Carrier AquaEdge 23XRV - Page 50

50
NOTE: For PIC6 all field wiring inputs and outputs are to be connected to 7TB or Carrier-provided pilot relays as per Fig 58.
FIELD TERMINALS FOR 7TB, FIG. 56
No. DESCRIPTION
POINT
NAME
TYPE NOTES
7TB
3
Spare Safety SAFETY 24 VAC
Optional input; open/close (dry contact). Normally closed; when open chiller cannot be
started.
4
7
Auto Demand Limit Input AUTO_DEM 4-20 mA Optional input
8
9
Remote Contact Input REM_CON 24 VAC Optional input; Open/Close (dry contact); normally open (closed indicate start chiller signal)
10
11
Emergency Stop Input E-STOP 24 VAC Optional Input; Open/Close (dry contact); normally open (closed indicate emergency stop)
12
13
Evaporator water flow switch EVAP_FS 24 VAC Optional Input; open/closed switch
14
15
Condenser water flow switch COND_FS 24 VAC Optional Input; open/closed switch
16
17
Remote Reset Sensor R_RESET 5 kOhm Optional input
18
19
Refrigerant Leak Sensor REF_LEAK 4-20 mA Optional; If used set dip switch to On for IOB1 channel 9
20
21
Auto Water Temp Reset AUTO_RES 4-20 mA Optional; If used set dip switch to On for IOB1 channel 10
22
24V
Chiller Alert Relay ALE 24 VAC Optional Output; Normally open dry contact. Pilot relay required.
27
24V
Chiller Alarm Relay ALM 24 VAC Optional output; 24 VAC indicates alarm condition. Pilot relay required
29
24V
Chiller Run Status RUN_STAT 24 VAC Optional Output; Normally open dry contact. Pilot relay required.
31
34
Head Pressure Output HDPV_OUT 4-20 mA Optional Output
35
36
Evap Entering Water Pressure EVAP_EWP 5 VDC Optional Input37
64
38
Evap Leaving Water Pressure EVAP_LWP 5 VDC Optional Input39
65
40
Condenser Entering Water Pressure COND_EWP 5 VDC Optional Input41
66
42
Condenser Leaving Water Pressure COND_LWP 5 VDC Optional Input43
67
44
Evaporator Water Flow Measurement EVAP_FL 4-20 mA Optional Input; If used set dip switch to On for IOB2 channel 9
45
46
Condenser Water Flow Measurement COND_FL 4-20 mA Optional Input; If used set dip switch to On for IOB2 channel 9
47
56
Head Pressure Output 2 HDPV_OUT2 4-20 mA Optional Output
57
58
Common Return Temperature CR_TEMP (SPARE) 5 kOhm Optional input
59
60
Common Supply Temperature CS_TEMP (SPARE) 5 kOhm Optional input
61