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Air Conditioning & Ventilation System

Air Conditioning System:

CRUISAIR Tempered Water System (chilled water) ten (10) tons, 2-stage, 208 volt AC - 230 volt AC, 3-phase 60 Hz per PAE design

Modular Tempered Unit: #FMTC2X5HDC framed chiller, ten (10) tons, 2-stage, 208 volt - 230 volt 60 Hz, 3-phase

Control Panel: MPEDR2UDC1 TWLC2-Unit Panel, two (2) Pump Relays, 230 volt, 3-phase

Air Handlers 162 Btu/hr total 230 volt AC 60 Hz :

Three (3) x AT9HVZ-FC-1.5 kW 6" (16.2 cm) MR 230 volt - lower cabins and heads

Two (2) x AT12HVZ-FC-2 kW 6" (16.2 cm) MR 230 volt - master stateroom and head

Two (2) x AT24HVZ-FC-3 kW 8" (20.3 cm) MR 230 volt - galley/salon

Two (2) x AT24HVZ-FC-3 kW 8" (20.3 cm) MR 230 volt - wheelhouse/head

One (1) x AH24SLL-Z BFC/COS/CBBL/HRNS - engine room

Circ Pump: CPOD180B3X

Sea Water Pump: PS2100B3X

Room Controllers:

Six (6) x SMXHT, SMX LCD key pad/display, grey

Six (6) x PLTX-HVSTAT, SMXII PWR LGC BX for TW/New HV board

Three (3) x CXP30 cable interconnect 30' (9.4 m) SMXir

Three (3) x CXP10 cable interconnect 10' (3.05 m) SMXir

Six (6) x TSEP5 cable temp sensing element with RJ-11 5'-3" (160 cm)


EXT240 expansion tank-TW-bladder

BFC42 balancing flow control

1060915 automatic vent

1070200 backflow preventer valve

1070201 pressure regulator valve

1060915 vent auto 30 gallons (113.56 liters) per minute Max Flow 1.5

1010015 strainer

763300006 VFD31-3C/5D 230 volt 17.5A 60 Hz

Engine Room Ventilation System

Two (2) intakefFans - Multifan model #4E50-240 volt 60 Hz 20" (50.8 cm) diameter rated at 4638 CFM @ 0.0" SP

Two (2) exhaust fans - Multifan model #4E50-240 volt 60 Hz 18" (47.5 cm) diameter rated at 4,638 CFM @ 0.0" SP. Two (2) FRP louvered vents on port and starboard side deck at forward end of engine room with screened blower inlet

Fire/smoke dampers – Ruskin low leakage control damper, (18" x 18") (47.5 cm x 47.5 cm) - stainless steel rear flanged equipped with a side mounted Honeywell H-2024 (24 volt DC) fast-acting, 2-position actuator. One (1) damper each installed on the engine room side of each blower for easy access, four (4) total. Each damper will be normally open and will close on SEAFIRE actuation

Two (2) intake fans and two (2) exhaust fans have adjustable speed controls Grainger #3C955 to adjust engine room air flow

Auto blower stop and damper closure on enginerRoom SEAFIRE actuation (See Fire Protection System)

Note: See Noise Control item F


Two (2) exhaust blowers - Dayton 1TDT6 110 volt 60 Hz 10" (25.4 cm) diameter rated at 428/283 each CFM @ 0.0" SP. Intake air will be passive from holes in the cockpit lockers - (2) two speed switches #IDG29

One (1) General Service temperature switch - bulb and capillary type, range 1-150 degrees F, SPDT rated at 15 amps at 125/480 volt AC. McMaster-Carr # 47525K62. Switches wired in blower circuit with contacts closing on rising temperature

Auto blower stop on SEAFIRE actuation in the compartment


One (1) exhaust blower each head - Jabsco Model #36770-0115 rated at 250 CFM 120 volt AC

One (1) Imtra on/off switch with indicator light for each head

Ducting is to be 4" (10.2 cm) I.D


One (1) supply blower for master, and lower staterooms (3 total). McMaster-Carr model #19135K85 rated at 122 CFM 120 volt AC. On/off wall switch for blower start and stop

Blower located to insure minimal noise in stateroom

Ducting is to be 4" (10.2 cm) I.D.

Cabin intake air is to come from a louvered intake from outside the boat and ducted to the stateroom

*Specifications subject to change without notice and at the discretion of designers and builders.
**Dimensions are subject to change with Buyer’s selected options and personal effects which may add to displacement and increase both draft and waterline length



Nordhavn Fleet