York D2CG User Manual download pdf (Page 9)

036-21359-001-B-0302

Unitary Products Group 9

FIELD WIRING - DCE/DCG ELECTRIC/ELECTRIC AND GAS/ELECTRIC UNITS

COM

LED 2

LED 1

ADD

JU M P E R

24 VO LT

TRANSFO R M ER

24 VO LT

TRANSFO R M ER

24 VO LT

TRANSFO R M ER

C O O L IN G O N L Y (2 4 V O L T T H E R M O S T A T )

UNIT TERMINAL

BLO CK 1TB

THERM OSTAT

TER M IN ALS

C O O L IN G / H E A T IN G (2 4 V O L T T H E R M O S T A T )

THERM OSTAT

TER M IN ALS

UNIT TERMINAL

BLO CK 1TB

24 Volt Therm ostat 2TH 04701224.

Term inal block 1TB - located on relay board in 24-volt section

of the unit control box.

24 Volt Therm ostat 2TH 04701024 or 2TH 04701524

(w ith subbase 2TB 04700224 or 2TB 04700324).

Term inal block 1TB - located on relay board in 24-volt section

o f th e u n it c o n tro l b o x .

Second stage heating is not required on units w ith a single stage

electric heater.

C O O L IN G / H E A T IN G (E L E C T R O N IC T H E R M O S T A T )

THERM OSTAT

TER M IN ALS

UNIT TERMINAL

BLO CK 1TB

Electronic program m able Therm ostat 2ET04700224 (includes subbase).

Term inal block 1TB - located on relay board in 24-volt section of the unit control box.

Second stage heating is not required on units w ith a single stage electric heater.

Term inals A1 and A 2 provide a relay output to close the outdoor econom izer dam pers

w hen the therm ostat sw itches to the set-back position.

TO REM O TE SENSO R

2TH 04702224 IF U S E D

R e fe r to th e

ELECTRICAL

DATA

ta b le s to s iz e th e

power wiring, the

fuses and the

disconnect

sw itch.

LINE VOLTAGE

TER M IN AL

BLOCK 2TB

IN U N IT

CONTROL BOX

GROUND LUG

Fan sw itch m ust be in "O N " position for m inim um ventilation during heater operation.

CONTROL W IRING

ADD

JUM PER

NOT

USED

POW ER W IRING

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 23 24

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York D2CG User Manual Page 9

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