WattMaster VAV - Manual (Page 57)

Component & System Wiring 57
Chip Locations
C2
GND
R7
MADE IN U.S.A.
YS101693 REV 3
CX10
CR2
RN1
C11
SERIAL NUMBER
Y2
C10
C12
WDOG
CX7 R12 R1
1
U7
JO3
R13
U6
C5
U8
R9 CX8
R16 R15 R14
COMP LOOP
D1
MODEM
D2 D3
CX9
U9
U10
R10
C4
SHLD
C1
L1
V AR1 CR1
J1
R3 R4
GND COMM
J01
TERM RS-485
TB1
24VAC R1
TB2
R
COMPUTER P
DCE PORT
P
U1
CX5 R5
CX1
R2
P1
CX2
U2
R6
C3
P2
T
MODEL
GND
TP1
CX11
U11
JO4
C7
SINGLE
MULTI
C8
C9
C6
Y1
MODEM P
DTE PORT
FILENAME
DATE: B. CREWS
DESCRIPTION: PAGE
DRAWN BY:
JOB NAME
VAV-DRCHPREP.CDR
MG392
System Manager
MG331-21-VAV
WMVAV Controller
Comm Driver Chip
(U1) Pin 1
Comm Driver Chip
(U10) Pin 1
Comm Driver Chip
(U5) Pin 1
RAM Chip
(U2) Pin 1 EPROM Chip
(U3) Pin 1
PAL Chip
(U4) Pin 1
EPROM Chip
(U11) Pin 1
Single/Multi
Loop Jumper
(J04)
EPROM Chip
(U3) Pin 1
OE361-04 Commlink II
MG320 - VAV
VAVBOX Controller
Comm Driver Chip
(U13) Pin 1
RAM Chip
(U12) Pin 1
EPROM Chip
(U11) Pin 1
PAL Chip
(U7) Pin 1
PAL Chip
(U1) Pin 1
Warning!
Use Extreme Caution When Removing Any Chips
To Avoid Damaging Any Circuit Board Traces Which
Are Under The Chip.
Be Sure That Any Small Screwdriver Or Other
Sharp Object Used To Remove The Chip Does Not
Come Into Contact With The Printed Circuit Board
Surface.
A Small Screwdriver May Be Inserted Between The
Chip And The Socket To Aid In Removal Of The Chip.
Be Very Careful Not To Insert The Screwdriver Under
The Socket!! Damage To The Board Is Not Covered
By Warranty.
RS-485P COMM
R14 U14
CX1
1
EPROM
CX12
U12
U11
RAM
CX7
PA
L
U8
CX8
RN1
C2
C1
EWDOG
U7
X1
X2
C3
U3
CX5
R3
YS101830PREV.2 MODULAR
SYSTEM MANAGER
R4
R1
U1
U6
U9
CX13 U13
VAR1
C7
P2
SC1
P1 COMM
OUT
D6 COMM
IN
R11
R12
CX9
C8
CX14
C6
R13
C4
L1
D5
CX10
C5 U10
D4
R10
CX3
CX4
CX6
R9 D3
U4
PJ1
U2
CX2
R2 R3
U3
D1
D2
R5
R6
DSPY1
P3
R7
RV1
1 of 3
Chip Replacement Information
WattMaster VAV Components
RL
Y1
D1
D2
D3
D4
D5
CX3
RAM EPROM
C3
C2
U6
PHILIPS
CX6
C1
CX2 U2
U3
PAL
CX4
U4
TUC-5R PLUS
YS101816 REV. 2
V1
V2
V3
V5
V4
TB2
4
NETWORK
TOKEN
16
32
8
SW1
ADD
2
1
ADDRESS
V6
POWER
GND
24VAC
L1
D16
R6
C9
SC1
R1
1
U1
1
MC34064A
D13
C16
9936
VR2
7824CT
M
TB4
R27
C13
R10
VR1
C19 C18
NE5090NPB3192 0PS
U8
CX8 U9
X1
R7 D10
R13
D12
C7 CX10
U10
CX12
U12
U14
CX14
PJ3 PJ2
PJ1
EXPANSION
PRESSURE
SENSOR
T'STAT
C17 D15
R26
C20 R25
R24
R22
U15
CX13
U13
C15
R19
R15
C14
D18 D17
PU1
PU2
PU3
PU4
PU5
PU7
D6
D7
D8
D9
D11
D14
C12
C10 0-5 VDC 0-1 VDC JP1
C1
1
X2
GND
TB3
INPUTS
GND
GND
+VDC
AIN1
AIN2
AIN3
AIN4
AIN5
AOUT1
AOUT2
AIN7
RN4
1
RN5
RS-485
CX5
U5
R
TB1
SHLD
T
COMM
COMM
RN3
1
RN1
U1
CX1
1
LD6
COMM
PWR
LD7
LED1
LED2
LD9
LD8
R1
U7
RV1
VREF ADJ
R28
+VREF
5.11V
TEST POINT
EWDOG
D19
RN2
1
COM1-3
COM4-5
R5
R4
R3
R2
R1
RL
Y2
RL
Y3
RL
Y4
RL
Y5
CX15
(1 MEG)
HH
P1
C21
05/12/04
CX6
SW1
U10
75176
EXPANSION
Q3 Q2
D3
VR1 7824
GND 24V
A C
M 7824C T
MC340
9936
R17
R16
U7
C7
R15
POWER R21
REV. 2
YS101562
D4 R26
LD3
L1
SCAN
REC
R12
C6
R11
TOKEN NET
LD2
32
R14
R13
R100
LD1
C5
D1
K1
V2
G5L-1
14P-PS
24VDC CONT
ACT
:
UL
/CSA
5A250V
AC
K2
D2
ACTUATOR
G5L-1
14P-PS
24VDC CONT
ACT
:
UL
/CSA
5A250V
AC
R10
R9
PJ2 V1 C4
74HC573N B31920PS
9936
MS6264L-70PC
EPROM
VREF
ADJ
R23
C10
PCB80C552-5-16WP 500650=1/3 DFD9940SM
PHILIPS
EWDOG
COMM
D7
CX10
R25
R28
T'ST
AT
U11 C15
R20 C11 R24
8 16 2 4
ADDRESS
ADD
1
U6
93C46
U5
R19
PHILIPS
U9
CX9
R32 D5
C14
P. U .
R22
C13
LMC662
R27
D5
RAM
C9
C8
80C55 2
CX5 PJ1 C3 R8
R7 R5 R6
R4 C2 C1
X1
74HC259 B31920PS
U2
R1 R2 R3
CX2
Q1
16L8
32K
R34
FLOW
U8
1 RN1
CX8
U4
R18
CX4
8K RAM
U3
CX3
U1
CX1