Carrier 61AF Operating Instructions Manual page 5

NRCP2-BASE control board
J2A
J2B
J3
J4
J5
NRCP2-BASE board connections
Connector/channel
CH 08/J4
CH 09/J4
CH 10/J4
CH 12/J5
CH 13/J5
CH 20/J2B
CH 21/J2B
XXXX/J12
3.6.2 - Volt-free on/off contact
If the unit works in the remote operating mode (Remote)
the operation of the on/off contact is as follows:
Without multiplexing
On/off contact
With multiplexing
On/off contact
3.6.3 - Volt-free setpoint selection contact
Set point selection contact
3.6.4 - Volt-free capacity limitation selection contact
Capacity limitation
J7A J7B J8
J6
Type Terminal
DI 32-33
DI
DI 73-74
DI
DI
DO
DO
Series
Off On heating
Open Closed
Off On heating On auto
Open Closed Open
Heating
hsp 1 hsp 2
Open Closed
100% Limit
Open Closed
J12
J11
J10
J9B
J9A
Description
Remote on/off switch
Customer safety loop input (0 = fault, 1 = OK)
Capacity limitation selection
Setpoint selection
Power detection input (micro-cut protection)
Reversible four-way valves
Water heater command
RJ-45 series connection
- Pin 1: signal +
- Pin 2: ground
- Pin 3: signal -
Optional PD-AUX board
J9 J7
J8
J1
J6
J5
J4
J3
J2
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