Air-Vac DRS27, User Manual, Page: 379 / 384

1 2 3 4 5 6
A
B
C
D
6 5 4 3 2 1
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C
B
A
Title
Number Revision Size
B
Date: 13-Mar-2015 Sheet of
File: L:\Check\Jeff\schematics-copies\0027.21.900-G.ddb Drawn By:
NC
NO
C
ALM
N
L
NO -
C + OP2
NO -
C + OP1
TC -
TC +
PTA
COM
TX2
TX1
GN
BK
R
R FRONT PREHEAT TEMPERATURE CONTROLLER
NC
NO
C
ALM
N
L
NO -
C + OP2
NO -
C + OP1
TC -
TC +
PTA
COM
TX2
TX1
GN
BK
R
R MIDDLE PREHEAT TEMPERATURE CONTROLLER
GN
BK
R
R LH1 TC-
R LH1 TC+
R
Y
R LH2 TC-
R LH2 TC+
R
Y
R LH3 TC-
R LH3 TC+
R
Y
371
372
366
367
361
362
369 / 374
370 / 375
364 / 369
365 / 370
356
355
354
359
358
357
Temp Controller 1 N
Temp Controller 1 L
1
2
3
4
5
6
7
8
R LH1 NO-
R LH1 C+
R LH2 NO-
R LH2 C+
R LH3 NO-
R LH3 C+
1
2
-
+
1
2
-
+
1
2
-
+
1
2
3 1
2
3
1
2
3 1
2
3
1
2
3 1
2
3
371
372
366
367
382
383
384
10C3
7B1
10B3
10B3
10A3
10A3
10C4
10C4
10C4
10C4
10B4
10B4
3D5
3D5
485 GND A2
RDA- A2
RDB+ A2
GN
BK
R
3D1
3D1
3D1
Joe Koutrakos
AIR-VAC Engineering Inc
30 Progress Ave, Seymour CT. 06483
WWW.air-vac-eng.com
11
Elect, Schem, DRS27 6 Zone
15
1
2
3
1
2
3
4
5
6
7
8
GN
BK
R
S HTR TC-
S HTR TC+
R
Y
1
2
-
+
1
2
3 1
2
3
387
10B4
10B4
415
416
419
418
10C3
10C3
S HTR C+
S HTR NO-
1
2
3
GN
BK
R
485 GND A
RDA- A
RDB+ A 9B2 / 9D2
9B2 / 9D2
9B2 / 9D2
353
352
351
G
0027.21 .900
NC
NO
C
ALM
N
L
NO -
C + OP2
NO -
C + OP1
TC -
TC +
PTA
COM
TX2
TX1
R BACK PREHEAT TEMPERATURE CONTROLLER
364 / 418
365 / 419
353
352
351
361
362
NC
NO
C
ALM
N
L
NO -
C + OP2
NO -
C + OP1
TC -
TC +
PTA
COM
TX2
TX1
AUXILARY HEATER TEMPERATURE CONTROLLER
374
375
414
413
412
415
416
OPTIONAL