Figure 16. Heat exchanger layout diagram (dimensions in inches)
(a)
(a)Material courtesy of DIMPLEX Thermal Solutions.
Plumbing
32 AFDK-SVU01C-EN
Installation
1. Ensure the unit is placed on a flat, level, hard surface in
a location that allows adequate room for servicing per
local codes. The weight of the Frame 3, air-cooled heat
exchanger is 325 lb; the weight of the Frame 4, air-
cooled h
eat exchanger is 525 lb. The assembly
requires a minimum of 3 feet of free space on both the
air inlet and outlet. Attach the assembly to the floor
using the hardware in Table 11.
Table 11. Installation hardware
Hardware Qty
3/8 x 3-in. Lag Screw 4
3/8-in. Fender Washer 4
3/8-in. Anchor 4
2. Connect process fluid lines to the proper fittings. Make
sure that the flow of fluid to and from the unit cannot
be shut off or blocked while the system is in operation.
3. Table 12 details the connections. Some of the
necessary f
ittings may be included in the accessory
kits shipped separately from the drive (refer to
“Additional Components,” p. 21).
Note: For NPTE fittings,
use Teflo
n
®
paste
(recommended) or Teflon tape. If using tape,
wrap threads of fitting with two complete wraps
of the Teflon tape. Wrap in clockwise direction
when viewed from the pipe thread end. Do NOT
use Teflon tape or other sealant on JIC portion
of fittings.
Table 12. Water-to-air heat exchanger
connections
Attachment Point Fitting(s) Required
Pump outlet 90° elbow, 1 NPTI x 3/4 male JIC
AFD panel outlet 90° elbow, 3/4 NPTE x 3/4 male JIC
AFD panel inlet 90° elbow, 3/4 NPTE x 3/4 male JIC
Heat exchanger inlet 90° elbow, 1 NPTI x 3/4 male JIC
4. Connect power leads to main disconnect (refer to
Figure 16, p. 32 for power connection location). Wiring
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