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Honeywell Pneumatic Controls User Manual

Honeywell Pneumatic Controls
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Relays
Humidistats
and
Thermostats Controllers Sensors Relays Switches Actuators Valves Accessories
Engineering
Guide
Cross
Reference
70-6925 53
RP470 Pneumatic Selector Relay
Three-port relays used in HVAC systems to perform a variety of
relay functions; transmit the higher of two input signals, lock out
one pressure signal when a second signal is higher, or transmit
the lower of two pressure signals. Replacement devices are
available for Johnson, Powers, Robertshaw, Barber-Colman, and
older Honeywell devices.
• Uses diaphragm-logic technology.
• In-line, wall, or panel mounted.
• Sharp-barb air connections.
• Molded plastic construction.
RP470A Higher-of-Two Pressures Application
Type: Pneumatic Three-port Selector Relay
Dimensions, Approximate: 1 1/2 in. diameter x 1 in. deep
(38 mm diameter x 25 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)
Operation: Higher-of-two-pressures selector relay
Mounting: Wall or In-line 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)
RP470A
C4492
RA
VALVE
ACTUATOR
ZONE 1
DA
THERMOSTAT
ZONE 2
DA
THERMOSTAT
ZONE 3
DA
THERMOSTAT
N.C.
DAMPER
ACTUATOR
N.C.
DAMPER
ACTUATOR
N.C.
DAMPER
ACTUATOR
3
5
2
RP470A
3
5
2
M B
M
M B
M
M B
M
Product Number Operation
Input Operating
Pressure
Description Includes(psi) (kPa)
RP470A1003 Higher-of-two-
pressures selector relay
0 to 20 psi 0 to 138 kPa Pneumatic Selector Relay, transmits
higher of two input pressures
14003030-001, 1 1/2 in. Mounting
Clip for Mounting relay to wall or
panel
RP470B1001 repeater relay; Lower-
of-two pressures;
Lockout
0 to 20 psi 0 to 138 kPa Pneumatic Selector Relay, used in
lockout, repeater and lower of two input
pressure applications.
14003030-001, 1 1/2 in. Mounting
Clip for Mounting relay to wall or
panel

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Honeywell Pneumatic Controls Specifications

General IconGeneral
BrandHoneywell
ModelPneumatic Controls
CategoryController
LanguageEnglish

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