tekmar 401 House Control Installation - Manual (Page 10)

© 2011 D 401 - 07/11 10 of 28
Applications
R
C
L
N
Expansion
tN4 Boil
Ct
N
4
1
Menu
House Control 401
Item
+
Com
Boil
Out
DHW
Com
Zone 1
H8006B
Zone 2 Zone 3 Zone 4
tN2 tN2 tN2 tN2 tN2 tN2 tN2 tN2
Sensors - No P
ow
er
Call
Call
tN4
C
Mod dc/mA
Boil Exp.
Se
tpoint
DHW
R C
Input Power
Made in Canada
Use at least 167°F
(75°C) conductors
Stage 2
Stage 1
115 V (ac)
N G L
N
L
(red)
(black)
(black)
(black)
(black)
(black)
to pump
grounds
Back of
House Control 401
401
Zone 4 Zone 3
Zone 2
Zone 1 DHW Pump
Pump Power
Strip wires 1/2 inch
(13 mm). Installed
wires are not removable.
12-18 AWG
Description: The House Control 401 operates an On/Off boiler with indirect Domestic Hot Water. The boiler is operated
using Outdoor Reset with Indoor Feedback. This supplies the lowest water temperature to the 4 onboard hydronic zones,
while maintaining comfort in the building. Additional zones can be added using the tN4 Expansion terminals.
Single Boiler, DHW Tank, 4 Boiler Zones A401-1
401
070 S2
S1
Outdoor
Sensor
(S2)
tekmarNet ® 2 Thermostats
Boiler T-T
24 V (ac)
Transformer 009
Boiler Sensor (S1)
DHW Call
tekmarNet ® 4
Expansion to
Wiring Centers,
Timers, or
User Switch
tekmarNet ® 2 Thermostats
P1
Z1 Z2 Z3 Z4
DHW
Zone 4
Zone 3
Zone 2
Zone 1
(P1)
(Z4)
(Z3)
(Z2)
(Z1)