Boreal ACDX-45, Руководство по установке

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2005 Boreal Geothermal Inc. www.boreal-geothermal.com
Fault Possible Cause Verification Recommended Action
Low or “no” air
conditioning Open control circuit Thermostat not set to signal opera-
tion Turn room thermostat down.
Reduced air flow or return
air temperature too cold.
Unit trips out on low suction
pressure control. Check for:
1. Dirty air filter.
2. Fan belt slipping.
3. Broken blower belt.
4. Inoperative blower motor.
1. Replace filter
2. Tighten blower belt.
3. Replace belt.
4. Replace blower motor.
Insufficient hot
water Circulator pump not operat-
ing. Visually inspect the pump to see if
shaft is turning. Use an amprobe to
measure current draw. Replace if faulty.
Blockage or restriction in the
water line or hot water heat
exchanger. Check water flow and power to
pump. Check water lines for obstruc-
tion Remove obstruction in water lines.
Acid treat the domestic hot water
coil.
Thermostat limit is open. Check contact operation. Should
close at 120°F and open at 140°F. Replace thermostat if faulty.
Disconnect switch open, or
fuse blown in electrical sup-
ply to hot water tank. Check both line and load sides of
fuses. If switch is open determine
why. Replace blown fuse or breaker or
close switch.
Reset button tripped on hot
water tank. Check voltage at elements with
Multi-meter. Push reset button.
Thermostat on hot water tank
set too low. Should be set at
120°F. Visually inspect the setting. Readjust the setting to 120°F.
Heat pump not running
enough hours to make suffi-
cient hot water. Note the amount of time the heat
pump runs in any given hour. Temporarily turn up the tank thermo-
stats until colder weather creates
longer run cycles.