DCS PHFS-DW-SS User Manual

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NOTE: Unit must be cold before removal
BURNER REMOVAL 
1) Remove reflector and emitter assembly by 
removing the screws that fasten the 
emitter assembly to the lower screen 
cone.
2) Remove valve panel; avoid tugging the 
ignition wire attached to backside of the 
valve panel at the igniter.
3) Remove the 1/4 NPT nut (using a 7/8 open
end wrench) which holds the burner head 
to the orifice fitting. Remove the burner.
Any debris in the opening of the burner
assembly can be cleared with a straightened
piece of coat hanger. Any rust can be
removed with a wire brush. Never use wood
or plastic objects to clear ports, wood or plas-
tic can break and block the ports.
BURNER INSTALLATION
Install the burner assembly by reversing the
(3) steps used for disassembly making certain
the burner assembly stands centered when
complete. After reassembly, the heater should
be tested observe the burner flame. It should
be as shown with the flame being blue with
slight yellow tipping.
Burner Removal And Installation
15
FIG.13
Emitter assembly
LOWER 
SCREEN CONE
1/4 NPT NUT
VALVE PANEL ASSEMBLY
PIEZO
IGNITER
FIG.14