Thermostat Chart - Single Stage Ac With Psc Air Handler; Johnson Controls Unitary Products - York International TCHDSERIES Installation Manual

For additional connection diagrams for all UPG equipment refer to "Low Voltage System Wiring" document available online at www.upgnet.com in
the Product Catalog Section.
AC 1A
THERMOSTAT
*PP11C70224
Y
Full Stage Compressor
RH
24 – Volt Hot
(Heat XFMR)
G
Fan
RC
24 – Volt Hot
(Cool XFMR)
W
Full Stage Heat
HM1
Humidistat
Clipping Jumper W914 for
electric heat on thermostat
is not necessary
FIGURE 8: Thermostat Chart - Single Stage AC with PSC Air Handler

Johnson Controls Unitary Products

Single Stage Air Conditioner – PSC Air Handler
24VAC Humidifier
Relay
(Optional)
24VAC
Electronic Air Cleaner
Relay
(Optional)
ID MODELS
AHR
MA
PSC
AIR HANDLER
PSC
AIR HANDLER CONTROL
COM
24 – Volt Common
Y/Y2
Second or Full
Stage Compressor
R
24 – Volt Hot
G
Fan
W2
Second Stage Heat
Y1
Single Stage Compressor
O
Reversing Valve
Energized in Cool
X/L
Malfunction Light
W1
First Stage Heat
HUM
Humidity Switch
Open on Humidity Rise
HUM OUT
(24 VAC out)
Humidifier
EAC(24 VAC out)
Electronic Air Cleaner
Move HUM STAT
jumper to "YES"
if humidistat is to be used.
Refer to AH documentation
for W1 and W2 electric
heat staging options.
5320779-UIM-A-0417
SINGLE STAGE
SINGLE STAGE
AIR
AIR CONDITIONER
CONDITIONER
SINGLE STAGE SINGLE STAGE
AIR CONDITIONER AIR CONDITIONER
C
24 – Volt Common
Y Y
Compressor Contactor Compressor
A0163-002
9