Carrier WEATHERMAKER 48/50AJ Operation And Service Manual page 125

TERMINAL TERMINAL
BOARD NO.
TB-1 - POWER CONNECTION OR DISCONNECT (in Main Control Box)
11
TB1 12
13
TB-2 - GROUND (in Main Control Box)
TB2 1
TB-3 - CCN COMMUNICATIONS (HY84HA096) (in Main Control Box)
1
2
3
4
TB3
5
6
7
8
TB-4 - THEROMSTAT CONNECTIONS (HY84HA090) (in Main Control Box)
1
2
3
4
TB4
5
6
7
8
TB-5 - FIELD CONNECTIONS (HY84HA101) (in Main Control Box)
1
2
3
4
5
6
7
8
TB5
9
10
11
12
13
14
15
16
TB-6 - FIELD CONNECTIONS (HY84HA101) (in Main Control Box)
1
2
3
4
5
6
7
8
TB6
9
10
11
12
13
14
15
16
TB-7 - ELECTRIC HEAT POWER BLOCK (in Electric Heat section)
1
TB7 2
3
Table 122 — Field Connection Terminal Strips
DESCRIPTION
L1 power supply
L2 power supply
L3 power supply
Neutral Power
LEN +
LEN C
LEN –
24 VAC
CCN +
CCN c
CCN –
Grd
Thermostat R
Thermostat Y1
Thermostat Y2
Thermostat W1
Thermostat W2
Thermostat G
Thermostat C
Thermostat X
VAV Heater Interlock Relay, Ground
VAV Heater Interlock Relay, 24 VAC
T56 Sensor
T56/T58 Ground
T58 Setpoint
Indoor Air IAQ Remote Sensor/Remote Pot/Remote 4-20 mA
Indoor Air IAQ Remote Sensor/Remote Pot/Remote 4-20 mA
Smoke Detector Remote Alarm
Smoke Detector Remote Alarm
Fire Shutdown
Fire Shutdown
Fire Control Common
Fire Pressurization
Fire Evacuation
Fire Smoke Purge
Not Used
Remote Occupied/Economizer Enable 24 VAC
Remote Economizer Contact
Remote Occupied Contact
Demand Limit Contacts Common
Demand Limit Switch 1
Demand Limit Switch 2/Dehumidify Switch Input
Demand Limit 4-20 mA
Demand Limit 4-20 mA
Remote Supply Air Setpoint 4-20 mA
Remote Supply Air Setpoint 4-20 mA
Outdoor Air IAQ 4-20 mA
Outdoor Air IAQ 4-20 mA
IAQ Remote Switch
IAQ Remote Switch
Supply Fan Status Switch
Supply Fan Status Switch
L1 Power Supply
L2 Power Supply
L3 Power Supply
208-230/460/575/380/-3-60, 400-3-50
208-230/460/575/380/-3-60, 400-3-50
208-230/460/575/380/-3-60, 400-3-50
24 VAC
5 VDC, logic
5 VDC, logic
5 VDC, logic
ground
24VAC
24VAC
24VAC
24VAC
24VAC
24VAC
24VAC
24VAC
external 24 VDC relay
4-20 mA, ext. powered w/res or 0-5 VDC
4-20 mA, ext. powered w/res or 0-5 VDC
external contacts
external contacts
24 VAC external
external contact
external contact
external contact
external contact
external contact
—
external 24 VAC contact
external 24 VAC contact
external 24 VAC contact
external 24 VAC contact
external 24 VAC contact
external 24 VAC contact
externally powered 4-20 mA
externally powered 4-20 mA
externally powered 4-20 mA
externally powered 4-20 mA
external contact
external contact
—
—
208-230/460/575/380/-3-60, 400-3-50
208-230/460/575/380/-3-60, 400-3-50
208-230/460/575/380/-3-60, 400-3-50
125
TYPE
5 VDC, logic
5 VDC, logic
5 VDC, logic
external 24 VDC relay
5VDC
5VDC
5VDC
externally powered 4-20 mA
externally powered 4-20 mA