Technical data

94 OM 1191
Appendix
Figure 17: MD5 RoofPak — Energy Recovery Wheel, Frost Control Option
MD5 RoofPak Energy Recovery
Wheel, Frost Control Option
A+1/2.12
WHITE
B-1/2.13
BLACK
8
RJ- REMOTE KEYPAD CONNECTION
29 A+
30 B- 45
+NB
VFD10 X1A
SAF SCR 1
MD5 AI1 2
AGND 3
B
L 10V 4
A J
C AI2 5
K
AGND 6
AO1 7
J
AGND 8
24V
10
9
YELLOW
GND 11
J
DCOM 12 Jumper to establish digital ground reference
to internal 24VDC supply.
DI1 13 MB
R11
DI2 14 Run Enable
9 5
DI3 15
BUS
TERMINAL * DI4 16
DI5 17
XIB * Top pins jumpered to the Modbus "terminated" position
RO1C 17
RO1A 18
RO1B 19
P:\Marketing\TechPubs\OMs\OM 1190 VFD - MD4\00-Resources\Appendix Material\RPS ERW schematic.xlsx