Ducted Split System Technical Data Air Conditioner ISD ...

1 Ducted Split System Technical Data Air Conditioner ISD 87 KYX / OSA 87 RKSH. SEPARABLE. INDOOR UNIT. Optional SAT-3 or TZT-100. Room Temperature Controller High Efficiency EC Motor Extra Long Life Epoxy Coated Outdoor Coil Nominal Cooling Capacity kW. FEBRUARY 2017. ISD 87 KYX / OSA 87 RKSH Ducted Split System AIR Conditioner . GENERAL Separable. The indoor units are separable OPTIONAL EQUIPMENT. The ISD indoor unit, together with its for ease of installation through small Outdoor Unit: associated OSA outdoor unit, provides man holes minimum 550 mm sq. clear 1. Anti-vibration mounts (rubber). a reverse cycle (heat pump) Split System aperture. It may be desireable in some 2. Drain connection - right angle. air Conditioner designed and developed applications to keep the two separate 3. Fault relay board (201-000-105). to comply with AS/NZS 3823 specified parts of the unit apart and joined by Indoor Unit: conditions.

2 The System has been tested ducting, eg over a ceiling joist. A pair of 1. temperzone SAT-3 or TZT-100 Room and proven for cooling operation in outdoor the optional Spigot Plate Adaptors are Temperature Controller. temperatures up to 52 C. available to facilitate this option. 2. Spring mounting kit. Quiet. Each integral high efficiency 3. Supply & return air spigots. APPLICATIONS EC motor can vary from zero to full 4. Spigot Plate Adaptors These units have been specifically speed. This allows slow ramp up with no Double Inlet 350 dia. x2. developed for air conditioning of light sudden noise change. The motor can be (for use when separating indoor unit). commercial and residential premises, controlled to have the best air flow for the 5. Filter Box c/w EU2/G2 rated filter. offices, motels, shops and homes. ducting and requirements as well as used for de-humidifying the space. SAFETY FEATURES.

3 Air Flow Selection The outdoor units' coil design permits low fan speeds and hence low noise levels. 1. HP and loss of refrigerant protection. If the air returning to the indoor coil is The compressor is isolated in a built-in, 2. Anti-rapid cycle timer and internal regularly expected to be above 50%RH, insulated compartment to minimise noise. overload for compressor protection. then the coil face velocity should be limited The indoor unit is also insulated for noise 3. Circuit breaker control circuits. to be m/s or less (for reference m/s attenuation. 4. Time-and-temperature controlled is marked on the graph below). electronic de-ice switch prevents icing High humidity levels can occur in tropical or Slimline. The compact up-right design of up of the outdoor coil during heating subtropical conditions, and/or when heavily the outdoor unit requires only a 100 mm cycle. moisture laden fresh air is introduced.

4 Gap on the coil side where installation 5. Frost protection on cooling cycle. Consideration must always be given to is against a wall. Its slimline cabinet 6. Sensor fault indication. selecting an air flow and face velocity that is particularly practical where there 7. Compressor minimum run time to avoids water carry-over problems. is restricted space, side access ensure oil return. pathways, balconies, narrow ledges, etc. Applications using full or high proportions of fresh air should be referred to your nearest Durable. The outdoor coil fins are epoxy coated for extra protection in corrosive COMPRESSOR. temperzone sales office to establish the correct selection of units. environments, salt laden sea air. Each high efficiency scroll type compressor The outdoor unit's cabinet is constructed is hermetically sealed, quiet running and from high grade galvanised steel - supported on rubber mounts to minimise FEATURES polyester powder coated (grey) for all vibration.

5 Refrigerant R410A. Each complete System weather protection (IP 44). External uses refrigerant R410A which is deemed fasteners are stainless steel. Heat to have zero ozone depletion potential. REFRIGERATION PIPING. exchange coils comprise aluminium plate User Friendly. The air conditioning fins on mechanically expanded rifled Maximum line length is 40 m. System is available with an optional copper tube. The indoor unit's cabinet is Max. height separations between units are: SAT-3 Controller. This thermostat has constructed from high grade galvanised Outdoor unit above indoor unit : 20 m been designed to maintain a high level of steel and includes a plastic drain tray Outdoor unit below indoor unit : 20 m. comfort for room occupants. Emphasis for complete corrosion resistance and a has been placed on providing controls galvanised steel safety drain tray. Outdoor The OSA 87 is shipped from the factory with that are easy to use despite the coils are protected with louvred anti-hail a charge of HFC-410A (R410A) refrigerant sophisticated microprocessor System that guards.

