Operator`s manual

PUREHEAT™ HYDRONIC AIR HEATER OPERATOR’S MANUAL – SECTION 1
1- 6 © 2006 Ground Heaters, Inc. V. 2, Rev. 09/01/06
1.3 IDENTIFICATION
The Pureheat™ Hydronic Air Heater serial number is located on the Main Control Panel. Always
reference the Pureheat serial number when ordering parts or requesting technical assistance.
1.4 SAFETY FEATURES
Pureheat™ Hydronic Air Heaters are safe, quality equipment, are NHTSA
compliant, meet all state
requirements, meet all Transport
Canada requirements, and are CSA certified.
Specific safety features include:
1. Trailer Brakes
: electric with breakaway switch (12 VDC).
2. Hydronic Heater
: operates at zero (atmospheric) pressure.
3. Low Level Shutdown Device
: turns off the Burner and Pumps if HTF level in the system drops below
minimum operating level. Manual reset requirement prevents unsupervised Pump/Burner start up.
4. Ground Fault Interrupters (GFI)
: built into control panel to protect all circuits.
5. Circuit Overload Protection
: built into Main Control Panel to protect all circuits and components.
6. Burner Flame Monitoring
: Burner Control uses optic flame sensor to shut off Burner if flame fails to
ignite or upon loss of flame. Manual reset requirement prevents unsupervised restart.
7. Pump Motor Overload Protection
: internal thermal overload trip with automatic reset.
8. Burner Motor Overload Protection
: internal thermal overload trip with manual reset (diesel Burner
Motor only) and internal thermal overload trip with automatic reset (NG/LP only).
9. Reflective Markers
: enhance night identification.
10. Foot Pedal
: for Hose Rewind system wired with low voltage (12 VDC) signal to protect personnel
from shock hazard should the Foot Pedal become accidentally immersed in water.
11. Digital Temperature Control
: fails safe (Burner OFF) upon loss of power or temperature sensor
malfunction
12. System Over Temperature Backup Shutdown
: Bi-metal snap disc will shut down the Burner Blower
Motor should HTF temperature exceed 200°F.
13. Natural Gas (NG) / Propane (LP) Burner
:
a. Ten (10) Second Pre-Purge Timer
b. Automatic Burner Sequencing
c. Flame Monitoring
d. System Status Indication
e. System / Self-Diagnostics
f. Post-Purge Timer
g. Pilot Valve / Ignition
h. Infrared Flame Detector
i. Air Flow Proving Switch
1.5 SAFETY PRECAUTIONS
Ground Heaters, Inc. develops and manufactures equipment that is safe to operate. However, an
accident could occur if
the Pureheat™ Hydronic Air Heater is used improperly. Safe operation requires
that all
instructions and precautions be followed. Key safety precautions are posted on decals throughout
the machine. Read and understand all material in this Operator’s Manual and on the decals posted on
the
Pureheat before attempting to operate it.