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Reference
70-6925 9
TP970 Pneumatic Thermostat
Two-pipe, single setpoint, pneumatic thermostat used to provide
proportional control of pneumatic valves and damper actuators in
heating and air conditioning systems. Replacement kits are
available for Johnson, Powers, Robertshaw, Barber-Colman, and
older Honeywell two-pipe pneumatic thermostats.
• Honeywell's best pneumatic thermostat-TP970 series.
• Shock-resistant, suspension-mounted thermostats provide
dependable performance and responsiveness year in and year out.
• Pilot operated for high capacity.
• Direct Acting (DA) and Reverse Acting (RA) models are available.
• Wide throttling range models for Zero Energy Band (ZEB) operation
are available.
• Adapter plate in Convertastat and Modernization kits covers existing
thermostat wallmark.
• Backplate has molded air connections-no separate fittings needed.
• Universal locking cover with satin chrome finish and horizontal,
vertical, or blank window options.
• Typical Wide Throttling Range Application.
Typical Standard Throttling Range Piping Typical Wide Throttling Range Piping
Application Type: Heating
Dimensions, Approximate: 3 1/4 in. high x 2 in. wide x 1 5/8 in. deep
(83 mm high x 51 mm wide x 41 mm deep)
Airflow Usage: 0.011 scfm (5.2 mL/s)
Mounting: Wall
Operating Temperature: 100 F maximum
Storage Temperature: 150 F maximum (66 C maximum)
Remote Bulb: No
Sensor Element: Bimetal
Setpoint: Single
Number of Pipes: 2
Maximum Operating Pressure: 25 psi (170 kPa)
Accessories:
14004439-001 Setpoint Extension
14002430-001 Thermostat Guard
14002362-001 Duct Sampling Chamber
14003192-001 Wallplate adapter kit. Adapts HP970 or TP970 series
stats to HP900 and TP900 flush mounted and TP910 series flush or
surface mounted installations
14004447-001 Setpoint Cam Assembly for TP970A1004, A1012,
A1020, A1038, A1046, A1053, A1095, A2004, A2012, A2020, A2038,
A2053, A2095; TP970C; TP972A1143, A2143; TP973A1001, A1019,
A1127
14004447-002 Setpoint Cam Assembly for TP970B1002, B1010,
B1028, B1036, B2002, B2010, B2028, B2036; TP970D;
TP972A1002, A1010, A1028, A1044, A2002, A2010, A2028, A2044;
TP973B1009, B1017, B1025, B1108
14004447-005 Setpoint Cam Assembly for TP970B1044; TP972A1051,
A1101
305965 1-1/2 in. diameter, 1/8 NPT center stem back mount Pressure
Indicating gauge (0 to 30 psi scale) with +/- 4% accuracy
AK3863 Honeywell Thermostat Tool Kit, TP970/TP900
CCT729A Gauge Adapter for Calibration. Add 305965 0 to 30 psi
gauge for Complete Tool.
CCT735A Thermostat Calibration Tool includes Allen wrench for cover
installation.
Replacement Parts:
14001865-001 Filter Cartridge Assembly
14002053-001 Back Plate Assembly
14002374-004 Restrictor Block Assembly,.005 in., For TP970A-D;
TP971A-E except C; TP972A; TP973A-B; TP9600 family; HP970A-B;
and HP972B
14002573-001 Modernization Kit to convert all 1 & 2 pipe Honeywell &
competitive pneumatic stats to TP970, TP971A, TP972, TP973,
TP974, TP9600 family; HP970, HP971 and HP972
14004459-001 Repair kit consisting of a thermometer assembly, a
thermometer post and a 60 to 90F Aluminum Scaleplate
14004460-001 Nozzle, Throttling Plate and Bimetal Assembly, DA, Left
side
SUPPLY
TP970A,B OR
TP9600A,B
N.O.
M B
M
C3535-1
VALVE
OPEN
VALVE
CLOSED
4 DEGREES F
(2.2 DEGREES C)
ZERO
ENERGY
BAND
THERMOSTAT SETTING
TR=10 DEGREES F
(5.6 DEGREES C)
20C
22C
24C
66F 68F 70F 72F 74F 76F 78F
TP970C
DIRECT
ACTING
COOLING
VALVE
9 TO 13 PSI
(62 TO 90 kPa)
SPRING
HEATING
VALVE
2 TO 5 PSI
(14 TO 34 kPa)
SPRING
N.C.
N.O.
M B
M
C3538
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