Aprilaire 8570 Specifications download pdf (Page 10)

APRILAIRE MODEL

8570 THERMOSTAT

FAN

RELAY

1ST STAGE

AUX . HEAT

R

INDOOR UNIT - AIR HANDLER

C

G

Y1

W1

W2

L1

L2

120

VAC

24

VAC

2ND STAGE

AUX . HEAT

L

O

Y1

W1

C

R

1ST STAGE

COMP.

REV.

VALV E

DEFROST

SERVICE

OUTDOOR UNIT - HEAT PUMP

SUPPLIED JUMPER

COMPRESSOR

ZA

ZB

I+

I-

6504

CONNECTION

B

O

Y2

Y1

G

RC

R

RH

W1

W2

C

AHC

CONNECTION

SINGLE/MULTI – SET TO SINGLE

FOR SINGLE STAGE HEAT PUMP

ELECT/GAS - SET TO ELECT FOR

ELECTRIC AUXILIARY HEAT, SET

TO GAS FOR FOSSIL FUEL (DUAL

FUEL) AUXILIARY HEAT

O/B – SET TO “O” IF HEAT PUMP

REVERSING VALVE MUST BE

ENERGIZED WHEN COOLING,

SET TO “B” IF IT IS TO BE

ENERGIZED IN HEATING

AUXILIARY HEAT SET UP

1. WITH THERMOSTAT IN OFF

MODE, PRESS AND HOLD THE

UP AND DOWN BUTTONS FOR

3 SECONDS TO ENTER THE

ADVANCED SETTINGS MENU.

2. SCROLL DOWN AND

HIGHLIGHT THE “AUXILIARY

HEAT SETUP” OPTION AND

PRESS SELECT.

3. HIGHLIGHT “TWO STAGE AUX

HEAT” AND PRESS SELECT

THERMOSTAT

CONFIGURATION

SWITCH SETTINGS

OUTDOOR (ODT)

& INDOOR (IDS)

TEMPERATURE

SENSORS

HC

SINGLE

B

GAS

HP

MULTI

O

ELECT

4

3

2

1

ON

NC

NO

COM

EVENT

TRIGGERED

OUTPUT

(ETO)

IDS

ODT

GND

APRILAIRE MODEL

8570 THERMOSTAT

FAN

RELAY

1ST STAGE

AUX . HEAT

R

INDOOR UNIT - AIR HANDLER

C

G

Y1

W1

L1

L2

120

VAC

24

VAC

L

O

Y1

W1

C

R

1ST STAGE

COMP.

REV.

VALV E

DEFROST

SERVICE

OUTDOOR UNIT - HEAT PUMP

COMPRESSOR

SUPPLIED

JUMPER

ZA

ZB

I+

I-

6504

CONNECTION

B

O

Y2

Y1

G

RC

R

RH

W1

W2

C

AHC

CONNECTION

SINGLE/MULTI – SET TO SINGLE

FOR SINGLE STAGE HEAT PUMP

ELECT/GAS - SET TO ELECT FOR

ELECTRIC AUXILIARY HEAT, SET

TO GAS FOR FOSSIL FUEL (DUAL

FUEL) AUXILIARY HEAT

O/B – SET TO “O” IF HEAT PUMP

REVERSING VALVE MUST BE

ENERGIZED WHEN COOLING,

SET TO “B” IF IT IS TO BE

ENERGIZED IN HEATING

AUXILIARY HEAT SET UP

1. WITH THERMOSTAT IN OFF

MODE, PRESS AND HOLD THE

UP AND DOWN BUTTONS FOR

3 SECONDS TO ENTER THE

ADVANCED SETTINGS MENU.

2. SCROLL DOWN AND

HIGHLIGHT THE “AUXILIARY

HEAT SETUP” OPTION AND

PRESS SELECT.

3. HIGHLIGHT “ONE STAGE AUX

HEAT” AND PRESS SELECT

THERMOSTAT

CONFIGURATION

SWITCH SETTINGS

OUTDOOR (ODT)

& INDOOR (IDS)

TEMPERATURE

SENSORS

HC

SINGLE

B

GAS

HP

MULTI

O

ELECT

4

3

2

1

ON

NC

NO

COM

EVENT

TRIGGERED

OUTPUT

(ETO)

IDS

ODT

GND

- 14 - - 15 -

Diagram 6: Single-Stage

Heat Pump with Single-Stage

Back Up Heat

Diagram 7: Single-Stage

Heat Pump with Two-Stage

Back Up Heat

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 24 25

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