Reznor MAPS - A,B,C Users Manual - Manual (Page 5)

Form O-MAPSIII&IV Cabinets A/B/C, P/N 257004R8, Page 5
2.2 Control Locations
FIGURE 1 - Showing Access (panels removed) and High and Low Voltage Control Locations
(including control options)
High Voltage Panels
Tubing
Access
Condenser Section
Heat Section
(Gas illustrated) Reheat
Compressor
Slide-out
Filter Rack
Compressors
Dampers
Evaporator Coil
Section (with slide
out drain pan)
Blower Section
with Bottom Discharge
Two Low Voltage Panels -
A&B Cabinets (top right)
or Low Voltage Panel -
C Cabinet (bottom right)
Controller
Display
(BacView)
IQ
Controller
Reheat
Board
Combustion
Air Proving
Switch
(RDCB/RDCC/
RDDB/RDDC)
Air
Proving
Switch
Power Supply
Ignition
Board
(RDCB/RDCC/
RDDB/RDDC)
Relay or
Sequencer
(RDCB/RDCC/
RDDB/RDDC)
Control
Expander
Option BHB6
Dirty Filter
Switch or
Differential
Pressure
Gauge
Low Voltage Panel - Cabinet C
Optional
Control
Block(s)
Controller
Display
(BacView)
IQ
Controller
Optional
Plugin Card
Optional
Differential
Pressure
Switch
Combustion
Air Proving
Switch
(RDCB/RDCC/
RDDB/RDDC)
Air Proving
Switch
Venter Motor
Capacitor
(RDCB/RDCC/
RDDB/RDDC)
Ignition
Board
(RDCB/RDCC/
RDDB/RDDC)
Sequencer
(RDCB/RDCC/
RDDB/RDDC)
Primary Low Voltage Layout - Cabinets A & B
Optional
Control
Expander
Optional
Reheat
Board
Optional
Control
Block(s)
Power
Supply
Secondary Low
Voltage Layout -
Cabinets A & B
Control
Transformers
Contactor,
Compressor A
Contactor,
Compressor B
Contactor, Compressor C
(below “B”, behind the transformer)
Contactor or
Starter and
Overload,
Blower Motor
Contactor, Compressor DH
Phase Monitor
or Motor Saver
Contactor,
Condenser Fan
Grounding
Lug
Distribution
Blocks
Cabinets A & B
Cabinet C
Contactor,
Compressor DH
Fuse & Fuse
Holder
Digital Controller
- MAPS IV only
Optional Transformer
Distribution
Blocks
Contactor,
Condenser Fan
Contactor, Compressor A Contactor,
Compressor B
Contactor,
Compressor C
Contactor or
Starter and
Overload,
Blower Motor
Control
Transformers
Optional
Transformer
Optional Transformer
Phase Monitor or Motor Saver
Grounding
Lug
Fuse & Fuse
Holder
Digital Controller
- MAPS IV only