Mitsubishi Electronics PCH30GK OC277-50, Variety of System Control Functions, PAC-SA89TA-E

Page 50

11

SYSTEM CONTROL

 

1. VARIETY OF SYSTEM CONTROL FUNCTIONS

1 Group control with

 

 

 

Many units, installed at different locations, can be started

 

 

 

and controlled with a single remote controller. The remote

a single remote

 

 

 

 

 

 

controller can be mounted in a different location using a

controller

 

 

 

 

 

 

non-polar two-wire cable, which can be extended up to

(See page OC277-

 

 

 

Unit

Unit

Unit

500m. A maximum of 50 units can be controlled with a

51.)

 

 

Remote

 

 

single remote controller. All units operate in the same

 

 

 

 

 

 

controller

 

 

mode.

2 Control using two

 

 

 

Two remote controllers can be used to control either one

 

 

 

unit or a group of units. Units can then be controlled from

remote controllers

 

 

 

 

 

 

a distance or at close range. Units operate according to

(See page OC277-

 

 

 

 

 

 

the latest command from either remote controller.

52.)

 

Unit

Unit

Unit

 

 

 

 

Remote

 

 

 

 

 

controller

 

 

 

3 Both remote

Optional

 

 

All units can be turned on or off simultaneously using a

adapter

 

 

remote ON-OFF switch. Also, each unit can be controlled

ON/OFF and indi-

 

Relay box

 

 

individually by each remote controller. Dunning remote

vidual controls

 

 

 

(See page OC277-

 

 

 

ON-OFF control, a message of “CENTRALLY CON-

52.)

 

 

 

Unit

TROLLED” is displayed on the LCD of the remote con-

w Timer adapter

 

 

troller.

 

 

 

(PAC-SA89TA-E)

Remote

Remote

 

This is available for both one unit control and several units

is needed.

ON/OFF

controller

control.

 

 

switch

 

 

 

4 Individual control

 

 

 

By grouping the remote controllers in one place, several

 

 

 

units installed at different locations can be controlled indi-

by grouping

 

 

 

 

 

 

vidually, and operation conditions of all units are visible

remote controllers

 

 

 

 

 

 

without a special control board. The control method is the

(See page OC277-

Unit

Unit

Unit

53.)

 

 

 

same as that of the single unit with a single remote con-

 

 

 

troller.

 

Remote

 

 

 

 

 

 

 

controller

 

 

 

5 Multiple remote

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Several units can be controlled with a remote control dis-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

play board. Operation conditions of all the units are visi-

control display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ble with the remote control display board.

(See page OC277-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Individual control by each remote controller is also possi-

 

 

 

 

 

Unit

 

 

Unit

 

 

Unit

w Multiple display

 

 

 

 

 

 

 

 

 

ble.

adapter

Remote control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote

 

 

 

 

(PAC-SA88HA-E)

 

 

 

 

 

 

is needed.

display board

 

 

controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6 Auto restart func-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A unit can be started or stopped with the circuit breaker

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on or off.

tion

Circuit breaker

 

 

 

 

 

 

 

 

 

 

 

 

Remote controller is also available.

(See page OC277-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

With this function, when the power is restored after power

54.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote

failure, the unit will restart automatically. (However, when

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the remote controller POWER ON/OFF button is OFF, the

 

 

 

 

 

 

 

 

 

 

 

 

 

controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit will not start.)

