Appendix c — ccn tables (cont), Maintenance display tables (cont) – Carrier AQUAFORCE 30XW150-400 User Manual

Page 129

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129

APPENDIX C — CCN TABLES (cont)

MAINTENANCE DISPLAY TABLES (cont)

*Always CCN for the slave chiller.

†Slave chiller chillstat value

**This decision is consistent for master chiller only. It shall be set by default to 0 for the slave chiller.

††This item is true when chiller has loaded its total available capacity tonnage.

NOTE: Table for display only. Used for Cooling and Heat Pump Compressor Envelope.

TABLE

DISPLAY NAME

RANGE

UNITS

POINT NAME

WRITE STATUS

MSTSLAVE

MASTER/SLAVE CONTROL
Unit is Master or Slave

Disable/Master/Slave

mstslv

Master Control Type*

Local/Remote/CCN

ms_ctrl

Master/Slave Ctrl Active

True/False

ms_activ

Lead Unit is the:

Master/Slave

lead_sel

Slave Chiller State†

0=Chiller is off
1=Valid Run State in
CCN Mode
2=Unused for this control
3=Chiller is in local mode
4=Power fail restart in
progress
5=Shudown due to fault
6=Communication failure

slv_stat

Slave Chiller Total Cap

0-100

%

slv_capt

Lag Start Delay**

1-30

minutes

l_strt_d

Lead/Lag Hours Delta*

±nnnnn

hours

ll_hr_d

Lead/Lag Changeover?**

Yes/No

ll_chang

Lead Pulldown?

Yes/No

ll_pull

Master/Slave Error

nn

ms_error

Max Available Capacity?††

True/False

cap_max

Slave Lagstat

0=Unit not configured
as a slave chiller
1=Slave pump
configuration error
(ms_error=1)
2=Unit configured as
slave chiller with
lwt_opt=no (entering
water control) with
pump control
(lag_pump=0)
3=Unit configured as slave
chiller with lwt_opt=yes
(leaving water control)
with pump control
(lag_pump=0)
4=Unit Configured as slave
chiller with lwt_opt=no
(entering water control)
with no pump control
(lag_pump=1)
5=Unit configured as slave
chiller with lwt_opt=yes
(leaving water control)
with no pump control
(lag_pump=1)

lagstat

TABLE

DISPLAY NAME

RANGE

UNITS

POINT NAME

WRITE STATUS

OCCMAINT

Current Mode (1=occup.)

0/1

MODE

Current Occp Period #

1 to 8

PER_NO

Timed-Override in Effect

Yes/No

OVERLAST

Timed-Override Duration

0-4

hours

OVR_HRS

Current Occupied Time

00:00-23:59

STRTTIME

Current Unoccupied Time

00:00-23:59

ENDTIME

Next Occupied Day

Mon-Sun

NXTOCDAY

Next Occupied Time

00:00-23:59

NXTOCTIM

Next Unoccupied Day

Mon-Sun

NXTUNDAY

Next Unoccupied Time

00:00-23:59

NXTUNTIM

Prev Unoccupied Day

Mon-Sun

PRVUNDAY

Prev Unoccupied Time

00:00-23:59

PRVUNTIM

TABLE

DISPLAY NAME

RANGE

UNITS

POINT NAME

WRITE STATUS

PR_LIMIT

Discharge A Temp Average

±nnn.n

°F

sdt_m_a

Discharge A Temp Rate

±nnn.n

^F

sdt_mr_a

Discharge A Gas Limit

±nnn.n

°F

sdtlim_a

Suction A Temp Average

±nnn.n

°F

sst_m_a

Discharge B Temp Average

±nnn.n

°F

sdt_m_b

Discharge B Temp Rate

±nnn.n

^F

sdt_mr_b

Discharge B Gas Limit

±nnn.n

°F

sdtlim_b

Suction B Temp Average

±nnn.n

°F

sst_m_b

Discharge C Temp Average

±nnn.n

°F

sdt_m_c

Discharge C Temp Rate

±nnn.n

^F

sdt_mr_c

Discharge C Gas Limit

±nnn.n

°F

sdtlim_c

Suction C Temp Average

±nnn.n

°F

sst_m_c

TABLE

DISPLAY NAME

RANGE

UNITS

POINT NAME

WRITE STATUS

SERMAINT

Reset Maintenance Alert
1 to 11: reset individually
12: reset all

nn

S_RESET

forcible

OPERATION WARNINGS
1 — Refrigerant Charge

Normal/Low/Disable

charge_m

2 — Water Loop Size

Normal/Low/Disable

wloop_m

GENERAL SERVICING DELAYS
3 — Cooler Pump 1 (days)

0-1000/Alert/Disable

cpump1_m

4 — Cooler Pump 2 (days)

0-1000/Alert/Disable

cpump2_m

5 — Condenser Pump 1 (days)

0-1000/Alert

hpump1_m

6 — Condenser Pump 2 (days)

0-1000/Alert

hpump2_m

7 — Water Filter (days)

0-1000/Alert/Disable

wfilte_m

8 — Cp A Oil Filter (days)

0-1000/Alert

oilfa_m

9 — Cp B Oil Filter (days)

0-1000/alert

oilfilb_m

10 — CP.C Oil Filter (days)

0-1000/Alert

oilfic_m

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