Checkout, Start system, Check safety features – Honeywell R7184A User Manual

Page 3: Warning, Safe start, Simulate flame failure

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R7184A,B,P,U INTERRUPTED ELECTRONIC OIL PRIMARY

3

69-1233—2

CHECKOUT

Start System

WARNING

Fire Hazard.
Can cause serious injury or death.
Make sure combustion chamber is free of oil
and/or oil vapor before starting system.

Fig. 2. Wiring terminals.

1.

Open hand valve in oil supply line.

2.

Make sure system is powered. Check circuit
breaker or fuse and close system switch, if
provided.

3.

Set thermostat to call for heat.

4.

Make sure burner lights and operates until call for
heat ends.

Check Safety Features

Safe Start

1.

Place a jumper across cad cell terminals.

2.

Follow procedure to turn on burner. Burner must
not start, indicator light turns on and control
remains in Idle Mode.

Simulate flame failure:

1.

Follow procedure to turn on burner.

2.

Close hand valve in oil supply line.

3.

Device enters recycle mode.

4.

Device tries to restart system after approximately
60 seconds.

5.

Safety switch locks out approximately in safety
switch timing indicated on label. Indicator light
flashes at 1 Hz rate. Ignition and motor stop and oil
valve closes.

Fig. 3. Wiring for typical oil-fired boiler.

Fig. 4. Typical wiring diagram for 24 Vac thermostat

and R7184 for an oil-fired forced air system.

INTERRUPTED

INTERMITTENT

BURNER MOTOR

IGNITOR

LIMIT

VALVE

L2

L1

CAD CELL

M16453A

L2

POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.

OPTIONAL FEATURE ON SELECT MODELS.

1

R7184

IGNITOR

M17182B

L1

1

CAD
CELL

2

2

BURNER
MOTOR

CIRCULATION
PUMP

L2

B2

C2

C1

BURNER MOTOR

IGNITOR

INTERRUPTED

INTERMITTENT

VALVE

VALVE

CAD
CELL

L1

B1

LIMIT

JUNCTION
BOX

ALARM

T

T

T

T

LEGEND:

TO
REMOTE
ALARM
CIRCUIT

SCREW TERMINAL

1/4 IN. QUICK CONNECT TERMINAL

THERMOSTAT

L8148A,C

JUMPER

AQUASTAT®
CONTROLLER

R

W

L2

POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.

OPTIONAL FEATURE ON SELECT MODELS.

VALVE MAY BE ADDED AS SHOWN.

1

R7184

IGNITOR

M17183B

L1

HOT

1

3

CAD
CELL

2

2

3

BURNER
MOTOR

L2

BURNER
MOTOR

INTERMITTENT

IGNITOR

INTERRUPTED

CAD
CELL

L1

JUNCTION
BOX

ALARM

T

T

LEGEND:

TO
REMOTE
ALARM
CIRCUIT

SCREW TERMINAL

1/4 IN. QUICK CONNECT TERMINAL

LIMIT

VALVE

T8600

RC

G

Y

R

W

L1
(HOT)

L2

1

FAN RELAY

COOLING
CONTROL

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