Honeywell T775 Series 2000 Application Manual page 36

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
T775R Replacement for W964F
Aquatrol Panel with Floating
Actuator (continued)
OPTIONAL
MOTOR
CONFIGURATION
MODULATING OUTPUT (MOD 1)
1
2
3
4
5
6
7
8
Fig. 45. T775R wiring connections for replacing a W964F Aquatrol Panel.
NOTE: The T775R Replacement for W964F Aquatrol Panel with Floating Actuator continues on the next page.
63-7147—05
T1 T2 B R W
POWER
3
OUTPUT
B
–
R
+
W
5
+
C
RELAY
4
NC
C
NO
NO
COM
7
RELAY
OTHER MOTORS SUCH AS 4-20 MA, 0-10 VDC, AND 2-10 VDC, MAY BE USED ON THE MOD 1 OUTPUT.
TO VERIFY OUTPUT, TEST OPEN CIRCUIT VOLTAGE BETWEEN THE MOD 1 TERMINALS W AND R.
- MINIMUM (DRIVE CLOSED) SIGNAL LESS THAN 0.17 VDC
- MAXIMUM (DRIVE OPEN) SIGNAL IS GREATER THAN 1.7 VDC
USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC.
INSERT 340 OHM RESISTOR (INCLUDED) ACROSS TERMINALS R AND W.
24 VAC POWER TERMINAL BLOCK.
POWER WITH 24 VAC OR 120/240 VAC AT THE APPROPRIATE TERMINAL BLOCK.
RELAY 1 CLOSES TO DRIVE DEVICE OPEN.
RELAY 2 CLOSES TO DRIVE DEVICE CLOSED.
MOTOR CAN BE AN M944B, M644, M6184, ML6984, ML6420, ETC.
NOTE: Table 45 is for wiring purposes only. A thorough
review of the existing W964F application is required
in order to determine the capability of the T775 con-
troller replacement.
HONEYWELL ELECTRONIC SERIES 90
MODUTROL MOTOR
1
2
SENSOR A (STANDARD TEMPERATURE SENSOR)
SENSOR B (OUTDOOR SENSOR)
–
C
T
+
S T
V
4
T
T
T775R
120 VAC
RELAY
3
NC
C
NO
NO
NO
NO
COM
C C
NC NC
RELAY
1 2
36
6
MOTOR
7
8
OPEN
COM
CLOSE
120/240 VAC LINE
M28014