
Installer’s Guide
22
Pre Boosted Gas Solar Water Heater MP15
H4099 4099 Rev. D
Gas Connection
Step 27
• Connect the gas line to the gas inlet
coming from the lower right side of
the cover (see illustration).
• Fit an AGA approved isolating gas
cock in the supply line adjacent to
the water heater gas connection.
Note: Gas pipe sizes must
comply with AS5601/AG601.
• The gas pipe sizes and maximum
gas consumption rates are shown in
the table right.
• Ensure that the supply pipe and the
gas pressure regulator have sufficient
flow capacity for this and other
appliances connected to the fitting line.
• Before connecting the appliance to
the gas service, purge any debris or
air from the gas service. Venting of
purged gas shall be in an area free of
sources of ignition.
• Close the isolating gas valve prior to
connection of the appliance.
• After connection, check all joints for
leaks with an approved leak tester.
To solar
collector
Plumb to
waste
Gas inlet
Model No.
Max. Gas
Consumption
Gas Pipe
Size
DN15DS
45 MJ/h*
R½"/15mm
DL15DS
45 MJ/h*
R½"/15mm
*
±5%