W415-2845 / B / 11.10.20
3
IOM
12.3 GAS INLET PRESSURE 36
12.4 LEAK TESTING 36
12.5 PURGING GAS LINES 36
13.0 CONVERSIONS 37
13.1 HIGH ALTITUDE CONVERSION 37
13.2 NATURAL TO LP GAS 37
13.3 CONVERSION STEPS 37
13.4 CHECKING THE INLET GAS PRESSURE 38
13.5 SETTING THE MANIFOLD GAS PRESSURE 39
13.6 CHECKING FURNACE INPUT 40
14.0 ELECTRICAL SPECIFICATIONS 41
14.1 ELECTRICAL WIRING AND CONNECTIONS 41
14.2 FURNACE CONNECTION 42
15.0 LOW VOLTAGE WIRING 43
15.1 SINGLE STAGE THERMOSTAT 43
15.2 TWO STAGE THERMOSTAT 44
15.3 THERMOSTAT LOCATION 44
15.4 FURNACE PAIRED WITH HEAT PUMP 44
16.0 OPTIONAL ACCESSORIES (FIELD SUPPLIED/INSTALLED) 45
16.1 ELECTRONIC AIR CLEANER 45
16.2 POWER HUMIDIFIER 45
17.0 INITIAL STARTUP PROCEDURES 46
17.1 TO START THE FURNACE 46
17.2 TO SHUT DOWN THE FURNACE 46
17.3 SEQUENCE OF OPERATION 47
18.0 AIR FLOW 48
18.1 TEMPERATURE RISE CHECK 48
18.2 CALCULATING AIR FLOW 48
18.3 BLOWER AIRFLOW 49
18.4 CONTINUOUS FAN OPERATION 49
19.0 MAINTENANCE AND TROUBLESHOOTING 50
19.1 AIR FILTER 50
19.2 LUBRICATION 50
19.3 CLEANING 51
19.4 TROUBLESHOOTING FLOWCHART 54
19.5 DIAGNOSTIC CODES FOR STATUS LED 55
19.6 FAULT CODE HISTORY 55
20.0 WIRING DIAGRAM FOR TWO STAGE FURNACE 56
21.0 WARRANTY 58
22.0 REPLACEMENT PARTS LIST 59
23.0 SERVICE HISTORY 61
24.0 NOTES 62
NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.
H1.53
IMPORTANT:
PLEASE READ THIS MANUAL CAREFULLY
AND KEEP IN A SAFE PLACE FOR FUTURE
REFERENCE BY A SERVICE TECHNICIAN.
This manual is for the:
WSX-EN Series (WSX040T2AA-EN / WSX060T3AA-EN / WSX080T3AA-EN)
These 3 models may be referenced according to their input (K/Btu/hr) in some fi gures
(i.e. 40/60/80).