Reznor MAPSIV RECC Parts Manuals - Manual (Page 5)

Form P-MAPS III&IV, PN 262958R5, Page 5
Electrical Compartment and Control Components
Electrical Panels Showing Access showing Locations of High and Low Voltage Control
Components - Cabinet Sizes A, B, and C, Models RCB, RDB, RDCB, RDDB, RECB, REDB, RCC,
RDC, RDCC, RDDC, RECC, and REDC
See pages 7-10 for P/N’s and illustrations.
Low Voltage Panel (top right)
High Voltage Panels
Tubing
Access
Condenser Section
Heat Section
(Gas illustrated) Reheat
Compressor
Slide-out
Filter Rack
Compressors
Dampers
Evaporator Coil
Section (slide
out drain pan)
Blower Section
with Bottom Discharge
10 - Controller
Display
(BacView)
11 - IQ
Controller
16 - Reheat
Board
18 - Combustion
Air Proving
Switch
(RDCB/RDCC/
RDDB/RDDC)
14 - Air
Proving
Switch
17 - Power Supply
21 - Control
Board w/ID Plug,
Code 22 page 8.
(RDCB/RDCC/
RDDB/RDDC)
19 -
Sequencer
(RDCB/RDCC/
RDDB/RDDC)
12 - Control
Expander
Option BHB6
38 - Differential
Pressure
Gauge or
42 - Dirty Filter
Switch
Low Voltage Panel - Cabinet C
40/41 -
Optional
Control
Block(s)
28 - Wiring
Harness
10 - Controller
Display
(BacView)
11 - IQ
Controller
13 - Optional
Plugin Card
38 - Optional
Differential
Pressure
Switch or
42 - Dirty Filter
Switch
18 - Combustion
Air Proving
Switch
(RDCB/RDCC/
RDDB/RDDC)
14 - Air Proving
Switch
20 - Venter Motor
Capacitor
(RDCB/RDCC/
RDDB/RDDC)
21 - Control
Board with ID
Plug (See Code
22, page 8.)
(RDCB/RDCC/
RDDB/RDDC)
19 - Sequencer
(RDCB/RDCC/
RDDB/RDDC)
Primary Low Voltage Layout - Cabinets A & B
12 - Optional
Control
Expander
16 - Optional
Reheat
Board
40/41 - Optional
Control
Block(s)
17 - Power
Supply
Secondary Low
Voltage Layout -
Cabinets A & B
27 - Relay
28A - Wiring
Harness
28B - Wiring
Harness
3 - Control
Transformers
5 - Contactor,
Compressor A
5 - Contactor,
Compressor B
5 - Contactor, Compressor C
(below “B”, behind the transformer)
71/72 - Contactor
or Starter and
Overload,
Blower Motor
5 - Contactor, Compressor DH
1 - Phase Monitor
or Motor Saver
5 - Contactor,
Condenser Fan
7 - Grounding
Lug
2 - Distribution
Blocks
Cabinets A & B
Cabinet C
5 - Contactor,
Compressor DH
4 - Fuse
6 - Digital Controller
- MAPS® IV only
3 - Optional Transformer
2 - Distribution
Blocks
5 - Contactor,
Condenser Fan
5 - Contactor, Compressor A 5 - Contactor,
Compressor B
5 - Contactor,
Compressor C
71/72 - Contactor
or Starter and
Overload,
Blower Motor
3 - Control
Transformers
3 - Optional
Transformer
3 - Optional Transformer
1 - Phase Monitor or Motor Saver
7 - Grounding
Lug
4 - Fuse
6 - Digital Controller
- MAPS® IV only