Dampers 18, Filter rack 18, Filters 18, 20, 21, 24 – Reznor ACUB Parts Manuals User Manual
Page 18: Mixing box 18, Mixing box (outside and return air)

Form P-CAUA, P/N 271166 R2, Page 18
CODE 190 - Filter Rack and Filters for
Mixing Boxes
Component Description 150-200
250-400
Filter Channel Assy
165035
165036
Filter Bracket Support
(2)169947
Filter Assy Right Support
170195
Filter Assy Left Support
170196
Filter Support
160636
165018
Filter Support
170190
170189
Filter Support Channel
(2)
160923 (2)160924
Filter Blockoff Plate
(2)
196570 (2)106332
2” Pleated, 16” x 16”
(2)
104109
2” Pleated, 16” x 20”
(2)
104110
--
2” Permanent, 16” x 16”
(2)
104103 (6)104103
2” Permanent, 16” x 20”
(2)
101620
--
Mixing Box Cabinet Parts
Code Description
150-200
250-400
179A Top/Bottom Panel - open
170192
169952
179B Top/Bottom Panel - solid
171768
171767
179C Top/Bottom Panel with Duct Connection
170612
170616
180A Top Panel w/Duct Connection & Damper Support 170623
170625
180B Top Panel w/Damper & Damper Support
170624
170626
181
Bottom Panel with Damper
170627
170628
182A Front (end) Panel - open
169945
169943
182B Front (end) Panel - solid
171766
171765
182C Front (end) Panel with Damper
170613
170617
183
Rear Panel
169949
169948
184
Door Channel
(2)
169942
185
Door with Handle
(2)
170620
186
Door Stop
(2)
169950
187
Damper Support
(2)
173429
188
Cabinet Leg (used on boxes with a solid bottom) (2)
161155 (2)161156
189
Dampers only
15869
15870
CODE 172
Mixing Box
Configuration
Outside air duct attaches to the opening with
dampers on the bottom of the mixing box.
Return air enters through
either the opening on the
rear or the top of the mixing
box (other opening is capped).
Return air enters through either the
opening on the rear or the top of the
mixing box (other opening is capped).
Mixing Box (Outside and Return Air)
Complete mixing box packages are shipped assembled for field installation.
CODE 171
Mixing Box
Configuration
Outside air duct
attaches to the
opening with
dampers on the
rear of the mixing
box.
Return air enters through either the
opening on the top or the bottom of the
mixing box (other opening is capped).
Return air enters through either the opening
on the top or the bottomof the mixing box
(other opening is capped).
CODE 170 - Mixing
Box Configuration
Outside air duct attaches to the opening
with dampers on the top of the mixing box.
Return air enters
through either the
opening on the rear
or the bottom of the
mixing box (other
opening is capped).
Return air enters through either the opening on the
rear or the bottom of the mixing box (other opening is capped).
Code Mixing Box Configuration
Same as 150-200 250-400
170 Top Outside Air Opening with Dampers/Rear or Bottom Return Air Opening without Dampers Opt GA1 167226 167227
171 Rear Outside Air Opening with Dampers/Top or Bottom Return Air Opening without Dampers Opt GA2 167228 167229
172 Bottom Outside Air Opening with Dampers/Top or Rear Return Air Opening without Dampers Opt GA3 167230 167231
173 Bottom Outside Air Opening with Dampers/Rear Return Air Opening with Dampers
Opt GA4
171277 171278
174 Bottom Outside Air Opening with Dampers/Top Return Air Opening with Dampers
Opt GA5
171279 171280
175 Rear Outside Air Opening with Dampers/Top Return Air Opening with Dampers
Opt GA6
171281 171282
176 Rear Outside Air Opening with Dampers/Bottom Return Air Opening with Dampers
Opt GA7
171283 171284
177 Top Outside Air Opening with Dampers/Rear Return Air Opening with Dampers
Opt GA8
171285 171286
178 Top Outside Air Opening with Dampers/Bottom Return Air Opening with Dampers
Opt GA9
171287 171288
MIXING BOX
CONFIGURATIONS
See list below
(CODES 170 - 178)
for cross-reference
of Option Codes
and P/N’s by CAUA
Sizes.