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PN 20009722 REV E, [02/11/2015]

CAW INFRARED CONTROL SYSTEM - OVERVIEW

DIP Switch

Setting

Operation

Factory

Setting

Test mode

YES

Enables Test Mode

. Timers are shortened, quick

operational testing.

• Anti-short-cycle time reduces from 3 minutes to 45

seconds.

• Minimum on-time reduces from 2 minutes to 30

seconds.

• Post-purge time reduces from 60 to 15 seconds.
• Stagger start time reduces from 30 to 7.5 seconds.

isables Test Mode.

Louver oscillation

(for wall mounted

thermostat mode only)

If DIP Switch #4 is YES,

enables louver oscillation

during

operation.

OFF

Off

If DIP Switch #4 is YES,

disables louver oscillation

during

operation.

Fan speed setting

(for wall mounted

thermostat mode only)

HIGH

While DIP Switch #4 is YES, selects fan speed

HIGH

HIGH

LOW

While DIP Switch #4 is YES, selects fan speed

LOW

Select infrared handheld

controller or wall

mounted thermostat

control

YES

Disables infrared hand controller

and enables wall

mounted thermostat operation. Enables dip switches #3 and

#2.

Clean filter time automatically defaults to 1000 hours.

YES

Enables infrared hand controller

and disables wall

mounted thermostat operation.

Table 3 - CAW Microprocessor Controller — Dip Switch Settings

Содержание Ductless Series

Страница 1: ...ional Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com Ductless Series Fan Coil Air Handlers CAW FAN COIL CASSETTE AIR HANDLER Installation Operation and Maintenance Manual MODELS CAW 08 12 MODELS CAW 18 20 MODELS CAW 33 36 ...

Страница 2: ...8 UL 1995 Check our website frequently for updates www enviromaster com Receiving Information 3 Important Safety Information 4 General Product Information 5 Dimensional Physical Data 6 Unit Mounting 9 Features 11 Condensate Piping 12 Duct Connections 13 Final Assembly 14 Electrical Wiring 16 Thermostat Operation 19 CAW Wall Mounted Thermostat Operation 20 Sequence Of Operation CAW Infrared Control...

Страница 3: ...e When calling for assistance please have following information ready Model Number_________________________ Serial Number_________________________ Date of installation______________________ Receiving Inspection Inspect unit for damage Report any shipping damage to carrier immediately Check rating plate on unit Verify power supply meets available electric power for installation Verify unit received...

Страница 4: ...this manual and understand all requirements before beginning installation WARNING Tampering with this unit is dangerous and could result in death or serious injury Do not modify or change this unit Safety Information Have a qualified service agency install and service this appliance Turn off electrical supply before servicing unit Do not have other devices such as fire alarm circuits BMS circuits ...

Страница 5: ...scharge locations use two non adjacent sides Fresh air intake capability with two knockout locations Four plastic air vanes motor driven with auto sweep or fixed position stop setting on models 18 36 Models 08 12 are equipped with manually adjusted air vanes Fans are backward curved impeller centrifugal design dynamically and statically balanced and mounted on integral mounting rails Single fan mo...

Страница 6: ...8 12 3 2 5 8 7 3 3 7 3 5 FEATURES 1 Optional Discharge Knockouts 5 Diameter 3 Available 2 Fresh Air Inlet Knockouts 1 x 2 Inches 2 Available 3 Condensate Discharge Inch Diameter 4 Chilled Water IN 5 8 5 Chilled Water OUT 5 8 6 Condensate Pump Access Panel 7 Hot Water IN 8 Hot Water OUT ...

Страница 7: ... DIMENSIONAL PHYSICAL DATA FEATURES 1 Optional Discharge Knockouts 5 Diameter 3 Available 2 Fresh Air Inlet Knockouts 1 x 2 Inches 2 Available 3 Condensate Discharge Inch Diameter 4 Chilled Water IN 7 8 5 Chilled Water OUT 7 8 6 Condensate Pump Access Panel 7 Hot Water IN 8 Hot Water OUT ...

