Delta RowCool CW In-Row Chilled Water Cooling 30.8-92.6 kW. Model RowCool CW.

Product Overview

RowCool CW brings close-coupled cooling to facilities with a chilled water plant. The documented range covers four models – CW-29, CW-43, CW-70 and CW-95 – delivering 30.8, 43.4, 69.3 and 92.6 kW respectively at condition 1, with cooling water flow rates of 68.3, 80, 111.2 and 120 LPM and unit weights from 185 to 415 kg.

Network management is via SNMP and Modbus RTU. Delta’s specification page lists an operating ambient of 4-40 degC and GR63 Zone 4 seismic compliance, making the series suitable for demanding carrier and enterprise data center environments.

Key Features

• In-row chilled water cooling for hot-aisle / close-coupled deployments
• Four sizes CW-29/43/70/95 delivering 30.8/43.4/69.3/92.6 kW at condition 1
• Cooling water flow rates 68.3 / 80 / 111.2 / 120 LPM
• SNMP and Modbus RTU network management
• GR63 Zone 4 seismic compliance
• Operating ambient 4-40 degC; unit weights 185-415 kg

Specifications

RowCool CW vs RowCool R: chilled water or DX for your row?

The biggest decision around the Delta RowCool family is not which brand to buy – it is which heat-rejection path your facility can support. RowCool CW is a chilled water (CW) unit: it removes heat from the hot aisle using water supplied by a chilled water plant, so the unit itself carries no compressors inside the white space. RowCool R is a DX (direct expansion) unit: it carries its own compressor circuit and rejects heat outdoors via refrigerant piping to a condenser.

The practical selection rule is simple. If your building or campus already operates a chilled water loop – typical for carrier hotels, enterprise campuses and colocation halls with central plants – the CW series lets you tap that loop directly, keeps compressors out of the data hall and scales capacity by adding water coils rather than refrigerant circuits. If the site has no central cooling source, choose the Delta RowCool R DX series (30 / 45.6 kW), which only needs outdoor condenser space and power. Capacity coverage also differs: CW spans four models from 30.8 up to 92.6 kW at condition 1, while DX tops out at 45.6 kW.

Matching RowCool CW capacity to your chilled water loop

Four frame sizes cover the range: CW-29 (30.8 kW), CW-43 (43.4 kW), CW-70 (69.3 kW) and CW-95 (92.6 kW), with cooling water flow rates of 68.3 / 80 / 111.2 / 120 LPM respectively. At a typical AI-era rack density of 5-8 kW, that translates to roughly 4-6 racks for a CW-29, 6-8 for a CW-43, 9-13 for a CW-70 and 12-18 for a CW-95. Because flow rate drives loop sizing, always share your per-rack load profile and target supply water temperature with the design engineer so the loop, headers and balancing valves are sized together – an undersized loop will cap real cooling output below nameplate.

For rows above one unit, plan N+1 by adding one extra CW frame per row rather than oversizing a single unit, and stagger their duty so each machine runs in its efficient band. If you are benchmarking alternatives before committing, our Vertiv Liebert CRV chilled water series comparison page shows how competing CW in-row units line up on capacity and footprint.

Deploying RowCool CW in an existing chilled water row

Retrofitting CW units into a live row is mostly a water-side exercise: reserve the frame slot in the row, route the supply and return branches with isolation valves and flexible hoses for swap-out, and air-balance the row so hot-aisle exhaust actually reaches the coil. The rated operating envelope is 4-40 degC ambient with GR63 Zone 4 seismic compliance, so the series suits carrier-grade rooms and seismic zones. Monitoring is native SNMP and Modbus RTU, which ties the unit into the same DCIM layer as the rest of the row. In rooms without any chilled water source at all, pair a DX row unit with a room-level Liebert PEX3 instead, or ask us to price a small dedicated chiller as part of the package.

Frequently Asked Questions

How do I choose the right Delta RowCool CW for my site?

Consider capacity, site power, environment and monitoring needs. Share your requirements with BS Comtec and we will compare suitable models from multiple brands for you.

Is Delta RowCool CW compatible with my existing equipment?

Compatibility depends on your electrical infrastructure and connected devices. Our engineers can review your setup and confirm interfaces and integration before you order.

Does BS Comtec ship Delta RowCool CW internationally?

Yes. BS Comtec ships worldwide and freight options depend on destination, weight and urgency. Contact us for a shipping quote to your location.

What warranty and after-sales support are available for Delta RowCool CW?

Warranty follows the manufacturer policy for your region, and BS Comtec provides technical documentation and engineer-level support throughout the project.

Does Delta RowCool CW need a chilled water plant on site?

Yes. RowCool CW is a chilled water unit and expects a working CHW loop – from a building plant, a campus chiller or a dedicated chiller. If your site has no central cooling source, the DX-based Delta RowCool R series is the better fit since it rejects heat outdoors via its own refrigerant circuit.

How many racks can one Delta RowCool CW-95 support?

At condition 1 the CW-95 delivers 92.6 kW, which covers roughly 12-18 racks at a typical 5-8 kW per rack. Keep N+1 headroom by adding an extra unit per row instead of running a single CW-95 at 100% duty.