SpacePak ESPV2-109, Инструкция по установке, эксплуатации и обслуживанию

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POSSIBLE CAUSE VERIFICATION SOLUTION
Thermostat Not Level Check level of thermostat If necessary, level thermostat.
Defective Thermostat With volt meter, check resistance of If resistance, thermostat is O.K.
thermostat contacts. If no resistance, replace thermostat.
Loose Low Voltage Wiring Check all wiring connections for Tighten all loose connections.
tightness.
Defective Blower Relay Check relay as described on page 23 If defective, replace relay.
in this manual.
Defective Low Voltage Transformer Check transformer as described on If defective, replace transformer.
page 23 in this manual.
Inadequate Electrical Service Check electrical service against Replace electrical service with
minimum requirements. adequately sized service.
CONDITION: ESP-V UNIT & CONDENSING UNIT WILL NOT START
POSSIBLE CAUSE VERIFICATION SOLUTION
Shorted Or Broken Wiring Check wiring. If necessary, repair or replace wiring.
Loose Low or High Voltage Wiring Check all wiring connections for Tighten all loose connections.
tightness.
Defective Blower Motor Check motor as described on page 23 If defective, replace motor.
in this manual.
CONDITION: ESP-V UNIT WILL NOT START, BUT CONDENSING UNIT RUNS
POSSIBLE CAUSE VERIFICATION SOLUTION
Defective Thermostat With volt meter, check resistance of If resistance, thermostat is O.K.
thermostat contacts. If no resistance, replace thermostat.
Loose Low Or High Voltage Wiring Check all wiring connections for Tighten all loose connections.
tightness.
Float Switch And Anti-Frost Thermostat fan ON. With volt meter, If no voltage, fan relay is defective.
Switch (Switches are wired in series) check for 24v across terminal G on Replace it.
the fan relay and terminal C on low If read 24v, relay is O.K.
voltage terminal strip.
With volt meter, check for 24v If no voltage, check coil for ice
at terminals YT and YC on low and drain pan for excessive water.
voltage terminal block. If ice check air filter, return air duct
& blower motor for air flow. If
excessive water check and clean
condensate drain lines.
If no ice on coil and water level in
drain pan is normal, check each
switch for continuity. If switch has no
continuity, replace it.
If 24v, switches are O.K.
Shorted Or Broken Wiring Check wiring. If necessary, repair or replace wiring.
Condensing Unit Check according to manufacturer’s Repair or replace as directed by
instructions. manufacturer.
CONDITION: ESP-V UNIT RUNS, BUT CONDENSING UNIT WILL NOT START