P521U
Programmable / Non-Programmable
Thermostat
Feature rich programmable/non-programmable all-in-one thermostat
5/2-day
Programmable • Non-Programmable
Product Highlights
✓ All In-One Programmable /
Non-Programmable
✓ Universal heat pump
& conventional heat / cool
✓ Dual power
✓ 3 year warranty
✓ Adjustable 2nd stage heat offset
Product Features
Installation
Compatible With
ƒ Easy installation
ƒ Universal compatibility for conventional heat & A/C
ƒ Universal compatibility for heat pumps with up to
2-stage heat/1 stage cool (including AUX/EMERG heat)
ƒ 2 and 3-wire hydronic systems (hot water baseboard &
radiator)
ƒ Gas Millivolt heaters (wall heaters / furnace & gas
fireplaces)
ƒ Program 5/2-day or non-programmable
ƒ Easy-view back light
ƒ Optional wall plate model #WP567
ƒ User option: 2 or 4 periods per day
ƒ Keypad lock for unauthorized use
ƒ Temporary override and manual hold
ƒ Dual powered (2AA) Alkaline Batteries (included)
ƒ Temporary compressor protection bypass
ƒ 5/2 minute selectable time delay for equipment
protection
Not Compatible With
ƒ Line voltage systems (120/240 VAC)
ƒ User temperature calibration
ƒ Display option: fahrenheit or celsius temperature
ƒ Adjustable heating and cooling limits
ƒ Speed Slide® for easy programming
ƒ Air filter monitor
ƒ Selectable smart recovery
ƒ AM/PM clock or military time option
ƒ Adjustable temperature differential/swing
6000 Commerce Parkway, Ste I
I
Mt. Laurel, NJ 08054
I
P: 856.234.7905
I
F: 856.234.7825
LuxProProducts.com
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