tekmar 402 House Control Quick Start - Manual (Page 2)

© 2014 402_Q - 02/14 2 A Watts Water Technologies Company
6. Install Enclosure
8. Install Cover
Menu
House Contro
l 402
Item
7. Low Voltage Wiring
R
C
L
N
Com
Open
Close
Expansion
tN4 Boil
Ct
N
4
Modulating
Boiler
—+
Expansion
tN4 Mix
Ct
N
4
2
1
WC
WC
Menu
House Control 402
Item
+
Mix
Com
Boil
Out
DHW
Vlv C Vlv C Vlv C
Zone 3 Zone 1 Zone 2 Zone 4
Vlv C
Com
Zone 1
H800
7D
Zone 2 Zone 3 Zone 4
tN2 tN2 tN2 tN2 tN2 tN2 tN2 tN2 C
Floating Action
Cls Opn
Sensors - No P
ow
er
Call
C
all
tN4
tN4
CC
Mod dc/mA
Boil Exp.
Mix Exp.
Se
tpoint
DHW
Use at least 167°F
(75°C) conductors R C
Input Power
Stage 2
Stage 1
Zone Valves
24 V (ac) Transformer 009
DHW Call
from DHW
Tank Aquastat
(optional)
Setpoint Call
Outdoor
Sensor
070
Mix Supply
Sensor 082
Boiler Supply
Sensor 082
DHW Tank
Sensor 082
One or Two Stage
Boiler T-T
tekmarNet ® 2 Thermostats
24 V (ac) Floating
Action Actuator
tekmarNet ® 4
Expansion to
Wiring Centers,
Timers, or
User Switch