Mini-Space Series Installation, Operation & Maintenance Manual

Mini-Space Series Installation, Operation & Maintenance ManualSYMPTOM PROBABLE CAUSE RECOMMENDATIONCompressor Short Cycles e. Short cycling of conditioned air. 1. Supply and/or return grilles are(cont.)incorrectly oriented. Reorient.2. Supply and return grilles are too closetogether. Move further apart.heat load to compensate.3. Insufficient heat load. Add temporaryf. Remote temperature sensor is Check for supply registers that mayimproperly located.be too close to the remote temperaturesensor. Relocate if necessary.Heater Inoperative a. Fuses blown. Check for short circuit, replace fuse.b. Temperature setpoint too low. Increase temperature setpoint.c. Overheat switch open. Insufficient air across heater elements.Check for dirty filters or obstructions thatmay reduce air flow. Correct or replaceas needed.d. Manual reset overheat safety Reset manual overheat safety switchswitch tripped.(See item immediately above).e. Heater element burned out. Check continuity with an ohmmeter.Replace heater element.Humidifier Inoperative a. Water supply has been turned off Connect and/or turn on water supply.Note: See Humidifier or not connected.Manual for AdditionalHelp. b. Humidifi er switch is in “Off” position. Turn switch to “Auto/On” position.c. Electrical connections are loose. Tighten electrical connections.d. Humidifi er circuit breaker tripped. Check for over current by the humidifierelectrodes. Drain water from tank andrefi ll. Reset circuit breaker.e. Relative humidity is above setpoint. Adjust humidity setpoint.f. Electrode canister change cylinder 1. Consult humidifier manual.light is on.2. Water conductivity is too lowand water is at the top of thecylinder (see next item).g. Water conductivity is too low. Add a teaspoon of table salt to the waterthrough the top of the cylinder. Typicallyonly on initial start-up.(©April, 2008)4-8Air Technology Systems, Inc.