Submittal Sheet

305V
_
C - 09/19 2 of 2 © 2019 tekmar Control Systems Ltd.
Tel: [phone] • F: [phone]
tekmarControls.com
All specications are subject to change without notice.
Sample Mechanical diagram
Sample Electrical diagram
This Submittal is not intended to provide full installation instructions and safety information. In order to avoid property
damage or injury, please refer to the complete installation manual and product safety information provided with the product.
Example Application
A1 = DHW Tank Aquastat
B1 = Boiler
BP = Boiler Pump
P1 = Zone 1 DHW Tank Pump
PS = System Pump
T1 = WiFi Thermostat 561 or 562
T2 = Thermostat 518 or 519
LN
Power
LN
System
Pump
LN
B1
BP
A1
P1
PS
305V
V1 V2 V3 V4
+TT -
Away C R Rh W Away C R Rh W R W R W
MOD
XX
tN4
T1 T2 T3 T4 T5 T6
A
DHW CRW
BOILER T-STAT 1T-STAT 2T-STAT 3
-
+
tN4
A
CRW
tN4
A
CRW
T-STAT 4
tN4
A
CRW
T-STAT 5
tN4
A
CRW
T-STAT 6 EXPANSION
tN4
A
CRW
tN4
A
BCDE
FUSE 2 FUSE 1
END
SWITCH
MOTOR
POWER
PRIORITYSYS PUMP
ROOM
RESPONSE
ZONE 1
70 80
9060
50 100
MOD MAX %
END
SWITCH
MOTOR
ZONE 2
END
SWITCH
MOTOR
ZONE 3
END
SWITCH
MOTOR
ZONE 4
END
SWITCH
MOTOR
ZONE 5
END
SWITCH
MOTOR
ZONE 6
MASTER MEMBER
OFF
OFF
OFF
T-STAT 1 PRIORITY : ON
EXERCISING : ON
POST PURGE : ON
MOD BOILER : 0-10V
SYSTEM PUMP DURING PRIORITY: ON
SYSTEM PUMP WITH MEMBER CALL: ON
ZONE VALVE END SWITCHES: ON
RESERVED
120 VAC
POWER PUMP PUMP 1
SYSTEM PRIORITY
LNLNLN
OFF
OFF
OFF
4-20 mA
1 23 1 23
B1
A1
T1 T2 T3
T4
P1
L N
PS
V1
V2
V3 V4
DIP Switches
Master
T-stat 1 Priority = On
Exercising = On
Post Purge = On
Mod Boiler = depends on boiler
System Pump During Priority = Off
System Pump With Member Call = Off
Zone Valve End Switches = On
Notice
End switch jumper required for
Zone 1 when using a pump and
Zone Valve End Switch DIP = On
Included resistor must be
installed when using power
stealing thermostats
(e.g. Thermostat T3)
T3 = Generic Digital Power-Stealing Thermostat
T4 = Generic Bi-Metallic Strip Thermostat
V1= 2-Wire Zone Valve
V2, V3 = 3-Wire Zone Valve with End Switch
V4 = 4-Wire Zone Valve with End Switch
Legend