Trane YSC072F User Manual

Table of Contents
RT-SVX21P-EN 5
Test Modes .......................... 46
ReliaTel™ Controls .................. 46
Electromechanical Controls Test
Procedure ......................... 47
Unit Start-Up ........................... 48
Verifying Proper Air Flow .............. 48
Units with 5-Tap Direct Drive Indoor Fan 48
Units with Belt Drive Indoor Fan ....... 48
Units with Direct Drive Indoor Fan - Electro-
mechanical Control ................. 49
ReliaTel™ Units with Direct Drive Indoor Fan
(7½ - 8½ Ton High Efficiency, 10 Ton Stan-
dard Efficiency) ..................... 49
Units with Constant CFM Direct Drive Indoor
Fan ............................... 50
17 Plus units with the constant CFM direct
drive indoor fan .................... 50
Variable Air Volume Applications (Traditional
VAV) .............................. 51
Supply Duct Static Pressure Control .... 52
Traditional VAV Standalone Operation . 52
Supply Air Temperature Reset ........ 52
Return Air Smoke Detector ........... 53
Economizer Start-Up ................ 53
Compressor Start-Up ................ 54
Dehumidification Option ............. 54
Gas Heat Units ..................... 54
Final System Setup ................. 55
Maintenance ........................... 56
Fan Belt Adjustment - Belt Drive Units ... 56
Monthly Maintenance ................. 57
Filters ............................. 57
Return Air Smoke Detector Maintenance 57
Condensate Overflow Switch ......... 57
Cooling Season .................... 57
Heating Season .................... 57
Coil Cleaning ....................... 58
Annual Maintenance .................. 59
Troubleshooting ........................ 60
ReliaTel™ Control .................... 60
System Status Checkout Procedure ..... 60
Method 1 ...........................60
Resetting Cooling and Ignition Lockouts .62
Zone Temperature Sensor (ZTS) Service Indi-
cator
.................................62
Clogged Filter Switch .................62
Fan Failure Switch ...................62
Condensate Overflow Switch ..........62
Zone Temperature Sensor (ZTS) Tests ...62
Test 1 - Zone Temperature Thermistor
(ZTEMP) ...........................62
Test 2 - Cooling Set Point (CSP) and Heating
Set Point (HSP) ......................62
Test 3 - System Mode and Fan Selection .62
Test 4 - LED Indicator Test, (SYS ON, HEAT,
COOL & SERVICE) ...................63
Relative Humidity Sensor Test .........63
Programmable & Digital Zone Sensor
Test ...............................63
ReliaTel™ Refrigeration Module (RTRM) De-
fault Chart ..........................63
Unit Operation without a Zone Sensor . .63
Unit Economizer Control (ECA) Troubleshoot-
ing
...................................64
ReliaTel™ Control ...................64
Electromechanical Control ............64
Unit Economizer Control (ECA) Test Proce-
dures
................................66
Electromechanical Control ............66
Troubleshooting procedures for Direct Drive
Plenum Fan
...........................66
Unit Wiring Diagrams Numbers ...........67
Limited Warranty ........................69
Combination Gas Electric Air Conditioner .69
YCC, YCD, YCH, YCP, YSC and YHC (Parts On-
ly).................................69
Models Less Than 20 Tons for Residential
Use* ..............................69
Combination Gas Electric Air Conditioner .69
YCZ, YCY, YCX, YCC, YCD, YCH, YCP, YHC
and YSC (Parts Only) .................69
Models Less Than 20 Tons for Commercial
Use* ..............................69

Trane YSC072F Specifications

General

Brand	Trane
Model	YSC072F
Category	Air Conditioner
Language	English