Submittal Sheet

Below is a sample application drawing for this product. This application may include other tekmar products that are required
for installation. More sample applications can be found at www.tekmarControls.com.
Sample Application Drawing
Sample
Mechanical
Product design, software and literature are Copyright ©2014 by
tekmar Control Systems Ltd., A Watts Water Technologies Company
2 of 2
All specifications are subject to change without notice.
Printed in Canada. 284_C - 08/14.
tekmar Control Systems Ltd., A Watts Water Technologies Company. Head Offi ce: 5100 Silver Star Road,
Vernon, B.C. Canada V1B 3K4, 250-545-7749, Fax. [phone] Web Site: www.tekmarControls.com
Sample
Electrical
Modbus
®
/ BACnet
®
IP
483
tekmarNet
®
4
S3
P1
P8
P7
S2
S8S7S6
P3 P4 P5 P6
S5
S9
S4
F1
284
S1
C.A. Damper
BAS
C.A. Proof
L
N
L
N
L
N
L
N
L
N
L
N
L
N
C.A. Damper
B
G
A
Optional Modbus
®
BAS Connection
C
tN4
Optional tN4 Gateway 483
Boiler 1 Pump (P3)
Boiler 2 Pump (P4)
Boiler 3 Pump (P5)
Boiler 4 Pump (P6)
Indirect DHW Pump (P7)
115 V (ac) Power Supply
Mod
Stage 1
T
T
+
-
Modulating
Boiler
Modulating
Boiler
One Stage
On/Off Boiler
One Stage
On/Off Boiler
Primary Pump 1 (P1)
Mod
Stage 1
T
T
+
-
Stage 1
T
T
Stage 1
T
T
Boiler Supply Sensor (S2)
Boiler Return Sensor (S3)
DHW Sensor (S4)
Boiler 1 Outlet Sensor (S6)
Boiler 2 Outlet Sensor (S7)
Boiler 3 Outlet Sensor (S8)
Boiler 4 Outlet Sensor (S9)
Boiler Inlet Sensor (S5)
Outdoor
Sensor (S1)
C.A. Proof
Setpoint
Call
Permanent
Call
Primary
Pump P1
Primary
Pump P2
47
48
49
50
Boiler 1
Pump/Valve
Boiler 2
Pump/Valve
75
76
77
78
Boiler 3
Pump/Valve
Boiler 4
Pump/Valve
Power
In
79
80
81
82
IDHW
Pump
85
86
53
54
Stage 1
Boiler 1
51
52
N
83
84
59
60
Stage 1
Boiler 2
57
58
65
66
Stage 1
Boiler 3
63
64
71
72
Stage 1
Boiler 4
69
70
L
Mod
+
-
Mod
+
-
Mod
+
-
Mod
+
-
R
C
Heat
Call
20V dc Out
+ EMS In
Out
Boil Sup
Boil Ret
DHW
Com
– Com
+ mA In
3
4
5
6
7
8
Auxiliary
43
44
RS485
+B
A
–
40
41
9
10
11
12
16
17
18
19
20
21
22
Vent
Boil In
Com
Boil 1 Out
Boil 2 Out
Boil 3 Out
Boil 4 Out
Com
23
24
25
26
27
Gnd
42
28
29
30
Com
31
Bus b
Boiler
tN4
C0
32
33
C.A. Proof
Call
IDHW
Call
Setpoint
Call
Flow
Sensor (F1)
RJ45
Optional BACnet
®
IP Connection