sheet 1 of 1
DWG. B2242
Mydax Inc.
Auburn, CA.
RTD and Inputs M1002
Dec 28, 1995
100
100
100
100
100
100
100
RT12
RT11
RT10
T3 Evap
T3 Out
T2 Evap
T2 Out
T1 Evap
T1 Out
Condr.
Sup Ht.
Bypass
100
100
Gain DAC
J1-23
5VRTD
120 0.1%
100 0.1%
100K*
1.27K 0.1%
100
+
10K
0.01uf
6
2
U1
-15V
+15V
4
3
7
19 S1
S2
20
21 S3
S4
22
23 S5
S6
24
25 S7
S8
26
11 S9
S10
10
9
S11
S12
8
7
S13
S14
6
5
S15
S16
4
A0 A1
A2
A3
17
16
15
14
14
15
16
17
A3
A2
A1
A0
4
S16
S15
5
6
S14
S13
7
8
S12
S11
9
10 S10
S9
11
26 S8
S7
25
24 S6
S5
23
22 S4
S3
21
20 S2
S1
19
U5
DG506A
U6
DG506A
18
1
27
+15V
+5V
-15V
28
28
-15V
+5V
+15V
27
1
18
100K
100K
100K
100K
100K
100K
100K
100K
RA J1-3
RB J1-4
RC J1-1
RD J1-2
U3
+
+
U2
10K
0.001
uf
1.00K
0.1%
9.09K 0.1%
7
6
5
4
6
7
2
3
4
LT1001
TL032
-15V
-15V
+15V
5.12V
J1-8
+
U2
+15V
5VRTD
10K
10K
1
2
3
8
LT1001
RTD's
0.1uf
+
Bridge
24VAC
24VAC
Ext 4
Stop
Start
Com.
+
U8
U8
U7
PS2501-2
PS2501-2
to
Ana. En.
-28-
to
Stop
-26-
to
Start
-27-
2K
2K
2K
10K
47uf
1N914
6
5
4
3
8
7
1
2
1
2
4
3
7
5
8
6
LT1001
RTD Out
J1-24
0.001
uf
2
3
4
7
6
+15V
U4
+
-15V
12.1K 0.1%
10.0K 0.1%
A
B
C
1. Resistor with *
are 1/4W 1% metal film
PS2501-2
40.2K 0.1%
50.0k 0.1%
100k 0.1%
"Gain"
"Zero"
0.1uf
0.1uf
0.1uf
0.1uf
0.1uf
0.1uf
0.1uf
0.1uf
0.1uf
0.1uf
0.1uf
U3
+
