Rp471 Snap-Acting Pneumatic Relay; Snap-Acting - Honeywell Pneumatic Controls Engineering Manual

Relays

RP471 Snap-Acting Pneumatic Relay

RP471A Typical Piping
OUTDOOR AIR
THERMOSTAT
M B
RP471A
M
3
8
M
6
7
N.O.
HEATING
DA SPACE
VALVE
THERMOSTAT
TO
MIXING
BOXES
PERIMETER
HEAT
Product Number Operation
RP471A1002 Proportional to 2-
position converter
54 customer.honeywell.com
M
C4486
Differential Pressure
Range
(psi) (kPa)
1 psi 7 kPa
maximum maximum
The four port, snap acting relay converts a proportional air
pressure change from a controller to a positive (two-position)
pressure change. It can also divert a supply line to one of two
branches. Replacement device is available for Johnson, Powers,
Robertshaw, Barber-Colman, and older Honeywell devices.
• Manually adjustable switching pressure.
• Sharp barb connections for 5/32 inch (4 mm) O.D. plastic tubing.
• Molded plastic construction with neoprene diaphragms and
stainless steel lever.
• Mounts in any position with mounting clip.
Type: Pneumatic, four-port, snap acting relay
Dimensions, Approximate: 1 1/2 in. diameter x 2 3/4 in. deep
(38 mm diameter x 70 mm deep)
Air Connections: Barb fittings 5/32 in. (4 mm) O.D. plastic tubing
Capacity: 0.039 scfm at 1 psi differential (18 mL/s at 5 kPa differential)
Mounting: Wall or Panel
Operating Humidity Range (% RH): 5 to 95% RH
Temperature Range: 0 F to 140 F (-18 C to +60 C)
Maximum Safe Operating Pressure: 30 psi (205 kPa)
Nominal Switch Differential: 0.5 psi (3 kPa)
Setpoint Range
(psi) (kPa) Description
Adjustable
Adjustable Wall or Panel Mounted
between 21 to Pneumatic, four-port,
between 3 to
103 kPa snap acting relay, SPDT
15 psi
70-6925
Includes
14003030-001, 1 1/2 in.
Mounting Clip for Mounting
relay to wall or panel