Product Overview

Thermostats
www.usa.siemens.com/hvaccomponents
A-24
Control Action ..................................................................................Direct
Maximum Supply Air Pressure ...................................... 30 psi (207 kPa)
Sensitivity Range (adjustable) .......... 0.33 to 3.5 psi/°F (4 to 43 kPa/°C)
Factory Sensitivity Setting ................................. 1.25 psi/°F (15 kPa/°C)
Bulb .......................................................................................... Liquid-fi lled
Temperature Response ....................................................... 0.5°F (0.3°C)
Dial Graduations ................................................. 5°F (2.7°C), 2°C (3.6°F)
Maximum Ambient Temperature (case) ............................. 180°F (82°C)
Nominal Air Supply Pressure .................... 18 to 25 psi (124 to 172 kPa)
Mounting .........................................................................Bracket supplied
Air Connection ............................................................................1/8" NPT
Dimensions (Case) ..............................................1.75" Diameter x 3.5" H
(44.5 mm Diameter x 88.9 mm H)
Shipping Weight ................................................................ 2.0 lb. (0.9 kg)
Maximum
Temperature Ambient
Operating Range Sensing Element Capillary Bulb Temp. Part No.
20 to 100°F (-6.7 to +37.8°C) Remote Bulb 8' (2.4 m) 3/8" x 4' (0.95 mm x 10.2 cm) 201°F (94°C) 357-0003
35 to 145°F (1.7 to 62.8°C) Averaging Bulb 40' (12.2 m) 3/32" x 15' (0.24 mm x 457 cm) 210°F (99°C) 357-0004
120 to 230°F (48.9 to 110°C) Remote Bulb 40' (12.2 m) 3/8" x 4" (0.95 mm x 10.2 cm) 261°F (127°C) 357-0005
35 to 145°F (1.7 to 62.8°C) Averaging Bulb 6" (15 cm) 3/32" x 8' (0.24 mm x 244 cm) 211°F (99.4°C) 357-0001
357 D Limitem
Specifi cations/Product Ordering
A-92
Accessories
& Service Kits