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