Amana GUIA Series Service Instructions Manual page 66

PRODUCT DESIGN
GUIV-CA/DX & GUVA-AX Two-Stage Variable Speed Furnace
Thermostat Connection
Mode
24 Volts HOT
24 Volts COMMON
Low Stage Connection
For
"Two-Stage" Heating
High Stage
Connection For
"Two-Stage" Heating
Connection For
"Single-Stage" Cooling
Low Stage Connection
For
"Two-Stage" Cooling
High Stage
Connection For
"Two-Stage" Cooling
Continuous Fan
Connection
[Any Application]
Contiuous Fan
Connection
[HEAT W/ SINGLE
STAGE COOLING
ONLY]
Continuous Fan
Connection
[HEAT ONLY/NO
COOLING]
66
Rev. 1
Thermostat Wiring Reference Chart
Connection Options
To
From Room
R R
Thermostat
To
From Room
C C
Thermostat
From Room
To
W1 W1
Thermostat
From Room
To
W2 W2
Thermostat
Y
To
From Room
Y
Thermostat
To
Y/Y2
To
From Room
Y1 Y1
Thermostat
Y
To
From Room
Y2
Thermostat
To
Y/Y2
To
G
From Room
G
Thermostat
To
G
From Room
To
G Y1
Thermostat
To
Y1
From Room
G
Thermostat
To
Y
Furnace Circulator Blower Operation
During Call From Thermostat
On Two-Stage
Integrated
Control Module
On Two-Stage
Integrated
Control Module
On Two-Stage
Circulator blower will operate on selected
Integrated
Low Stage Heating speed tap
Control Module
On Two-Stage
Circulator blower will operate on selected
Integrated
High Stage Heating speed tap
Control Module
Circulator blower will operate on selected
On Two-Stage
Integrated High Stage Cooling speed tap (5 second "ON"
Control Module delay and 45 second "OFF" delay)
On Circulator
Circulator blower will operate on selected
Blower
High Stage Cooling speed tap
Interface Board
(No "ON" delay or "OFF" delays)
(Screw Terminal)
On Circulator
Blower Circulator blower will operate at 65% of
Interface Board selected High Stage Cooling speed tap
(Screw Terminal)
On Two-Stage Circulator blower will operate on selected
Integrated High Stage Cooling speed tap (5 second "ON"
Control Module
delay and 45 second "OFF" delay)
On Circulator
Circulator blower will operate on selected
Blower
High Stage Cooling speed tap
Interface Board
(No "ON" delay or "OFF" delays)
(Screw Terminal)
On Two-Stage
Circulator blower will operate on selected
Integrated
Low Stage Heating speed tap
Control Module
Circulator blower will operate at 75% of
On Circulator
selected High Stage Cooling speed tap
Blower
NOTE: EAC terminals on the two-stage
Interface Board
Integrated Control Module will not energize
(Screw Terminal)
Circulator blower will operate at 65% of
On Circulator
selected High Stage Cooling speed tap
Blower
NOTE: EAC terminals on the two-stage
Interface Board
Integrated Control Module will not energize
(Screw Terminal)
Circulator blower will operate at 65% of
On Circulator
selected High Stage Cooling speed tap
Blower
NOTE: EAC terminals on the two-stage
Interface Board
Integrated Control Module will not energize
(Screw Terminal)
On Two-Stage
Circulator blower will operate on selected
Integrated
High Stage Cooling speed tap
Control Module
N/A
N/A
with this method.
with this method.
with this method.
Option
Ref.
---
---
W
a
W
b
Y
a
Y
b
Y
c
Y
d
Y
e
G
a
G
b
G
c
G
d
G
e