11
XT SERIES INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
INSTALLATION
Fill cup extension kit
OM-7971-XT
Fill valve adapter
Overfl ow
elbow
Drain cup
plate
Supply
water
hose (A)
Cylinder fi ll
hose (B)
Overfl ow
hose (C)
Fill cup
(see inset below)
OM-7629
Cylinder fi ll (B)
Supply water (A)
Overfl ow (C)
Fill cup
Cylinder fi ll hose
connection
A fi ll cup extension (Figure 11-1) is required for the following:
• All XT Series humidifi ers using Ultra-sorb or Rapid-sorb
• When developed length of steam tubing is more than 20' (6 m) and duct
static pressure exceeds 2" wc (498 Pa)
REMOVING EXISTING FILL CUP
Remove the existing fi ll cup as follows:
1. Remove steam cylinder from XT cabinet (if not already out).
2. Expand spring clamps and slide them up cylinder fill hose and supply
water hose, and disconnect hoses from cylinder fill hose connection and
fill valve adapter.
3. Disconnect overflow hose from overflow elbow.
4. Remove fill cup and hoses (fill cup is press fit into top of XT cabinet).
INSTALLING FILL CUP EXTENSION KIT
1. Remove steam cylinder(s) from XT cabinet (if not already out).
2. Route fill cup extension kit hoses into cabinet through fill cup hole, and
fasten extension bracket as shown with two screws provided.
3. Route hoses along back of cabinet interior to provide clearance for
cylinder.
4. Cut supply water hose (small-diameter hose) (A) to length so it can attach
to fill valve adapter without kinking.
5. Expand spring clamp and slide it onto supply water hose (A) far enough
so it will not interfere, then push hose onto fill valve adapter. Expand and
slide spring clamp into place.
6. Cut cylinder fill hose (bottom, center hose) (B) to length so it can attach to
cylinder fill hose connection without kinking.
7. Expand spring clamp and slide it onto cylinder fill hose (B) far enough
so it will not interfere, then push hose onto cylinder fill hose connection.
Expand and slide spring clamp into place.
8. Cut overflow hose (C) to length so it can attach to overflow elbow
without kinking.
9. Push overflow hose onto overflow elbow. Spring clamp is not required on
this connection.
FIGURE 11-1: FILL CUP EXTENSION KIT
1" air gap