Reznor SDH Parts Manuals - Manual (Page 28)

Form P-PREEVA, P/N 263985R7, Page 28
Mixing Box Damper Controls, Dampers, and Cabinet Parts
CODE 235 -
Mixed Air
Controller,
P/N 16109
CODE 236 -
Pressure Null
Switch, P/N 88052
Inside View of an Indoor Mixing Box with Top and
Rear Inlet Openings
with Dampers
CODE 237 -
Damper Arm (2)
CODE 238 - Ball
Joints (2)
Damper Motor,
CODES 230, 231
CODE 255 - Damper
Assembly
CODE 245 or 246 - Top Damper Assy
CODE 239 -
Damper Rod
(long rod con-
necting the 2
damper arms
at the two ball
joints)
CODES 230A, 231
- Damper Motor
CODE 233 - Return Air
Controller, P/N 126170
CODE 234 -
Potentiometer,
P/N 16110
CODE 241 -
Economizer
Logic Module,
P/N 220637
CODE 238 - Ball
Joint, P/N 12636
CODE 237 - Damper Arm,
P/N 66278
CODE 242 - Enthalpy
Sensor, P/N 196290
(in outside air inlet/
duct only or also in
return air duct)
CODE 243 -
Mixed Air Sensor,
P/N 196291
(in the blower cabinet)
CODE Description P/N
Items with “X” are part of Damper Control Option GE
3 4 5 6 7 8 10 11 12 13 14 15 16 21 22
230A 2-Position Damper Motor, J/C M9206-BGB-201 209351 X X X
230B Mounting Bracket for Motor CODE 230A 211418 X X X
231
3-Position or Modulating Damper Mtr, AF24-MFT95-US 159877 X X X X X X X
Modulating Damper Motor, J/C M9106AGC-2 211416 X
Modulating Damper Motor, J/C M9208GGC-3 211417 X X X
232 Manual Quadrant #9250 103502 X
233 Return Air Controller, J/C #A19AAF-120 126170 X X X
234 Potentiometer, M/H 112894FA 16110 X X X
235 Mixed Air Controller, M/H T991A-1004 16109 X X X X
236 Pressure Null Switch, Dwyer 1640-0 88052 X
237 Damper Arm 66278 X X X X X X X X X X X X
238 Ball Joint 12636 X X X X X X X X X X X X
239
Damper Rod, 14” (355mm) 95497 X X X X X X X X X X
Damper Rod, 24” (355mm) 171774 X X
240 Damper Motor Connecting Shaft 214299 X X X X X X X X X X X X X X
241 Economizer Logic Module, H/W #W7212A1009 220637 X X
242 Enthalpy Sensor, H/W #C7400A1004 196290 X X
243 Mixed Air Sensor, H/W #C7150B1004 196291 X X
244 Holder for Mixed Air Sensor 171772 X X
Location of
Controls in
the Mixing
Box Electrical
Compartment
233
234
235
241
Firestat,
Code 66,
page 10
High Ambient
Limit,
Code 67,
page 10
CODE 240 -
Damper Motor
Connecting
Shaft