Installation, Operation and Maintenance Instructions User Manual

Page 8
LAARS Heating Systems
Figure 7. Piping for heating and optional domestic water.
Figure 8. Wiring diagrams.
Figure 6. Gas supply piping.
compound resistant to action of liquefied
petroleum gas.
g. The CB unit and its individual shutoff valve must
be disconnected from the gas supply piping
during any pressure testing of that system at test
pressures in excess of 1/2 psig (3.45kpa).
It must be isolated from the gas supply system
by closing its individual manual shutoff valve
during any pressure testing of the gas supply
piping system at test pressures equal to or less
than 1/2 PSIG (3.45kpa).
h. The CB boiler and its gas connection must be
leak tested before placing the unit in operation.
i. Purge all air from gas lines
Caution
Do not use open flame to check for leaks.