Sine Systems RFC-1/B Instruction Book

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nearby cold-water pipe, metal conduit, or isolated ground rod for their ground and this may
be, electrically speaking, quite a distance from your station ground system. Do not
disconnect their ground connection, just add a supplemental conductor from their ground
point to the station ground.
We high ly re commend that you purchase and install your own telephone line surge protector
in addition to th e one installed by the telephone company . The Radio Shack 43-102 Telephone
Spike Protector is inexpensive ($12.95) yet adequate for many installations. Install this
between the telephone line and the RFC-1. The 43-102 is designed to pick up a ground
connection through the ground prong on a standard AC outlet so be sure this is in fact
connected to your station ground by the shortest possible means. For best result, install a
"dummy" AC outlet with no AC connections but with a short jumper from the ground
terminal on the outlet the metal rack in which the RP-8 relay panel is mounted. The 43-102
has internal, non-replaceable fuses which will blow during a heavy surge. If this happens,
replace the protector. Do not attempt to repair it.
For installations where lighting damage occurs on a regular basis, or for other installations
where the absolute maximum in reliability is required, we recommend the Sine Systems SP-8
Surge Protector. Using a combination of ground-plane construction, gas surge-suppressors,
metal-oxide varistors, and "sacrificial" carbon film resistors, it provides significant protection
against voltage surges from the telephone line, the local telephone, and eight telemetry
channels. It is designed to mount directly to an RP-8 Relay Panel with five metal standoffs
and therefore provides a very low impedance electrical connection to the RFC-1 and RP-8.
One SP-8 Surge Protector consists of an SP-8 Surge Protector PC board assembly, five metal
standoffs, two 24" modular telephone cords and installation instructions/engineering
documentation. The SP-8/TO is an identical version except for the omission of the telephone
line and local telephone surge protection. It is designed to protect additional RP-8 panels in
systems having more than one RP-8 panel.
/|\ WARNING!
/ * \ Damage to the RFC-1 and RP-8 by lightning (and any
other external means) is not covered under warranty .
Temperature Monitoring
The model TS-l/PS Temperature Sensor with power supply is available as an accessory to the
RP-8 Relay Panel to monitor room temperature. Temperatures of 5.0° F to 203.9° F can be
monitored with 0.1° F resolution. It's really handy be be able to keep tabs on things like room
temperature and transmitter exhaust temperatures. You can purchase our ready-made
module or you can put one together yourself and save some money. The heart of such a
sensor is the National LM34 which comes in a TO-92 package and provides a linear 10
millivolt per degree Fahrenheit (or Celsius, depending on the version) output. Hooking one up
to an RP-8 panel is easy:
3.00.2
Installation page 5.11

Sine Systems RFC-1/B Specifications

General

Brand	Sine Systems
Model	RFC-1/B
Category	Remote Control
Language	English