Product Overview

ManualsBrandsSiemens ManualsHeating Supplies2-Pipe Powerstar 2 Setpoint/2 Output Cooling Reverse Acting Pneumatic Room Thermostat (45° to 85°F)

Thermostats

A-12

Part No. in black box Ships same day when requested through Rapid Response

shipping. See page 1 for details.

Code Color (add sufﬁ x to Part No.)

None Desert Beige (standard)

W White

Cover Color Options

PLASTIC COLORS

Code Description (add sufﬁ x to Part No.)

K Chassis with 1/2" (13 mm)

diameter setpoint adjustment

knob for convalescent facilities.

Chassis Options

Scale; Range

Major (minor) Divisions ............. 45 to 85°F, 10(2)°F (7 to 30°C, 5(1)°C)

Factory Calibration .....................................................72°F, 7.5 psig ±0.3

(22°C, 52 kPa @ 1.8)

Sensitivity Adjustment Range .................1 to 4 psi/°F (12 to 50 kPa/°C)

Factory Setting .................................................... 2.5 psig/°F (31 kPa/°C)

Limit Stop

Field Adjustment Range .............................................. 45/85°F (7/30°C)

Fixed Limit Stop Range ............................................. 55/75°F (13/24°C)

Temperature

Storage ......................................................-10 to +140°F (-23 to +60°C)

Ambient Operating ........................................... 40 to 140°F (4 to 60°C)

Accuracy at Factory

Calibration ........................................................................ ±2°F (±1.1°C)

Response ........................................................................ 0.1°F (0.06°C)

Supply Air Pressure

Two Pressure (recommended) ................................... 25 psig (172 kPa)

Maximum .................................................................... 30 psig (207 kPa)

Thermostat Chassis

Model # Thermostat Chassis Type & Wall Plate

Air Output Thermometer &

Output Setpoint Capacity Setpoint Scales Control Action

Heat Direct Heat Reverse

Dual Dual Low °F 193-211 Cool (DA) 193-213 Cool (DA)

(1-pipe) (Heat and Cool) (No Relay) °F 193-212 Cool (RA) 193-214 Cool (RA)

°C 193-231 Cool (DA) 193-233 Cool (DA)

°C 193-232 Cool (RA) 193-234 Cool (RA)

Dual Dual High °F 193-215 Cool (DA) 193-217 Cool (DA)

(2-pipe) (Heat and Cool) (Integral Relay) °F 193-216 Cool (RA) 193-218 Cool (RA)

°C 193-235 Cool (DA) 193-237 Cool (DA)

°C 193-236 Cool (RA) 193-238 Cool (RA)

193 HC

1-pipe

193 HC

2-pipe

Thermostat Covers

Sold Separately

Ordering Note “Exposed features” are indicated in green on corresponding illustration.

193 HC

Thermostat Covers

For complete conversion kits, refer to the

Retroline

Retrostats starting on page A-15.

Nominal Air Consumption for Air Compressor Sizing

1-pipe .......................................................................... 50 scim (14 ml/s)

2-pipe .......................................................................... 40 scim (11 ml/s)

Nominal Air Capacity for Air Main Sizing

1-pipe .......................................................................... 50 scim (14 ml/s)

2-pipe .......................................................................... 40 scim (11 ml/s)

Nominal Chassis Air Capacity

1-pipe Supply ............................................... 25 scim (6.8 ml/s) per side

2-pipe Supply .............................................. 230 scim (63 ml/s) per side

1-pipe Exhaust ................................................ 30 scim (8 ml/s) per side

2-pipe Exhaust ............................................ 150 scim (41 ml/s) per side

Air Connections ..................................................5/32" (4 mm) OD tubing

Dimensions (with cover) .............................. 2.16" W x 3.34" H x 1.59" D

(55 mm W x 85 mm H x 40 mm D)

Shipping Weights

Thermostat Chassis and Wall Plate ............................ 0.53 lb. (0.24 kg)

Plastic Cover .............................................................. 0.07 lb. (0.04 kg)

Metal Cover (dual) ....................................................... 0.27 lb. (0.12 kg)

Cover Description Plastic Metal

• Adjustment setpoint concealed 192-257 192-357

• Indicator setpoint concealed

• Chassis thermometer concealed

• No logo

• Adjustment setpoint concealed 192-256 192-356

• Indicator setpoint concealed

• Chassis thermometer concealed

• With logo

• Adjustment setpoint concealed 192-254 192-354

• Indicator setpoint concealed

• Chassis thermometer exposed

• Adjustment setpoint key 192-267 192-367

• Indicator setpoint exposed

• Chassis thermometer concealed

• Adjustment setpoint key 192-268 192-368

• Indicator setpoint exposed

• Chassis thermometer exposed

• Use with 1/2" setpoint knob option

• Adjustment setpoint exposed

• Indicator setpoint exposed 192-258 192-358

• Chassis thermometer concealed

• Use with 1/2" setpoint knob option

• Adjustment setpoint exposed 192-260 192-360

• Indicator setpoint exposed

• Chassis thermometer exposed

Speciﬁ cations/Product Ordering