2
Prepare water heater
(continued)
Model 400
1. Remove the top and front access covers from the unit
(Phillips screwdriver required for removal).
2. Remove the three screws securing the venturi to the
blower.
Note:
When separating the venturi from the blower,
take care not to damage the O-ring inside the blower
(FIG. 2-5 on page 12).
3. Remove the four screws securing the gas valve to the
venturi (FIG. 2-5).
4. Locate the propane orifice disk from the conversion kit
bag. Verify that the stamping on the orifice disk matches
the water heater size (see Table 2A).
5. Remove the existing orifice from the O-ring in the side of
the gas valve and replace it with the orifice from the kit.
Position and secure the orifice in the valve as shown in
FIG. 2-5.
6. Reposition the gas valve against the venturi and replace
the screws (FIG. 2-5) securing the valve to the venturi.
7. Inspect the O-ring inside the blower. Handle the O-ring
with care, do not damage. Reposition the venturi against
the blower and replace the screws securing the venturi to
the blower (FIG. 2-5).
8. After installation is complete, attach the propane
conversion label (in the conversion kit bag) next to the
water heater rating plate. Attach the LP caution label (in
the conversion kit bag) to the left side of the unit in the
lower left corner.
9. Replace the top and front access covers.
DANGER
Armor 400: Inspect the O-ring when
the blower is disassembled. The O-ring
must be in good condition and must be
installed. Failure to comply will cause a
gas leak, resulting in severe personal injury
or death.
WARNING
After converting to LP, check combustion
per the Start-up procedure in Section 7 of
this manual. Failure to check and verify
combustion could result in severe personal
injury, death, or substantial property
damage.
11
Figure 2-4 Installing Propane Orifice - Models 151 - 286
Models 151 - 286
1. Remove the top and front access covers from the unit
(Phillips screwdriver required for removal).
2. Remove the three screws securing the gas valve to the
venturi (FIG. 2-4).
3. Locate the propane orifice disk from the conversion kit bag.
Verify that the stamping on the orifice disk matches the
water heater size (151 – 286) (see Table 2A above).
Place the orifice into the black rubber grommet in the side
of the gas valve and secure in the valve (FIG. 2-4).
4. Reposition the gas valve against the venturi and replace the
screws (FIG. 2-4) securing the valve to the venturi.
5. After installation is complete, attach the propane conversion
label (in the conversion kit bag) next to the water heater
rating plate. Attach the LP caution label (in the conversion
kit bag) to the left side of the unit in the lower left corner.
6. Replace the top and front access covers.
LP Conversion Table
Model
LP Orifice Stamping
151
150
200
210 / W150
286
285
400
8.0
Table 2A LP Conversion Table
WARNING
After converting to LP, check combustion
per the Start-up procedure in Section 10
of this manual. Failure to check and verify
combustion could result in severe personal
injury, death, or substantial property damage.
For a water heater already installed, you
must turn off gas supply, turn off power
and allow the water heater to cool before
proceeding. You must also completely test
the water heater after conversion to verify
performance as described under Start-up,
Section 10 of this manual. Failure to comply
could result in severe personal injury, death,
or substantial property damage.
For Models 151 - 400 you must install a
propane orifice to operate the outdoor water
heater on propane gas. Verify when installing
that the orifice size marking matches water
heater size (Models 151 – 400, Table 2A).
The 501 - 801 Models do not require an
orifice installation for propane operation,
but they will require a valve adjustment.
Gas conversions
WARNING
Outdoor Armor Water Heater
Installation & Operation Manual
