Installation Pocket Guide

tekmarNet
®
Thermostat 557
557
_
Q
08/12
Zoning Replaces: New
Quick Setup Guide
© 2012 557_Q - 08/12
1 of 2
A Watts Water Technologies Company
Location1. Install Thermostat2.
Switch Settings3.
Stand Alone Wiring4.
Switch Position Action
1
ON LOCK Access level adjustment is not available.
OFF UNLOCK Access level adjustment is available.
2Not Used
Stud
Wall
Thermostat
Wiring Cover
Stud
Thermostat
Wiring
Cover
3
1
/
4
”
(83 mm)
Switch Box
W1Rh1 Rh2 W2 ACC
Y2 Y1 Rc G1 O/B
S3
0-10
Vdc
Com
S2 S1
tN4
C
R
Exterior
Wall
Interior
Wall
5 feet
1.5 m
Behind
Door
OR
W1Rh1 Rh2 W2 ACC
Y2 Y1 Rc G1 O/B
S3
0-10
Vdc
Com
S2 S1
tN4
C
R
ACC (humidifier)
Outdoor
Sensor 070
W2 (backup heat)
R (24 V (ac) power)
C (24 V (ac) common)
Y2 (2nd stage compressor)
Y1 (1st stage compressor)
G (fan)
O/B (reversing valve)
Heat
Pump
For tekmarNet
®
2 or 4
wiring, see Application
Brochure 557_A or
Installation & Operation
Manual 557_D.