John Wood Superflue Power Vent (before FVIR technology) - Manual (Page 12)

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1. Has the gas piping been leak tested?
2. Is the heater connected to the correct gas
supply as shown on the rating plate (Natural
Gas / Propane)?
3. Is the clearance between the heater and com-
bustible construction as per specifications?
4. Does the area around the heater have ade-
quate ventilation?
5. Does the gas piping conform with the recom-
mendations of your Gas Utility Company?
6. Is the water piping correctly connected and
are there no leaks?
7. Is the water heater filled with water?
8. Is the water supply valve open?
9. Is the vent pipe installed properly and are hor-
izontal runs properly supported?
10. Is the draft hood air intake opening unob-
structed?
11. Is the T&P valve installed, and the drain pipe
from the T&P valve unobstructed?
12. Is a drain pan installed (if required) with a
proper overflow pipe, directed to a drain?
13. Have you taken steps to prevent water dam-
age in case of leaks?
14. Is the electric supply a 120V, electrically
grounded, 15A circuit?
Check Here Check Here
Installation Check List
If the answer to all of the questions above is “yes”, proceed with lighting the heater.
140° MAX. DIAL 160° MAX. DIAL
GAS CONTROL
SWITCH
QUICK CONNECTS
MAIN AND IGNITOR
TERMINAL BLOCK
BLOWER AND JUNCTION BOX
SAFETY
COVER
INLET PRES-
SURE PORT
GAS INLET
1/2” NPT
MANIFOLD
CONNECTION
MANIFOLD
PRESSURE
PORT
LED INDICA-
TOR
MANIFOLD PRESSURE
ADJUSTMENT
(REMOVE DIAL
FOR ACCESS)
GAS CONTROL - VIEW OF ELECTRICAL
CONNECTIONS, WITH COVER REMOVED
GAS CONTROL - VIEWED FROM GAS INLET
WITH TEMPERATURE DIAL REMOVED
Figure 11
Figure 10
IF YOUR WATER HEATER IS EQUIPPED
WITH A CAST IRON BURNER, PERFORM
THE FOLLOWING INSPECTION BEFORE
STARTING THE WATER HEATER.
1. Remove outer door from casing.
2. Check for insulation blockage (See arrows)
3. If insulation is blocking primary air, remove, so
that no insulation is in the area.
4. Check for fully open air shutter, as shown,
ensure no insulation has become lodged in burn-
er venturi.
5. Refer to installation manual “ Burner
Maintenance” for cast iron burners, for further
information.
CAUTION
NO INSULATION SHOULD BLOCK PRIMARY AIR
OPENING