Grain Systems PNEG-583 - Manual (Page 7)

7
SEREIS ONE HEATER
FUEL CONNECTION
Important! Do not use propane tanks which have previously
been used for ammonia unless they have been purged ac-
cording to procedures of the National L. P. Association.
Be sure fuel supply system complies with all local codes
for L. P. gas installations.
HEATER INSTALLATION
LIQUID PROPANE
MODELS
3. After installation is complete check all connections
for leaks with liquid detergent or comparable. Wear
rubber gloves and eye protection. Avoid contact
with liquid propane. DO NOT USE FLAME FOR
LEAK TESTING.
PROPANE VAPOR MODELS
1. Propane vapor models are designed to run directly
off of supply tank or from a separate external vapor-
1izer.
1. LP models are designed to run on liquid propane, with
liquid draw from the propane tank.Avoid using pro-
pane supply tanks that have been used for vapor
draw for long periods of time. When using liquid draw
systems any moisture that may be present in tank or
lines may freeze when system is used in cold weather.
To avoid this, the usual precaution is to purge the
system with methanol.
2. Run proper size line (see specifications) to liquid pipe
train on heater. Have a qualified gas service man
inspect installation to be sure that everything is in-
stalled according to local codes and ordinances.
2. Run proper size line (see specifications) to pipe train
on heater. Have a qualified gas service person in
spect installation to be sure everything iinstalled ac-
cording to local codes and ordinances.
3. After installation is complete check all connections
for leaks. DO NOT USE FLAME FOR LEAK
TESTING. (see above for other precautions.)
NATURAL GAS MODELS
1. Natural gas models are similar to vapor models, but
have a larger orifice to accommodate lower pres
sure sometimes found with natural gas.
2. Run proper size line (see specifications) to pipe train
on heater. Have a qualified gas service
man inspect installation to be sure everything is in
stalled according to local codes and ordinances.
3. After installation is complete check all connections
for leaks. DO NOT USE FLAME FOR LEAK
TESTING. (See above for other precautions.)