133
Table 109 — 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 to 5 VDC
7
Indoor Air IAQ Remote Sensor/Remote Pot/Remote 4-20 mA
4-20 mA, ext. powered w/res or 0 to 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
Supply Fan Status Switch
—
16
Supply Fan Status Switch
—
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 48A2020
Page 112: ...112 Fig 20 Typical Main Control Box Wiring Schematic 48 50A Units ...
Page 113: ...113 Fig 21 Typical Auxiliary Control Box Wiring Schematic ...
Page 114: ...114 Fig 22 Typical 2 Stage Gas Heat Wiring Schematic Size 060 Units Shown ...
Page 115: ...115 Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown TO NEXT PAGE ...
Page 116: ...116 Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown cont ...
Page 117: ...117 Fig 24 Typical Electric Heat Control Schematic 50 Series Size 060 Units Shown ...
Page 118: ...118 Fig 25 Typical Controls Option Wiring Schematic SW1 SW2 OR DEHUMIDIFY SWITCH ...
Page 119: ...119 Fig 26 Typical Power Schematic 48 50A2 A3 A4 A5 060 Unit Shown ...
Page 120: ...120 Fig 27 Typical Power Schematic of Greenspeed Low Ambient Option 48 50A 060 Unit Shown ...
Page 121: ...121 Fig 28 Typical Small Chassis Component Location Size 020 035 Units ...
Page 122: ...122 Fig 29 Typical Large Chassis Component Locations Size 040 060 Units ...
Page 185: ...185 APPENDIX C VFD INFORMATION cont Fig F Internal Enclosure Fan Replacement A48 7716 ...