Operator`s manual

PUREHEAT™ HYDRONIC AIR HEATER OPERATOR’S MANUAL – SECTION 4
4- 2 © 2006 Ground Heaters, Inc. V. 2, Rev. 09/01/06
1. Burner Mounting Flange
2. Burner Air Tube
3. Burner Fuel Pump
4-2
1
2
3
17. After the Low Level Shutdown device has cycled through a 15 second self test, the low level condition
will clear.
18. The PUMP Switch may now be turned ON, and the HTF FILL Switch released to finish filling.
19. Continue filling until the HTF level is between the MIN and MAX as observed in the HTF sight gauge.
Do
not over fill.
20. Once adequate HTF levels are verified in the Sight Gauge, remove the Fill Hose from the HTF
container but continue running the HTF pump. Elevate and outstretch the Fill Hose to clear excess
fluid from the hose.
21. Close fill valve #4 and insert the locking pin. Open Pump Suction Valve #3.
22. Clean the Fill Hose exterior and replace the dust cap. Stow the hose neatly in-between the HTF
Pump and the Supply/Return manifold rack.
NOTE: HTF Low Level Shutdown Device red (Low Water) light will blink for 15 seconds while device
performs self-diagnostic tests. After 15 seconds the red light will go out and the green light will
stay on, signaling the unit is ready to operate. The red LOW LEVEL FAULT light on the control
panel will also go out.
4.2 BURNER INSTALLATION/CHANGEOVER
4.2.1 From NG/LP to Diesel/Fuel Oil
1. Burner setup and installation, fuel supply connection, test-firing and Burner adjustment should be
performed by an experience
fuel oil Burner professional and must conform to the requirements of
local,
state and federal authorities.
2. Main heater unit (trailer) must not be installed within 12 ft (3.6 m) of combustible materials.
3. To ensure proper Burner performance and to
avoid machine downtime due to heater sooting, Burner
combustion verification and adjustment must
be performed:
Before starting at a new job site.
Before operating at altitudes 1,000 ft (305 m) above or below the last adjustment.
After any Burner maintenance has been performed.
After installing any Burner, even if it had been
previously used and calibrated.
If Burner performance is in question for any reason.
4. A Combustion Analyzer, Smoke True Spot Tester and
common hand tools will
be required.
4.2.1.1 Installation
(Photo 4-2)
NOTE: All CF800 oil Burners are shipped by Ground Heaters,
Inc. with the proper nozzle (5.0 GPH 60º solid) installed
and the fuel pressure set at 150 psi.
1. Slide the flange gasket over the Burner air tube and
align the gasket with the mounting flange holes.
2. Install the ½ in. insulation and the Burner mounting plate for the oil Burner (supplied when you
purchase an oil Burner) on the hydronic heater.
3. Insert the Burner air tube into the hydronic heater and install the four bolts which have been
supplied.