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115
Table 113 — Field Connection Terminal Strips
TERMINAL
BOARD
TERMINAL
NO.
DESCRIPTION
TYPE
TB-1 - POWER CONNECTION OR DISCONNECT (in Main Control Box)
TB1
11
L1 power supply
208-230/460/575/380/-3-60, 400-3-50
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
1
Neutral Power
TB-3 - CCN COMMUNICATIONS (HY84HA096) (in Main Control Box)
TB3
1
LEN +
5 VDC, logic
2
LEN C
5 VDC, logic
3
LEN –
5 VDC, logic
4
24 VAC
24 VAC
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)
TB4
1
Thermostat R
24VAC
2
Thermostat Y1
24VAC
3
Thermostat Y2
24VAC
4
Thermostat W1
24VAC
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)
TB5
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
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)
TB6
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 powered 4-20 mA
8
Demand Limit 4-20 mA
externally powered 4-20 mA
9
Remote Supply Air Setpoint 4-20 mA
externally powered 4-20 mA
10
Remote Supply Air Setpoint 4-20 mA
externally powered 4-20 mA
11
Outdoor Air IAQ 4-20 mA
externally powered 4-20 mA
12
Outdoor Air IAQ 4-20 mA
externally powered 4-20 mA
13
IAQ Remote Switch
external contact
14
IAQ Remote Switch
external contact
15
Not Used
—
16
Not Used
—
TB-7 - ELECTRIC HEAT POWER BLOCK (in Electric Heat section)
TB7
1
L1 Power Supply
208-230/460/575/380/-3-60, 400-3-50
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
Summary of Contents for WEATHERMAKER 48AJ020
Page 95: ...95 Fig 13 Typical Main Control Box Wiring Schematic A48 7787 ...
Page 96: ...96 TO NEXT PAGE Fig 14 Auxiliary Control Box Wiring Schematic A48 7294 ...
Page 98: ...98 Fig 15 Typical 2 Stage Gas Heat Wiring Schematic Size 051 and 060 Units Shown A48 6866 ...
Page 102: ...102 TO NEXT PAGE Fig 18 Typical Power Schematic Size 051 and 060 Units Shown A48 7298 ...
Page 104: ...104 Fig 19 Controls Option Wiring Schematic A48 7810 ...
Page 105: ...105 Fig 20 Small Chassis Component Location Size 020 035 Units A48 7301 ...
Page 106: ...106 Fig 21 Large Chassis Component Locations Size 036 060 Units A48 7302 ...