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EngA G-TRAC2
Engineered air EngA G-TRAC2 User Manual
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A
G-TRAC2
I
OM
-
25
5 of
42
Mar 99 R7
4
6
Table of Contents
Default Chapter
2
Table of Contents
2
Application
6
Service
6
Reset Discharge Air Temperature
6
General Description
6
Operation
6
Basic Features
7
Wiring
7
System Timings
8
Blower Air and Gas Modulation
8
Dip Switches
8
Dip Switch Blocka
8
Dip Switch Block B - Fuel Curves/Air Curves
9
Gas Curves
9
Air Curves
9
Dipswitch Block "C" - Low Limit, PI, CTRAC, 010 VDC Control
9
Pots
10
Status Lights
10
LED 1 Burner Pre-Purge
10
Led 2 Heat Required
11
Led 4 Burner
11
Auto Bypass Low Limit
12
Day and Night Operating Strategies
12
Supply Fan, Damper and Heat Operation
12
Standard G-TRAC2 Supply Fan Function (Temperature Priority Program)
12
Day/Night General Description of Fan/Damper Operation
12
Fan/Damper During Day (Terminal "K" no Power) Dipswitch A-4
12
Fan Damper at Night (Terminal "K" Powered)
13
Basic Burner Operation
14
The Basic Burner-Operating Scheme Is as Follows
14
Heat Required Led on
16
Pre-Purge Light
16
Room Reset Thermostat Options
17
Modulating Room Reset (Continuous Blower Operation Only)
18
Calculated Discharge Table for Room and Ambient Reset
21
Multiple Room Sensors
22
BMS Reset (Continuous Blower Only)
22
Bms Reset from Voltage Applied to + and
23
Bms Calibration
23
Ambient Reset (Day Mode Only - Requires Dipswitch A-2 to be On)
23
Make/Break Resets and Overrides
24
OR" and "V" Override (Day Only)
24
X" and "Z" Override (Day and Night Operation)
25
Linear Ambient Reset (During Day and Night) - Room Control with Intermittent Blower (During Night)
27
Temperature Control - General Overview
17
The Master Set-Point
17
Induced Voltage on Remote Control Wiring
17
Night Heat Thermostats
17
Direct Control 0 - 10 VDC
27
VDC Control
28
Calculated Set-Point Readout (Base Plus Calculated)
28
Discharge Temperature Readout
29
Discharge Sensor Readouts, Calibration, Etc
29
TE6100 Resistance's
29
TE6000 Discharge Sensor Self-Test
30
Sensor Resistance Chart for te 6100-960 and te 6000-960
30
Discharge Sensor Calibration
30
Discharge Set-Point Calibration
30
Johnson Set-Point
31
Built in Set-Point
31
Room Sensor Calibration
31
BMS Calibration and Set up
31
G-Trac2 Set up Sheet
32
Burner Set up
33
Operator Control Rules
33
Manual Service Mode
33
Combustion Set up
34
Inlet/Manifold Pressure Settings
37
Special Service Notes
37
On Board Fuse
37
Low Limit Lockouts
37
Failed Operation or Solid State Control Contacts by Others
37
Air Balancing (Refer to Next Item)
38
Cold Discharge Temperature in Cold Weather
38
Ignition Problems
38
Regulator Gas Pressure Responses
39
Pilot Sensing Problems
39
Smell from Flue (Products of Combustion)
39
Water and Ice from Combustion
39
Burner Pulsing, Backfiring, Exploding, Noisy
40
Fire Without Combustion Fan
40
Heat Locked on - G-TRAC2 Slave to C-TRAC
40
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Engineered air EngA G-TRAC2 Specifications
General
Brand
Engineered air
Model
EngA G-TRAC2
Category
Controller
Language
English
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