

closed w/power at H1/N1 & fire sys. armed

open w/power at H1/N1 & fire sys. armed

(can be used for shunt trip, alarms, etc.)

Spare Relay Contacts

closed on fire or no power

open on fire or no power

4
3

A

B

B

A

NC3

BK

C3

NO3

RD

BR

NO4
NC4

A

B

R2

1

C4

5

BK

8

6

RD

BR

R2

(activated by FS1)

R2

2

7

RD

1

4

R1

96

A1

YW

A2

ST

WH

OL

95

2

2

96

A1

OR

A2

ST

WH

OL

95

1

1

3 WIRE

FROM BREAKER

3 PHASE

INPUT POWER

L2

L3

L3

L1
L2

L1

ST

T3

T3

FAN

T1
T2

T1
T2

OL

G

1

1

1

EXH

3 WIRE

FROM BREAKER

3 PHASE

INPUT POWER

L2

L3

L3

L1
L2

L1

ST

T3

T3

FAN

T1
T2

T1
T2

OL

G

2

2

2

SUP

FAN

LIGHT

S

Fan Switch

Lights Switch

RD

S1

OR

R LT1

WH

S1H

S1

S1N

KFCC
HD-1

F1

EF-1

1.5 460

3 3.0 14ga 15amp

F2

MAU-1

1.0 460

3 2.8 14ga 15amp

18 inches

6 inches

12 inches

CONTROL PANEL

C

NO

BK(YW)

RD

RD(RD)

C1

D3

NC

FS1

BR(BK)

NO1

NC1

BR

2

R1

D1

7

WH

D2

CONTROL INPUT: 120VAC, 15AMPS FROM BREAKER

R1

1

OR

3

H1

L1

N1

N

G

T1

NO

C

T1

T2

TC1

WH

OR

OR

RD

YW

YW

Volt

Spare Fire Switch Contact

(dry contacts for building alarm)

Gas Off w/Fans

Qty. Temp. Switches (0-1)

Remote Switches

Tempering SW

TERMINAL STRIPS = 18 IN/LB.

GROUNDING BAR = 20 IN/LB.

UNDER SUBJECT 891

STB Shunt Trip Breaker

If wall mounted prewire, or field installed fire

system, the fire system microswitches must

(in normal operation, R1 & R2 are energized)

with fire system armed (non-fire mode).

Drawing shown de-energized at L1 (term.#H1),

KFCC-TEMP-INTERLOCK

AF

Air Flow Switch

be field wired.

UL LISTED

Wiring Diagram #

D Damper

EC

Evap Cooler

TC

Temperature Controller

PB

Push Button

SV

Gas Solenoid

NOTES:

ST Starter

S Switch

LT Light

G Ground

FS

Fire Switch

EF

Exhaust Fan

SF

Supply Fan

OL OverLoad

C Contactor

R Relay

LABEL DESCRIPTION

TORQUE:

RD(RD)

C2

NO2

NC2

BK(YW)

BR(BK)

C

NC
NO

X

Audible ALarm
Gas Reset

Evap Cooler Switch

Power for Gas Solenoid
Power for Shunt Trip

Pushbutton Switches

B

V

P

R

G

A

Q

Heat Switch
Cool Switch
AD Switch

One Switch for L & F
One Breaker Con. L & F

Qty. Light Switches (0-3)

Qty. Fan Switches (0-3)

0

1

H

I

Y

C

#

#

#

1

1

Hood Mark(s):

Fan Mark

Motor

HP

Panel Mark:

OR - orange

FILE #E200616

YW - yellow

WT - white

RD - red

PR - purple

FIELD WIRING

HOOD WIRING

BK - black

BL - blue

WIRE COLOR

UNLESS SPECIFIED

ALL WIRING 90°C 14 GA.

BR - brown

use minimum

60° Copper Wire

FIELD WIRING:

FACTORY WIRING

Ansul(Amerex)

RD(RD)

BK(YW)

BR(BK)

FS2

O

EF Failure Light

Off Delay Relay
SF Failure Light

Aux. Supply Contact

Fan Failure Light (Appl.)

Tie in WWCP

W

Damper

K

J

D

U

N

Exhaust in Fire

Lights Out in Fire

DPDT Relay w/SF
DPDT Relay w/EF

Fire Relay (#1)

Extra Fire Relay (#3)

Extra Fire Relay (#2)

MUA Interface

-9

T

F

E

S

2

L

M

Wire

PH FLA

Breaker

YW

10

4

2

12

5

1