MODEL 13000 Application Guide
1
Figure 1: Aprilaire 8870 Thermostat — Model 130 Remote Communication Node
PB1— SERIAL LOOP BACK TEST
A valid 8870 thermostat command is sent ov er the
RS485 interface. A valid return data string is
expected.
? Green LED (D5) flash = PASS
? Red LED (D4) flash = FAILED.
PB2 — RF COMMUNICATION TEST
Initiates a 5-second communication test with the
model 130 Master transceiver it has been linked to. .
? Green LED (D5) flash = PASS
? Red LED (D4) flash = FAILED
PB3 — CONFIGURATION SETUP
Holding PB3 down for 3-seconds places unit into
configuration setup (see Configuration Setup section
for details).
PB2 + PB3 — INSTALLATION MODE
Simultaneously pressing PB2 & PB3 places the
model 130 Remote Communication Node (RCN) into
Installation Ready mode for a 5-second period during
which time it can be linked to a Master Transceiver.
The Yellow LED (D3) and Green LED (D2) will
simultaneously light to indicate the RCN is in
Installation Ready mode.
PB1
PB3
PB2
D1
D2
D3
D5
D4
RED ( R )
BLK ( C )
YEL (A+)
BLUE (A -)
WH (B+)
GRN (B -)
J2
Power Supply
Network
Processor
ANT
Thermostat
24VAC Power
Crystal
Serial Interface
8870 Thermostat
Communication Terminals
RF
XCVR
RF Section