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HVAC
THERMOSTATS
P521U 5-2
PROGRAMMABLE OR
MANUAL THERMOSTAT
For Use On:
• Universal Compatibility for Conventional
Heat & AC and Heat Pumps with Up to
2-Stage Heat/ 1 Stage-Cool
• 3 Wire Hydronic (Hot Water) Zone Valves
• Gas Millivolt Heaters
Not For Use On:
• 120/240 VAC Line Voltage Systems
• Dual Fuel Systems
Terminals:
• O, B, G, Y, RC, RH, W1, A, W2, C
Ratings:
• 1.5 Amps per terminal at 24 Volts
• Temperature Control 45F to 90F (7C to
32C)
Dimensions:
• 5.375" (136 mm) x 3.375" (86 mm) x 1.125"
(28 mm)
Features:
• Separate Weekday and Weekend Programs
(2 or 4 periods/day)
• Large Display with Backlight
• Adjust. Heating and Cooling Limits
• Key Board Lock
• Programmable Air Filter Monitor
• Selectable Smart Recovery
• Dual Powered (2 AA Batteries Included)
• User Selectable Programmable or Non-
Programmable Operation
• Manual Temperature Hold
• Temporary Temperature Override
• Adjustable Temp. Differential Cycle Rate
• Adjustable 2nd Heat Stage Offset Setting
• User Temperature Calibration
• 5/2 Minute Selectable Time Delay
• Battery Free Memory Storage
• 12/24 Hour Clock Display
• Optional Wall Plate Available
Locke#
L2016
P521U 5-2 Programmable or
Manual Thermostat
PSP722E 2H/2C DIGITAL
PROGRAMMABLE
THERMOSTAT
• Controls up to 2 Stages of Heat and 2
Stages of Cooling Plus Auxiliary and
Emergency Heat
• Auto Changeover
• 7 Day Programming
COMPATIBLE WITH:
Most 24v Gas, Oil, Electric Heating and Air
Conditioning Systems
Multi-stage Heat Pumps
2 Wire Hydronic Systems
Hydronic Air Handlers
Millivolt Systems
NOT COMPATIBLE WITH:
3 Wire Hydronic Systems
Line Voltage Systems (Without
Transformer)
GENERAL DESCRIPTION:
6" (150mm) wide x 4
3
⁄
8
" (110mm) tall x 1¼"
(30mm) deep
Description: Universally compatible
Everything ’Stat® offers programmable
control of single or multistage heating
and cooling systems. Temperature
control adjustable.
SPECIFICATIONS:
Heat/Cool Terminals: RH, RC, O, B, W1,
W2, Y1, Y2, G, E, C.
Electrical Ratings: 1½ AMPS at each
terminal, 2 AMPS total 24v AC. System
or Battery
Powered: 2 “AA" Batteries (optional).
Temperature Control Range: 45°F to 90°F
(7° to 32°). Accuracy: ±1°F over a range
of 50°F to 95°F.
ENVIRONMENTAL LIMITS:
Moisture and Dust: meets IP20.
Operating Humidity: 20% to 90%
non-condensing.
Operating Temperature: +32°F to +95°F
(+0°C to +35°C).
Storage Temperature: -4°F to +130°F
(-20°C to +54°C).
Electrical Immunity: meets relevant CE
specifications.
Optional Wall Plate: Decorative Wall Plate
is available for thermostat. 6½" (165mm)
wide x 4
3
⁄
8
" (110mm) tall.
Locke#
L2007
PSP722E Everything 'Stat
®
5 AND 2 DAY DIGITAL
PROGRAMMABLE
SEPARATE PROGRAMS FOR
WEEKDAYS AND WEEKENDS
COMPATIBLE WITH:
Most 24v Gas, Oil, Electric Heating and Air
Conditioning Systems
Single Stage Heat Pumps
2 Wire Hydronic Systems
2 Wire Hydronic Air Handlers
NOT COMPATIBLE WITH:
Multi-stage Heat Pumps
Multi-stage Gas or Oil Furnaces
3 Wire Hydronic Systems
120v Heating Systems
GENERAL DESCRIPTION:
4¾" (120mm) wide x 3¾" (95mm) tall x
1¼" (32mm) deep
Optional Wall Plate: 6½" (165mm) wide x
5½" (140mm) tall
Description: System or Battery Powered,
Low Voltage Electronic Setback Heating
and Cooling Thermostat with Sealed
Relay Contacts, Pre-programmed
with Four Adjustable Heating and
Four Adjustable Cooling Programs
for Weekdays, Pre-programmed with
Four Adjustable Heating Programs and
Four Adjustable Cooling Programs for
Weekends.
SPECIFICATIONS:
Electrical Ratings: 1½ AMPS at 24v AC,
Battery Powered: 2 “AA" Batteries
(included)
Temperature Differential:
+ or -1° Factory Preset. Differential
Adjustable from ¼°F to 2¼°F.
Temperature Control Range: 45°F to
90°F (7° to 32°). Accuracy: ±1°F over
a range of 50°F to 95°F. Celsius and
12/24 Hr. Time Capable
Compatibilities: 2-7 Wire Forced Air
Systems, 2 Wire Hydronic Systems,
Single Stage Heat Pumps and
Hydronic Air Handling Systems.
Terminals, G Y W RH B O RC C, Solid
Pin Connections. Allow usage for 24v
and Millivolt Systems.
Program Settings: 4 Present Programs
Per Day Heating and Cooling. All may
be Easily Reprogrammed in 1° and 15
Minute Increments.
Circuit Protection: Circuit Protection is
Built-in, No Isolation Relays Required
Compressor Protection: Built-in 5 or 2
Minute Time Delay.
Locke#
L2008
PSP511LA 5/2 day digital
programable thermostat