EngA G-TRAC 1.1 User Manual

A G-TRAC MANUAL
IOM-24 Page 18 March 1999 R1
CHECK OUT FOR G-TRAC-1 NORMAL OPERATION
**Following flow chart covers many general operating/troubleshooting situations. If a more detailed manual is needed, contact the nearest EngA
Factory.
24 VAC power to terminals H and N
Is 24 VAC preset on ‘HS” and N?
Yes No
Supply fan should start within 34 sec. if
supply fan controlled by “SA” terminal
Yes No
Heat call light is ‘ON’?
Yes No
Normal summer operation
- Faulty G-TRAC-1, or
- Motor faulty
- Low limit open or faulty
- Belt broken
Controller not calling for heat. Supply
fan should come on within 34 sec.
Yes No
Normal operation. If heat light comes on
within 2 min. of fan starting, fan may shut
off while burner
p
re
p
ares for
p
re-
p
ur
g
e.
- Pre-purge light and heat call light
should both be ‘ON’,
- Burner is in pre-purge mode up to 7
min.
- Burner enabled light should come on
and burner should fire and modulate
the gas valve.
Is burner enable light coming on
after 7 minutes?
Yes No
Normal operation Faulty G-TRAC
Does gas valve modulate up or down
when set point is turned up or down?
Yes No
Disconnect R, B, W on V9055 modulating
gas valve and jumper R to B. Valve should
g
o to hi
g
h fire. If it doesn’t, valve is fault
y
.
- Air switch must be
open before heat call.
- After A/S closes

EngA G-TRAC 1.1 Specifications

General

Brand	EngA
Model	G-TRAC 1.1
Category	Controller
Language	English