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Technical Instructions 
Document Number 155-067P25 
October 28, 2010 
 

Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as 
design improvements are introduced. Powers is a registered trademark of Siemens Industry, Inc. Other product or company names mentioned 
herein may be the trademarks of their respective owners. © 2010 Siemens Industry, Inc.

 

Siemens Industry, Inc. 

Building Technologies Division 
1000 Deerfield Parkway 
Buffalo Grove, IL  60089 
USA 
+1 847-215-1000 

Your feedback is important to us. If you have 

comments about this document, please send them 

to 

[email protected]

Service Parts 
(Continued) 

Description Part 

Numbers 

Plug-in adapters for quick thermostat removal 

 

Straight, blue (package of 20) 

192-485 

Straight, white (package of 20) 

192-486 

Air link connects adapters for pressure tests (package of 20) 

192-501 

Compression ring (package of 100) 

141-388 

Elbow (provides quick return for wall surface mounting), blue 
(package of 20)  

192-487 

Elbow (provides quick return for wall surface mounting), white 
(package of 20) 

192-488 

20 scim (5.4 ml/sec) restrictors for 1-pipe systems (package of 5). 
(1/4", 6.4 mm, O.D. plastic barb unless noted.) 

 

Brass coupling, 1/8” NPT (1 only). 

184-040 

Coupling 184-116 

Tee 

184-113 

Pre-piped dual tee for dual 1-pipe systems 

184-130 

Replacement thermometer kits, brown (package of 5) 

 

Scale Range 

Thermostat Model 

 

45° to 85°F 

 

192-775 

10° to 30°C 

TH0443R1

 

Model 3 and Up 

192-776 

45° to 85°F 

 

192-786 

10° to 30°C 

TH0442R1

 

Models 1 and 2 

192-785 

Replacement setpoint dials (package of 10) 

 

°F, Direct Acting 

192-779 

°F, Reverse Acting 

 

Document No. 155-067P25 

Printed in the USA 

Page 13 

 

192-780 

°C, Direct Acting 

192-783 

°C, Reverse Acting 

Right Side 

192-784 

°F, Direct Acting 

192-777 

°F, Reverse Acting 

192-778 

°C, Direct Acting 

192-781 

°C, Reverse Acting 

Left Side 

 
 

 

192-782 

 

Содержание TH 192 DN

Страница 1: ...ions or with plug in adapters provided with the TH 192 rough in terminal box or optional accessories which slide into the wall mounting plate Features Direct and reverse acting for day and night modes DN models Two separate adjustable temperature setpoint indicating dials Two highly sensitive bimetal thermostatic elements Operating mode automatically switches from day to night on change of main ai...

Страница 2: ...n evenings and weekends to reset the control system to the night mode ensures optimum energy management When a zone is operating in maximum economy mode at night an occupant can reset an individual space to day temperature by switching a manual override During night control the TH 192 DNV provides a separate output signal full air supply which allows ventilation to occur TH 192 DN DNV thermostats ...

Страница 3: ...upply output signal required for ventilation control 4 Where is setpoint adjustment knob located a Adjustment knob located at bottom of chassis b Adjustment knob on front with 1 2 inch large exposed knob Table 2 TH 192 DN DNV Thermostat Chassis Part Numbers Chassis with Wall Plate Fahrenheit Celsius Connection Type Control Action Exposed at Bottom of Cover Exposed 1 2 Knob on Cover Exposed at Bott...

Страница 4: ...e plastic cover option add W suffix code to cover part number for example 192 256W See Table 2 a For white metal cover option add H suffix code to cover part for example 192 356H See Table 3 Table 3 TH 192 DN DNV Thermostat Cover Part Numbers Cover Configuration Cover Part Number See Note 2 Setpoint Adjustment Thermometer Setpoint Indicator Standard Plastic Cover Standard Metal Cover Concealed 192...

Страница 5: ...0 C Ambient operating temperature 40 to 140 F 4 to 60 C Temperature response 0 1 F 0 06 C Dial graduations 2 F 1 C Factory settings Calibration 72 F 22 C 7 5 psi 52 kPa Sensitivity 2 5 psi F 31 kPa C Limit stop adjustment 45 and 85 F 7 and 30 C Standard cover Cycolac desert beige Shipping weight 0 7 lbs 0 3 kg Dimensions See Figure 4 Accessories See the following Technical Bulletins for informatio...

Страница 6: ...anual Selector Switch A manual selector switch allows an individual thermostat to control at its day setting even though the remainder of the system is controlling at its night setting In the normal AUTO position the manual selector switch does not interfere with air passage to the changeover relay To manually set the selector switch to the DAY position push the selector in until it latches and th...

Страница 7: ...n 14 and 22 psi 96 and 152 kPa 1 Connect pressure gauge or manometer to measure supply pressure to thermostat Use 30 psi 207 kPa supply through a positioning switch so pressure can be fully variable 2 Determine current change over point Turn day dial so day and night control pressures are different Then note the changeover point on the control gauge as the supply pressure changes 3 Remove thermome...

Страница 8: ...th Rotate limit stop to its new position Do not pull limit stop any more than necessary to clear the gear teeth Changing the limit stop position one gear tooth changes the limit stop setting by 1 1 3 F 0 7 C Figure 8 TH 192 DN and DNV Limit Stop Adjustments Sensitivity Adjustment To change thermostat sensitivity use a flat blade screwdriver to carefully move the sensitivity slide to the desired po...

Страница 9: ...alibrate the instrument Day Time Calibration Step 1 Remove cover using 192 632 calibration tool Verify room temperature is between 70 and 80 F 21 and 27 C Step 2 Verify that supply pressure is 18 psi 124 kPa Set daytime dial to room temperature by turning the exposed adjustment knob or using a hex key as shown Allow thermostat to stand for about five minutes to adjust to the new setting Step 3 Moi...

Страница 10: ...by turning the exposed adjustment knob or using a hex key as shown Allow thermostat to stand for about five minutes to adjust to the new setting Step 3 Moisten needle and insert 192 633 test gauge and needle adapter in the test port Read control pressure Step 4 If control pressure does not read 7 to 8 psi 48 to 55 kPa turn calibration screw using 192 632 calibration tool or 1 8 3 2 mm wrench until...

Страница 11: ...ing Output Pressure Test Port Table 4 Troubleshooting Guide Problem Check Cause Action Air supply Low supply pressure As required Nozzle or flapper Dirt on nozzle or flapper Clean nozzle or replace thermostat Restrictor Clogged restrictor Replace restrictor Control pressure stays at approximately zero Calibration Out of calibration Recalibrate Nozzle Clogged nozzle Clean nozzle or replace thermost...

Страница 12: ...placement kit 192 321 to replace filters 6 Use chassis tube connector replacement kit 192 525 to replace connector and mounting screws Service Parts The following chart lists accessory parts and tools available for thermostat service Description Part Number Dial thermometer 40 to 140 F 40 to 60 C with pocket case 141 0573 Basic pneumatic calibration kit with thermometer gauge squeeze bulb fittings...

Страница 13: ... package of 20 192 486 Air link connects adapters for pressure tests package of 20 192 501 Compression ring package of 100 141 388 Elbow provides quick return for wall surface mounting blue package of 20 192 487 Elbow provides quick return for wall surface mounting white package of 20 192 488 20 scim 5 4 ml sec restrictors for 1 pipe systems package of 5 1 4 6 4 mm O D plastic barb unless noted Br...

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