INSTALLER'S GUIDE
18-HH08D10-2Page 8
NOTE 9
8. "Y" CONNECTION MADE ON SINGLE SPEED INDOOR UNIT ONLY.
9. REMOVE BK JUMPER ON VS AIR HANDLERS OR CUT BK JUMPER ON VS FURNACE INTERFACE BOARD.
THT1248
ON MASTER SCHEDULER *
SINGLE OR VARIABLE SPEED INDOOR UNIT, ( FURNACE OR AIR HANDLER ) WITH SINGLE SPEED OUTDOOR UNIT.
COOLING OR HEAT PUMP, INCLUDING DUAL FUEL HEAT PUMP. NO PLUS-ONE KIT REQUIRED. DSW-2 "OFF".
* ONLY ON IF OTHER DIGITAL SENSORS ARE USED.
ONLY USE ON VER. 2.8 or LATER
(OFF) RES. AIRFLOW
(ON) COMML AIRFLOW
(OFF) ONE & TWO STAGE AIRFLOW
(ON) TWO STEP SCROLL AIRFLOW
DSW9
FOR MULTI-STAGE COMPRESSORS (OR TWO-STAGE HEATING
DSW10
DSW11
NOTE 8
MULTI-STAGE COMPRESSORS
*
* NOT WITH
ZUSTAT031
Figure 7
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