6
Table 3 — Main Base Board Inputs and Outputs
* Controls discharge and liquid line isolation soleniods for 30RB120-190 brine units only.
DESCRIPTION
INPUT/OUTPUT
I/O TYPE
SCROLLING MARQUEE
POINT NAME
CONNECTION POINT
Pin
Notation
Power (24 vac supply)
—
—
—
MBB-J1, MBB-J1A,
MBB-J1B
11
24 vac
12
Ground
Local Equipment Network
—
—
—
MBB-J9A, MBB-J9B,
MBB-J9C, MBB-J9D
+
G
-
Carrier Comfort Network
®
(CCN)
—
—
—
MBB-J12
+
G
-
External Chilled
Water Pump Interlock
PMPI
Switch
INPUTS
GEN.I
LOCK
MBB-J4-CH15A
Chilled Water Flow Switch
CWFS
Switch
INPUTS
GEN.I
LOCK
MBB-J5A-CH15B
15B
Demand Limit Switch #1
Demand Limit SW1
Switch
INPUTS
GEN.I
DLS1
MBB-J4-CH13
Circuit A Discharge
Pressure Transducer
DPTA
Pressure Transducer
(0-5 VDC)
PRESSURE
PRC.A
DP.A
MBB-J7A-CH6
5V
5 vdc Ref.
S
Signal
R
Return
Circuit B Discharge
Pressure Transducer
DPTB
Pressure Transducer
(0-5 VDC)
PRESSURE
PRC.B
DP.B
MBB-J7C-CH8
5V
5 vdc Ref.
S
Signal
R
Return
Dual Chiller
LWT Thermistor
DUAL
5k Thermistor
TEMPERATURE
UNIT
CHWS
MBB-J6-CH3
Dual Set Point Input
Dual Set Point
Switch
INPUTS
GEN.I
DUAL
MBB-J4-CH12
Entering Water Thermistor
EWT
5k Thermistor
TEMPERATURE
UNIT
EWT
MBB-J6-CH2
Leaving Water Thermistor
LWT
5k Thermistor
TEMPERATURE
UNIT
LWT
MBB-J6-CH1
Outdoor Air Thermistor
OAT
5k Thermistor
TEMPERATURE
UNIT
OAT
MBB-J6-CH4
Pump #1 Interlock
Pump #2 Interlock
PMP1
PMP2
Switch
INPUTS
GEN.I
PUMP
MBB-J5C-CH18
18
C
Reverse Rotation Board
Reverse Rotation Board
Switch
INPUTS
GEN.I
ELEC
MBB-J5A-CH16B
16B
Circuit A Suction
Pressure Transducer
SPTA
Pressure Transducer
(0-5 VDC)
PRESSURE
PRC.A
SP.A
MBB-J7B-CH7
5V
5 vdc Ref.
S
Signal
R
Return
Circuit B Suction
Pressure Transducer
SPTB
Pressure Transducer
(0-5 VDC)
PRESSURE
PR.B
SP.B
MBB-J7D-CH9
5V
5 vdc Ref.
S
Signal
R
Return
Unit Status
Remote Contact-Off-Enable
Switch
INPUTS
GEN.I
ONOF
MBB-J4-CH11
Alarm Relay
ALM R
Relay
OUTPUTS
GEN.O
ALRM
MBB-J3-CH24
Alert Relay
ALT R
Relay
OUTPUTS
GEN.O
ALRT
MBB-J3-CH25
Cooler Heater
CL-HT
TRIAC
OUTPUTS
GEN.O
CO.HT
MBB-J2B-CH21
Circuit A Minimum
Load Control*
MLV-A
TRIAC
OUTPUTS
CIR.A
HGB.A
MBB-J2C-CH22
Circuit B Minimum
Load Control*
MLV-B
TRIAC
OUTPUTS
CIR.B
HGB.B
MBB-J2C-CH23
Pump #1 Starter
PMP1
TRIAC
OUTPUTS
GEN.O
PMP.1
MBB-J2A-CH19
Pump #2 Starter
PMP2
TRIAC
OUTPUTS
GEN.O
PMP.2
MBB-J2A-CH20
Ready Relay
RDY R
Relay
OUTPUTS
GEN.O
REDY
MBB-J3-CH26
Summary of Contents for AQUASNAP 30RBA315
Page 77: ...77 Fig 37 Control Schematic 30RB060 080 a30 4619...
Page 78: ...78 Fig 38 Control Schematic 30RB090 150 a30 4620...
Page 79: ...79 Fig 39 Control Schematic 30RB160 190 a30 4622...
Page 80: ...80 Fig 40 Control Schematic 30RB210 300 a30 4622...
Page 81: ...81 Fig 41 Heat Reclaim Control Schematic a30 4622...