Carrier ETN Installation Instructions Manual page 3

ALARMS: INTERCONNECTION BETWEEN THE THERMOSTAT AND THE UNITS WITH MASTER LINK-I
ONLY VALID FOR WIRING DIAGRAMS: REF.-ETN01-02-03-04-05-06-07-08-13-14-15 AND 16
UNITS WITHOUT ELECTRICAL HEATERS
B2
B1
B4
K1 PL
K2 B3
K3 PL
K4 B2
K5 PL
K6 B1
PA1/PA2
PL
THERMOSTAT
E E
TERMINALS
PA1 / PA2 Expansion Board required for
interconnection.
UNITS WITH ELECTRICAL HEATERS
B2
B1
B4
K1 PL
K2 B3
K3 PL
K4 B2
K5 PL
K6 B1
PA1/PA2
PL
73
THERMOSTAT
E E
TERMINALS
Disconnect wiring 73 from terminal PL
and connect this end to one of terminal
E on the thermostat terminal strip. If
this connection is made, the bridge
marked with must be made (*). The other
thermostat terminal E is connected from
the K5 on the board or from terminal 70.
- 34 -
(*)
B.-
Remove rear panel.
C.-
Pass the connection wiring through the hole marked
with 1 . Secure the rear panel to a standard recessed
box using the two screws marked with or
wall or flat surface using the
marked with .
3
Make the electrical connections as shown in the attached
wiring diagrams.
D.- Mount from thermostat panel on rear, firt using the two
tabs at the bottom and then pushing until the top tab fits into
the rear part secured to the wall.
- 3 -
to
2
three screws