14
NOTES:
1. Outdoor Thermostat 1 should be the first to close and the last
to open.
2. Connect the white and brown wires from the air handler if
Outdoor Thermostat 2 is not used.
3. Remove this wire when using an outdoor thermostat.
4. EHR—Emergency heat relay (optional)
Thermostat Connection—Cooling Unit with Optional Heat Kits of 10kW and Below
IMPORTANT: When matching the WAHME air handlers to a single-stage cooling unit or heat pump, remember to connect the Y/Y2
thermostat connection on the variable speed board (VSTP) to the thermostat. Connecting Y1 will result in 1
st
stage cooling blower speed
and may cause the contactor to chatter.
NOTES:
1. Outdoor Thermostat 1 (OT-1) should be the first to close and
the last to open.
2. Jumper W1 and W2 together if OT-2 is not used.
3. Remove this wire when using an outdoor thermostat.
4. EHR—Emergency heat relay (optional)
5. OT—Outdoor thermostat (optional)
Goodman 6 Long
HIGH VOLTAGE!
WARNING
Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage, personal injury or death.
G
C
W1
Y
W
W2
Y2
Y1
OR
G
R
TB
Y
BU
BU
Y
Y
W
G
R
Room Thermostat
#18 Gauge - 4 Wire With Cooling,
3 Wire Without Cooling
Unit
Contactor Coil
To Condensing Unit
24V Connections
R
R
To Comfort Alert
Module (If Used)
