Procom MNSD300HGA - Page 9

www.usaprocom.com
9200233-01B
You will notice a color coded
plunger on the inside of the regu-
lator. This is normal. When the in-
let connection tting is inserted
and tightened, this plunger will
be pushed back by the tting
making all of the adjustments
for the gas being supplied. DO
NOT REMOVE THE PLUNGER.
The regulator will not work.
The inlet regulator is color coded
for identication of the correct
gas type. Blue is for propane (LP
gas) and yellow is for natural gas.
INSTALLATION
Figure 4 - Back of Heater
Yellow Natural Gas
Plunger Underneath
Metal Cap
Blue Propane/LP Gas
Plunger Underneath
Dust Cover
Figure 5 - Gas Regulator
Insert Gas Fitting
for Natural Gas
Insert Gas Fitting
for Propane/LP Gas
Blue Dust Cover
DO NOT REMOVE
Blue Propane/LP
Plunger
Install Gas Fitting Here
FOR PROPANE/LP GAS
INSTALLATION: BLUE
1. Remove blue dust cover.
NG
LPG
INLET GAS PRESSURE
MAX 1/2 PSIG (3.5 KPA)
Gas Connection
2. Apply thread sealant to the threads on a
3/8" NPT brass connection tting. While
pushing in, rotate the tting clockwise until
the threads engage the regulator. After
the tting has been hand tightened into
the regulator use a wrench to complete
tightening of the tting. Install additional
tting to connect to the house supply.
Fitting
supplied
by installer,
may vary.
Blue Dust Cover
FOR NATURAL GAS (NG)
INSTALLATION: YELLOW
1. Remove the blue dust cover from the
regulator.