1. Увод
The White-Rodgers 8A18Z-2 is an evaporative cooling control panel designed to manage single-stage evaporative cooling systems. This control panel is intended for use in conjunction with the White-Rodgers 1F51N-619 thermostat. It features an integral transformer for 120 VAC or 240 VAC to 24 VAC operation, separate fan and pump relays, and options for high or low fan speed selection. Its lightweight, weather-resistant plastic case meets relevant code requirements.
2. Безбедносне информације
УПОЗОРЕЊЕ: Installation and servicing of this control panel must be performed by a qualified technician. Disconnect all power to the unit before installing or servicing to prevent electrical shock or equipment damage.
- Always follow local electrical codes and ordinances.
- Ensure proper grounding of the control panel.
- Do not operate the unit with damaged wiring.
- Држите децу даље од електричних компоненти.
- This control panel is designed for evaporative cooling applications only.
3. Садржај пакета
Пре почетка инсталације проверите да ли су све компоненте присутне:
- White-Rodgers 8A18Z-2 Evaporative Cooling Control Panel
- Упутства за инсталацију (ово упутство)
- Note: The White-Rodgers 1F51N-619 thermostat, required for operation, is sold separately.
4. Подешавање и инсталација
The 8A18Z-2 control panel is designed for wall mounting. Ensure the mounting location is protected from direct weather exposure and allows for proper ventilation.
4.1 Монтажа контролне табле
- Select a suitable wall location near the evaporative cooler unit and a power source.
- Отворите поклопац контролне табле.
- Secure the control panel to the wall using appropriate fasteners through the designated mounting holes.
4.2 Упутства за ожичење
The relay panel is removable for easier field wiring. Refer to the wiring diagram provided inside the control panel cover for specific connections. Ensure all connections are secure and comply with local electrical codes.
- Напајање: Connect the 120 VAC or 240 VAC power supply to the integral transformer terminals as indicated.
- Повезивање термостата: Connect the White-Rodgers 1F51N-619 thermostat to the low voltage terminals (24 VAC) on the control panel.
- Прикључци вентилатора: Connect the evaporative cooler fan motor wires to the fan relay terminals. Select either high or low fan speed as desired.
- Прикључци пумпе: Connect the evaporative cooler pump motor wires to the pump relay terminals.

Figure 1: White-Rodgers 8A18Z-2 Evaporative Cooling Control Panel. This image shows the compact, grey plastic enclosure of the control panel, designed for wall mounting and housing the internal relays and transformer for evaporative cooler operation.
5. Упутство за употребу
Once properly installed and wired, the 8A18Z-2 control panel operates in conjunction with the connected 1F51N-619 non-programmable thermostat.
- Укључено: After installation, restore power to the control panel.
- Контрола термостата: Use the connected 1F51N-619 thermostat to set the desired temperature and operating mode (e.g., Cool, Fan Only).
- Избор брзине вентилатора: The control panel allows for selection between high and low fan speeds. This setting is typically configured during installation via wiring connections or jumpers on the relay board. Consult the wiring diagram for details.
- Evaporative Cooling Cycle: When the thermostat calls for cooling, the control panel will activate the pump to saturate the cooler pads and then activate the fan to circulate cooled air.
6. Одржавање
The White-Rodgers 8A18Z-2 control panel requires minimal maintenance. Regular inspection is recommended to ensure optimal performance.
- Годишња инспекција: Annually, or before the cooling season, inspect the control panel for any signs of wear, damage, or loose connections.
- Чишћење: Keep the exterior of the control panel clean and free of dust and debris. Use a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Провера ожичења: Periodically check all wiring connections to ensure they are tight and free from corrosion.
КСНУМКС. Решавање проблема
Before troubleshooting, ensure all power to the unit is disconnected.
| Проблем | Могући узрок | Решење |
|---|---|---|
| No power to control panel or thermostat |
|
|
| Вентилатор не ради |
|
|
| Пумпа не ради |
|
|
Ако проблеми и даље постоје након покушаја ових решења, контактирајте квалификованог HVAC техничара.
8. Спецификације
| Модел | 8А18З-2 |
| Тип | Evaporative Cooling Control Panel |
| Компатибилност | Designed for use with White-Rodgers 1F51N-619 thermostat |
| Улазни волtage | 120 ВАЦ или 240 ВАЦ |
| Оутпут Волtage (Thermostat) | 24 ВАЦ |
| Combined Relay Loads (Full Load) | 16.0 А @ 120 ВАЦ, 8.0 А @ 240 ВАЦ |
| Combined Relay Loads (Locked Rotor) | 96.0 А @ 120 ВАЦ, 48.0 А @ 240 ВАЦ |
| Fan Relay (Full Load) | 12.0 А @ 120 ВАЦ, 6.0 А @ 240 ВАЦ |
| Fan Relay (Locked Rotor) | 72.0 А @ 120 ВАЦ, 36.0 А @ 240 ВАЦ |
| Pump Relay (Full Load) | 10.0 А @ 120 ВАЦ, 5.0 А @ 240 ВАЦ |
| Pump Relay (Locked Rotor) | 60.0 А @ 120 ВАЦ, 30.0 А @ 240 ВАЦ |
| Материјал | Weather-resistant plastic case |
| Боја | Греи |
| Тип монтаже | Валл Моунт |
| Тежина артикла | 8 фунти (приближно 3.6 кг) |
9. Гаранција и подршка
For warranty information and technical support, please contact White-Rodgers customer service or visit their official webсајту. Сачувајте рачун о куповини за гаранције.
White-Rodgers Contact Information:
- Webсајт: www.emerson.com/en-us/automation/commercial-residential-solutions/white-rodgers
- Refer to product packaging or the White-Rodgers webсајт за тренутне контакт бројеве и радно време подршке.