User's Manual

English
Wiser Air Installation Guide 1-855-559-4737 www.wiserair.com
1. Isolate power from the HVAC
system.
2. Familiarize yourself with the HVAC
control board located inside the air
handler system.
3. Relocate the wire from the R
terminal on the HVAC control board
to the RC or RH terminal on the
STAT side of the PCB assembly.
Ensure that the jumper between the
RC and RH terminals is installed.
4. Relocate the wire from the G
terminal on the HVAC control board
to the G terminal on the STAT side
of the PCB assembly.
5. Connect the wire at the C terminal
of the thermostat to the C terminal
on the STAT side of the PCB
assembly.
6. Connect the wire from the common
point of the diode pair to either the
W or Y terminal on the STAT side
of the PCB assembly. Ensure that
the jumper between the W and Y
terminals is installed.
7. Connect the wires between ter-
minals RC, Y, W, C, and G on the
HVAC control board and the EQUIP
side of the PCB assembly.
8. Connect RC, Y, W, C, and G on the
HVAC control board to RC, Y, W,
C, and G on the EQUIP side of the
wire extender respectively.
9. Mount the PCB assembly near the
HVAC control board.
RC
RC R Y W C G
STAT EQUIP
C RCY
RH Y W C G
HVAC EQUIPMENT
RC
G
W2
Y2
O/B
S1
C
RH
W
Y
U
S2
WISER AIR BACK PLATE
WIRE TO HVAC SIDE
WIRE TO WISER AIR SIDE
RH W C G
W
Y
Installing the wire extender kit in a 4-wire system
Figure 9 : PCB assembly installation in a 4-wire system.
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