
15 of 20 © 2009 D 512 - 09/09
Power: 24 V ± 10%
60 Hz 3 VA
Relay:
24
V (ac) 2
A
Class 2
938-
02
512
Switch Settings
:
Installer/User
2 Stage/Heat-
Cool
Stage 1
Zone
Valve
Stage 2
Zone
Valve
M
M
24 V (ac)
Class 2
Transformer
Made
in Can
ada
Mee
ts Class B:
Canadian ICES
FCC
Part 15
One Stage Heat with Zone Pump and Cooling
T
T
1
2
L
N
Cooling
Zone
Pump
24 V (ac)
Class 2
Transformer
Made
in Can
ada
Mee
ts C
lass B:
Canadian ICES
FCC
Part
15
Power: 24
V ± 10%
60 Hz 3 VA
Rel
ay:
24
V (ac) 2
A
Class 2
938-
02
512
Switch Settings:
Install
er/User
2 Stag
e/Heat-Cool
Typical Powered Relay
One Stage Heat with Zone Pump and Cooling
Power: 24 V ± 10%
60 Hz 3 VA
Relay: 24
V (
ac)
2
A
Class 2
938-02
512
Switc
h Settings:
Installer/User
2 Stage/Heat-Cool
Made in Canada
Meets Class B:
Canadian ICES
FCC Part 15
Cooling
Zone
Pump
24 V (ac)
Class 2
Transformer
Unpowered
Relay
Two Stage Heat with Zone Valves
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