Raypak 133 Installation & Operating Instructions Manual page 19

HORIZONTAL INSTALLATION
FLOW >
HEATER D808
TO BOILER TO CHIMNEY
VERTICAL
INSTALLATION
Fig. 16: Installing Vent Damper
D808
N.O. N.C.
End
1K2
Switch
C.
1K1
Motor
1K3
1R
1 2 3
Black Orange Red
Thermostat or
Controller
Dual Valve
Combination Gas
Control or
Ignition System
Power supply provide disconnect means an overload protection as required.
1 Power supply provide disconnect me
Fig. 17: Vent Damper General Wiring Diagram
INSTALL THE VENT DAMPER TO SERVICE ONLY
THE SINGLE APPLIANCE FOR WHICH IT IS
INTENDED. IF IMPROPERLY INSTALLED, A HAZ-
ARDOUS CONDITION, SUCH AS AN EXPLOSION
OR CARBON MONOXIDE POISONING, COULD
RESULT.
NO
YES
NO
INSTALL VENT
DAMPER WITH
TO CHIMNEY
ACTUATOR TO
SIDES OF VENT
ONLY. DO NOT
D808 MOUNT ABOVE OR
BELOW VENT.
ACTUATOR MAY BE
INSTALLED IN ANY
HEATER
TO BOILER
POSITION ON
VERTICAL PIPE.
R
4
5
Yellow Blue
Optional Limit
Limit Location
Transformer
ans an overload protection as requ
Vent Damper
For safe, efficient operation, the vent damper and all
flue product carrying areas of the appliance must be
YES
checked annually, with particular attention given to
deterioration from corrosion or other sources. Check
vent damper operation as follows:
1. When the heater is off, check that the vent damper
position indicator points to the closed position, Fig.
18.
Damper
Position
Indicator
DAMPER OPEN
Fig. 18: Vent Damper position Indicator Showing Open
2. Turn the thermostat or controller up to call for heat
and check that the vent damper indicator points to
the open position, Fig. 18.
3. Turn the thermostat or controller down again and
check that the vent damper position indicator
L1
returns to the closed position.
(Hot)
L2
1
THE VENT DAMPER MUST BE INSPECTED AT
LEAST ONCE A YEAR BY A TRAINED, EXPERI-
ired.
ENCED SERVICE TECHNICIAN. THE NAME OF THE
PERSON WHO ORIGINALLY INSTALLED YOUR
VENT DAMPER IS SHOWN ON THE INSTALLATION
LABEL. DAMPER MUST BE IN THE OPEN POSI-
TION WHEN HEATER MAIN BURNERS ARE
OPERATING.
WARNING: Do not use thermally actuated vent
dampers on a modulating heater. To do so may
result in asphyxiation. Use only a mechanically
actuated vent damper device that is electrically
interlocked with the modulating heater operation.
19
Damper
Position
Indicator
DAMPER CLOSED
& Closed Positions