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RELAY PANEL

18-HD68D1-10 23

11 - Package 1 or 2 Stage Heat Pump w/Variable Speed Blower

NOTES:

1. Remove “R” to “BK” jumper and clip all “Y” 

connections at the integrated motor control board 

(ICMC) to enable pulse width control of the variable 

speed indoor blower. Ensure clipped wires are 

capped and taped off.

1

SOV

STG2

STG1

STG1

STG3

STG2

FAN

PWM

HUM

HUM

AUX1

AUX1

AUX2

AUX2

24V

ONL

Y

24V

ONL

Y

24V

ONL

Y

O

Y1

Y2

W1
W2

W3

G

BK

HUM*
HUM*

AUX1*

AUX1*
AUX2*
AUX2*

RELAY PANEL

R

B

O

Y2

Y/Y1

W1

W2/X2

G

PACKAGE UNIT

BK

COMMUNICATING

CONTROL

D

R

B

D

R

B

*See note on page 7 regarding HUM and AUX 

terminals.
Caution: Do not run Outdoor/Remote sensor wires in 

the same bundle with HVAC wires. Also, keep away 

from high voltage wiring to avoid interference.

Diagram 13 - Package 1 or 2 Stage Heat Pump w/Variable Speed Blower

Diagram 14 - Package 1 Stage Heat Pump w/Non-Variable Speed Blower

12- Package 1 Stage Heat Pump w/Non-Variable Speed Blower

SOV

STG2

STG1

STG1

STG3

STG2

FAN

PWM

HUM

HUM

AUX1

AUX1

AUX2

AUX2

24V

ONL

Y

24V

ONL

Y

24V

ONL

Y

O

Y1

Y2

W1

W2

W3

G

BK

HUM*

HUM*

AUX1*

AUX1*

AUX2*

AUX2*

R

B

O

Y1

W1

W2/X2

G

PACKAGE UNIT

COMMUNICATING
CONTROL

D

R

B

D

R

B

*See note on page 7 regarding HUM and AUX 

terminals.
Caution: Do not run Outdoor/Remote sensor wires in 

the same bundle with HVAC wires. Also, keep away 

from high voltage wiring to avoid interference.

Summary of Contents for BAY24VRPAC52DC

Page 1: ...grounds of electrical and mechanical experience Any attempt to repair a central air conditioning product may result in personal injury and or property dam age The manufacturer or seller cannot be resp...

Page 2: ...nal Accessories Sensor Description ZZSENSAL0400AA Indoor Temperature Sensor BAYSEN01ATEMPA Outdoor Temperature Sensor 2 2 Contents in Box The following parts are included in product model BAY24VRPAC52...

Page 3: ...Y1 Stg1 Y2 Stg2 0 SO V NO RM Du al Fue l Sw itch DUA L Relay Panel Section 3 Installation Remove Cover Mark Mounting Location 1 2 Mark four holes on the wall using the base as a template A level may...

Page 4: ...s product it may be necessary to work with live electrical components Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious in...

Page 5: ...e there is ample length to reach the connectors Bitm Co HVAC System Thermos and Indoo Data Hot D R B K PWM Fan G W3 Stg3 W2 Stg2 W1 Stg1 Y1 Stg1 Y2 Stg2 0 SOV Aux2 Relay Panel Fault Comm Bit Master HV...

Page 6: ...m BK PWM Fan G W3 Stg3 W2 Stg2 W1 Stg1 Y1 Stg1 Y2 Stg2 0 SOV NORM Dual Fuel Switch DUAL A B D C Refer to the following diagrams for descriptions of each terminal This switch ships in the NORM position...

Page 7: ...ta Hot Com D R B Indoor RS RS ODT ODT 24 Vac Only 24 Vac Only 24 Vac Only Aux2 Aux1 Aux1 Hum Hum BK PWM Fan G W3 Stg3 W2 Stg2 W1 Stg1 Y1 Stg1 Y2 Stg2 0 SOV NORM Dual Fuel Switch DUAL B For convenience...

Page 8: ...compressor two stage units 5 D terminal is on TAM9 ONLY See note on page 7 regarding HUM and AUX terminals Caution Do not run Outdoor Remote sensor wires in the same bundle with HVAC wires Also keep...

Page 9: ...V ONLY O Y1 Y2 W1 W2 W3 G BK HUM HUM AUX1 AUX1 AUX2 AUX2 RELAY PANEL O R B YI YO W1 W2 W3 G INDOOR UNIT B Y OUTDOOR UNIT COMMUNICATING CONTROL D R B D R B Diagram 3 1 Stage Cooling w GAM5A or TAM4 Mod...

Page 10: ...AN PWM HUM HUM AUX1 AUX1 AUX2 AUX2 24V ONLY 24V ONLY 24V ONLY O Y1 Y2 W1 W2 W3 G BK HUM HUM AUX1 AUX1 AUX2 AUX2 RELAY PANEL R R B Y W1 W2 W3 G INDOOR UNIT B Y1 Y2 OUTDOOR UNIT COMMUNICATING CONTROL D...

