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INSTALLATION
TB4- C1
3
01
TB4- C2
ISOLATION
VALVE
TB4- C3
3
02
CONTROL
TB4- C4
3
03
TB4- C5
PRIMARY
PUMP
3
04
CONTROL
TB4- C6
3
05
CR09
TB4- C7
3
06
CR10
TB4- C8
CR11
TB4- C9
3
07
TB4- C10
3
08
TB4- C11
DHW
PUMP
CONTROL
3
09
TB4- C12
TB4- C13
3
10
SECONDARY
PUMP #1
CONTROL
TB4- C14
3
11
TB4- C15
SECONDARY
PUMP #2
CONTROL
3
12
TB4- BMS1
BMS
START/STOP
TB4- BMS2
DISABLE
3
13
TB4- ILK1
CUSTOMER
3
14
INTERLOCK
TB4- ILK2
#1
3
15
TB4- ILK3
CUSTOMER
INTERLOCK
TB4- ILK4
#2
3
16
TB4-
T1A
3
17
HEADER
TB4-
T1
RTD
SUPPLY
TB4-
T2
3
18
TB4-
T3A
3
19
HEADER
TB4-
T3
RTD
RETURN
TB4-
T4
3
20
TB4-
T5A
3
21
OUTDOOR
TB4-
TB4- T5
AIR
RTD
TB4-
T6
3
22
TB4-
T7A
3
23
TB4-
T7
DOMESTIC HOT
WATER RTD
TB4-
T8
2-40
SIGNAL POWER
NORMALLY OPEN SIGNAL
SEE ISOLATION
VALVE CHART
FOR REFERENCE
NORMALLY CLOSED SIGNAL
SIGNAL POWER
START SIGNAL
SIGNAL POWER
GENERAL ALARM
BOILER DEMAND
BOILER STATUS
SIGNAL POWER
START SIGNAL
SIGNAL POWER
START SIGNAL
SIGNAL POWER
START SIGNAL
CONTACT CLOSURE
J
SUPPLIED BY CUSTOMER
CONTACT CLOSURE
J
SUPPLIED BY CUSTOMER
CONTACT CLOSURE
J
SUPPLIED BY CUSTOMER
+
RTD SIGNAL
+
RTD SIGNAL
-
RTD SIGNAL
+
RTD SIGNAL
+
RTD SIGNAL
-
RTD SIGNAL
+
RTD SIGNAL
+
RTD SIGNAL
-
RTD SIGNAL
+
RTD SIGNAL
+
RTD SIGNAL
-
RTD SIGNAL
ISOLATION VALVE
SUPPLY VOLTAGE
(NOTES 1,6)
EDR 750 2000 PURE CONTROL REFERENCE ONLY FIELD CONNECTIONS
3
24
3
25
3
26
3
27
3
28
3
29
SHARE COMMON
SUPPLIED VOLTAGE
3
30
3
31
3
32
3
33
3
34
3
35
CONNECTION
3
36
3
37
3
38
3
39
3
40
3
41
3
42
3
43
3
44
3
45
3
46
ISOLATION VALVE CONNECTION POINTS
TB4-
C1
TB4-
CR07
C1
C2
11
14
CR07
C3
21
22
TB4-
EDR-PURE-IOM-230608
TB4- A1
BMS
- 4-20mA SIGNAL
4-20mA
TB4- A2
SETPOINT
Δ PSI
+ 4-20mA COMMON
TB4- A3
BMS
- 0-10VDC SIGNAL
0-10VDC
TB4- A4
SETPOINT
+ 0-10VDC COMMON
TB4- A5
SYSTEM
- 4-20mA SIGNAL
Δ PSI
TB4- A6
4-20mA
+ 4-20mA COMMON
TB4- A7
SECONDARY
- 0-10VDC SIGNAL
PUMP #1
MODULATION
TB4- A8
+ 0-10VDC COMMON
0-10VDC
TB4- A9
SECONDARY
- 0-10VDC SIGNAL
PUMP #2
MODULATION
TB4- A10
+ 0-10VDC COMMON
0-10VDC
TB4- H
E-STOP
E-STOP
J
SUPPLIED BY CUSTOMER
TB4- E1
TB4- A
+
BMS
TB4- B
MODBUS
-
RTU
TB4- C
REFERENCE
TB4- AA
+
BMS
TB4- BB
-
MODBUS
TB4- CC
REFERENCE
TB4-C
TB4-B
TB4-A
BACNET
MSTP FIELD
CONNECTION
FIELD
BACNET IP
CONNECTION
TB4-V1-
TB4-V1+
C2
VALVE TYPE
POWER CLOSED, SPRING OPEN
POWER OPEN, SPRING CLOSED
POWER OPEN, POWER CLOSED
C3
© Fulton Group N.A., Inc. 2023
SECTION 2
BAC
BACNET
GND
RX-
R1
RX+
GND
-
R2
+
ETHERNET
FG
24V-
24V+
OPEN
CLOSED
C3
N/A
C2
N/A
C2
C3
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