NHZ Hazardous location cooling units

SpectraCool Hazardous Location solutions are engineered specifically for hazardous location cooling, including: onshore and offshore oil & gas, chemical & petrochemical, mining, pharmaceutical, and any location with potentially hazardous atmospheres created by vapor.

CE Declaration of Conformity Declaration of Compliance EAC cULus_UL Listed
Feature: IP 56 Type 4, 4X.
NHZ
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Item list

Item no. Description Height
(mm)
Width
(mm)
Depth
(mm)
Weight
(kg)
Cooling capacity 35 ºC/35 °C at 50 Hz
(W)
Cooling capacity 55 °C/55 °C at 50 Hz
(W)
NHZ431246G400 Cooling capacity 3047 W, 400 V 1092 292 356 63 2517 2945
NHZ431226G400 Cooling capacity 3047 W, 230 V 1092 292 356 58 2628 2915
NHZ431216G400 Cooling capacity 3047 W, 115 V 1092 292 356 58 2777 3103
NHZ360846G400 Cooling capacity 2416 W, 400 V 915 292 356 52 2014 2277
NHZ360826G400 Cooling capacity 2416 W, 230 V 915 292 356 48 1950 2306
NHZ360816G400 Cooling capacity 2416 W, 115 V 915 292 356 48 2058 2405
NHZ360646G400 Cooling capacity 1581 W, 400 V 915 292 356 47 1633 1553
NHZ360626G400 Cooling capacity 1581 W, 230 V 915 292 356 45 1512 1603
NHZ360616G400 Cooling capacity 1581 W, 115 V 915 292 356 45 1439 1637
NHZ280446G400 Cooling capacity 1114 W, 460 V 711 292 356 44 1086 1250
NHZ280426G400 Cooling capacity 1114 W, 230 V 711 292 356 38 1086 1250
NHZ280416G400 Cooling capacity 1114 W, 115 V 711 292 356 38 1100 1150

For painted galvanized steel Type 4 models, stainless steel Type 4X offshore models and remote access control models, please contact your local nVent HOFFMAN sales representative.

Range Mandatory Accessories Related Accessories Similar accessories Description
VHL - - Hazardous Location Vortex A/C

Technical data

Description:

SpectraCool Hazardous Location is the air conditioning solution engineered specifically for hazardous location cooling, not rebuilt from light industrial air conditioners. It features an attractive design with no heavy cast enclosure and minimal use of visible fasteners. Thanks to its narrow sizing, it can accommodate 12 in (300 mm) deep cabinets. SpectraCool Hazardous Location does not require purge and pressurized system. Units have a corrosion resistant coating on ambient side components for Type 4X models. R134a earth-friendly refrigerants. Easy-mount flanges for simple installation.

Material:

Type 4X models: Stainless steel 316L.

Operating temperature:

-40 to + 55 ºC (+52 ºC for NHZ28 Series and NHZ43 Series 115 V).

Type of connection:

Terminal block.

Protection:

IP 56 | Type 4, 4X.

Approvals:

CE, cULus listed File No. E469720.; Class 1 Div 2 Groups A, B, C, D T4A

Scope of delivery:

Active condensate management with heater strip. Compressor heater. Head pressure control. Power-off relay for door switch and other system requirements. Malfunction switch. Cleanable, reusable aluminium mesh filter to protect coils from extremely dusty and dirty atmospheres. Dust resistant coils for filterless operation in most environments. Digital temperature control on the enclosure side.

Features

Feature:

Air conditioner with hazardous location classification Class 1 Div 2 Groups A, B, C, D T4A.

Benefit:

Time and cost savings in the end-use investigation process of the final assembly.

Advantage:

Certification of final assembly is easier if installed components are classified for hazardous locations.

Image (JPG 800 x 800 px) NHZ 25 KB
Mounting instructions document (PDF) NHZ28 Mounting instructions 2 MB
Mounting instructions document (PDF) NHZ36 Mounting instructions 2 MB
Mounting instructions document (PDF) NHZ43 Mounting instructions 2 MB
Product sheet (PDF) NHZ 1 MB
Product sheet (PDF) NHZ(RUSSIAN) 280 KB
Document (PDF) CE Declaration of Conformity 88 KB
Document (PDF) Declaration of Compliance 77 KB
Document (PDF) EAC 2 MB
Document (PDF) cULus_UL Listed 679 KB