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246796-YTG-D-0407

6

Unitary Products Group

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.

Thermostat Chart - AC

AC9

2 Stage Scroll A/C w/2 Stage Furnace, 2 Stage Cooling Ready- PT8/9; (F,L)*8/9T, (G,L)*8/9T, XYG8S-U, XYF8S-U / XYF8S-U*L

THERMOSTAT

*DP22U70124

C

24-Volt Common

Thermostat Installer Setup 

Number 15 - Compressor 

Protection - must be set to 5

Y2

Second Stage Cool

W2

Second Stage Heat

R

24-Volt Hot

R

24-Volt Hot

C

24-Volt Common

Y1

First Stage Cool

Y

First Stage Cool

C

24-Volt Common

R

24-Volt Hot

Y1

First Stage Cool

C

24-Volt Common

C

24-Volt Common

C

24-Volt Common

Y1

First Stage Cool

Comfort Alert

Interface

24V HUMIDIFIER

(Optional)

R

24-Volt Hot

G

Fan

R

24-Volt Hot

W2

Second Stage Heat

E/W1

First Stage Heat

W

First Stage Heat

W2

Second Stage Heat

Step 1 of Thermostat User 

Configuration Menu must be 

set to MS 2

Step 16 of Thermostat User 

Configuration Menu must be set 

to ON to use Comfort Alert 

Features

HM

Humidistat

L

Malfunction Light

E/W1

First Stage Heat

G

Fan

G

Fan

Connection of the "C" Termainal, 

24-Volt Common, is optional 

when used with batteries

Thermostat Installer Setup 

Number 1 - System Type - 

must be set to 6 - 

2 Heat/2 Cool Conventional

R

24-Volt Hot (Heat XFMR)

W2

Second Stage Heat

RC

24-Volt Hot (Cool XFMR)

E/W1

First Stage Heat

G

Fan

*DN22U00124

THERMOSTAT

Y2

Second Stage Cool

Y2

Second Stage Cool

Y

First Stage Cool

Y2

Second Stage Cool

Y2

Second Stage Cool

Y/Y2

Single/Second Stage 

Cool

Y1

First Stage Cool

Connection of the "C" 

Termainal, 24-Volt Common, 

is optional when used with 

batteries

2 STAGE PSC

FURNACE CONTROL

TWO STAGE

AIR CONDITIONING

*DN22C00124

*PP32U71124

THERMOSTAT

*PP32U72124

THERMOSTAT

Step 1 of Thermostat User 

Configuration Menu must be set 

to MLTI STG

W/W1

Single/First Stage Heat

C

24-Volt Common

THERMOSTAT

*PP32U70124

Thermostat Installer Setup 

Number 0170 - System Type - 

must be set to 8 - 2 Heat/2 Cool 

Multistage Conventional

Y

First Stage Cool

Y2

Second Stage Cool

R

24-Volt Hot (Heat XFMR)

RC

24-Volt Hot (Cool XFMR)

G

Fan

W2

Second Stage Heat

Connection of the "C" 

Termainal, 24-Volt Common, 

is optional when used with 

batteries

E/W1

First Stage Heat

W2

Second Stage Heat

G

Fan

Connection of the "C" Termainal, 

24-Volt Common, is optional 

when used with batteries

Summary of Contents for PT8DH

Page 1: ...ce as allowed by the National Fuel Gas Code ANSI Z223 1 latest edition WARRANTY 20 year limited warranty on the heat exchanger 10 year heat exchanger warranty on commercial applica tions 5 year limited parts warranty FEATURES Two stage heating operation includes Two stage gas valve Two stage inducer operation This provides both increased comfort level and very quiet unit operation Delay timer allo...

Page 2: ...H11 2000 C 21 19 3 4 18 1 2 13 1 2 RATINGS PHYSICAL ELECTRICAL DATA MODEL Input High Low Output BTU H High Low Nominal Airflow Cabinet Width AFUE Blower Blower Size MBH MBH CFM In Hp Amps In PT8A12 N L 040DH11 57 42 46 34 1200 14 1 2 80 0 1 2 7 7 10 x 8 PT8A12 N L 060DH11 80 59 64 48 1200 14 1 2 80 0 1 2 7 7 10 x 8 PT8A12 N L 080DH11 80 59 64 48 1600 17 1 2 80 0 3 4 9 6 10 x 10 PT8B16 N L 080DH11 ...

Page 3: ...910 810 680 560 Low 980 970 960 930 890 830 760 680 550 450 PT8B16 N L 080DH11 High 2070 2000 1930 1850 1770 1670 1580 1470 1360 1250 Medium 1650 1630 1610 1560 1490 1420 1360 1270 1170 1040 Low 1410 1400 1370 1340 1320 1270 1210 1140 1050 950 PT8C16 N L 080DH11 High 1895 1812 1736 1624 1544 1437 1311 1153 1032 836 Medium 1726 1645 1581 1491 1412 1311 1192 1049 908 750 Low 1561 1493 1430 1373 1304...

Page 4: ...ween filter manufacturer NOTES 1 Air velocity through throwaway type filters may not exceed 300 feet per minute All velocities over this require the use of high velocity filters RECOMMENDED FILTER SIZES CFM Cabinet Size Top Return in 1200 A 2 14 x 20 1600 B 2 14 x 20 1200 B 2 14 x 20 1600 C 2 14 x 20 2000 C 2 14 x 20 FILTER PERFORMANCE PRESSURE DROP INCHES W C AND KPA Airflow Range Minimum Opening...

Page 5: ...ract the airflow 0 50 from the airflow 0 60 to obtain airflow difference 1170 1240 70 CFM 3 Subtract the total system static from 0 50 and divide this difference by the difference in ESP values in the table 0 60 0 50 to obtain a percentage 0 58 0 50 0 60 0 50 0 8 4 Multiply percentage by airflow difference to obtain airflow reduction 0 8 x 70 56 5 Subtract airflow reduction value from airflow 0 50...

Page 6: ...tion Light E W1 First Stage Heat G Fan G Fan Connection of the C Termainal 24 Volt Common is optional when used with batteries Thermostat Installer Setup Number 1 System Type must be set to 6 2 Heat 2 Cool Conventional R 24 Volt Hot Heat XFMR W2 Second Stage Heat RC 24 Volt Hot Cool XFMR E W1 First Stage Heat G Fan DN22U00124 THERMOSTAT Y2 Second Stage Cool Y2 Second Stage Cool Y First Stage Cool ...

Page 7: ...Bonnet Sensor Bonnet Sensor Optional BS Bonnet Sensor W2 Second Stage Auxiliary Heat W2 Second Stage Auxiliary Heat AUX Auxiliary Heat E W1 First Stage Auxiliary Heat E W1 First Stage Auxiliary Heat W Auxiliary Heat Y2 Second Stage Heat Cool Y2 Second Stage Heat Cool Y2 Second Stage Heat Cool Y2 Second Stage Heat Cool L Malfunction Light L Malfunction Light L Malfunction Light X L Malfunction Ligh...

Page 8: ...o change without notice Printed in U S A 246796 YTG D 0407 Copyright by York International Corp 2007 All rights reserved Supersedes 246796 YTG C 0806 Unitary 5005 Norman Products York OK Group Drive 73069 NOTES ...

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