Thermann 16LP50, Installation Instructions Manual

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9 INSTALLATION INSTRUCTIONS
COLD WATER CONNECTION
HOT WATER CONNECTION
COLD WATER SUPPLY TO WATER HEATER
Refer to the Technical Sheet for the position of connections.
Copper tube of a minimum size of 1/2
" (
15mm) for 16 and 20 models and 3/4" (20mm)
for 26 model should be connected to the appliance.
The water inlet connections are R1/2" (15mm) male BSP for 16 and 20 models and R3/4"
(20mm) male BSP for 26 model and requires a union to allow for removal of the water heater.
Pipe sizing from the cold water supply should be sized according to local BY LAWS for
water supply.
ISOLATING VALVE
A gate valve or ball valve must be used on the cold water inlet to the water heater.
THIS REQUIREMENT IS AN AUSTRALIA WIDE REQUIREMENT UNDER
THE NATIONAL PLUMBING CODE.
If the above instruction is not carried out, all warranties on the unit will be voided.
Stop taps or combination stop taps and non-return valves are not to be used.
NOTE: No pressure reduction valve is required unless the inlet water pressure exceeds
1400kPa at any time.
Refer to Technical Sheet for the position of connection.
The outlet connection is male thread R1/2" (15mm) for 16 and 20 models and R3/4" (20mm) for
26 and requires union connection to allow for removal of the unit.
Install the hot water supply line to the unit with copper tube with a minimum of 1/2" (15mm) for
16 and 20 models and R3/4" (20mm) for 26 model.
For units set at 50°C, the distance to the first outlet must be a minimum of Four(4) metres.
Keep the pipe lengths to a minimum and make sure that the pipework is well insulated, as
correct performance of the appliance is dependent on properly insulated pipework.
DO NOT FIT ANY VALVES OR RESTRICTORS TO THE OUTLET
OF THE WATER HEATER.
DO NOT FIT ANY OBSTRUCTION TO THE PRESSURE RELIEF LOCATED
ON THE HOT WATER OUTLET CONNECTION.
After purging the air from the system using the hot water supply taps, remove the water inlet
strainer located on the cold water supply inlet connection.
Remove any debris from the filter and replace. When replacing the filter do not over-tighten the
“O”ring seal.