| Maximum |
|
| |
Filter Type | Air Velocity | Model Number | ||
| (ft/min) | OH6 | OH8 | |
*Thermo Products | 600 | 384 in² | 480 in² | |
Supplied Permanent | ||||
|
|
| ||
Standard | 500 | 461 in² | 576 in² | |
Permanent | ||||
|
|
| ||
Disposable | 300 | 768 in² | 960 in² | |
|
|
|
| |
Table 4: Minimum Required Filter Area (in square inches)
*The Thermo Products supplied filter can be cut to size to fit other filter retention systems as long as the minimum size requirement is met.
NOTICE: Any internal stiffeners used in the filter must not be removed, although they can be cut to size as needed.
F. LIMIT POSITION AND LOCATION
χWARNING: The predetermined limit locations on all of the Thermo Pride oil fired furnaces have been tested and approved by Thermo Products, LLC. Any attempt to relocate these safety controls or replace these safety controls with a control that is not approved, or is incompatible, may result in personal injury, substantial property damage or death.
The unit listed in the table below must have the limit control installed at the time of unit installation.
TABLE 5: Installation location of the fan and limit control for each furnace
Fig. 11: Limit location for OH6 & OH8
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