Страница 8: ...36 5 4 6 2 3 1 5 7 7 4 5 8 FEATURES 1 Optional Discharge Knockouts 5 Diameter 3 Available 2 Fresh Air Inlet Knockouts 1 x 2 Inches 2 Available 3 Condensate Discharge Inch Diameter 4 Chilled Water IN 7 8 5 Chilled Water OUT 7 8 6 Condensate Pump Access Panel 7 Hot Water IN 8 Hot Water OUT ...

Страница 9: ... dirt and damage return them to box until ready to install 7 Do not throw away two polystyrene blanking off pieces with packaging See Figure 6 Blanking Off Fascia discharge slot s need blanking off when ducts are used to channel conditioned air to other areas Position two polystyrene blanking off strips provided in fascia discharge slots to direct air to ducts Up to two non adjacent sides may be b...

Страница 10: ...Locate wired wall mounted thermostat to ensure good temperature control Select installation position 1 Position thermostat approximately 5 ft 1 5m above floor level 2 Avoid external walls and drafts from windows and doors 3 Avoid positioning near shelves and curtains as these restrict air movement 4 Avoid heat sources direct sunlight heaters dimmer switches etc 5 Seal wiring holes in wall behind t...

Страница 11: ...read rod at centers See Table 2 3 Prepare installation guides by folding metal bracket by hand along perforations See Figure 9 4 Lift cassette onto hanging rods 5 Level at correct distance from ceiling with aid of installation guides See Figure 10 6 Secure unit in position with locknuts and washers on either side of cassette bracket 7 Insure threaded rod does not protrude more than 2 51mm below mo...

Страница 12: ...irborne debris 4 Slope condensate pipe work downward from highest point in direction of water flow with minimum gradient of 1 per 10 8mm 1m No uphill gradients except in first 18 0 45m of pipe work from cassette See Figure 12 5 When multiple cassettes are connected to common condensate drain ensure drain is large enough to handle total volume of condensate 6 Drain line vent may be required to prev...

Страница 13: ...ranch duct knock outs are 5 133mm round Fresh air knockouts are a 1 x 2 32 x 64mm rectangular models 08 12 b 3 76mm square models 18 36 2 Cut black insulation around knock out See Figure 15 3 Snip tabs holding knock out in place 4 Remove metal knock out and black insulation 5 Attach field supplied duct collars to chassis using self drilling screws 6 Repeat above steps for remaining duct work Figur...

Страница 14: ...nection on chassis Figure 19 Page 15 a Ensure polarized connector 2 position is in proper orientation and connected b Route wires to prevent them from becoming trapped cut broken or chaffed See Figure 18 5 Cassette models CAW Infrared handheld remote contain second cable connection to control box for infrared unit mount control See Figure 20 Page 15 6 Ensure polarized 10 position connector is in p...

Страница 15: ...22 REV E 02 11 2015 FINAL ASSEMBLY Figure 19 Connect Vane Motor Plug Into Socket On Chassis Figure 20 Connect Infrared Control Cable Figure 21 Secure Fascia To Chassis Figure 22 Adjust Louver Position 30 From Plumb ...

Страница 16: ...ing 5 Connect electrical supply after completing water pipe work 6 Low voltage wiring must be at least 18 AWG Connect Wiring 1 Loosen four screws on front of control box cover Slide cover up and off to access high voltage wiring See Figure 23 2 Rating plate is located on outside of control box cover 3 Protect unit by time delay fuse or breaker Check rating plate for circuit ampacity and breaker or...

Страница 17: ...ver with wiring diagram facing in after making all connections Secure with four screws Units rated 208 230Vac primary side of transformer are factory wired for 230Vac Change transformer tap from orange to red for 208V power supply Refer to wiring diagram located on inside control box cover See Figure 27 Figure 26 Low Voltage Interconnections IR Handheld Remote Controls with Optonal Wall Thermostat...

Страница 18: ...18 PN 20009722 REV E 02 11 2015 ELECTRICAL WIRING Figure 29 08 20 Transformer Figure 30 CAW 08 20 Transformer Mounting Figure 31 33 36 Transformer Figure 32 CAW 33 36 Transformer Mounting ...

