tekmar 512 Programmable Thermostat Installation - Manual (Page 16)

© 2009 D 512 - 09/09 16 of 20
Two Stage with Zone Pump and Zone Valve
Po
w er
: 2
4
V
± 1
0% 60 Hz 3
VA
Re
lay
: 24
V (ac) 2
A
Class 2
938-
02
51
2
Switch Se
ttings
:
Ins
taller/User
2 Stage/Heat-
Cool
Made
in Can
ada
Mee
ts Class B:
Canadian
ICES
FCC
Pa
rt 1
5
T
T 1
2
L N
M
Stage 2
Zone
Valve
24 V (ac)
Class 2
Transformer
Stage 1
Zone
Pump
Typical Powered
Relay
Two Stage with Zone Pump and Zone Valve
Po
w er
: 2
4
V ± 1
0% 60
Hz 3
VA
Re
lay
: 24
V (ac) 2
A
Class 2
938-02
51
2
Switch Se
ttings
:
Ins
tall
er/User
2 Stag
e/Heat-
Cool
Stage 1
Zone
Pump
2
1
8
7 3
4
5
6
M
Stage 2
Zone
Valve
24 V (ac)
Class 2
Transformer
Made
in Can
ada
Mee
ts Class B:
Canadian
ICES
FCC
Pa
rt 1
5
Unpowered Relay