Aqua-Hot 375-LP Installation Manual Page 14

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© 2011 Aqua-Hot
®
375-LP Installation Manual
SECTION 2: AQUA-HOT INSTALLATION
Installing the Cable-Clamp Fittings:
1. Determine the port side best suited for the cur-
rent application. Reference Figure 10.
2. Remove the terminal block access cover and set
aside in a location where it will not become dam-
aged or scratched.
3. For each cable-clamp fitting, remove the nut
from the fitting, insert the fitting into the port
with the wire-entry side facing away from the
terminal block access area, screw the nut onto
the fitting, and hand tighten. Reference Figure
— Page 14 —
Figure 10
Figure 11
Installing the Wires into the Terminal Blocks:
1.
Loosen the cable-clamps on the installed cable-
clamp fittings. Reference Figure 11.
2. Insert the wires into the terminal block access
area through the appropriate port’s cable-clamp
fitting and into the proper terminal.
3. Secure the wires into their terminals by tighten-
ing the corresponding screw on the terminal
block. Tighten terminal screws to 5 inch pounds
using a slotted blade no wider than 1/8”.
4. Hand tighten the cable-clamps on each of the
cable-clamp fittings.
5. Re-install the terminal block access cover and
tighten the screws securing the cover to the
Aqua-Hot.
NOTE: A ferrule is required if stranded wire is being used to
connect to the terminal block
NOTE: It is recommended that the wire numbers in
Appendix A be used when installing the Aqua-
Hot in order to assist with differentiating be-
tween the separate heating zones and to aid ser-
vice personnel with troubleshooting.
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