6 MODULE SPECIFICATIONS

• heat exchanger and compressor fans: 110 volts, 1 amp, single phase
• compressor motor: 110 volts, 6 amps, single phase
• humidifier: 110 volts, 4.5 amps
• humidity sensor: Lufft dipshaft Hygrostat 4723, 3% tolerance
• dehumidifier moisture removal rate: 2.5 gal/24 hours
• humidifier delivery rate: 2.5 gal/24 hours
• air output: 15 CFM
• air delivery: 10 CFM

Fig. .

ACKNOWLEDGEMENTS

THIS PROJECT was funded in part by the National Endowment for the Arts (grant 88-4432-0248). I thank Ralph and Sally Trimnell for their help throughout this project, for the drawings in figures 2 and 5, and for technical information in preparing this paper. Thanks also to Stefan Michalski, Richard Pearson, and Daniel Weinstock, without whom this project would not have been possible. Based on a paper in the Objects Update Session at the AIC 17th Annual Meeting, June 1989.