Product Overview

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

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Thermostats

A-11

Applications

Designed for buildings with early morning heat

requirements and mid-morning to afternoon cooling

requirements, the Powerstar Free Energy Band Pneumatic

Room Thermostat two temperature thermostat controls

valves, damper actuators and mechanical heating and

cooling equipment. Providing energy management and

occupant comfort, the thermostat automatically reduces

heating load and increases cooling load.

Recommendation

2-pipe (dual 1-pipe): Use when a limited air capacity is

required to operate a single valve and/or actuator.

3-pipe (dual 2-pipe): Use for multiple valves and

actuators with or without high/low limiting controls which

require higher air capacities.

Description

Providing proportional, dual output, dual setpoint, 2-pipe

(dual 1-pipe low air capacity) or 3-pipe (dual 2-pipe high

air capacity) pneumatic room temperature control, the

193 HC Powerstar Free Energy Band Pneumatic Room

Thermostat creates a deadband so that no heating or

cooling occurs during the Free Energy Band.

Features

• Dual setpoint dials available in Fahrenheit or

Celsius scales

• Integral, ﬁ eld adjustable limit stops

• Sensitive bimetal responds to temperature changes

• Adjustable Free Energy Band

• Test port for fast check of output pressure without

removing the cover

• Wall mounting plates for connection to a variety of

rough-in terminal boxes included

• Field replaceable thermometer, setpoint dials,

restrictors and ﬁ lters

• Competitive adapter mounting kits available

Options

• Fixed limit stops to meet government speciﬁ cations

• Quick-connect air connections for ease of installation

and service

• Large, 1/2" setpoint knob for convalescent homes

Typical wall plate and screws.

193 HC Thermostat chassis.

193 HC Thermostat with plastic cover. Chassis wall plate

with easy maintenance plug-in adapters shown (optional).

Input/Output Characteristics

Application Drawings

2-pipe (dual 1-pipe)

3-pipe (dual 2-pipe)

Powerstar Free Energy Band

Heating/Cooling Pneumatic Room Thermostats

193 HC