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6

Single Phase Electrical Connections
(Refer to “Wiring Diagram—Single Phase 208/230 Volt.”)

1. Disconnect power.

2. Remove control box cover.

3. Connect the field supply wires L1 and L2 to contactor 

terminals L1 and L2.

4. Connect ground wire to ground lug.

5. Connect low voltage circuit.

Typical Wiring Connection (low voltage circuit)

6. Replace control box cover.

7. Reconnect power.

A. Ground lug
B. Field supply ground wire

C. 208/230 volt field supply wires

WARNING

Electrical Shock Hazard

Disconnect power before servicing.

Replace all parts and panels before operating.

Failure to do so can result in death or electrical shock.

T1

T2

L1

L2

L1

L2

C

A

B

A. Do not connect C (common) connection between indoor unit and 

thermostat except when required by the indoor thermostat. Refer 
to the thermostat installation instructions.

B. C (common) connection between indoor unit and outdoor unit 

required for proper operation.

R
C

Y

O

W

Thermostat

Indoor Unit

Outdoor Unit

24V Control Wiring (NEC Class 2)

R
C

Y

O

G

R

C

W

G

W

A

B

Содержание W2GH3

Страница 1: ... you don t immediately You can be killed or seriously injured if you don t follow All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what can happen if the instructions are not followed Your safety and the safety of others are very important We have provided many important safety messages in this manual and on your appliance Alwa...

Страница 2: ...installed in the indoor coil Instructions for replacing the expansion device are provided with the indoor coil LocationRequirements This heat pump is designed to be located outdoors with sufficient clearance for free entrance to the inlet and discharge air openings The location must also allow for adequate service access See Minimum Clearances Where possible select a location for the heat pump whi...

Страница 3: ...round vapor line only C Wire tie around vapor line only D Tape or wire tie E Metal sleeve F Tape or wire tie G Strap the vapor line to the floor joist or roof rafter at 8 intervals then strap the liquid line to the vapor line A Anchored heavy nylon wire tie B Strap liquid line to vapor line C Liquid line D Vapor line wrapped in armaflex E Metal sleeve F Wall stud G Automotive muffler type hanger B...

Страница 4: ...ready to be completed 1 Route the suction and liquid lines from the fittings on the indoor coil to the fittings on the heat pump Run the lines in as direct a path as possible avoiding unnecessary turns and bends 2 For product efficiency be sure that the suction line is insulated over the entire exposed length and that both suction and liquid lines are not in direct contact with floors walls ductwo...

Страница 5: ...re to be supplied by the installer Refer to the rating plate for the maximum over current protection minimum circuit ampacity and operating voltage See wiring diagrams later in this section Install an adequately sized branch circuit disconnect per the NEC within sight of and readily accessible from heat pump The cable or conduit and fittings connected from the disconnect to the heat pump shall be ...

Страница 6: ... ground wire C 208 230 volt field supply wires WARNING Electrical Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can result in death or electrical shock T1 T2 L1 L2 L1 L2 C A B A Do not connect C common connection between indoor unit and thermostat except when required by the indoor thermostat Refer to the thermostat installation instr...

Страница 7: ...s necessary to maintain system performance The defrost control is time temperature initiated and temperature terminated with a maximum defrost time time out of 10 minutes The time between defrost cycles is preset at 60 minute intervals at the factory but can be field adjusted between 30 60 or 90 minutes To adjust the time period between defrost cycles see Adjust Time Between Defrost Cycles The def...

Страница 8: ...he test pins When the jumper is placed across the Test pins for 2 seconds the control will enter the defrost mode If the jumper is removed before an additional 5 second period has elapsed 7 seconds total the unit will remain in defrost mode until the defrost thermostat opens or 14 minutes have passed If the jumper is not removed until after the additional 5 second period has elapsed the defrost wi...

Страница 9: ...eaves and other large obstructions should be carefully removed from the heat pump surfaces without damaging the fin surface of the coil Routinely clean or change the indoor air filter Should the indoor coil become dirty thus restricting airflow call a qualified service person to carefully clean the coil surface An annual inspection by a qualified person should be performed to ensure continued qual...

Страница 10: ...10 Notes ...

Страница 11: ...11 ...

Страница 12: ..._____________________ Address ________________________________________________________ Phone number__________________________________________________ Model number __________________________________________________ Serial number __________________________________________________ Installation date ________________________________________________ 48348M005 2005 All rights reserved Registered Trademar...

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