Application Brochure
3 of 12 © 2009 A 664 - 12/09
Concept Drawing
This is only a concept drawing, not an engineered drawing. It is not intended to
describe a complete system, nor any particular system. It is up to the system
designer to determine the necessary components for and configuration of the
particular system being designed, including additional equipment, isolation
relays (for loads greater than the control’s specified output ratings), and any
safety devices which in the judgement of the designer are appropriate, in order
to properly size, configure and design that system and to ensure compliance
with building and safety code requirements.
tekmar Control Systems Ltd., Canada; tekmar Control Systems, Inc., U.S.A.; www.tekmarcontrols.com
Head Office: 4611-23rd Street, Vernon, B.C. Canada, V1T 4K7; (250) 545-7749 Fax (250) 545-0650
- Application
Electrical
A 664-1
12/09
120 V (ac)
L
P1
N
P2 P3D1
S2S3
S4
S5
red
black
blue
yellow
brown
Cable to
Snow/Ice
Sensor
S1
Boiler
Opn/
Var
Pwr
Mix
Cls
4-20 mA
+-
Red Blu Yel
Com tN2 Com Boil Out
Blk/
Com
Slab
2
Mix
Ret
Mix
Sup
Zn
1
Zn
2
Sys
P1
Com
Zn
Brn/
Slab1
Melt/Idle
Demand
Stage
1
Stage
2
Power
LN
12
345 6789101112131415161718 192021222324252627 29 30
5A5A
2.4A
5A 5A 5A
Do not apply power
664
1 kΩ max
28
D1 = External Melt / Idle Demand
P1 = Boiler Pump
P2 = Variable Speed Injection Pump
P3 = Zone 1 Pump
S1 = Snow / Ice Sensor 090
S2 = Boiler Supply Sensor 082
S3 = Mix Return Sensor 082
S4 = Mix Supply Sensor 082
S5 = Outdoor Sensor 070
V1 = Balancing Valve or Globe Valve
Essential Control Settings
ZONE 1 = AUTO
ZONE 2 = OFF
MIXING = VAR
Boil SENS = SUP
STAGE 1 = AUTO
STAGE 2 = OFF










