
7
NCP
The sensor can also function with a unit controller
with an NCP/L-Connection System. The 21L07 is
compatible in standalone or with an NCP with the
following unit controllers:
•
M1-8
•
M2
•
M3
•
M4
See Figure 5. NCP Wiring Configuration on page
8 for wiring connection detail example..
RTU BUS
Address = 2
S
-
BUS OPERATION IN STANDALONE MODE
SENSOR BUS
Address = 2
NOTE: Wireless sensor S-Bus address MUST
match RTU S-Bus address.
DRAIN WIRE
NOTE: Use 22AWG, one twisted pair shield cable
(100% aluminium shield with strain wire with Teflon jacket.
Recommend Lennox Catalog numbers 94L63, 27M19, 68M25
or Beld Type 88761 or equivalent.
Figure 4. Wired Standalone