Remote Thermostat Control
Heat Pump Models
The Zoneline® 3800 and 5800 Series heat pump units may be connected to a
RAK147 — | RAK148D1 — | RAK148P1 — |
mechanical | ||
manual | manual | programmable |
changeover | changeover | |
thermostat | thermostat | thermostat |
requiring 6 | requiring 6 | requiring 6 |
connection wires. | connection wires. | connection wires. |
Please see page 57 for installation recommendations for the remote thermostat wiring. Compatibility of other thermostats considered for use with the GE Zoneline® is the responsibility of the customer.
The control voltage on the remote control conductors is 24 VAC.
The Class 2 Mode Switch, dip switch #4 on the auxiliary control board on both the 3800 series and the 5800 series, must be set to the ON/UP mode to enable remote thermostat control. Refer to installation instructions packaged with the chassis.
The fan speed for the 3800 and 5800 series in remote thermostat operation is selected by the connection of the fan wire from the thermostat to either the HIGH or LOW terminal on the unit. See the sketch of the unit terminals for the location of the HIGH and LOW fan speed terminals. Operating the unit in low fan speed reduces the operating sound level of the unit.
When connected to a remote thermostat, the indoor air temperature sensing is shifted from the unit to the remote thermostat. For this reason, the units will operate slightly differently when connected to a remote thermostat. The following chart shows the unit operation when connected to a remote thermostat.
Temperature Boost option should not be used with remote thermostat operation since this will cause the unit to switch to resistance heat when outdoor temperatures are below 46ºF.
Feature | Heat Pump | Electric Heat |
Indoor Frost Control | Yes | Yes |
Freeze Sentinel | Yes | Yes |
Auto Fan Speed | No | No |
Electronic |
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Temperature Limiting | No | No |
Switch to Resistance |
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Heat Based On Indoor | Determined by |
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Temperature | Remote Thermostat | N/A |
Switch to Resistance |
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Heat Based On |
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Outdoor Temperature | Yes | N/A |
Reverse Cycle Defrost | Yes | N/A |
Simultaneous |
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Resistance Heat |
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with Heat Pump | No | N/A |
Resistance Heat |
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Lockout | Yes | N/A |
“Smart Fan” | Fan ON/AUTO Set On | Fan ON/AUTO Set On |
Fan Cycle | Remote Thermostat | Remote Thermostat |
Central Desk Control | Yes | Yes |
Field Wiring Terminal
R | — 24V AC | GL | — |
GH — | B | — Reversing Valve | |
Y | — Compressor | W | — Heater |
C | — Common - Ground |
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R GL GH | B Y W C | |||||||||
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| Common — Ground |
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| White — Heater |
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| Yellow — Compressor |
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| Black — Reversing Valve |
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| Green — |
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| Green — |
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| Red — 24V AC |
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Remote Thermostat Control Selection Chart For Zoneline Packaged Terminal Units
Zoneline Series | Thermostat Model | Type | Function |
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2800 | RAK163A1 | Mechanical |
| 4 |
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| Cooling and Heating |
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| RAK164D1 | Digital | 5 | |
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| RAK164P1 | Digital Programmable |
| 5 |
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3800 and 5800 | RAK147 | Mechanical | Single Stage Cooling – | 6 |
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| RAK148D1 | Digital | 6 | |
| 2 Stage Heating | |||
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| RAK148P1 | Digital Programmable | 6 | |
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Thermostat wire size – up to 60 feet AWG20 – up to 66 feet AWG18
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