Reznor MAPSIV RECC Parts Manuals - Manual (Page 6)

Form P-MAPS III&IV, PN 262958R5, Page 6
High Voltage Panel
(behind low voltage
panel; post is removed
for less restricted view)
Low Voltage Panel
(hinged; swings out
to access rear side and
high voltage panel behind)
Heat Section
Control Panel
(See bottom
of page.)
High Voltage Panel
3 - Control
Transformer
2 - Distribution
Blocks
2 - Distribution
Blocks
7 - Grounding
Lug
Terminal Blocks
1 - Phase Loss
Monitor 5 - Contactor (Condenser
Fan B & C)
5 - Contactor (Condenser Fan A & D)
5 - Contactor (Reheat Compressor E)
5 - Contactor (Compressor D)
5 - Contactor (Compressor C)
5 - Contactor (Compressor B)
5 - Contactor (Compressor A)
72 - Motor Starter or
73 - Line Reactor (See page 11.)
Rear
View
Side V
iew
Front
View
3 - 75VA
transformers
42 - Optional Dirty
Filter Switch or
38 - Pressure Gauge
11 - Digital
Controller
16 - Interface
Board
(Opt AUR1)
10 -
Controller
Display
15 - Relays and
Bases (Optional)
Low Voltage Panel
28 -
Wiring
Harness
Control
Compartment
Access Door
Heat Controls Access
Door (See illustrations
on btm of page.)
Filter Access Coil Access Fan and Motor
Access
Condenser Section
A
B
C
D
Electrical Panels showing Locations of Components - Cabinet Size D, Models RCB, RDB, RDCB,
and RDDB (See pages 7-10 for P/N’s and illustrations.)
Locations of Controls in Gas Heat Section of MAPS ® III Cabinet
Size D (See illustration above.) - Models RDCB and RDDB
Electrical Compartment and Control Components (cont’d)
20 - Venter Motor
Capacitor 3 - 75VA Transformer
3 - Control
Transformer
High
Voltage
Terminal
Blocks
MAPS®III D Cabinet with Heat Section Sizes 500, 600, 700, 800 with
Option AG70, Modulating Gas Control
3 - KVA
Transformer
Ignition
Board
(contact
factory for
replacement)
Ignition
Board
(contact
factory for
replacement)
Low
Voltage
Terminal
Blocks
14 - Air
Proving
Switch
19 - Heat Sequencer
Control Module
15 - Heat
Permissive
Relay and
Base
4 - Fuse
18 - Combustion Air Switch
3 - 75VA
Transformers
3 - Control
Transformer
High
Voltage
Terminal
Blocks
MAPS®III D Cabinet with Two Heat Sections, Sizes 1000, 1200,
1400, 1600 with Option AG70, Modulating Gas Control
23 -
Time
Delay
Relay
14 - Air
Proving
Switch
15 - Heat
Permissive
Relay and
Base
Fuse
Holder
Low
Voltage
Terminal
Blocks
3 - KVA
Transformer
19 - Heat
Sequencer
Control
Module
20 - Venter
Motor
Capacitor
5 - Venter
Contactor
23 -
Ignition
Board
18 - Combustion Air Switch 18 - Combustion Air Switch
24 - Limit
Device
Terminal Blocks
18 - Pressure Switch
(Combustion Air)
3 - Transformer 75VA
23 - Ignition Board
Gas Heat
Section
Electrical Box -
Applies to All Sizes
(furnace with modulating burner)
Gas Heat Section Electrical Box -
Applies only to Sizes 1000, 1200,
1400, 1600 with two furnace
sections (in non-modulating
heat section).
Terminal
Blocks
14 - Pressure
Switch
(Airflow)
18 - Pressure Switch
(Combustion Air)
27 - PAM Relay
Venter Motor Capacitor Bracket, P/N 208921
(20 - Venter Motor Capacitor)
3 - Transformer 30VA
Transformer
75VA
21 - Control Board
with ID Plug (See
CODE 22 on page 8.)
Fuse Holder
P/N 60241
26 - Thermal Circuit
Breaker
Applies to all gas heat section controls on D Cabinet units
manufactured beginning 8/2011 (NOTE: May also apply to units
manufactured as specials prior to 8/11.)
Applies to gas heat section controls
on MAPS ® D cabinet manufactured
prior to 8/11.