Jifm Economizer - Bard W24G4 Installation Instructions Manual

3
8403-058
C
(TH5220D1151)
4
Thermostat
C
part #8403-060
UNIT LOW
C
VOLTAGE
FACTORY
INSTALLED
JUMPER
Manual 2100-721B
Page 26 of 54
Low Voltage Wiring

JIFM Economizer

Low Voltage Wiring Diagram
2
G R RC Y2 W
Y
Y1
G R Y2
YO/D W1/E
G 1
RT R W3
B/W1
5
Must be energized to enable minimum position. NOTE: Economizer Control Default Setting
1
is 10V (100%). Depending upon application may require setting to lower value.
Factory installed jumper.
2
Change "system type", set up function 1, from 5 (2 heat/ 1 cool heat pump)
3
to 6 (2 heat/ 2 cool conventional).
Change model configuration from heat pump to heat/cool, and must be configured for
4
economizer for YO/D output to be active as first stage cooling.
For demand ventilation and/or to disable ventilation on call for heat,
5
move blue wire to "A" terminal.
Balance Climate is unavailable with economizer.
6
Leave the jumper installed.
FIGURE 13
W2
1
A
W2
W2
Y2 2 A
Y1
6
L O/B
UNIT CONTROL PANEL
D L 3 4 5 6
1
YELLOW/RED
PINK
WIRES
YELLOW
BLUE
PURPLE
RED/WHITE
BLACK/WHITE
MIS-3349 C
FROM
PLUG