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Summary of Contents for Cruisair SMX II
- Page 1 ❖ ❖ ❖ ❖ ❖ SMX Series Control Systems (TW) OPERATION English For Tempered Water Systems using SMX II and SMX Online Network Revised: 7-21-05 For LP-14 L-0650...
- Page 2 SMX Online Net. Multiple SMX Online Net units may be linked together in a local area network. Each unit has all of the programmable functions as the SMX II. In addition, it has "click-type" keys, two-speed blower control and optional outside temperature sensing.
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Page 3: Table Of Contents
Table of Contents THE SMX KEYPAD Adjusting Fan Speed Automatically ......9 Data Display ..............4 Adjusting Brightness Control ........9 Using the Humidity Control Routine ......9 Cooling Indicator ............4 Heating Indicator ............4 Setpoint Indicator ............4 NETWORK OPERATION Data Display Indicator .......... -
Page 4: The Smx Keypad
The SMX Keypad SMX II and SMX Online Network The SMX keypad is arranged for logical operation. The SMX II and SMX Online keypads are very similar, with minor differences as noted below. 1. Data Display. Large alphanumeric readout. Provides indication of 2. -
Page 5: Inside Temperature Indicator
Small LED to left of TEMP key. Lights when data display is showing inside temperature. and the aux heat mode. When in the automatic This LED is not available on SMX II. switchover mode, both the RUN and AUX HEAT indica- tors are lit. -
Page 6: The Convenience Panel Keypad
The Convenience Panel Keypad SMX Online Network Only The SMX Online Convenience Panel provides handy single-key control over many network functions. The Convenience Panel is normally mounted adjacent to the SMX Online Net control panel. 4. PHONE Key. Turns the telephone modem off and on. 1. -
Page 7: Resume Indicator
13. Resume Indicator. Small LED above RESUME key. Lights when the RESUME key is pressed. 14. DAY Key. Selects the daytime operating mode. Places all units in the network in the preprogrammed daytime con- figuration. See page 19 for programming. 15. -
Page 8: Basic Operation
Basic Operation SMX II and SMX Online Network Online SMX Online Network POWER ON If your boat is equipped with the optional When AC power is applied to the system at the outside thermistor, press TEMP a second time to circuit breaker, the SMX microprocessor retrieves display outside temperature. -
Page 9: Selecting Automatic Changeover
For air handler to activate in heating while in the ing to cabin lighting conditions. automatic changeover one set of the following conditions must exist: SMX II Only • The tempering unit is in the heating mode. SMX II Press the SET key once to display •... -
Page 10: Network Operation
Network Operation SMX Online Network Only To view or change the controller ID for a specific A network consists of several SMX Online units station: connected in a serial chain as shown below. Each • Enter the programming mode: SMX Online unit is assigned a controller ID code, Press OFF which serves as its unique "address"... -
Page 11: Remote Control
REMOTE CONTROL Hint Fast Slow FROM SMX ONLINE CONTROL PANEL Make sure you keep a written record of all ID numbers. A convenient form is provided in the back of this manual. We suggest that you make a copy of this list and store it To take control of a remote system from the SMX separately in case the manual is misplaced. -
Page 12: Selecting The Nighttime Configuration
SELECTING THE NIGHTTIME go ahead and enter the correct command and the # Night sign. The system will operate according to the most CONFIGURATION recently received command. Using the Convenience Panel, press NIGHT to instruct all systems in the network to operate in the Modem Commands preprogrammed nighttime mode. -
Page 13: Programming The Smx
Programming The SMX SMX control systems are programmed at the factory for average values. For optimum performance, you may wish to change these settings to suit your individual preferences. BYPASS VALVE CYCLE FACTORY MEMORY Slow DIFFERENTIAL RESET (Factory set: 1.5 degrees Fahrenheit) You can use the memory reset sequence to restore The bypass valve response differential is the amount all programmed functions to the factory settings. -
Page 14: Continuous Or Intermittent Fan
• Press and hold the DOWN key until you hear a drop in the fan noise level. As soon as the drop occurs, re- call the Cruisair Applications Department for more in- lease the DOWN key.Observe the displayed number, formation. -
Page 15: Fan Response Differential
(Factory set: +/- 1 deg. Fahrenheit) setting of 1/2 degree Fahrenheit is about right for The SMX II has one thermistor for cabin temperature. most applications, but you may wish to try a slightly The SMX Online system has both inside and outside higher setting in your salon and a lower setting in thermistors. -
Page 16: Two-Speed Or Variable Blower Control
Online SMX Online Network The SMX Online Net control can be programmed for use with variable-speed or two- speed blowers. The SMX II can only be used with variable-speed blowers. To program for variable or two-speed blower control: • Enter the programming mode. -
Page 17: Humidity Control Program
Humidity Control Program SMX II and SMX Online Network DEHUMIDIFICATION PROGRAMMING SUMMARY Climate Time Precirculation Dehumidification Period Time Time Summer Cool 6 Hrs. 10 Min. 30 Min. Moderate 8 Hrs. 10 Min. 30 Min. Tropical 6 Hrs. 20 Min. 60 Min. -
Page 18: Programming The Precirculation Time
PROGRAMMING THE PROGRAMMING THE Down Temp Temp PRECIRCULATION TIME DEHUMIDIFICATION TIME (Factory set: 10 minutes) (Factory set: 30 minutes) The precirculation time governs how long the fan The dehumidification time determines how long the runs before the bypass valve cycles on during the bypass valve operates in the dehumidification mode. -
Page 19: Programming The Network
Programming The Network SMX Online Network Only You can program the DAY, NIGHT and ABSENT modes to suit your individual preferences. We suggest that you write down these configurations and keep them in a convenient location for ready reference. PROGRAMMING THE DAYTIME CONFIGURATION Reminder . -
Page 20: Slaving Systems
Slaving Systems SMX Online Network Only The SMX Online Network permits multiple air han- SLAVING FROM THE Fast dlers to be “slaved” together, so that all of them are MASTER CONTROL Slow PANEL operated from a single master control. This is often desirable when more than one air handler is installed in a single spacious cabin, such as a main salon and the sum of the air handler amperage exceeds the... -
Page 21: Unslaving From The Master Control Panel
UNSLAVING SYSTEMS Fast Slow FROM THE MASTER CONTROL PANEL To unslave systems from master control panel: • Press SLOW, FAST and FAN simultaneously. • Use the UP or DOWN key to scroll to the ID number of the slaved unit. •... -
Page 22: Fault Shutdowns And Error Messages
• Press UP once. The display should read Version If this message occurs, contact your nearest Number. Cruisair dealer, or call the Factory Service Depart- ment in Richmond, Virginia (804-746-1313) for • Press SLOW until display reads F2. assistance. -
Page 23: Id Form
ID Programmed Settings Form Use this table to record your programmed settings. Location Night Absent Salon Galley Fly Bridge Pilot House Forward Stateroom Aft Stateroom Port Stateroom Starboard Stateroom Stateroom 1 Stateroom 2 Stateroom 3... -
Page 24: Revised: 7
(such as engines, generators, power plants, or oil-fired heaters, etc.) At any time, the exhaust VENTILATION - To cool or heat air, CRUISAIR, MARINE AIR and GRUNERT system of such devices could fail, resulting in a build-up of LETHAL gases within components are designed to move air through a heat exchanger by a blower or the closed area.
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