Install Instructions

© 2011 D 401 - 07/11 10 of 28
Applications
R
C
L
N
Expansion
tN4 Boil
CtN4
1
Menu
House Control 401
Item
+
ComBoil Out DHWCom
Zone 1
H8006B
Zone 2 Zone 3 Zone 4
tN2 tN2 tN2 tN2 tN2 tN2 tN2 tN2
Sensors - No Power
Call Call
tN4 C
Mod dc/mA Boil Exp.
Setpoint DHW
RC
Input Power
Made in Canada
Use at least 167°F
(75°C) conductors
Stage 2Stage 1
115 V (ac)
NGL
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)