Service manual

DJM3.2 MANUAL
TABLE OF CONTENTS
Page
BMS Calibration..............................................................................................................................16
Ambient Reset (continuous blower operation only).............................................................. 16
Make/Break Resets and Overrides ...............................................................................................17
XVIII. CALCULATED SET-POINT READOUT (Base Plus Calculated)............................ 22
SET-POINT READOUT AND DISCHARGE TEMPERATURE FROM VOLTAGE ON
READOUT PINS (diagram follows)..................................................................................... 23
XIX. DISCHARGE TEMPERATURE READOUT.............................................................. 23
XX. DISCHARGE/ROOM SENSOR READOUTS, CALIBRATION, ETC........................ 24
TE 6000 Discharge Sensor Self-Test............................................................................................24
TE 6100 Resistances......................................................................................................................24
Sensor Resistance Chart for TE 6100-960 and TE 6000-960......................................................24
Discharge Sensor Calibration.......................................................................................................25
TEMPERATURE READOUT FROM VOLTAGE ON READOUT PINS (See diagram Page 23)........25
Discharge Set-Point Calibration ...................................................................................................25
Johnson Set Point While Set at 21°C ...........................................................................................26
Built In Set-Point.............................................................................................................................26
For either of the above: .................................................................................................................26
Room Sensor Calibration ..............................................................................................................26
BMS Calibration and Set Up..........................................................................................................26
XXI. DJM3.2 SET UP SHEET MAY 7, 1998.................................................................... 27
Blower/Damper Operation.............................................................................................................28
XXII. BURNER SET UP..................................................................................................... 28
Manual Service Switch...................................................................................................................28
Manual Firing Set Up Pot...............................................................................................................28
Important Usage Notes Regarding the Service Pot....................................................................28
Burner Selection.............................................................................................................................28
Combustion Set Up........................................................................................................................29
The Standard (or Round) Burner....................................................................................................29
For Either Burner............................................................................................................................29
High Turndown (Rectangular) Burner ............................................................................................30
Top Loading....................................................................................................................................30
5.CURVE MATCHING PROCEDURE .............................................................................................31
Pilot Set Up (high turndown).............................................................................................................32
Standard (Round) Burner................................................................................................................32
Propane Gas ...................................................................................................................................34
Inlet/Manifold Pressure Settings...................................................................................................34
XXIII. SPECIAL SERVICE NOTES ............................................................................... 34
On Board Fuse................................................................................................................................34
Resetting Low Limit, Bad Sensor, Flame Failure Lockout.........................................................34
Low Limit Lockouts........................................................................................................................35
What happens if ignition fails on morning start-up?..................................................................35
Two Speed VAV Applications or High Limit Tripping.................................................................36
Checking Speed Sensor with the Fluke 80 Series Meter............................................................36
Page ii Revised: 03/11/99