Before Installation - Honeywell SP970A Instructions D'installation

SP970A, B, C AND D MANUAL AND MINIMUM POSITION PRESSURE REGULATORS

BEFORE INSTALLATION

SP970A and C only
For panels having a thickness greater than 5/16 in.
(8 mm) but less than one in. (25 mm), use 315677A Bus
Assembly.
INSTALLATION
Mounting
The SP970A and C can be panel, surface or wall
mounted. The SP970B and D are surface or wall
mounted. See Fig. 3 and 4.
SP97O
SHAFT
HEX NUT
CENTER
PUNCH
MARK
IN "V"
GROOVE
Fig. 3. SP970A and C panel mounting.
SP970A AND C
SPRING
CLIP
SP970 SWITCH
MOUNTED
HERE
SCREW
C8275
Fig. 4. SP970 surface or wall mounting.
Panel Mounting SP970A and SP970C
1. Drill a 5/8 in. (16 mm) hole.
2. Lock the SP970 switch and scaleplate to the panel
with a hex nut on the back of the panel. Use a sec-
ond hex nut on the front panel. See Fig. 3.
95-7237EF
8 PSI
CENTER PUNCH MARK IN "V" GROOVE
SHOWING 8 PSI (55 kPa) CALIBRATION -
ENLARGED
PANEL-UP TO 5/16 IN.
(8MM) THICK
SCALEPLATE
5/8 IN. (16MM)
DIA. HOLE
HEX NUT
SP970B AND D
C8277
NOTES:
√ The scaleplate, knob and two mounting nuts
are furnished with SP970A and C.
√ Do not mount the knob during installation.
Refer to the Calibration section of this docu-
ment.
Surface Mounting
Use the mounting bracket as a template and secure
mounting bracket to surface. See Fig. 4. Screws are not
provided.
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 the tubing from the barb connections,
cut tubing a few inches from the control device.
Use a coupling to reconnect tubing.
NOTES: When the system is not copper or polyethylene
tubing, adapt as shown in Fig.5. Some models
provide parts for adapting.
KNOB
CONNECT
C8278
CONNECT
1/4 IN.
(6 MM)
COPPER
Port Identification Table
The two right columns in Table 1 identifies the ports of
older Honeywell pneumatic relays when upgrading
installation.
2
1/4 IN.
(6 MM)
PLASTIC
Fig. 5. Adaptation piping.
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
C8276