15
14
DSCS-9/10
Series
3.0
Installation
•
Gas Supply
Gas Supply
The gas supply to the infrared patio heater must be connected and tested in accordance with national,
state, provincial, and local codes along with the guidelines in the manual.
IMPORTANT!
Before connecting the gas supply to the infrared heater(s):
• This appliance must be used on a governed supply.
• Gas and electrical lines must
not
be located in the path of exhaust or in direct contact with infrared rays.
• Check for conditions such as drafts or other variables which might cause excessive movement of the
unit and cause damage to the gas connection. Ensure that the unit is securely mounted and connect
the gas with an approved connection device suitable for the environment of use.
• The gas supply to the heat must terminate with an isolation cock and a flexible connector. This will
allow the heater to be disconnected for maintenance or repair. The gas outlet shall be in the same room
as the appliance and the gas connector must not be concealed within or run through any wall, floor, or
partition.
• All pipework must be supported and installed in accordance with the regulations listed on pages 7-8 and
provide the required operating gas pressure and volume for the appliance. Pipes of a smaller size than
the heater inlet gas connection must not be used. Consult gas company for correct sizing.
• The final connection is made to the heater gas valve. This has a
pipe thread EN 10226 Rp 3/8”
. A
flexible metallic hose conforming to BS 6501:2004 (minimum specification type B Class 1) must be
used for this purpose. This must be kept clear of the flue products opening at the top of the heater and
should be of adequate length.
• Take care when making the final connection to the gas valve not to apply excessive turing force to the
gas valve. Always use two wrenches when tightening mating piping connections.
• If all or a portion of the gas supply line consists of used pipe, it must be cleaned and inspected to
determine its equivalency to new pipe.
• Pressure test all main supply lines according to local codes. Isolate the heater gas valve and supplied
ball valve during this test.
• Test the final connection to the heater for leaks according to the relevant codes of practice.
WARNING
!
Improperly connected gas lines may result in fire, explosion,
poisonous fumes, toxic gases, asphyxiation, and death. The
installation of this heater must conform to the requirements of
EN 14543:2005 and other relevant standards.
NOTICE
The total input to the appliance must fall /- 5% of the rated input as indicated on the rating plate.
Otherwise the burner may prematurely fail.
WARNING
Testing for gas leaks with an open flame or other sources of ignition may lead to a fire or
explosion and cause serious injury or death. Test in accordance with relevant codes of
practice.
!