Carrier 30WI Manual page 24

Chiller - heat pump control
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6 - LIST OF PARAMETERS
No.
Description
Circuit 2 (continued)
3
616 Opening of C2 valve when heat pump started
3
617 Opening time at start-up, C2
3
618 Circuit 2 slow mode
1
700 Communication protocol
1
701 Transmission speed
1
702 Parity
1
703 Number of stop bits
1
704 Swapped real number format
1
705 Bus number
2
800 Master machine on loop
2
801 Backup machine
2
802 Switch backup machine
2
803 Name of backup machine
2
804 Loop control type
2
805 Machine differential
2
806 Differential between machines
2
807 Maximum differential, additional machine
2
808 Time delay between machines
2
809 Machine 1 'on' authorisation
2
810 Machine 2 'on' authorisation
2
811 Pump turned off by control
2
900 F gas tightness check reminder
2
901 F gas check reset
2
910 Maintenance check reminder
2
911 Maintenance check frequency
2
912 Maintenance check reset
24
Setting
10 to 100 %
1 to 60 seconds
C
ommunication
BUS MODE
Adjustable: 4800, 9600 baud
or 9600 jbus
Without, even or odd
1 or 2
Yes or No
0 to 255
Master/Slave (2 machines) if p28 = yes
Yes/No
Yes/No
Yes/No
Master/Slave
CASCADE or PARALLEL or
PROGRESSIVE
0,5 to 5°C
1 to 10°C
1 to 10°C
0 to 60 min.
Yes/No
Yes/No
No
Yes, except for one
Yes, machine off
Maintenance
No -03-06-12 months
No –in hours-in months
1 to 9999 hrs
1 to 99 months
Default
Display conditions
If P42 = VCM and P3 = 2
20
and P2 = reversible air-to-water
5
If P42 = VCM and P3 = 2
If P42 = VCM and P3 = 2
BUS MODE
9600 baud
Without
1
Yes
1
No
If P28 = Yes
No
If P28 = Yes
No
If P28 = Yes
Slave
If P28 = Yes
CASCADE
If P28 = Yes
1,5
If P28 = Yes
4.0
If P28 = Yes
0.0
If P801 = Yes
1
If P28 = Yes
Yes
If P28 = Yes
Yes
If P28 = Yes
No
No
If P900 ≠ No
No
2000 hrs
If P910 is in hours
12 months
If P910 is in months

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