Hired-Hand Super-Savers (Forced Air Heaters) XL: SS-225-XL - Manual (Page 11)

4801-5101 Rev 6-09 Page 11 of 26 Super Saver XL CE Heater
7.2 Orifice Replacement
WARNING
FIRE OR EXPLOSION HAZARD - - CAN CAUSE PROPERTY
DAMAGE, SEVERE INJURY, OR DEATH.
• Disconnect power supply before wiring to prevent electrical shock or equipment
damage.
• To avoid dangerous accumulation of fuel gas, turn off gas supply at service valve
before starting installation and perform gas leak test after completion of installation.
•
Use hand operation only to turn gas control knob. If gas control knob will not operate
by hand, have a qualified technician replace the gas control. Forcing the knob with
any tools may result in fire or explosion.
Read all instructions carefully. Failure to follow instructions can
cause severe personal injury or property damage. The installer of
this product should be a trained experienced service technician.
Qualified Gas Technician Use Only
1. Turn the On/Off switch (Refer to Figure 6),
located on the heater control panel to the OFF
position.
2. Disconnect heater from the power source.
3. Turn the Ball Valve to the CLOSED position.
4. Turn OFF gas supply at source and disconnect
the gas supply line/hose from the Ball Valve.
5. Unplug the wires connected to the Gas Valve
assembly and ensure notes are taken to
represent the proper wire locations for
reconnection.
6. Remove the Ball Valve, Elbow assembly, and
19mm (¾”) M-to-M Pipe from the Gas Valve
(counter-clockwise).
NOTE: If the 19mm (¾”) M-to-M Pipe does not
turn loose from the Gas Valve, the Burner
Mounting Screws may be loosened to
allow Gas Valve assembly removal.
7. Remove the machine screw beneath the
Orifice.
8. Twist the Gas Valve / Orifice assembly to free it
from the Burner.
!
Orifice (Tapered End)
Ball Valve
Gas Valve
Wire Connections
Orifice
Machine
Screw Elbow
Assembly
Gas Flow
Burner
Pipe M-to-M 19mm (3/4”)
Pipe M-to-M 12.7mm (1/2”)
Burner
Mounting
Screws
F F i i g g u u r r e e 1 1 0 0