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7
INPUT/OUTPUT CHANNEL DESIGNATIONS — CONTROLS EXPANSION BOARD
INPUT/OUTPUT CHANNEL DESIGNATIONS — FIELD CONNECTION TERMINAL STRIPS
* This input is available only if accessory or optional CEM is installed.
POINT
NAME
POINT DESCRIPTION
I/O POINT
NAME
PLUG AND PIN
REFERENCE
SIGNAL PIN(S)
PORT STATE
INPUTS
SFS
Supply Fan Status switch
DI 1
J7, 1-2
2
0 = 24vac, 1= 0vac
DMD_SW1
Demand Limit - SW1
DI 2
J7, 3-4
4
0 = 24vac, 1= 0vac
DMD_SW2/DHDISCIN
Demand Limit - SW2 / Dehumidification Switch Input
DI 3
J7, 5-6
6
0 = 24vac, 1= 0vac
PRES
Pressurization
DI 4
J7, 7-8
8
0 = 24vac, 1= 0vac
EVAC
Evacuation
DI 5
J7, 9-10
10
0 = 24vac, 1= 0vac
PURG
Purge
DI 6
J7, 11-12
12
0 = 24vac, 1= 0vac
IAQIN
Indoor Air Quality Switch
DI 7
J7, 13-14
14
0 = 24vac, 1= 0vac
AN7
J6, 1-3
2 (1 = loop power)
(0-20mA input)
DMDLMTMA
4-20mA Demand Limit
AN8
J6, 4-6
5 (4 = loop power)
(0-20mA input)
EDTRESMA
4-20mA Evaporator Discharge SP Reset
AN9
J6, 7-9
8 (7 = loop power)
(0-20mA input)
OAQ
Outside Air CO
2
Sensor
AN10
J6, 10-12
11 (10 = loop power)
(0-20mA input)
SPRESET
SP Reset milliamps
AN10
J6, 10-12
11 (10 = loop power)
(0-20mA input)
CEM_10K1/CEM_4201
CEM AN1 10k temp J5,1-2/CEM AN1 4-20 ma J5,1-2
AN1
J5, 1-2
1
(thermistor, ohms)
CEM_10K2/CEM_4202
CEM AN2 10k temp J5,3-4/CEM AN2 4-20 ma J5,3-4
AN2
J5, 3-4
3
(thermistor, ohms)
CEM_10K3/CEM_4203
CEM AN3 10k temp J5,5-6/CEM AN3 4-20 ma J5,5-6
AN3
J5, 5-6
5
(thermistor, ohms)
CEM_10K4/CEM_4204
CEM AN4 10k temp J5,7-8/CEM AN4 4-20 ma J5,7-8
AN4
J5, 7-8
7
(thermistor, ohms)
AN5
J5, 9-10
9
(thermistor, ohms)
AN6
J5, 11-12
11
(thermistor, ohms)
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
12
L2 power supply
208-230/460/575/380/-3-60
13
L3 power supply
208-230/460/575/380/-3-60
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
24 VAC Power
2
Thermostat Y1
24 VAC Input
3
Thermostat Y2
24 VAC Input
4
Thermostat W1
24 VAC Input
5
Thermostat W2
24 VAC Input
6
Thermostat G
24 VAC Input
7
Thermostat C
24 VAC Common
8
Thermostat X (Alarm Contact)
24 VAC Output
TB-5 - FIELD CONNECTIONS (HY84HA101) (in Main Control Box)
TB5
1
VAV Heater Interlock Relay, Ground
Dry Contact, Max 1 Amp
2
VAV Heater Interlock Relay, 24 VAC
Dry Contact, Max 1 Amp
3
T55/T56 10 K Thermistor
Thermistor Input
4
T55/T56 10 K Thermistor
Thermistor Input
5
T56 Set Point Adjustment (100 K ohm)
Thermistor Input
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 Power
11
Fire Shutdown
24 VAC Input
12
Fire Control*
24 VAC Power
13
Fire Pressurization*
24 VAC Input
14
Fire Evacuation*
24 VAC Input
15
Fire Smoke Purge*
24 VAC Input
16
Not Used
—
TB-6 - FIELD CONNECTIONS (HY84HA101) (in Main Control Box)
TB6
1
Remote Occupied/Economizer Enable 24 VAC
24 VAC Power
2
Remote Economizer Contact
24 VAC Input
3
Remote Occupied Contact
24 VAC Input
4
Demand Limit Contacts Common*
24 VAC Power
5
Demand Limit SW1*
24 VAC Input
6
Demand Limit SW2 / Dehumidification Switch*
24 VAC Input
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*
24 VAC Power
14
IAQ Remote Switch*
24 VAC Input
15
Supply Fan Status Switch*
24 VAC Power
16
Supply Fan Status Switch*
24 VAC Input
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 48A4
Page 8: ...8 Fig 1 Component Arrangement 48 50A2 A3 A4 A5020 035 Units a48 8308 ...
Page 10: ...10 Fig 3 Power Schematic 48 50A2 A3 A4 A5020 050 Units a48 8385 ...
Page 11: ...11 Fig 4 Power Schematic 48 50A2 A3 A4 A5060 RTPF Units a48 8386 ...
Page 12: ...12 Fig 5 Power Schematic 48 50A2 A3 A4 A5060 MCHX Units a48 8387 ...
Page 13: ...13 TO NEXT PAGE Fig 6 Main Control Box Circuit 48 50A2 A3 A4 A5020 060 Units a48 8388 ...
Page 16: ...16 Fig 8 Controls Expansion Board Wiring 48 50A2 A3 A4 A5020 060 Units a48 8261 ...
Page 17: ...17 Fig 9 Gas Heat Control Circuit 2 Stage Heat 48A2 A3 A4 A5020 050 Units a48 8310 ...
Page 18: ...18 Fig 10 Gas Heat Control Circuit 2 Stage Heat 48A2 A3 A4 A5060 Units a48 8311 ...
Page 19: ...19 Fig 11 Gas Heat Control Circuit Staged Gas Heat 48A2 A3 A4 A5020 050 Units a48 8313 ...
Page 20: ...20 Fig 12 Gas Heat Control Circuit Staged Gas Heat 48A2 A3 A4 A5060 Units a48 8315 ...
Page 21: ...21 Fig 13 Electric Heat Control Circuit 50A2 A3 A4 A5020 050 Units a48 8266 ...
Page 22: ...22 Fig 14 Electric Heat Control Circuit 50A2 A3 A4 A5060 Units a48 8267 ...
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