Page 11: ...rflow 6 1 STAGE COOLING W GAF2 36M MODEL AIR HANDLER SOV STG2 STG1 STG1 STG3 STG2 FAN PWM HUM HUM AUX1 AUX1 AUX2 AUX2 24V ONLY 24V ONLY 24V ONLY O Y1 Y2 W1 W2 W3 G BK HUM HUM AUX1 AUX1 AUX2 AUX2 RELAY...

Page 12: ...Y PANEL R B W1 W2 G INDOOR UNIT B Y OUTDOOR UNIT COMMUNICATING CONTROL D R B D R B 1 2 NOTES 1 Cut and remove the BK jumper at the indoor unit 2 R connection at outdoor unit is required only for two c...

Page 13: ...DOOR UNIT R B Y1 Y2 OUTDOOR UNIT COMMUNICATING CONTROL D R B D R B D 1 R connection at outdoor unit only required for two compressor two stage units 1 Diagram 12 1 Stage Cooling w Gas Furnace See note...

Page 14: ...Y1 Y2 W1 W2 W3 G BK HUM HUM AUX1 AUX1 AUX2 AUX2 RELAY PANEL O R B C Y1 Ylo BK Y Y2 W1 W2 G INDOOR UNIT R B Y Y1 Y2 OUTDOOR UNIT COMMUNICATING CONTROL D R B D R B 1 3 2 13 1 OR TWO STAGE COOLING w S9V2...

Page 15: ...R B OUTDOOR UNIT COMMUNICATING CONTROL D R B D R B 14 Communicating VS Heatpump w Non Communicating S9V2 Furnace 4 pin VSPD Motor Diagram 15 Communicating VS Cooling w Non Communicating S9V2 Furnace...

Page 16: ...OOR UNIT C Y OUTDOOR UNIT COMMUNICATING CONTROL D R B D R B Diagram 18 Ameristar 1 Stage Cooling Diagram 17 Package 1 Stage Heat Cool w Non Variable Speed Blower See note on page 7 regarding HUM and A...

Page 17: ...t Pump w TAM7 or TAM9 in 24 volt mode Model Air Handler Heat Pump Applications 1 1 OR 2 STAGE HEAT PUMP W TAM7 or TAM9 in 24 volt mode MODEL AIR HANDLER NOTES 1 Remove the factory installed BK jumper...

Page 18: ...Caution Do not run Outdoor Remote sensor wires in the same bundle with HVAC wires Also keep away from high voltage wiring to avoid interference 3 1 STAGE HEAT PUMP W GAM5B MODEL AIR HANDLER NOTES 1 Y...

Page 19: ...or wires in the same bundle with HVAC wires Also keep away from high voltage wiring to avoid interference 5 1 STAGE HEAT PUMP W GAF2 S MODEL AIR HANDLER NOTES 1 Connection to X2 is not required for th...

Page 20: ...e on page 7 regarding HUM and AUX terminals Caution Do not run Outdoor Remote sensor wires in the same bundle with HVAC wires Also keep away from high voltage wiring to avoid interference 7 1 STAGE HE...

Page 21: ...mote sensor wires in the same bundle with HVAC wires Also keep away from high voltage wiring to avoid interference 9 1 STAGE HEAT PUMP W TEM4 MODEL AIR HANDLER NOTES 1 Connection to X2 is not required...

Page 22: ...rom high voltage wiring to avoid interference D 10 1 OR 2 STAGE HEAT PUMP 24 volt w TEM8 communicating variable speed AIR HANDLER NOTES 1 Remove the factory installed BK jumper at the indoor unit 2 Co...

Page 23: ...HUM and AUX terminals Caution Do not run Outdoor Remote sensor wires in the same bundle with HVAC wires Also keep away from high voltage wiring to avoid interference Diagram 13 Package 1 or 2 Stage He...

Page 24: ...AC wires Also keep away from high voltage wiring to avoid interference 2 1 OR 2 STAGE HEAT PUMP w S9V2 FURNACE 4 PIN VSPD MOTOR NOTES 1 Cut and remove the factory installed BK jumper at the indoor uni...

Page 25: ...door Remote sensor wires in the same bundle with HVAC wires Also keep away from high voltage wiring to avoid interference NOTES 1 Cut the BK jumper at the indoor unit After cutting the jumper power mu...

Page 26: ...iable speed indoor blower Ensure clipped wires are capped and taped off RELAY PANEL 1 SOV STG2 STG1 STG1 STG3 STG2 FAN PWM HUM HUM AUX1 AUX1 AUX2 AUX2 24V ONLY 24V ONLY 24V ONLY O Y1 Y2 W1 W2 W3 G BK...

Page 27: ...ire between data D and common B wires HVAC System LED is not illumi nating when Relay Panel is calling for a particular relay Control is not calling Check the System Report screen at the control to ve...

Page 28: ...er has a policy of continuous product and product data improvement and it reserves the right to change design and specifications without notice Representative only illustrations included in this docum...

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