Honeywell TP972A - Manuals - manualsarea.com

Page 2 - SPECIFICATIONS

2 TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 75-7134—1 SPECIFICATIONS Maximum Safe Air Pressure: 25 psi (172 kPa) Maximum Safe Temperature: 150F (66C) (continued) See Tables 1 though 6 for additional specifications. Thesetables represent the direct replacements of existingthermostats at the time ...

Page 8 - OPERATION

8 TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 75-7134—1 Table 6. TP9600 Thermostat Specifications. Model No. Description Setpoint Slot Includes Stat. Single Temperature, Two-Pipe: TP9600A 1007 DA, Open Windows Open TP970A 2004 TP9600B 1006 RA, Open Windows Open TP970B 2002 TP9603A 1001 DA, Close W...

Page 11 - Covers; MAINTENANCE; General

TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 11 75-7134—1 TP979A-E The TP979 thermostats provide independent control ofheating and cooling with dual thermostats and separatesetpoints and branch lines. This enables ZEB operationwithout selected actuator springs or ratio relays (Fig. 12). 64F 66F 68F...

Page 12 - Calibration; Calibration Check

12 TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 75-7134—1 Calibration NOTES: 1. The antihum spring (Fig. 15) must be free. Be sure thespring just touches the throttling plate and is notwedged against it (does not apply to all TP970C and Dor any TP970 series starting with 2000, i.e.,TP972A2143 and T...

Page 13 - Switchover Calibration

TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 13 75-7134—1 TP972A and TP9620A 1. With 13 psi (90 kPa) main air pressure, turn the DAY(SUMMER) (left) calibration screw (Fig. 15) until thegage reads 0 psi (0 kPa). 2. Turn the calibration screw in the opposite direction untilthe gage reads 8 ± 1 psi (5...

Page 14 - TROUBLESHOOTING

14 TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 75-7134—1 TROUBLESHOOTING See Table 7 for troubleshooting procedures. Table 7. TP970 Series Thermostat Troubleshooting Procedures. Problem Possible Cause Solution* Excessive noise If there is an antihum spring, it is nottouching the throttling plate. ...

Page 15 - REPAIR; Thermometer Replacement; CAUTION; Setpoint Indicator Adjustment Replacement

TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 15 75-7134—1 REPAIR Thermometer Replacement NOTE: The following procedure requires a 1/4-in. (6 mm)nut driver and a small screwdriver. 1. Insert the blade of a small screwdriver under thebimetal (Fig. 17) and pry up. Older style thermostatshave a locking...

Page 16 - Restrictor Block and Filter Replacement

16 TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 75-7134—1 O-RING NOZZLE, THROTTLING PLATE AND BIMETAL ASSEMBLY NOZZLE, THROTTLING PLATE AND BIMETAL ASSEMBLY M12208 BOTTOM VIEW OF BIMETAL ASSEMBLY SCREW SCREW ANTIHUM SPRING OR CONE SCREW IF THERE IS NO ANTIHUM SPRING/CONE, THERE IS AN ADHESIVE PAPER...

Page 17 - Day/Auto Lever Assembly Replacement; Switchover Adjustment Spring Replacement

TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 17 75-7134—1 M12205 SPRING LEVER COVER PLATE CAUTION:THIS PIN IS FREE TO DROP OUT WHENLEVER IS RELEASED. Day/Auto Lever Assembly Replacement 1. Remove the three Phillips head screws that fasten thelever mechanism to the back of the thermostat (Fig.20). 2...

Page 18 - PARTS AND ACCESSORIES; Parts List

18 TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 75-7134—1 PARTS AND ACCESSORIES Parts List TP970-TP974 and TP9600-TP9630 See Figures 22 and 23, and Table 8 for TP970-TP974 andTP9600-TP9630 Thermostat repair parts and assemblies. 1 6 1A 1B 1C 1D 7 8 9 10B 10 * 10C 10D 11 12 2 1 M12210 2 REPLACE THE ...

Page 21 - Accessories

TP970 AND TP9600 SERIES PNEUMATIC THERMOSTATS 21 75-7134—1 Table 9. TP978E Thermostat Repair Parts and Assemblies. Model A B C D E Key No. Part No. Description 1 — Screw, No. 4 x 3/16 pan head (2) X X 2 — Washer X 3 14002387-004 Nozzle, Throttling Plate, Bimetal Assembly (DA, left) X 14002098-004 No...

Honeywell TP972A - Manuals

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Manual Honeywell TP972A

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