Engineering Data - Honeywell RP670A Instructions D'installation

RP670A AND B PNEUMATIC SWITCHING RELAYS
Piping
Fig. 4 shows adaptation piping. All connections are sharp
barb 5/32 in. (4 mm) O.D. polyethylene tubing.
CAUTION
Equipment Damage Hazard.
To prevent damage to the sharp barb
connections, do not attempt to cut or pull tubing.
To remove tubing from the barb connections, cut
tubing a few inches from the control device. Use
a coupling to reconnect tubing.
NOTE: When the system is other than copper or poly-
ethylene tubing, adapt as shown in Fig. 4. Some
models provide parts for adapting.
CONNECT
1/4 IN.
(6 MM)
PLASTIC
CONNECT
1/4 IN.
(6 MM)
COPPER
Fig. 4. Adaptation piping.
95-7232EF–1
POST FOR
5/32 IN. (4 MM) O.D.
PLASTIC TUBING
5/32 IN. (4 MM)
O.D. PLASTIC
TUBING CUT
TO LENGTH
5/32 IN. X 1/4 IN.
(4 MM X 6 MM)
O.D. PLASTIC
CONNECTOR
(CCTI606B)
1/4 IN. (6 MM)
O.D. PLASTIC
TUBING CUT TO
LENGTH
1/4 IN. (4 MM) O.D.
PLASTIC/COPPER
ADAPTER
(CCTI633BT)
1/4 IN. (6 MM) O.D.
COPPER TUBING
C8240
2
Port Identification Table
Table 1 identifies the ports of Honeywell pneumatic
relays including older models when upgrading the
installation.
Table 1. Pneumatic Relay Ports.
RP670A
RP670B
Pilot 3
Common
a
7
Normally
a
6
Connected
Normally
a
8
Disconnected
a
On RP670B, one set of ports is gray and the other is
white. Each set is independent, but both switch at the
same time.

ENGINEERING DATA

Specifications
Models:
RP670A: SPDT switching relay; switching action occurs
between:
3 and 7 psi (21 and 48 kPa).
13 and 17 psi (90 and 117 kPa).
18 and 22 psi (124 and 152 kPa).
20 and 25 psi (138 and 172 kPa).
RP670B: DPDT switching relay; Switching action occurs
between:
3 and 7 psi (21 and 48 kPa).
13 and 17 psi (90 and 117 kPa).
18 and 22 psi (124 and 152 kPa).
20 and 25 psi (138 and 172 kPa).
Operating Pressure (Switch and Pilot) Range:
Normal: 13 to 25 psi (90 to 172 kPa).
Maximum Safe: 30 psi (207 kPa).
Ambient Operating Limits:
Temperature: 20 to 140°F (-7 to 60°C).
Relative Humidity: 5 to 95%.
Air Handling Capacity: Pressure Drops: 0.039 scfm
(18.3 ml/s) and 1 psi (7 kPa).
Construction: molded plastic with neoprene
diaphragms, stainless steel lever, steel spring.
RP412A
RP412B RO404 RO48A
Pilot P 1
Common 3 3
OFF 4 4
ON 2 2