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66324-YIM-B-1004
Unitary Products Group
23
TROUBLESHOOTING
NOTE:
Before troubleshooting, familiarize yourself with the
START-UP and CHECKOUT procedures.
FIGURE 15 - TROUBLESHOOTING
Troubleshooting of components necessarily
requires opening the electrical control box with the
power connected to the unit. Use extreme care
when working with the live circuits! Check the unit
nameplate for the correct line voltage and set the
volt meter to the correct range before making any
connections with line terminals.
If the variable speed motor found in DNH060 mod-
els operates erratically check the fan control board
for the presence of a break-off tab. Remove tab if
present.
The wire number or color and terminal designa-
tions referred to may vary. Check the wiring label
inside the control box access panel for the correct
wiring.
Содержание CHAMPION PLUS DNH018
Страница 28: ...66324 YIM B 1004 28 Unitary Products Group FIGURE 20 TYPICAL WIRING DIAGRAM D1NH 060 208 230 1 60 POWER SUPPLY...
Страница 29: ...66324 YIM B 1004 Unitary Products Group 29 FIGURE 21 TYPICAL WIRING DIAGRAM D1NH 060 208 230 3 60 POWER SUPPLY...
Страница 30: ...66324 YIM B 1004 30 Unitary Products Group FIGURE 22 TYPICAL WIRING DIAGRAM D1NH 060 460 3 60 POWER SUPPLY...