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P521U | Johnson Controls | Thermostats & Controllers

T-STAT/2HEAT/1COOL,UNIVERSAL,LARGE SCREEN,TEMP LIMITS,FILTER MONITOR,SMART RECOVERY

Brand:Johnson Controls

MPN:P521U

SKU:P521U

List Price:

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Today's Price:

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product specifications

Type

Programmable

Display

LCD

Set Point Range

23 to 99 °F

Controls Outputs

2H/1C

product series specifications

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 Differential 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 compatibility for conventional heat & A/C; Universal compatibility 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/furnace & gas fireplaces)

Not Compatible With: Line voltage systems (120/240 VAC)

Packaging: Master Carton 10 units

UPC: 0 21079 125210

product series features

Easy installation
Program 5/2-day or non-programmableÂ
Easy-view back-light
User option: 2 or 4 periods per day
Temporary override and manual hold
Temporary compressor protection bypass

more information & related documents

Series Description

The LUX P5-P6 Series thermostats are all-in-one programmable/non-programmable thermostats for conventional, 2 and 3-wire hydronic systems, gas millivolt heaters, and universal heat pumps. The P521U has a 5/2 day programmable option and the P621U has a 5/1/1 programmable option. Both thermostats have a digital LCD display and are dual powered (24V) and battery (2AA). Both work on conventional HVAC systems, 2-stage heat/1 stage cool heat pumps with auxiliary/emergency heat, 2/3-wire hydronic systems, and gas millivolt heaters. These thermostats are white and mount horizontally.

Kele Description

T-STAT/2HEAT/1COOL,UNIVERSAL,LARGE SCREEN,TEMP LIM

Manufacturer

Johnson Controls