Thermostat Chart - Two Stage Ac - Variable Speed Furnaces - York CZH Installation Manual

AC 31A Two Stage Air Conditioner – Variable Speed Air Handler
THERMOSTAT
*DN22U00124
C
24 – Volt Common
Y
First Stage Compressor
R
24 – Volt Hot
(Heat XFMR)
G
Fan
W
First Stage Heat
W2
Second Stage Heat
RC
24 – Volt Hot
(Cool XFMR)
Y2
Second Stage
Compressor
Connection of the "C"
terminal, 24-volt common
is optional when used with
batteries
Thermostat Installer Setup
1-System Type-must
be set to 6-2 Heat/2 Cool
Multistage Conventional
Thermostat Installer Setup
15-Compressor Protection
-must be set to 5
FIGURE 16: Thermostat Chart - Two Stage AC – Variable Speed Furnaces
Johnson Controls Unitary Products
THERMOSTAT
*PP32U70124
C
24 – Volt Common
Y
First Stage Compressor
R
24 – Volt Hot
(Heat XFMR)
G
Fan
W
First Stage Heat
W2
Second Stage Heat
RC
24 – Volt Hot
(Cool XFMR)
Y2
Second Stage
Compressor
External Humidistat
(Optional)
Open on Humidity Rise
24VAC Humidifier
Relay
(Optional)
24VAC
Electronic Air Cleaner
Relay
(Optional)
Connection of the "C"
terminal, 24-Volt common
is optional when used with
batteries
Thermostat Installer Setup
0170-System Type-must
be set to 8-2 Heat/2 Cool
Multistage Conventional
ID MODELS
AHV
MV
VARIABLE SPEED
AIR HANDLER
VARIABLE SPEED
AIR HANDLER CONTROL
COM
24 – Volt Common
Y1
Single Stage
Compressor
R R
24 – Volt Hot 24 – Volt Hot
G
Fan
W1
First Stage Heat
W2
Second Stage Heat
O
Reversing Valve
Energized in Cool
X/L
Malfunction Light
Y/Y2
Second or Full
Stage Compressor
HUM
Humidity Switch
Open on Humidity Rise
HUM OUT
(24VAC out)
Humidifier
EAC (24VAC out)
Electronic Air Cleaner
Move the HUM STAT
jumper to "YES"
if humidistat is to be used.
Refer to AH documentation
for W1 and W2 electric
heat staging options.
835965-UIM-C-0814
TWO STAGE
AIR
CONDITIONER
C
24 – Volt Common
Y1
First Stage Compressor
R
24 – Volt Hot
Y2
Second Stage
Compressor
A0214-002
15