6
IOM-T-294EXP
2214
© 2022 tekmar
This section provides a wiring schematic for the control .
Wiring Schematic
• Before wiring, ensure all power is turned off and take all
necessary precautions .
• Strip all wiring to a length of
3
⁄
8
in . or 10 mm for all terminals .
• A circuit breaker or power disconnect that provides power
to the control should be located nearby & clearly labeled .
• Refer to the current and voltage ratings at the back of this
brochure before connecting devices to this control .
• Only qualified personnel should install or service the control .
CAN ICES-3 (A)/NMB-3(A)
Class 2 Circuits
Boiler Mod:
Class 2 Circuits
Input Power:
115 V (ac) ±10%, 60 Hz, 6 W
Relays:
230 V (ac), 5 A, 1/3 hp
Operating Temperature:
32°F to 122°F (0°C to 50°C)
Use Copper Conductors Only
H2062B
7
6
Boiler 6
5
4
Boiler 5
Mod
9
8
Boiler 7
11
10
Boiler 8
13
12
Boiler 5
Enable
15
14
Boiler 6
Enable
17
16
Boiler 7
Enable
19
18
Boiler 8
Enable
21
20
Boiler 5
Pump/Vlv
23
22
Boiler 6
Pump/Vlv
25
24
Boiler 7
Pump/Vlv
27
26
Boiler 8
Pump/Vlv
29
28
Power
N
To Reduce the Risk of Electric
Shock - Do not connect to a
circuit operating at more than
150 volts to ground.
Pour réduire les risques
d'électrocution choc - ne pas
raccorder à un circuit
fonctionnant à plus de 150 V à
la terre.
L
2 3
1
+
Gnd
Expansion
Expansion 5 to 8
Set switches: 1 to Off, 2 to Off
+
Mod
+
Mod
+
Mod
+
Smart Boiler Expansion 294EXP
For product literature:
Pour la documentation
du produit:
Watts.com/tekmar
tektra 1152-01
Designed and assembled
in Canada
DANGER
5
6
7
8
5
6
7
8
Boiler
Pump/Valve
Boiler Expansion 5 to 8
N
G
L
L N
G
L N
G
L N
G
L N
G
+ -
+ -
+ -
+ -
T T
T T
T T
T T
-
+ Gnd
