Honeywell R7426B Product Data

R7426A,B,C TEMPERATURE CONTROLLER
63-2564—1 4
Fig. 2. R7426A typical wiring.
Fig. 3. R7426B typical wiring.
2515 16 17 18 19 20 21 22 23 24 26 27 28
R7426A
M17443A
32
1112345678910 12
OFF ALARM
NORMAL
ON
13 14
1
2
3
4
POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
TERMINALS 9 AND 10 ARE THE 24V
DIGITAL (FAN, PUMP) OUTPUT.
TERMINALS 13 AND 14 ARE A SERIAL
INTERFACE FOR A PANEL BUS.
SPRING RETURN ACTUATORS ONLY.
L1
L2
1 1
+
CLOSE
OUT
OPEN
OUT
IO1
CPA/SPA
UNOCCUPIED
FREEZE
PROTECTION
OCCUPIED
MAIN
TEMPERATURE
SENSOR
LIMIT OR
CASCADE
SENSOR
COMPENSATION
SENSOR
+
IO2
O1
+
IO3
HONEYWELL
SERIES 61
ACTUATOR
2515 16 17 18 19 20 21 22 23 24 26 27 28
R7426B
M21039A
32
1112345678910 12
OFF
ON
13 14
1
2
3
4
POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
TERMINALS 9 AND 10 ARE THE 24V
DIGITAL (FAN, PUMP) OUTPUT.
TERMINALS 13 AND 14 ARE A SERIAL
INTERFACE FOR A PANEL BUS.
SPRING RETURN ACTUATORS ONLY. T
ERMINAL CONNECTIONS 21, 24 AND 27 CAN
BE ELIMINATED IF L1 IS WIRED DIRECTLY
TO THE ACTUATOR.
L1
L2
1
4
+
IO1
CPA/SPA
UNOCCUPIED
FREEZE
PROTECTION
ALARM
NORMAL
OCCUPIED
MAIN
TEMPERATURE
SENSOR
LIMIT OR
CASCADE
SENSOR
COMPENSATION
SENSOR
+
IO2
O1
O2 O3
+
IO3
HONEYWELL
SERIES 61
ACTUATOR
HONEYWELL
SERIES 61
ACTUATOR
HONEYWELL
SERIES 61
ACTUATOR
CLOSE
OUT
OPEN
OUT
CLOSE
OUT
OPEN
OUT
CLOSE
OUT
OPEN
OUT

Honeywell R7426B Specifications

General

Brand	Honeywell
Model	R7426B
Category	Controller
Language	English