Bard/janitrol/tappan/williamson – Honeywell CT70 User Manual
Page 12
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12
BARD/JANITROL/TAPPAN/WILLIAMSON
!
This terminal must be connected to transformer common.
#
Leave factory-installed jumper in place.
$
Connect multiple second stage heating loads to W2 terminals.
%
Thermostat is connected to either O or B terminal, but not
both.
Wiring
terminal
function
Existing
thermostat
wiring
New
thermostat
wiring
COMMON
POWER
COMPRESSOR
1
ST
STG.
HEAT
AUX. HEAT
FAN
C/O VALVE
HEAT
C/O VALVE
COOL
SYSTEM
MONITOR
EM. HEAT
MULTIPLE AUX.
HEAT LOADS
W1
W2
W2
G
G
2
X
X
X1
or
C
or
1
E
E
1
Y
Y1
L
L
B
O
W3
3
R
R
RC
or
RH
or
W1
B
or
3
4
4
O
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