Absolute Boilers ABS 1500-2000-2500-3000-4000
44
Absolute ABS Series 3000-4000
Typical Field Wiring
Outdoor Reset Application
SIZE Drawn by: DWG NO REV
11x17
Craig H. 4-EPA-SOL-001 0
SCALE
NTS 4/6/2016
SHEET
12 OF 15
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
P1
P1
P2
P2
P3
P3
NL L3 1 2N
TB1
1
(-)
(+)
TT
TT
ON
ON
OFF
OFF
OD
DHW
+24V
-24v
DHW
DHW
OD
FL
FL
FL
TB2
Internal Wiring
TB2
TB1
N - N terminals
internal jumper
Terminal Block colour
identification
Colour Connection ID and Type
Grey
Yellow
Blue
Red
White
Grey
24 + power TT connection
120v Safety Circuit
Neutral 120 & 24v
Optional Sensor(s) no power
Pump Output (dry contacts)
Block Ends (no connections)
Black
120v & 24v LED fuse holder
Green/
Yellow
Ground Terminal
L
N
120v 15A
Fused
max Service
Un-fused local
disconnect/
Service switch
Pump Contact (dry) 5A
max Each contact
H
O
A
Pump A
starter
H
O
A
Pum p B
starter
H
O
A
Pump C
starter
Pump A = Boiler Pump
Pump B = CH pump
Pump C = System Pump
*All pumps configurable
Caution No don’t apply power
Sensor Wiring Only
Main 24v Power
Control/Display
Remote Automatic
Connections
120V
Safety Circuit
T2
L
N
Wiring Legend
Power wiring min 18awg
Sensor wiring shielded type
Pump Control
Dry contacts rated 5A max
120v safety contact
1
2
1
Single sensor
(Non safety)
Return, Outdoor &
Common Sensor
24v Local operator or limit
3
2
TB1
MAIN
120V Power
L2L1
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
230-460v
3 phase 60Hz.
L1
L3
L2
local disconnect/
Service switch
Remote
BMS control
(By Others)
4-20mA Input
+
-
Alarm Contact
x
x
Status -ON
Contact
x
x
Enable/
Disable
x
x
3
See sensor
wiring options
page 15
Innovative Industrial Inc.
122 Burton Street, Hamilton,
Ontario, Canada L8I 3R5