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8

A09276

A09277

RVS/Heat Stage 2

O/W2/B

Heat Stage 1

W/W1

Compressor Low

Y1

Compressor High

Y/Y2

Fan

G

24VAC Hot Heating

Rh

24VAC Hot Cooling

Rc

Dry Contact 1

D1

Dry Contact 2

D2

24VAC Common

C

Humidify

HUM

Outdoor Air Temp

OAT

Remote Room Sensor

RRS

OAT/RRS Return

SRTN

SRTN

Outdoor Sensor 

Humidifier Solenoid 

Valve  

Remote Room 

Sensor

O

Y1

W1

G

W2

C

Y2

Y1

Y/Y2

R

C

DH

 REMOVE J2
JUMPER FOR
HEAT STAGING

REMOVE J1 FOR
DEHUMIDIFY
MODES

Two-Stage

Air Conditioner

Thermidistat

Variable Speed

Fan Coil

TWO-STAGE

AIR CONDITIONER

THERMIDISTAT

Thermidistat w/ Variable Speed Fan Coil

& 2---Stage Air Conditioner

Thermidistat w/ Variable Speed Furnace

& 2---Stage Air Conditioner

Fig. 6 -- Thermidistat Wiring with 2--Stage R--410A refrigerant Air Conditioner

A09278

Single Stage Furnace with 2---Stage Air Conditioner

A09279

2---Stage Thermostat with Single---Stage Furnace and

2---Stage Air Conditioner

HUMIDFIER

(24VAC)

Fig. 7 -- Generic Wiring Diagrams

(See Thermostat Installation Instruction for specific unit combinations)

  LEGEND

 

24v Factory Wiring

 

24v Field Wiring

 

Field Splice Connection

A09306

PA

17N

A

Содержание PA17NA

Страница 1: ...electrical disconnect switch must be in the OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label INSTALLATION RECOMMENDATIONS NOTE In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment 1 Locate unit away from windows patios decks etc where unit operation sound may disturb customer 2 ...

Страница 2: ... 12 78_C and the maximum outdoor operating ambient in cooling mode is 125_F 51 67_C when operating voltage is 230v For 208v applications the maximum outdoor ambient is 120_F NOTE Units operating at high stage operation 208v or below line voltage and at an outdoor ambient 120_F or greater may experience compressor trip Make Piping Connections WARNING PERSONAL INJURY AND ENVIRONMENTAL HAZARD Failure...

Страница 3: ... Pumps using R 410A refrigerant Install Liquid Line Filter Drier Indoor CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation 1 Installation of filter drier in liquid line is required 2 Filter drier must be wrapped in a heat sinking material such as a wet cloth while brazing Refer to Fig 3 and install filter drier as follows 1 Braze 5 in liq...

Страница 4: ...than 100 ft 30 48 m from unit as measured along the control voltage wires use No 16 AWG color coded wire to avoid excessive voltage drop All wiring must be NEC Class 1 and must be separated from incoming power leads Use furnace transformer fan coil transformer or accessory transformer for control power 24v 40va minimum NOTE Use of available 24v accessories may exceed the minimum 40va power require...

Страница 5: ...et point is below indoor ambient temperature and is set low enough to energize desired stage In order to start the system in low stage refer to the literature for the installed thermo stat and adjust the set point so that the differential between the room temperature and the set temperature energizes Y1 5 Set room thermostat to COOL and fan control to ON or AUTO mode as desired 6 Operate unit for ...

Страница 6: ... periodic maintenance requirements outlined in manual 5 Fill out Dealer Installation Checklist and place in customer file TROUBLESHOOTING If the compressor fails to operate with a cooling call the table below Resistance table can be used to verify if there is any damage to the compressor windings causing system malfunction Table 3 Winding Resistance Winding Winding resistance at 70_F 20_F 21 11_C ...

Страница 7: ...as a 24 volt coil and is controlled by Y1 input from the thermostat High and Low Pressure Switches High and low pressure switches are provided in line with the Y1 signal to the contactor for protection The high pressure switch mounted on the liquid tube is set to open at 670 psi and higher and the low pressure switch mounted on the suction tube opens at a pressure of 50 psi and lower CARE AND MAIN...

Страница 8: ...Two Stage Air Conditioner Thermidistat Variable Speed Fan Coil TWO STAGE AIR CONDITIONER THERMIDISTAT Thermidistat w Variable Speed Fan Coil 2 Stage Air Conditioner Thermidistat w Variable Speed Furnace 2 Stage Air Conditioner Fig 6 Thermidistat Wiring with 2 Stage R 410A refrigerant Air Conditioner A09278 Single Stage Furnace with 2 Stage Air Conditioner A09279 2 Stage Thermostat with Single Stag...

Страница 9: ... filter driers with rated working pressures less than 600 psig S Do not leave R 410A suction line filter driers in line longer than 72 hours S Do not install a suction line filter drier in liquid line S POE oils absorb moisture rapidly Do not expose oil to atmosphere S POE oils may cause damage to certain plastics and roofing materials S Wrap all filter driers and service valves with wet cloth whe...

Страница 10: ...ing S 7310 W Morris St S Indianapolis IN 46231 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No IM PA17NA 02 Replaces IM PA17NA 01 Edition Date 09 12 PA17NA ...

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