Wiring Diagrams
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IM 926-3 • ROOFPAK APPLIED SYSTEMS
Wiring Diagrams
Legend
ID
Description
Standard location
ACT3, 4
Actuator motor, economizer
Economizer section
ACT5
Actuator motor, discharge
isolation damper
Discharge section
ACT6
Actuator motor, return air
isolation damper
Return section
ACT7
Actuator motor, heat face/
bypass
Coil section, heat
ACT
Actuator motor, cool face/
Bypass
Coil section, cool
ACT10, 11
Actuator motor, exhaust
dampers
Return section
ACT12
Actuator motor, enthalpy
wheel bypass damper
Energy recovery section
AFD10
Adjustable frequency drive,
supply fan
AFD/supply fan section
AFD11
Adjustable frequency drive,
evap cond. fans
Main/RCE control box
AFD20
Adjustable frequency drive,
return/exhaust fan
AFD/ret. ex. fan section
AFD60
Adjust. freq. drive, energy
recovery wheel(s)
Energy recovery section
AS
Airflow switch, burner blower
Gas heat box
BM
Burner blower motor
Heat section, gas
C1–8
Power factor capacitors,
compressors
Condenser section
C10
Power factor capacitors,
supply fan
Supply Fan section
C11
Capacitors, Speedtrol, circuit
#1
Condenser bulkhead
C20
Power factor capacitors,
return fan
Return section
C21
Capacitors, Speedtrol, circuit
#2
Condenser bulkhead
CB10
Circuit breaker, supply fan
Main control box
CB11
Circuit breaker, evaporative
condenser fan(s)
Main/cond. control box
ID
Description
Standard location
CB20
Circuit breaker, return/exhaust
fan
Main control box
CB60
Circuit breaker, energy
recovery wheel
Main control box
CCB1, 2
Compressor control boards,
refrig. circuits
Main control box
CPC
Circuit board, main, micro
controller
Main control box
CPR
Circuit board, expansion,
micro controller
Main control box
CS1, 2
Control switches, refrig.
circuits
Main/cond. control box
DAT
Discharge air temperature
sensor
Discharge section
DFLH
Design flow left-hand sensor
Return section
DFRH
Design flow right-hand sensor
Return section
DHL
Duct hi-limit
Main control box
DS1
Disconnect, total unit or cond/
heat
Main control box
DS2
Disconnect, SAF/RAF/controls
Main control box
DS3
Disconnect, electric heat
Electric heat box
DS4
Disconnect, condenser (RCS
Only)
RCS control box
EA
Exhaust air temperature
sensor
Energy recovery section
EFT
Entering fan air temperature
sensor
Supply fan section
EHB1
Staged electric heat board
Main control box
ERB1
Energy recovery board
Main control box
ERM1
Energy recovery wheel motor
#1
Energy recovery section
ERM2
Energy recovery wheel motor
#2
Energy recovery section
F1A, B
Fuse, control circuit
transformer (T1), primary
Main control box
F1C
Fuse, control circuit
transformer (T1), secondary
Main control box
F2
Fuse, control circuit
transformer (T2), primary
Main control box
F3
Fuse, burner blower motor
Main control box
FB11, 12
Fuseblock, Speedtrol
Main/cond. control box
FB31–40
Fuseblock, electric heat (top
bank)
Electric heat box
FB41–50
Fuseblock, electric heat (bot.
bank)
Electric heat box
FB65
Fuseblock, evap. cond. sump
heater
Main/cond. control box
FD
Flame detector
Heat section, gas
FLC
Fan limit control
Heat section, gas
FP1, 2
Frost protection, refrig. circuits
Coil section, cool
FS1, 2
Freezestat control
Coil section, heat/cool
FSG
Flame safeguard
Gas heat box
GCB1
Generic condenser board,
refrig. circ.
Main control box
GFR1, 2
Ground fault relay
Main control box
GFS1, 2
Ground fault sensor
Main control box
GFR4
Ground fault relay, condenser
Condenser control box
GFS4
Ground fault sensor,
condenser
Condenser control box
GRD
Ground
All control boxes
GV1
Gas valve, pilot
Heat section, gas
GV2
Gas valve, main/safety
Heat section, gas
GV3
Gas valve, redundant/safety
Heat section, gas
GV4–8
Gas valve, main, hi turn down Heat section, gas
HL1–10
Hi-limits, pwr, elec heaters
(top bank)
Heat section, electric
200/ H200
1. Field wiring
3. Shielded wire/cable
4. Main control box
terminals
5. Auxilliary box
terminals
6. Field terminals
7. Plug connector
8. Wire/harness number
General Notes
2. Factory wiring
9. Wire nut/ID
WN7
Summary of Contents for RoofPak RCS Series
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