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home business utility
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tech specs

temperature range

operating: -40° to 160°F (-40° to 70°C)

humidity range

operating: 5-95% R.H

wiring specifications

Refer to this table to determine maximum wire lengths allowed.

18 AWG
equipment interface to sensor module 1000ft / 380m
sensor module to sensors 250ft / 39m

sensor compatability

Honeywell C7189U indoor sensor
C7089U outdoor sensor
Tekmar D076 indoor sensor
D079 slab sensor
D084 flush mount sensor
Johnson Controls HT-6703 humidity sensor
CD-W00 CO2 sensor

Other temperature sensors can be supported by just entering the B value or the resistance
reported by the sensor at 70°F (21°C) during the configuration process.


sensor inputs

R1 R2 R3 R4
dry contacts yes yes yes yes
temperature 10KΩ NTC
resistive
yes yes yes yes
Humidity or CO2
0-10 or 0-5 Vdc
no no yes yes
Humidity or CO2
0-10 or 0-5 Vdc
no no yes yes