Filter
Top Products
2
TDIAP502730, TDIAP520830, & TDIAP521030 AIRFLOW SWITCHES
XX-XXXX
Honeywell Europe S.A.
3 Avenue du Bourget
B-1140 Brussels Belgium
Honeywell Asia Pacific Inc.
Room 3213-3225
Sun Hung Kai Centre
No. 30 Harbour Road
Wanchai
Hong Kong
Home and Building Control
Honeywell Limited-Honeywell Limitée
155 Gordon Baker Road
North York, Ontario
M2H 2C9
Honeywell Latin American Division
Miami Lakes Headquarters
14505 Commerce Way Suite 500
Miami Lakes FL 33016
Helping You Control Your World
77-4023-1 Rev. 5-96
Home and Building Control
Honeywell Inc.
Honeywell Plaza
P.O. Box 524
Minneapolis MN 55408-0524
Printed in U.S.A. on recycled paper
containing at least 10% post-consumer paper fibers
DESCRIPTION
Airflow Differential Pressure Switches are used to sense
positive, negative, or differential air pressure in HVAC
systems. They provide high or low limit with alarm or high limit
shutdown with manual reset.
SPECIFICATIONS
Models:
❑ TDIAP502730: auto reset, compression fittings also
available as 14004866-001 for panel mounting
❑ TDIAP520830: auto reset, barb fittings
❑ TDIAP521030: compression fittings, manual reset
Setpoint:
TDIAP520830, TDIAP502730: Adjustable 0.05 to
12.0 in. wc (0.0018 to 2.98 kPa)
TDIAP521030: Adjustable 0.30 to 12.0 in. wc (0.0108
to 2.98 kPa)
Connections:
Electric:
Screw terminals with cup washers
Knockout for 1/2-in. conduit
Pneumatic:
Compression fittings for 1/4-in. (6 mm) O.D. rigid or
semirigid tubing
Barb fittings for 1/4-in. (6 mm) O.D. polyethylene tubing
Switching Differential, Nonadjustable:
TDIAP520830, TDIAP502730: 0.02 ±0.01 in. wc (0.72
±0.36 Pa) at minimum setpoint to approximately
0.80 in. wc (0.029 kPa)at maximum setpoint. Normally
open contacts close on a pressure rise above setpoint
and normally closed contacts open on a pressure rise
above setpoint.
TDIAP521030: 50% of setpoint at minimum setting to
2.5 in. wc at maximum setpoint. Contact opens on
pressure rise above setpoint and remain open until
pressure drops below setpoint plus differential and
reset button is fully depressed.
Switching Action:
SPDT contacts on auto reset models. Normally open
contacts close on a pressure rise above setpoint and
normally closed contacts open on a pressure rise
above setpoint.
SPST normally closed on manual reset model, contact
opens on pressure rise above setpoint. Must be
manually reset.
Maximum Differential Pressure:
0.5 psi, 13.85 in. wc, or 3.44 kPa
Electrical Rating:
TDIAP520830, TDIAP502730 and 14004866:
278 VA Pilot duty, 24V ac;
300 VA Pilot duty, 120 to 277V ac;
15A non-inductive to 277V ac maximum
10 mA at 5V dc (gold-flash contacts)
TDIAP521030:
20A resistive 125 to 277V ac
3/4 hp, 125V ac
1-1/2 hp, 250V ac
6000 cycles
Listings:
UL and CSA Listed
FM approved
Operating Temperature:
–40 to 190F (–40 to 88C)
Mounting Position:
Diaphragm must be vertical with input connections down.
Dimensions in Inches (Millimeters):
5.55
(141)
5 (127)
6 (152)
3.1
(78)
TRIAP521030
ONLY
C6981