Sequence 1000 Series
Sequence 1000 シリーズポンプ ユーザーマニュアル
Models: 3200SEQ20, 4300SEQ20, 5000SEQ22, 5800SEQ23
1. はじめに
Sequence centrifugal pumps are engineered for high energy efficiency, delivering exceptional water volume (GPH) relative to power consumption. These pumps are specifically designed to meet the demanding requirements of ponds, waterscapes, aquaculture, and large hydroponic systems. Investing in a quality pump like the Sequence 1000 Series ensures years of reliable service and significant savings on electricity costs.
They are robust workhorses, providing substantial flow rates with sufficient pressure head to support biological filters and moderate height waterfalls. Their versatility also makes them ideal for transfer and re-circulation in filtration systems, water features, streams, fountains, and hydroponic setups.

Figure 1: Sequence 1000 Series Pump. This image displays the pump's overall design, featuring the robust black motor connected to the light grey pump housing, secured by multiple bolts. The inlet and outlet ports are visible, indicating its non-submersible design.
2. セットアップとインストール
2.1 開梱と検査
Carefully remove the pump from its packaging. Inspect the pump for any signs of shipping damage. Ensure all components are present as listed in the packing slip (not provided here, but implied for a real manual).
2.2 配置
The Sequence 1000 Series pumps are designed for out-of-pond construction そして NOT submersible. Place the pump on a stable, level surface in a dry, well-ventilated area, protected from direct sunlight and extreme weather conditions. Ensure adequate space around the pump for air circulation and future maintenance.
2.3配管接続
The pump features 1.5 FNPT suction and 1.5 FNPT discharge ports. Use appropriate plumbing fittings (preferably plastic, as indicated on some models) to connect the pump to your system's intake and output lines. Ensure all connections are watertight to prevent leaks and maintain prime. It is recommended to use unions for easy removal during maintenance.

図2: 前面 view of the pump. This image highlights the pump's suction port and clearly visible text indicating to "USE PLASTIC FITTINGS ONLY" for optimal performance and longevity.
2.4 電気接続
The units are pre-wired with an 8-foot cord and a molded 115V plug. Connect the pump to a properly grounded 115V electrical outlet. Ensure the circuit is protected by a Ground Fault Circuit Interrupter (GFCI) for safety, especially in outdoor or wet environments. Do not use extension cords unless absolutely necessary and ensure they are rated for outdoor use and the pump's power requirements.
3. 運用ガイドライン
3.1 ポンプの呼び水
Before initial startup, the pump must be primed. This involves filling the pump housing and suction line with water to remove any air. Refer to your system's specific priming procedure. Never run the pump dry, as this can cause severe damage to the mechanical seals.
3.2 起動と停止
Once primed, connect the pump to the power supply. The pump should start immediately. To stop the pump, disconnect it from the power supply. For systems requiring frequent on/off cycles, consider using a timer or control panel.
3.3パフォーマンス特性
Sequence pumps are known for their high flow rates and energy efficiency. The actual flow rate will depend on the total dynamic head (resistance from plumbing, filters, and elevation changes) of your system. Refer to the specifications section for maximum flow and head ratings for each model.

図3:側面 view of the pump. This perspective provides a clear view of the motor's cooling fins and the robust construction of the pump housing, emphasizing its durability and design for continuous operation.
4. お手入れとメンテナンス
4.1 定期検査
Periodically inspect the pump for any signs of wear, leaks, or unusual noises. Check electrical connections for corrosion or damage. Ensure the area around the pump remains clear of debris to allow for proper ventilation.
4.2 クリーニング
The pump housing and motor can be wiped clean with a damp cloth. Do not use harsh chemicals or abrasive cleaners. For internal cleaning, such as clearing impeller blockages, disconnect power and follow proper disassembly procedures (consult a qualified technician if unsure).
4.3 冬季対策(該当する場合)
In regions subject to freezing temperatures, the pump must be drained and stored in a frost-free environment during winter months to prevent damage from freezing water.
4.4 Mechanical Seals
The pump features dry run resistant mechanical seals, which offer enhanced durability. However, continuous dry running should be avoided as it can still lead to premature wear.
5。 トラブルシューティング
This section provides solutions to common issues. For problems not listed or if issues persist, contact customer support.
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| ポンプが始動しない | No power; tripped GFCI/breaker; motor issue | Check power connection; reset GFCI/breaker; consult technician |
| 流量が少ない、または流量がない | Pump not primed; clogged impeller/intake; air leak in suction line; excessive head pressure | Re-prime pump; clear obstructions; check all connections for leaks; verify system design |
| 過度の騒音/振動 | Cavitation (air in pump); foreign object in impeller; worn bearings | Ensure proper priming; inspect/clear impeller; contact technician for bearing issues |
| ポンプからの水漏れ | Loose fittings; damaged mechanical seal; cracked housing | Tighten fittings; replace mechanical seal; contact technician for housing damage |
6. 技術仕様
The following table outlines the key specifications for the Sequence 1000 Series Pumps:
| 仕様 | 価値 |
|---|---|
| ブランド | 順序 |
| メーカー | MDM |
| 材料 | Stainless Steel (hardware), Glass-filled Polypropylene (housing) |
| 電源 | 115V AC (pre-wired) |
| Suction Port Size | 1.5 個 |
| Discharge Port Size | 1.5 個 |
| モータータイプ | TEFC(全閉ファン冷却) |
| ハウジング材質 | High strength, glass filled polypropylene |
| メカニカルシール | Dry run resistant |
| コードの長さ | 8フィート |
| アイテム重量 | 28.9ポンド |
| パッケージ寸法 | 18.98 x 11.1 x 10.75インチ |
| 欧州連合 | 850012080039 |
6.1 Model-Specific Performance Data
| モデル | 馬力 | マックスヘッド | Max Flow (USgph) | Max Draw (Watts) |
|---|---|---|---|---|
| 3200SEQ20 | 1/8 HP | 20 MAX HEAD | 3200 | 213 |
| 4300SEQ20 | 1/6 HP | 20 MAX HEAD | 4300 | 253 |
| 5000SEQ22 | 1/4 HP | 22 MAX HEAD | 5000 | 333 |
| 5800SEQ23 | 1/3 HP | 23 MAX HEAD | 5800 | 396 |
7. 保証とサポート
7.1 限定保証
The Sequence 1000 Series Pumps come with a 3年間の限定保証. This warranty covers defects in materials and workmanship under normal use and service. Please retain your proof of purchase for warranty claims. For full warranty terms and conditions, refer to the documentation included with your product or contact the manufacturer.
7.2 カスタマーサポート
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Sequence customer support. Contact information can typically be found on the manufacturer's website or on the product packaging. When contacting support, please have your pump's model number and serial number ready.