Bard W**H Manual De Usuario
Manual 2100-516H
Page 8 of 19
FIGURE 4
HEAT PUMP WITH OPTIONAL MFAD, CRV and ERV VENTILATION
PACKAGING WITH NON-PROGRAMMABLE THERMOSTAT WITH CO2 CONTROLLER
Unit
C
G
R
Y
E
Y1
W2
W1
O1
DH
L
B
W3
1
Factory Jumper Installed
Low Voltage Wiring Diagram
C
O/B
Y
R
L
AUX
Terminal Block
E
24V Low Voltage
Bard part #8403-058
MFAD
Bard part #8403-067
2 Stage Heat
1 Stage Cool
Thermostat
1
Red
1
Orange
Optional CO Controller
Brown/White
#TH5220D1151
Ventilation Packages
Black
Red
5
2
6
3
2
4
G
2
1
2
ERV
CRV
is used.
only if optional CO controller
Connect orange wire to "G"
Rc
Black
"L" is constant 24V output when
thermostat is in Em Heat mode
2
MIS-2634 E