Страница 19: ...er verify thermostat is set to energize the fan with call for heating 1 Fan Operation Some thermostats are equipped with AUTO ON fan switch Placing switch ON will run the fan continuous Placing switch in AUTO position will cycle the fan with call for heating or cooling through the R and G low volt terminal connections After thermostat is satisfied and call for heat or cooling is removed or the fan...

Страница 20: ...panel and fill drain pan See Figure 34 3 Adding water activates float switch and pump Water must flow regularly when condensate pump is energized If water does not check pipe slope or see if there are any pipe restrictions 4 Verify all covers panels and filters are in place and discharge louvers are correctly positioned Figure 33 CAW Louver Toggle Switch Sizes 18 20 30 36 Figure 34 Check Condensat...

Страница 21: ...nal only if switch 4 is set to YES enabling wall mounted remote thermostat operation 4 Set switches as desired for application Set Controller Configuration 1 See Figure 37 Page 26 and Pages 24 34 for operation of controller and infrared control system handheld remote 2 See Figure 37 Page 26 for information on setting control using IR handheld remote IR hand held remote is a line of sight device an...

Страница 22: ...rature Observe three 3 minute minimum time off 8 Verify heating is operational Verify supply air is warmer than room air 9 Use IR hand held remote to enable auto changeover between heat cool Verify Condensate Pump Operation 1 Remove adjacent ceiling tile to access condensate pump cover panel 2 Insert squeeze water bottle nozzle through opening in condensate pump access panel and fill drain pan See...

Страница 23: ...AW INFRARED CONTROL SYSTEM OVERVIEW Figure 35 Cassette Control Panel WARNING Electrical shock hazard Verify all power is off before removing control box cover Failure to follow these instructions could result in death or serious injury ...

Страница 24: ...DIP Switch 4 is YES enables louver oscillation during operation OFF Off If DIP Switch 4 is YES disables louver oscillation during operation 3 Fan speed setting for wall mounted thermostat mode only HIGH While DIP Switch 4 is YES selects fan speed HIGH HIGH LOW While DIP Switch 4 is YES selects fan speed LOW 4 Select infrared handheld controller or wall mounted thermostat control YES Disables infra...

Страница 25: ... is applied to unit Infrared Controller mode on while cassette unit is in ON mode off while unit is in OFF mode Cooling LED On when unit is in cooling operation Heating LED On during calls for heat Timer Alarm LED On steady while unit is in sleep timer mode flashes to indicate fault codes Clear Filter Warning Button Hold for 3 seconds to clear clean filter warning indicated when timer alarm LED it...

Страница 26: ...26 PN 20009722 REV E 02 11 2015 CAW INFRARED CONTROL SYSTEM OVERVIEW Figure 37 CAW Infrared Hand Held Control ...

Страница 27: ...27 PN 20009722 REV E 02 11 2015 CAW INFRARED CONTROL SYSTEM SETTINGS Figure 38 Configuration Settings CAW ...

Страница 28: ...Table 4 Page 30 to record settings Day of week Mon Tue Wed Thu Fri Sat Sun Louver is closed when fan is off Period of day Morning Day Evening Night Periods provide four time settings to initiate change in cooling heating setpoints Allow adjustments for setback such as night setback daytime setback and occupied settings for residential applications Set hour minute for each time as well as cooling a...

Страница 29: ...29 PN 20009722 REV E 02 11 2015 CAW INFRARED CONTROL SYSTEM SETTINGS Table 4 CAW Microprocessor Controller Dip Switch Settings ...

Страница 30: ...room lighting Hibernate Mode When IR hand held remote enters hibernate mode display goes dark if no activity on IR hand held remote for ten minutes Pressing any button awakens IR hand held remote while in hibernate mode IR hand held remote returns to mode it was in prior to entering hibernate mode Power Pressing POWER button momentarily switches unit either on or off 1 OFF mode LCD displays time o...

Страница 31: ...ee Fan Operation see Page 30 Dry Mode Dry mode removes humidity from air while maintaining specific setpoint temperature This is done by cycling cooling mode Dry mode will NOT maintain specific humidity level Fan remains on continuously at low speed while in Dry mode Dry mode operation turn unit on via POWER button 1 Select Dry mode via MODE button 2 Room temperature and setpoint temperature are d...

