tekmar 401 House Control Installation - Manual (Page 11)

11 of 28 © 2011 D 401 - 07/11
Description: The House Control 401 operates a modulating boiler, and indirect Domestic Hot Water tank and four onboard
hydronic zones. The boiler is operated using Outdoor Reset with Indoor Feedback. Four additional boiler water temperature
zones shown are operated by a Wiring Center through the tN4 Boil Expansion terminals.
R
C
L
N
Expansion
tN4 Boil
Ct
N 4
Modulating
Boiler
—+
1
314
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
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
401
070
314
Single Boiler, DHW Tank, 8 Boiler Zones A401-2
S2
S1
S3
24 V (ac)
Transformer 009
DHW Sensor (S3)
Boiler Sensor (S1)
tekmarNet ® 2 Thermostats
Outdoor
Sensor
(S2)
tekmarNet ® 4
Expansion to
Wiring Centers,
Timers, or
User Switch
tekmarNet ® 2 Thermostats tekmarNet ® 2 Thermostats
(if applicable)
P1
Z1 Z2 Z3 Z4
DHW
Zone 4
Zone 3
Zone 2
Zone 1
(P1)
(Z4)
(Z3)
(Z2)
(Z1)