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.

2 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. 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.

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. Air Flow Selection The outdoor units' coil design permits low fan speeds and hence low noise levels.

4 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.

5 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. 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.

6 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. Refrigerant R410A. Each complete System weather protection (IP 44).

7 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.

8 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. 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.

9 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.)

10 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.