OC277-50

Image 50
Contents Contents OC277-1Features OC277-2Improving Efficiency of Piping Work Easy Maintenance no Maintenance Necessary for 2500 HoursOC277-3 Part Names and Functions OC277-4Remote controller operation buttons OC277-5Remote controller display OC277-6Models PCH24GK, PCH30GK, PCH36GK, PCH42GK SpecificationsOC277-7 Models PCH24GK, PCH30GK, PCH36GK, PCH42GK Performance Data DataOC277-8 CFM SHC TPCOC277-9 CFMOC277-10 Performance CurveOC277-11 PCH36GK Cooling Capacity PCH36GK Heating CapacityOC277-12 Condensing Pressure and Suction PressureOC277-13 PCH30GKOC277-14 PCH36GKOC277-15 PCH42GKSHF PCH24GK PCH30GK PCH36GK PCH42GK OC277-16Standard Operation Data Outlet AIR Speed and Coverage Range OC277-17Operating Range Additional Refrigerant Charge R22ozPCH30GK OC277-18Noise Criterion Curves PCH24GK PCH36GK PCH42GKIndoor unit PCH24GK Outlines and DimensionsOC277-19 OC277-20 Indoor unit PCH30/36/42GKOC277-21 Refrigerant System DiagramRemote controller PCH30GK PCH36GK PCH42GKOC277-22 Wiring DiagramModel PCH24/30/36/42GK Wiring Diagram Main Operation Operation FLOW-CHARTOC277-23 OC277-24 Cooling OperationDRY OC277-25DRY Operation YESOC277-26 Heating OperationOutline of Microprocessor Control Microprocessor ControlOC277-27 Indoor Unit Control How to operateOC277-28 Compressor controlCoil frost protection OC277-29Start condition Termination conditionsSwing OC277-30Auto vane control Auto ReturnRange a Range B Range C OC277-31Detecting abnormalities in the outdoor unit DRY operation DRY operation time chart How to operateOC277-32 OC277-33 Heat operation Heat operation time chartOC277-34 Display in Heat operationBooster heater control OC277-35Overheat protection Overheat preventionDefrosting operation Indoor coil temperature abnormality detectionOC277-36 Temperature range Initial mode How to operateMode change OC277-37Auto return OC277-38COOL/DRY operation OC277-39 Timer operationTimer function Test run Before test runBefore emergency operation OC277-40Emergency operation OC277-41 Dip switch functionsOn remote controller board On indoor controller boardPCH24GK PCH30GK PCH36GK PCH42GK SW7 OFF Fan motor max. rotational frequency Service RefOC277-42 PCH36, 42GKOC277-43 Trouble ShootingRemote Controller Display Abnormality OC277-44 When malfunction occurs during operationFor group control using one remote controller Example Check Unit code addressOC277-45 Cool Wrong Wiring on SiteOC277-46 HeatOC277-47 Other Troubles and CausesPCH How to check the partsOC277-48 OC277-49 Variety of System Control Functions System ControlOC277-50 PAC-SA89TA-EHow to set unit-address Group Control with a Single Remote ControllerHow to wire OC277-51How to set SW17-7 See Figure Control Using TWO Remote ControllersRemote ON-OFF and Individual Remote Controls Remote controller LCD indicationSwitch function of remote ON-OFF switch Individual Control by Grouping the Remote ControllersBasic wiring OC277-53OC277-54 Multiple Remote Control DisplayTimer Operation or the Operation by AN External Signal Auto Restart FunctionOC277-55 Disassembly ProcedurePCH24GK Operating Procedure Removing the air intake grilleRemoving the sirocco fan OC277-56Removing the fan motor Removing the side panelRemoving the vane motor Operating Procedure PhotosOC277-57 Removing the Indoor coil thermistorRemoving the guide vane OC277-58Removing the drain pan Remove the intake grilleRemoving the heat exchanger OC277-59Removing the support heater Structural Part PCH24GK Parts ListOC277-60 OC277-61 OC277-62 Structural Part PCH30GK PCH36GK PCH42GKOC277-63 OC277-64 FAN and Heater Parts PCH24GKOC277-65 FAN and Heater Parts PCH30GK PCH36GK PCH42GKOC277-66 Electrical Parts PCH24GK10 PCH30GK PCH36GK PCH42GKOC277-67 TimerOptional Parts Names and functions PAC-SC32PTA Weekly Timer Setting DisplayOC277-68 SET Back DisplayOC277-69 Timer AdapterMultiple Remote Controller Adapter Refrigerant PipesSpecifications are subject to change without notice