Reznor YDSA Unit Installation Manual - Manual (Page 35)

Form I-Y, P/N 273646R6, Page 35
Optional Equipment (alphabetically listed) ..................................Where to Look
Electric Heat Section (Option EH__) ..................................................Paragraph 9.3, page 58
plus throughout this manual
Energy Recovery, Option EW ..........................................................Paragraph 9.1.3, page 37
Gas Heat Section (Option H___ or G___) ..................................Paragraph 9.2, pages 37-58
plus throughout this manual
Inlet / Return Air Control Options, Option AR__...........................Paragraph 9.1, pages 35-36
Inlet Air Hood, Option AS16 ........................ Paragraph 6.1.1, page 20, plus Form I-OPT-WH
Power Exhaust, Option PE ..............................................................Paragraph 9.1.2, page 36
Roof Curbs, Options CJ__ ......................... Paragraph 5.3, pages 10-18, plus Form I-OPT-C
9.0 Optional
Equipment
including Heat
Sections
9.1.1 Inlet / Return Air Options
The system may be equipped with a variety of configurations and air control options
including 100% outside air, outside and return air, a variety of damper controls, and an
energy recovery wheel with exhaust.
Refer to the
FIGURE 21 shown below to identify the appearance of each inlet air con-
figuration. NOTE: Option Codes including electrical components are listed on the unit
wiring diagram. A list of all electrical option codes is shown on pages 68-69.
9.1 Inlet Air and
Exhaust Air
Options
Model
Airflow Arrangements and Damper Option Code
AR1 AR4 AR7 AR8 AR25 AR2D AR2G AR2H AR2L AR2M AR2Y
YDHA       
YDMA         
YDSA       
FIGURE 21 - Inlet Air
Configurations by AR
Option including Power
Exhaust and/or Energy
Wheel Options
Option AR1 -
100% Horizontal
Air Opening,
No Dampers
or Flanges
Return Air
Option AR4 -
100% Vertical
Air Opening,
No Dampers
or Flanges
Option AR7 -
Open Bottom Return Air
with 30% Motorized
Outside Air Damper,
and Small Intake Hood
Outside
Air
Return Air
Option AR8 -
100% Outside Air,
Horizontal
Opening, with
2-Position
Motorized OA
Damper, Spring
Return
Outside
Air
Option AR25 -
100% Outside & Return
Air Openings with
(0-10V) OA & RA
Dampers, Spring
Return
Outside
Air
Return Air
Outside
Air
Option AR2M -
100% Outside & Return/Exhaust
Air Openings, Motorized OA & RA
Dampers, Spring Return,
Energy Recovery Wheel
(ordered separately)
(Energy
Recovery
Wheel)
Return & Exhaust Air
Option AR2L -
100% Outside & Exhaust Air
Openings, Motorized OA
Damper, Spring Return,
Energy Recovery Wheel
(ordered separately)
Exhaust Air
(Energy
Recovery
Wheel)
Outside
Air
Option AR2D -
100% Outside & Exhaust Air
Openings, Motorized OA
Damper, Spring Return,
{Power Exhaust
Power Exhaust
(Option PE) was
ordered
separately.}
Exhaust Air
Outside
Air
Option PE
(Exhaust
opening is
on the side of
the cabinet.)
Option PE
(Exhaust opening
is on the side of
the cabinet.)
Outside
Air
Option AR2H
-
100% Outside & Return Air
Openings with Modulating
(0-10V) OA & RA Dampers,
Spring Return,
Power Exhaust
{Power Exhaust
(Option PE) was
ordered
separately.}
Return /
Exhaust Air
Option AR2G -
100% Outside & Return Air
Openings with Modulating
(0-10V) OA & RA Dampers,
Spring Return, Gravity
Relief Exhaust Damper
Outside Air
Return /
Exhaust Air
Gravity
Exhaust
(Gravity exhaust
is on the side of
the cabinet.)
Option AR2Y -
2 Position O/A
Damper with
Gravity Damper
Exhaust
Exhaust
Air
Outside
Air