Procom MN060HBA Owner's Operation And Installation Manual page 9

CONNECTING TO GAS SUPPLY
WARNING: A qualified
service person must connect
heater gas supply. Follow all
local codes.
WARNING: This appliance
"
requires a 3/8 NPT (National Pipe
T h r e a d ) i n l e t
to the pressure regulator.
WARNING: Never connect
heater to private (non-utility) gas
well. This gas is commonly
known as well-head gas.
IMPORTANT: Check your gas line
pressure before connecting heater to
gas line. Gas line pressure must be
no greater than 10.5 inches of
If gas line pressure is higher, heater
regulator damage could occur.
CAUTION: Use only new,
b l a c k i r o n o r s t e e l
Internally-tinned copper tubing
may be used in certain areas.
Check your local codes. Use pipe
of large enough
allow proper gas volume to heater.
I f p i p e i s t o o
undue loss of pressure will
occur.
Typical Inlet Pipe Diameters
All models up to 20,000 BTU's use
3/8'' or greater pipe;
All models 25,000 BTU's and higher,
use 1/2" or greater pipe.
Installation must include an
ment shutoff valve,
"
plugged 1/8 NPT tap. Locate NPT
tap within reach for test gauge hook
up. NPT tap must be up stream from
heater (see Figure 13).
c o n n e c t i o n
water.
Figure 13 -Gas Connection
p i p e .
*A CSA/AGA design-certified equipment shutoff valve with 1/8
an acceptable alternative to test gauge connection. Purchase the optional
C S A / A G A
your dealer. See Accessories, page 17.
diameter to
IMPORTANT: Install an equipment
s m a l l ,
shutoff valve in an accessible
location. The equipment shutoff
valve is for turning on or shutting
off the gas to the appliance.
Apply pipe joint sealant lightly to
male threads. This will prevent
excess sealant from going into
pipe. Excess sealant in pipe could
equip- result in clogged heater valves.
union, and
sealant that is resistant to
natural gas.
INSTALLATION
d e s i g n - c e r t i f i e d
CAUTION: Use pipe joint
9
e q u i p m e n t s h u t o ff
Install sediment trap in supply line
as shown in Figure 13. Locate
sediment trap where it is within
r e a c h for c l e a n i n g .
sediment trap
matter is not likely to freeze. A
sediment trap traps moisture and
contaminants. This
from going into heater controls. If
sediment trap is not installed or is
installed wrong,
not run properly.
IMPORTANT: Hold
regu lator with
connecting it to gas piping and/or
fittings.
"
NPT tap is
v a l v e f r o m
L o c a te
where trapped
keeps them
heater may
pressure
w rench when