Instructions / Assembly
SPECIFICATIONS & DIMENSIONS
MATERIALS LIST
MATERIALS FURNISHED NOT FURNISHED
850 Fan Pack
75VA transformer for the Steam Humidifier (included with service part
5658 only, installed in Model 865/866 steam humidifiers)
Model 65 Digital Manual Humidistat (provided with service part 5658
and Model 865)
Power connector for Model 65 Digital Manual Humidistat
2 housing mounting screws
4 grille mounting screws
2 serrated nuts for mounting steam manifold
1 stainless steel 45° elbow
Steam hose – 6’ steam hose provided with the Steam Humidifier
Steam hose clamp – provided with the Steam Humidifier
Wire for humidistat and wire to power the Fan Pack
Model 5558 Modulating Humidistat (for Model 866 only)
On a call for humidity, the Steam Humidifier provides power to the Fan Pack. The Fan Pack blower distributes the steam to the room. When the
call for humidity ends and the humidifier stops producing steam, the Fan Pack blower will continue to operate for 2 minutes to distribute the
remaining steam before de-activating.
When installing with the Model 800 Steam Humidifier, use the Manual Digital Humidistat included (see Figure 8). When installing with the
Model 801 Modulating Steam Humidifier, use the Model 5558 Modulating Humidistat (see Figure 9).
OPERATION
FAN INLET FAN OUTLET
STEAM DISPERSION MANIFOLD
14
3-15/16
6-29/32
1-3/32
16-3/16
9
7-21/32
5-3/16
FIGURE 1 – Model 850 Fan Pack Dimensions (inches)
TECHNICAL SPECIFICATIONS
• 24 VAC supplied by the steam humidifier. If
purchasing the 5658 fan pack service part ensure
the included 75VA transformer is installed in the
steam humidifier.
• Stainless steel steam dispersion chamber
• Noise dampening housing liner
• Ultra quiet fan (50 dB)
DIMENSIONS
90-2193
3