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SPECIFICATIONS MODEL# P621U
Dimensions 5.375" (136mm) wide x 3.375" (86mm) tall x 1.125" (28mm) deep
Heat/Cool Terminals O, B, G, Y, RC, RH, W1, A, W2, C (solid pins for 24v and Millivolt systems)
Electrical Ratings 1.5 Amps per terminal at 24 volts
Temperature Control Range Temp control 45°F to 90°F (7°C to 32°C)
Display range: 23°F to 99°F (-5°C to 37°C)
Temperature Dierential: adjustable from ±0.25°F to ±2.25°F
Accuracy ±1°F over a range of 45°F to 90°F.
Environmental Limits Moisture and Dust: meets IP20
Operating Humidity: 20% to 90% (non-condensating)
Operating temperature: 14°F to 122°F (-10°C to 50°C)
Storage temperature: -4°F to 140°F (-20°C to 60°C)
Electrical Immunity: meets relevant EMI/EMC specifications
Compatible With Universal compatability for conventional heat & A/C
Universal compatability for heat pumps with up to 2-stage heat/
1 stage cool (including AUX/EMERG heat)
2 and 3-wire hydronic systems (hot water baseboard & radiator)
Gas Millivolt heaters (wall heaters/furnaces & gas fireplaces)
Not Compatible With Line voltage systems (120/240 VAC)
Packaging Master Carton: 10 units
UPC: 0 21079 12621 7
SETBACK
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SETBACK
HOLD
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RUN
DAY/TIME
TEMP PROG
AIR FILTER
TEMPERATURE
HEAT
OFF
COOL
FAN
AUTO
ON
EMER
NEXT
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Easy to read LCD provides time,
temperature and program information at a glance.
5.375" (136mm)
3.375"
(86mm)
Project Name
Contractor / Engineer
Date
Location
6000 Commerce Parkway, Ste I I Mt. Laurel, NJ 08054 I P: 856.234.7905 I F: 856.234.7825 LuxProProducts.com