15
LDAP-IOM (01-22) 207733-A
Figure 8. Wall-Mounting
Piping Connections
Gas Supply Pressure
The unit is equipped for a maximum gas supply pressure of 1/2 psi, 3 .5 kPa, or 14 IN WC .
NOTES:
Supply pressure higher than 1/2 psi requires the installation of an additional service regulator
external to the unit.
PRESSURE TESTING SUPPLY PIPING
• Test pressures
above
1/2 psi—disconnect the heater and manual valve from the gas supply line
to be tested. Cap or plug the supply line.
• Test pressures
below
1/2 psi—before testing, close the manual valve on the heater.
GAS CONVERSION
• Gas conversion kits are available for changing from propane to natural gas or natural gas to
propane. A factory-authorized conversion kit MUST be used.
All dimensions are measured from centerlines of field-supplied structural supports
Model LDAP 800
(2 heat sections)
Front View
Field-Supplied
Mounting Angles
(MUST be on all
four sides of the
heater.)
Model
LDAP 400
(1 heat
section)
Front View
Model LDAP 1200
(3 heat sections)
Front View
Wall
Side View
Dimensions are
centerline of the
mounting angles
and apply to all sizes.
