Filter Assembly & Filters
This unit is not equipped with a filter or rack. A field−pro- vided high−velocity filter is required for the unit to operate properly. Table 2 lists recommended filter sizes. A filter must be in place any time the unit is operating.
Table 2
Recommended Filter Sizes
Air Handler | Filter Size | |
|
| |
Cabinet Size | Side Return | Bottom Return |
|
|
|
17−1/2" | 16 X 25 X 1 (1) | 16 X 25 X 1 (1) |
21" | 16 X 25 X 1 (1) | 20 X 25 X 1 (1) |
Plumbing
Pipe and Fitting Specifications
Refer to local building and plumbing codes for approved copper pipe and fittings.
Plumbing Procedures
Refer to the installation instructions of the water heating device to be used with the CBWMV unit. Follow the recom- mendations outlined in that instruction as well as govern- ing plumbing codes and practices.
Plumbing Checklist
SFlush water lines between the CBWMV unit and the water heating device before start−up. Normal flushing procedures should be used to rid the system of con- taminants and foreign debris.
SCBWMV units are installed in
Electrical
Wiring and grounding must conform to the current National Electric Code ANSI/NFPA No. 70, or Canadian Electric Code Part I, CSA Standard C22.1, and local building codes. Refer to following wiring diagrams. See unit name- plate for minimum circuit ampacity and maximum overcur- rent protection size.
Select the proper supply circuit conductors in accor- dance with tables 310−16 and 310−17 in the National Electric Code, ANSI/NFPA No. 70 or tables 1 through 4 in the Canadian Electric Code, Part I, CSA Standard C22.1.
CAUTION
USE COPPER CONDUCTORS ONLY.
WARNING
Electric shock hazard. Can cause inju- ry or death. Before attempting to per- form any service or maintenance, turn the electrical power to unit OFF at dis- connect switch(es). Unit may have multiple power supplies.
Refer to figure 12 for schematic wiring diagram and trouble- shooting.
Line Voltage (120V)
Line voltage field supply conductors are terminated at the CBWMV unit. The unit is shipped with the line voltage con- nections secured to the lower left coil manifold for left side make−up box installations. For right side make−up box installations, remove the wire tie that holds the line voltage connections and pull excess wires into blower deck/control box area as shown in figure 8.
Install make−up box (provided for line voltage wiring in the unit’s bag assembly) as shown in figure 9.
Make−up Box Wiring
WIRES SHOWN AS SHIPPED,
ROUTED FOR LEFT SIDE
MAKE−UP BOX INSTALLATION 
FOR RIGHT SIDE MAKE−UP
BOX INSTALLATION
REMOVE WIRE TIE,
PULL EXCESS WIRE INTO
BLOWER DECK / CONTROL
BOX AREA.
Figure 8
Interior Make−Up Box Installation | |
| MAKE−UP |
| BOX |
MAKE−UP |
|
BOX |
|
LEFT SIDE | RIGHT SIDE |
| |
Figure 9
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