Страница 32: ...d for a Day of week b Period of day c Hour d Minute e Cooling setpoint temperature f Heating setpoint temperature g Auto setpoint temperature Quick Copy CAW INFRARED CONTROL SYSTEM OPERATION Quick Copy Quick copy is feature of 7 Day Programming mode used to copy settings of any day to rest of week While in 7 Day Programming select day to be copied Press FAN PROGRAM buttons simultaneously for three...

Страница 33: ...arm LED During normal operation microprocessor keeps track of unit s run time When clean filter time has elapsed Timer Alarm LED flashes four times to indicate filter needs to be cleaned Clean filter time is selected through configuration menu Available settings are 250 500 750 1000 and 1250 hours Default in Bold If coil freeze condition is detected four times within 24 hour period Clean Filter Al...

Страница 34: ...r appears 4 Clean Filter To aid in filter maintenance cassette controller indicates when schedule filter cleaning is required by flashing Timer Alarm LED During normal operation microprocessor will keep track of unit s run time When clean filter time has elapsed Timer Alarm LED flashes four 4 times to indicate filter needs to be cleaned Clean filter time is can be selected through Configuration mo...

Страница 35: ... to clear retaining clips See Figure 41 c Lift filter off grille Place filter on flat surface and vacuum any dust and debris Vacuum all filters and grills Vacuum any accessible unit parts See Figure 42 d Or use garden hose Wash grille and filter with hose Let filters and grilles dry before replacing WARNING DO NOT operate unit without filter and front grille in place e Replace filters clips and fr...

Страница 36: ...ling 24Vac is measured across terminals Y and C of water valve Y1 and C of cassette While wall thermostat is calling for cooling or heating and anti short cycle timer delay has elapsed 24Vac can be measured between terminals Y and C of water valve for cooling Y1 and C cassette for cooling G and C cassette fan signal W and C for heating Electric Heat Optional Units with electric heat utilize contro...

Страница 37: ...age interconnecting wires Terminal W is required for units with electric or hot water heat only Cassette controller will switch chilled water valve on and off through yellow Y low voltage terminal and hot water through white W and C When unit is calling for cooling 24Vac can be measured across terminals Y and C of unit When unit is calling for hot water heating 24Vac can be measured across termina...

Страница 38: ...1 0 35 1 10 0 4 198 0 4 15 CAW 08 12 220 240 50 1 0 35 1 10 1 56 6 8 7 2 198 0 5 15 CAW 18 20 220 240 50 1 0 55 1 8 0 6 198 0 7 15 CAW 18 20 220 240 50 1 0 55 1 8 3 2 13 06 14 2 198 17 7 20 CAW 33 36 220 240 50 1 0 5 0 5 1 10 1 10 1 0 198 1 2 15 CAW 33 36 220 240 50 1 0 5 0 5 1 10 1 10 5 4 22 7 23 7 198 29 6 30 Model Shipping Weight lbs kg CAW 08 12 70 31 8 kg CAW 18 20 108 49 1 kg CAW 33 36 146 6...

Страница 39: ...00 19 400 5 4 3 2 19 400 16 300 3 9 1 6 33 72 26 700 22 900 5 3 2 7 19 200 18 800 3 8 1 3 950 75 33 300 25 800 6 6 4 4 23 900 21 700 4 8 2 2 80 50 300 32 400 10 0 9 4 36 800 26 700 7 3 5 2 36 72 30 500 26 300 6 1 3 7 21 900 21 500 4 4 1 8 1100 75 39 700 30 400 7 9 6 1 27 300 24 900 5 5 2 9 80 58 400 37 600 11 6 12 5 42 500 31 200 8 7 7 2 50 Hz No Derate 115v Transformer no Derate 2 PIPE CASSETTE M...

Страница 40: ...2201 Dwyer Avenue Utica NY 13501 1 800 228 9364 fax 1 800 232 9364 website www enviromaster com ...

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