1. Pengenalan
The Intermatic FM1STUZH-120U Electromechanical Timer Module is designed for integration into machine control panels, circuit boards, or other equipment. This module provides 24-hour scheduling with a 21 Amp switching capacity, suitable for controlling various electrical loads. Applications include heating, ventilation, air conditioning, refrigeration, lighting, security systems, circulating pumps, spas, and other OEM applications requiring precise 24-hour timing. The unit features a manual override switch for flexible operation.
2. Ciri-ciri
- Voltage and Switch: 120 VAC, 21 Amp SPDT (Single Pole Double Throw) switch.
- Masa: 24-Hour operation with 96 captive trippers, allowing 15-minute interval settings.
- Pembatalan Manual: Integrated switch for manual control (ON, AUTO, OFF).
- Sambungan: 1/4-inch quick-connect terminals for easy wiring.
- Ketahanan: Noise immune design, suitable for robust industrial and commercial applications.
- memandu: Synchronous drive mechanism.
- Kemudahan Penggunaan: Clear clock face for straightforward time setting.
- Reka bentuk padat: Small footprint for versatile installation.
- Optional Cover: Compatible with clear plastic cover (DC-FME-A, sold separately).
3. Spesifikasi
| Nombor Model | FM1STUZH-120U |
| Bekalan Voltage | 120 VAC |
| Penggunaan Kuasa | 1 VA |
| Jenis Suis | SPDT |
| Tukar Peringkat | 21A Resistive @ 120-250 VAC 1 HP @ 120 VAC 2 HP @ 250 VAC 1350 W Tungsten @ 240 VAC |
| Sambungan Pendawaian | 1/4" quick-connect terminals |
| Suhu Operasi | -4°F hingga 185°F (-20°C hingga 85°C) |
| Dimensi (H x W x D) | 2.36" x 2.36" x 1.25" (60mm x 60mm x 32mm) |
| Berat Barang | 3.2 auns |
| bahan | Keluli |
| Jenis Pemasangan | Pemasangan Panel |
Catatan: Spesifikasi boleh berubah tanpa notis.
4. Pemasangan
Keselamatan Diutamakan: Before beginning any installation, ensure that the main power supply to the circuit is disconnected at the breaker or fuse box to prevent electrical shock.
- Pemasangan: The FM1STUZH-120U is designed for panel mounting. Secure the timer module firmly within the machine control panel, circuit board, or other designated equipment using appropriate fasteners.
- Pendawaian: Connect the electrical leads to the 1/4-inch quick-connect terminals. Refer to the wiring diagram below for correct terminal connections. Ensure all connections are secure and properly insulated.
- Sahkan Sambungan: Double-check all wiring against the diagram to ensure proper installation and prevent damage to the unit or connected equipment.
- Pulihkan Kuasa: Setelah pemasangan selesai dan disahkan, pulihkan kuasa ke litar.

Imej 1: Manual page showing features, ratings, and wiring connections for the FM1STUZH-120U timer module. This diagram illustrates the physical dimensions and electrical specifications.

Imej 2: Manual page detailing various timer module specifications, including a diagram of product dimensions and terminal connections. It also shows the 3-way manual override switch operation.
5. Operasi

Imej 3: Depan view of the Intermatic FM1STUZH-120U Electromechanical Timer Module, showing the clock face, captive trippers, and manual override switch.
- Menetapkan Masa Semasa: Rotate the clock dial in the direction of the arrow until the current time aligns with the time indicator mark. The clock face is marked with AM/PM for clarity.
- Menetapkan Masa HIDUP/MATI: The timer features 96 captive trippers around the dial, each representing 15 minutes. To set an ON period, push the trippers outwards for the desired duration. To set an OFF period, leave the trippers in their inward position.
- Suis Override Manual: The module includes a 3-way override switch (often labeled ON, AUTO, OFF or similar symbols).
- Kedudukan ON: Forces the connected load to remain ON, overriding the programmed schedule.
- Kedudukan AUTO: Allows the timer to operate according to the programmed ON/OFF schedule.
- Kedudukan OFF: Forces the connected load to remain OFF, overriding the programmed schedule.
6. Penyelenggaraan
The Intermatic FM1STUZH-120U Electromechanical Timer Module is designed for reliable, long-term operation with minimal maintenance. Regular inspection of wiring connections for tightness and signs of wear is recommended. Keep the unit free from dust and debris. No user-serviceable parts are inside; refer to qualified personnel for any repairs beyond basic installation and operation.
7. Penyelesaian masalah
- Pemasa Tidak Beroperasi: Check the power supply to the module. Ensure the manual override switch is in the 'AUTO' position. Verify that the captive trippers are correctly set for ON periods.
- Load Not Switching: Confirm that the load is properly connected to the timer's output terminals. Check the load itself for functionality. Ensure the timer is receiving power and the internal mechanism is rotating.
- Masa yang salah: Verify that the current time is accurately set on the dial. Ensure the ON/OFF trippers are correctly positioned for the desired schedule.
- Operasi sekejap: Inspect all wiring connections for looseness or corrosion. Ensure the operating environment is within the specified temperature range.
If issues persist after performing these checks, contact Intermatic customer support or a qualified electrician.
8. Waranti dan Sokongan
For warranty information, technical support, or service inquiries regarding your Intermatic FM1STUZH-120U Electromechanical Timer Module, please refer to the official Intermatic weblaman web atau hubungi jabatan khidmat pelanggan mereka secara langsung. Simpan resit pembelian anda sebagai bukti pembelian untuk tuntutan jaminan.
Intermatic Contact Information:
Webtapak: www.intermatic.com
Rujuk kepada website for current contact numbers and support resources.





