Design Dynamics PFS VF-18P-MHD - Manual (Page 18)

www.fmiproducts.com 116986-01H 18
Lighting with Piezo Ignitor
1. Disconnect ignitor cable from receiver and
connect to Piezo Ignitor Tab (see Figure
19 and Wiring Diagram on page 24).
2. STOP! Read safety information on
page 15,
3. Make sure equipment shutoff valve is fully
open.
4. Turn motor knob clockwise to the
OFF position.
5. Wait (5) minutes to clear any gas and
then smell for gas around heater and
near floor. If you smell gas, STOP! follow
"B" on page 15.
6. ON/OFF switch in "—" ON position.
7. MAN knob on valve is in MAN position
(see Figure 19), When in MAN position
you can see a metallic core.
8. Push and hold down metal core fully with
a pen while the pilot gas flows.
9. Press and release piezo ignitor button until
pilot lights.
10. Continue holding down metal core for
about 10 seconds and then release the
metal core. Pilot should stay lit. If not,
repeat steps 1 through 4.
11. Turn MAN Knob to ON position - main gas
flows.
12. Turn motor knob to adjust flame. Knob
has a slipping clutch that allows manual
flame height adjustment.
TO TURN GAS OFF
TO APPLIANCE
Press OFF button on remote control to switch
off main gas and pilot gas or manually turn
Motor knob clockwise
to the "O" OFF
position.
oPeRaTIoN
Continued
MANUAL LIGHTING
PROCEDURE
WARNING: Manual lighting
must be performed by a qualified
service person.
The system has a "MANUAL OVERRIDE"
feature that allows you to light with a match.
Lighting with a Match
1. STOP! Read the safety information on
page 15 .
2. Make sure equipment shutoff valve is fully
open.
3. Turn motor knob clockwise to to
OFF position.
4. Wait (5) minutes to clear any gas and then
smell for gas around heater and near floor.
If you smell gas, STOP! follow "B" on page
15. If you do not smell gas, go to the next
step.
5. Make sure ON/OFF switch is in "–" (ON)
position.
6. MAN-knob (valve) in MAN position, a
metallic core is visible (see Figure 19).
7. Push and hold down metal core fully by
using a non-sharp object such as a pen.
This lets the pilot gas flow.
8. Light pilot burner with a match, (see
Figure 20).
9. Continue holding down metal core for
about 10 seconds. Pilot should stay lit
after releasing metal core. If not, repeat
step 1 thru 4.
10. Turn MAN knob to the ON position. This
lets main gas flow.
Figure 19 - Control Valve
Piezo
Ignitor
Tab
Metallic
Core for
Manual
Ignition
Piezo Ignitor
ON/OFF Switch
Microswitch
MAN Knob
in Manual
Position
Motor
Knob
in ON
Position
Figure 20 - Pilot
Pilot Burner
Thermocouple
11. Turn motor knob to adjust flame. Knob has
a slipping clutch that allows manual flame
height adjustment as well as adjustment
to pilot gas.