tekmar 401 House Control Quick Start - Manual (Page 2)

© 2014 401_Q - 02/14 2 A Watts Water Technologies Company
6. Low Voltage Wiring
Menu
House Contro
l 402
Item
7. Install Cover
R
C
L
N
Expansion
tN4 Boil
Ct
N
4
Modulating
Boiler
—+
2
1
Back of
House Control 401
Menu
House Control 401
Item
+
Com
Boil
Out
DHW
Com
Zone 1
H8006C
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 Use at least 167°F
(75°C) conductors
Stage 2
Stag
e 1
24 V (ac) Transformer 009
DHW Call
from DHW
Tank Aquastat
(optional)
Setpoint Call
Outdoor
Sensor
070
Boiler Supply
Sensor 082
DHW Tank
Sensor 082
One or Two Stage
Boiler T-T
tekmarNet ® 2 Thermostats
tekmarNet ® 4
Expansion to
Wiring Centers,
Timers, or
User Switch
5. Install Enclosure