A
G-TRAC MANUAL
IOM-24
Page ii
March 1999 R1
Method 3
............................................................................................................................................... 8
Method 4
(May correct minor electrical noise on remote wire)
................................................................... 8
X.
BMS RESET OF THE DISCHARGE AIR TEMPERATURE ..................................... 8
XI.
POTENTIOMETERS ON THE G-TRAC ................................................................. 10
XII.
DIAGNOSTIC LIGHTS ........................................................................................... 10
Heat Call Light
.................................................................................................................................... 10
Pre-Purge Timer Light
....................................................................................................................... 11
Burner Enabled Light
........................................................................................................................ 11
XIII. TROUBLE SHOOTING .......................................................................................... 11
Supply Blower Not Starting
.............................................................................................................. 11
No Heat
(Burner Not Firing)
................................................................................................................ 12
Low Heat
(Burner Firing
)
.................................................................................................................... 12
Unit Short of Temperature Rise
........................................................................................................ 12
Over Delivering Air
............................................................................................................................ 13
Inlet Gas Pressure Low or Burner Rumbles
.................................................................................... 13
Regulator/Manifold Pressure Low or Slow to Respond
................................................................. 13
Gas Valve Won’t Open Fully
(G-TRAC Slave to CTRAC)
................................................................... 13
Water and Ice From Combustion
...................................................................................................... 13
Over Heating
....................................................................................................................................... 14
Rapid Cycling of SA Contacts on G-TRAC Connected to BMS Reset
.......................................... 14
G-TRAC not responding to BMS signal
........................................................................................... 14
Flame Failure Lockouts
..................................................................................................................... 14
“B” and “C” BURNER ELECTRODE DETAIL
............................................................................ 15
XIV. CHANGING A G-TRAC IN THE FIELD .................................................................. 15
TO SET PRE-PURGE TIME DELAY
................................................................................................... 15
TO SET THE MAINTAIN PURGE TIME DELAY
................................................................................ 16
Summary of Contents for G-TRAC 1.1
Page 23: ...IOM 24 Page i March 1999 R1...
