GeneralAire DS20 Elite Steam - Manual (Page 3)

Installation, Operating and Maintenance Manual
3
Table of Contents
1: REMOVE HUMIDIFIER FROM BOX AND OPEN ............................................................................. 4
2: MOUNTING THE HUMIDIFIER............................................................................................................ 5
P OSITIONING .................................................................................................................................................. 5
M OUNTING ..................................................................................................................................................... 5
3: STEAM DISTRIBUTION ......................................................................................................................... 6
R OOM D ISTRIBUTION ..................................................................................................................................... 6
D UCT D ISTRIBUTION ...................................................................................................................................... 7
S TEAM H OSE I NSTALLATION .......................................................................................................................... 7
4: PLUMBING ................................................................................................................................................ 9
C ONNECT W ATER D RAIN ............................................................................................................................... 9
C ONNECT W ATER F EED ................................................................................................................................. 9
5: POWER WIRING .................................................................................................................................... 10
6: CONTROLS WIRING............................................................................................................................. 11
M OUNT T HE H UMIDISTAT ............................................................................................................................ 11
M OUNT 12500 A IR P RESSURE S WITCH (DS-20 O NLY ) ................................................................................ 11
CONNECT HOSES. CONNECT HOSE TO SUPPLY PLENUM PROBE. TRIM HOSE TO
LENGTH AND CONNECT TO HIGH PRESSURE INLET TOWARD REAR OF SWITCH.
CONNECT RETURN PLENUM PROBE TO LOW PRESSURE INLET TOWARD FRONT OF
SWITCH. ....................................................................................................................................................... 11
W IRE T HE C ONTROLS .................................................................................................................................. 12
7: START-UP AND SHUT-DOWN ............................................................................................................ 13
F IRST START - UP ........................................................................................................................................... 13
S TARTING THE UNIT ..................................................................................................................................... 13
S HUT -D OWN ................................................................................................................................................ 14
8. OPERATING PRINCIPLE AND OTHER FUNCTIONS.................................................................... 15
O PERATING PRINCIPLE ................................................................................................................................. 15
9. ALARMS, TROUBLESHOOTING........................................................................................................ 16
10. MAINTENANCE AND SPARE PARTS .............................................................................................. 18
R EPLACING T HE C YLINDER ......................................................................................................................... 18
M AINTENANCE O F T HE O THER H YDRAULIC C OMPONENTS ......................................................................... 18
C LEANING T HE F ILL VALVE ......................................................................................................................... 18
C LEANING T HE D RAIN V ALVE ..................................................................................................................... 19
H YDRAULIC P ARTS ...................................................................................................................................... 19
S PARE PARTS ................................................................................................................................................ 20
11. WIRING DIAGRAM.............................................................................................................................. 21
12. TECHNICAL SPECIFICATIONS ....................................................................................................... 22
D IMENSIONS AND WEIGHTS .......................................................................................................................... 22