6 Sufficient for a 10 m line length. Liquid runs it. Use of the Auto and Timer function and suction service valves are provided. Service Access. The indoor unit's built-in settings allows you to "set it and forget it". Accurator expansion devices control the drain tray can be removed for ease of flow of refrigerant. The matched indoor unit Efficient. Indoor units include a high cleaning and service accessibility. is shipped with a holding charge of nitrogen. efficiency electronically commutated Insulation. Closed cell foam insulation has Both units have brazed pipe connections. (EC) motor. Part load operation at low been used in the indoor unit's cabinet to loads (75% airflow equates to 55% power ensure no particles are introduced into use) using temperzone algorithms. Each WIRING. the air stream. The insulation is foil faced outdoor unit incorporates a high efficiency The electrical supply required (including and meets fire test standards AS rotary compressor.)

7 Heat exchange coils voltage fluctuation limits) is: 1 phase (1989) and BS 476 parts 6 & 7. use inner grooved (rifled) tube for better 200 252 V 50 Hz with neutral and earth. heat transfer. Control Option. Commissioning is made The compressor crankcase heater requires easier when the EC motor to be controlled Performance. A dynamically balanced a 24 hour power supply. A control panel, with variably (within a restricted range) by a forward curved fan with a multi-speed 24V control circiuit, located in each outdoor 0 10 volt DC signal that can be supplied EC motor enables fine tuning of the indoor unit, is fully wired ready to accept the main either by a BMS System , a sophisticated unit to match the supply air requirements. power supply. Each System conforms with controller or temperzone's optional These EC motor fans have a fully emission standards EN 55014-1, EN 60335- TZT-100 Controller.

8 Integrated speed control that enables soft 1 and EN 60335-2-40. starting. Fan speed can be stepped to Self Diagnostics. The Unit Controller (UC8) has a display of LEDs to indicate your own requirements or continuously variable using a 0 10V DC control signal. faults and running conditions. A non-spe- The manufacturer operates a quality cific fault indicator is included for interface management System that conforms to The System includes a temperature to external systems. AS/NZS ISO 9001:2008. sensing head pressure control which enables the System to compensate for outdoor ambient temperatures below 20 C on cooling cycle, and above 15 C. on heating cycle. SAT-3 CONTROLLER (Optional). Features Summary Cool / Dry / Fan modes. Heat / Auto modes Auto / High / Medium / Low fan speed selection (customisable). Connects to either indoor unit or outdoor unit, ie IUC or UC8. Temperature setting range from 15 C 30 C (customisable).

9 Room temperature display. Real time clock. 7 day timer up to four start and/or stops per day On demand countdown run timer, up to 3 hours. Auto-Restart after power failure. Continuous or Intermittent selection of fan run-on in dead zone. Backlit screen for ease of reading; changes colour for each mode. Soft touch tab keys Sleep function improves night time comfort and saves energy. Eco mode for ecomical operation. Quiet mode for outdoor unit when cooling. Battery backup (Lithium). Low voltage control cable. Colour: white and light grey (Keypad - green and blue). Optional: Remote air temperature sensor/s, Extra Wall Control plaque. Note: Not backwards compatible with units using SAT-2. PERFORMANCE DATA. COOLING CAPACITY (kW). Total = Total Capacity (kW) Sens. = Sensible Capacity (kW). = Entering Air Temperature = Nominal Capacity (kW). Note: Capacities are gross and do not include allowance for fan motor heat loss.

10 Capacities are for close coupled systems. Interconnecting pipework will reduce capacity. MODELS INDOOR INDOOR COIL. OUTDOOR COIL ENTERING AIR TEMPERATURE C FAN Indoor Outdoor AIR 23 27 31 35 39 43. SPEED l/s C C Total Sens. Total Sens. Total Sens. Total Sens. Total Sens. Total Sens. Unit Unit 21 15 23 17 ISD 87 KYX / OSA 87RK HIGH 480. 27 19 31 21 Indoor Air Flow Correction Factors @ nominal conditions Indoor Air Flow (%). -20% -10% Rated +10%. Total Capacity Sensible Capacity HEATING CAPACITY (kW). G = Gross Heating Capacity kW, based on nominal air flow of 1300 l/s. N = Net Heating Capacity kW allowing for average defrost. = Nominal Capacity (kW). MODELS INDOOR OUTDOOR COIL ENTERING AIR TEMPERATURE ( ) C Indoor Outdoor ENTERING. 5 3 1 1 3 5 7 9. Unit Unit AIR TEMP. C G N G N G N G N G N G N G N G N. 15 ISD 87 KYX / OSA 87RK 20 25 PERFORMANCE DATA. AIR HANDLING. Note: Airflows are for a dry coil.